From 237ea87c4fcb4865863fc15e07e179323caa7881 Mon Sep 17 00:00:00 2001 From: Håvard Espeland Date: Sat, 5 Feb 2011 19:26:39 +0100 Subject: Fork of LUFA CDC Bootloader Initial commit --- LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c | 142 +++++ LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h | 287 +++++++++ LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c | 382 ++++++++++++ LUFA/Drivers/USB/HighLevel/DeviceStandardReq.h | 165 +++++ LUFA/Drivers/USB/HighLevel/EndpointStream.c | 233 +++++++ LUFA/Drivers/USB/HighLevel/EndpointStream.h | 524 ++++++++++++++++ LUFA/Drivers/USB/HighLevel/Events.c | 39 ++ LUFA/Drivers/USB/HighLevel/Events.h | 375 +++++++++++ LUFA/Drivers/USB/HighLevel/HostStandardReq.c | 180 ++++++ LUFA/Drivers/USB/HighLevel/HostStandardReq.h | 118 ++++ LUFA/Drivers/USB/HighLevel/PipeStream.c | 196 ++++++ LUFA/Drivers/USB/HighLevel/PipeStream.h | 298 +++++++++ LUFA/Drivers/USB/HighLevel/StdDescriptors.h | 692 +++++++++++++++++++++ LUFA/Drivers/USB/HighLevel/StdRequestType.h | 247 ++++++++ LUFA/Drivers/USB/HighLevel/StreamCallbacks.h | 87 +++ .../Template/Template_Endpoint_Control_R.c | 48 ++ .../Template/Template_Endpoint_Control_W.c | 56 ++ .../USB/HighLevel/Template/Template_Endpoint_RW.c | 79 +++ .../USB/HighLevel/Template/Template_Pipe_RW.c | 83 +++ LUFA/Drivers/USB/HighLevel/USBMode.h | 138 ++++ LUFA/Drivers/USB/HighLevel/USBTask.c | 89 +++ LUFA/Drivers/USB/HighLevel/USBTask.h | 206 ++++++ 22 files changed, 4664 insertions(+) create mode 100644 LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c create mode 100644 LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h create mode 100644 LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c create mode 100644 LUFA/Drivers/USB/HighLevel/DeviceStandardReq.h create mode 100644 LUFA/Drivers/USB/HighLevel/EndpointStream.c create mode 100644 LUFA/Drivers/USB/HighLevel/EndpointStream.h create mode 100644 LUFA/Drivers/USB/HighLevel/Events.c create mode 100644 LUFA/Drivers/USB/HighLevel/Events.h create mode 100644 LUFA/Drivers/USB/HighLevel/HostStandardReq.c create mode 100644 LUFA/Drivers/USB/HighLevel/HostStandardReq.h create mode 100644 LUFA/Drivers/USB/HighLevel/PipeStream.c create mode 100644 LUFA/Drivers/USB/HighLevel/PipeStream.h create mode 100644 LUFA/Drivers/USB/HighLevel/StdDescriptors.h create mode 100644 LUFA/Drivers/USB/HighLevel/StdRequestType.h create mode 100644 LUFA/Drivers/USB/HighLevel/StreamCallbacks.h create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c create mode 100644 LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c create mode 100644 LUFA/Drivers/USB/HighLevel/USBMode.h create mode 100644 LUFA/Drivers/USB/HighLevel/USBTask.c create mode 100644 LUFA/Drivers/USB/HighLevel/USBTask.h (limited to 'LUFA/Drivers/USB/HighLevel') diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c new file mode 100644 index 0000000..977d9e1 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c @@ -0,0 +1,142 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "ConfigDescriptor.h" + +#if defined(USB_CAN_BE_HOST) +uint8_t USB_Host_GetDeviceConfigDescriptor(uint8_t ConfigNumber, uint16_t* const ConfigSizePtr, + void* BufferPtr, uint16_t BufferSize) +{ + uint8_t ErrorCode; + uint8_t ConfigHeader[sizeof(USB_Descriptor_Configuration_Header_t)]; + + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetDescriptor, + .wValue = ((DTYPE_Configuration << 8) | (ConfigNumber - 1)), + .wIndex = 0, + .wLength = sizeof(USB_Descriptor_Configuration_Header_t), + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + if ((ErrorCode = USB_Host_SendControlRequest(ConfigHeader)) != HOST_SENDCONTROL_Successful) + return ErrorCode; + + *ConfigSizePtr = DESCRIPTOR_PCAST(ConfigHeader, USB_Descriptor_Configuration_Header_t)->TotalConfigurationSize; + + if (*ConfigSizePtr > BufferSize) + return HOST_GETCONFIG_BuffOverflow; + + USB_ControlRequest.wLength = *ConfigSizePtr; + + if ((ErrorCode = USB_Host_SendControlRequest(BufferPtr)) != HOST_SENDCONTROL_Successful) + return ErrorCode; + + if (DESCRIPTOR_TYPE(BufferPtr) != DTYPE_Configuration) + return HOST_GETCONFIG_InvalidData; + + return HOST_GETCONFIG_Successful; +} +#endif + +void USB_GetNextDescriptorOfType(uint16_t* const BytesRem, + void** const CurrConfigLoc, + const uint8_t Type) +{ + while (*BytesRem) + { + USB_GetNextDescriptor(BytesRem, CurrConfigLoc); + + if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type) + return; + } +} + +void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem, + void** const CurrConfigLoc, + const uint8_t Type, + const uint8_t BeforeType) +{ + while (*BytesRem) + { + USB_GetNextDescriptor(BytesRem, CurrConfigLoc); + + if (DESCRIPTOR_TYPE(*CurrConfigLoc) == Type) + { + return; + } + else if (DESCRIPTOR_TYPE(*CurrConfigLoc) == BeforeType) + { + *BytesRem = 0; + return; + } + } +} + +void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem, + void** const CurrConfigLoc, + const uint8_t Type, + const uint8_t AfterType) +{ + USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, AfterType); + + if (*BytesRem) + USB_GetNextDescriptorOfType(BytesRem, CurrConfigLoc, Type); +} + +uint8_t USB_GetNextDescriptorComp(uint16_t* const BytesRem, void** const CurrConfigLoc, ConfigComparatorPtr_t const ComparatorRoutine) +{ + uint8_t ErrorCode; + + while (*BytesRem) + { + uint8_t* PrevDescLoc = *CurrConfigLoc; + uint16_t PrevBytesRem = *BytesRem; + + USB_GetNextDescriptor(BytesRem, CurrConfigLoc); + + if ((ErrorCode = ComparatorRoutine(*CurrConfigLoc)) != DESCRIPTOR_SEARCH_NotFound) + { + if (ErrorCode == DESCRIPTOR_SEARCH_Fail) + { + *CurrConfigLoc = PrevDescLoc; + *BytesRem = PrevBytesRem; + } + + return ErrorCode; + } + } + + return DESCRIPTOR_SEARCH_COMP_EndOfDescriptor; +} + diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h new file mode 100644 index 0000000..dc33391 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h @@ -0,0 +1,287 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Configuration descriptor parser API. + * + * This section of the library gives a friendly API which can be used in host applications to easily + * parse an attached device's configuration descriptor so that endpoint, interface and other descriptor + * data can be extracted and used as needed. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_Descriptors + * @defgroup Group_ConfigDescriptorParser Configuration Descriptor Parser + * + * Functions, macros, variables, enums and types related to the parsing of Configuration Descriptors. + * + * @{ + */ + +#ifndef __CONFIGDESCRIPTOR_H__ +#define __CONFIGDESCRIPTOR_H__ + + /* Includes: */ + #include + + #include "../../../Common/Common.h" + #include "HostStandardReq.h" + #include "USBMode.h" + #include "StdDescriptors.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Mask for determining the type of an endpoint from an endpoint descriptor. This should then be compared + * with the EP_TYPE_* masks to determine the exact type of the endpoint. + */ + #define EP_TYPE_MASK 0x03 + + /** Casts a pointer to a descriptor inside the configuration descriptor into a pointer to the given + * descriptor type. + * + * Usage Example: + * \code + * uint8_t* CurrDescriptor = &ConfigDescriptor[0]; // Pointing to the configuration header + * USB_Descriptor_Configuration_Header_t* ConfigHeaderPtr = DESCRIPTOR_PCAST(CurrDescriptor, + * USB_Descriptor_Configuration_Header_t); + * + * // Can now access elements of the configuration header struct using the -> indirection operator + * \endcode + */ + #define DESCRIPTOR_PCAST(DescriptorPtr, Type) ((Type*)(DescriptorPtr)) + + /** Casts a pointer to a descriptor inside the configuration descriptor into the given descriptor + * type (as an actual struct instance rather than a pointer to a struct). + * + * Usage Example: + * \code + * uint8_t* CurrDescriptor = &ConfigDescriptor[0]; // Pointing to the configuration header + * USB_Descriptor_Configuration_Header_t ConfigHeader = DESCRIPTOR_CAST(CurrDescriptor, + * USB_Descriptor_Configuration_Header_t); + * + * // Can now access elements of the configuration header struct using the . operator + * \endcode + */ + #define DESCRIPTOR_CAST(DescriptorPtr, Type) (*DESCRIPTOR_PCAST(DescriptorPtr, Type)) + + /** Returns the descriptor's type, expressed as the 8-bit type value in the header of the descriptor. + * This value's meaning depends on the descriptor's placement in the descriptor, but standard type + * values can be accessed in the \ref USB_DescriptorTypes_t enum. + */ + #define DESCRIPTOR_TYPE(DescriptorPtr) DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Type + + /** Returns the descriptor's size, expressed as the 8-bit value indicating the number of bytes. */ + #define DESCRIPTOR_SIZE(DescriptorPtr) DESCRIPTOR_PCAST(DescriptorPtr, USB_Descriptor_Header_t)->Size + + /* Type Defines: */ + /** Type define for a Configuration Descriptor comparator function (function taking a pointer to an array + * of type void, returning a uint8_t value). + * + * \see \ref USB_GetNextDescriptorComp function for more details. + */ + typedef uint8_t (* ConfigComparatorPtr_t)(void*); + + /* Enums: */ + /** Enum for the possible return codes of the \ref USB_Host_GetDeviceConfigDescriptor() function. */ + enum USB_Host_GetConfigDescriptor_ErrorCodes_t + { + HOST_GETCONFIG_Successful = 0, /**< No error occurred while retrieving the configuration descriptor. */ + HOST_GETCONFIG_DeviceDisconnect = 1, /**< The attached device was disconnected while retrieving the configuration + * descriptor. + */ + HOST_GETCONFIG_PipeError = 2, /**< An error occurred in the pipe while sending the request. */ + HOST_GETCONFIG_SetupStalled = 3, /**< The attached device stalled the request to retrieve the configuration + * descriptor. + */ + HOST_GETCONFIG_SoftwareTimeOut = 4, /**< The request or data transfer timed out. */ + HOST_GETCONFIG_BuffOverflow = 5, /**< The device's configuration descriptor is too large to fit into the allocated + * buffer. + */ + HOST_GETCONFIG_InvalidData = 6, /**< The device returned invalid configuration descriptor data. */ + }; + + /** Enum for return values of a descriptor comparator function. */ + enum DSearch_Return_ErrorCodes_t + { + DESCRIPTOR_SEARCH_Found = 0, /**< Current descriptor matches comparator criteria. */ + DESCRIPTOR_SEARCH_Fail = 1, /**< No further descriptor could possibly match criteria, fail the search. */ + DESCRIPTOR_SEARCH_NotFound = 2, /**< Current descriptor does not match comparator criteria. */ + }; + + /** Enum for return values of \ref USB_GetNextDescriptorComp(). */ + enum DSearch_Comp_Return_ErrorCodes_t + { + DESCRIPTOR_SEARCH_COMP_Found = 0, /**< Configuration descriptor now points to descriptor which matches + * search criteria of the given comparator function. */ + DESCRIPTOR_SEARCH_COMP_Fail = 1, /**< Comparator function returned Descriptor_Search_Fail. */ + DESCRIPTOR_SEARCH_COMP_EndOfDescriptor = 2, /**< End of configuration descriptor reached before match found. */ + }; + + /* Function Prototypes: */ + /** Retrieves the configuration descriptor data from an attached device via a standard request into a buffer, + * including validity and size checking to prevent a buffer overflow. + * + * \param[in] ConfigNumber Device configuration descriptor number to fetch from the device (usually set to 1 for + * single configuration devices). + * \param[in,out] ConfigSizePtr Pointer to a uint16_t for storing the retrieved configuration descriptor size. + * \param[out] BufferPtr Pointer to the buffer for storing the configuration descriptor data. + * \param[out] BufferSize Size of the allocated buffer where the configuration descriptor is to be stored. + * + * \return A value from the \ref USB_Host_GetConfigDescriptor_ErrorCodes_t enum. + */ + uint8_t USB_Host_GetDeviceConfigDescriptor(uint8_t ConfigNumber, uint16_t* const ConfigSizePtr, void* BufferPtr, + uint16_t BufferSize) ATTR_NON_NULL_PTR_ARG(2) ATTR_NON_NULL_PTR_ARG(3); + + /** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value. + * The bytes remaining value is automatically decremented. + * + * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor. + * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor. + * \param[in] Type Descriptor type value to search for. + */ + void USB_GetNextDescriptorOfType(uint16_t* const BytesRem, + void** const CurrConfigLoc, + const uint8_t Type) + ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + + /** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value, + * which must come before a descriptor of the second given type value. If the BeforeType type + * descriptor is reached first, the number of bytes remaining to process is set to zero and the + * function exits. The bytes remaining value is automatically decremented. + * + * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor. + * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor. + * \param[in] Type Descriptor type value to search for. + * \param[in] BeforeType Descriptor type value which must not be reached before the given Type descriptor. + */ + void USB_GetNextDescriptorOfTypeBefore(uint16_t* const BytesRem, + void** const CurrConfigLoc, + const uint8_t Type, + const uint8_t BeforeType) + ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + + /** Skips to the next sub-descriptor inside the configuration descriptor of the specified type value, + * which must come after a descriptor of the second given type value. The bytes remaining value is + * automatically decremented. + * + * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor. + * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor. + * \param[in] Type Descriptor type value to search for. + * \param[in] AfterType Descriptor type value which must be reached before the given Type descriptor. + */ + void USB_GetNextDescriptorOfTypeAfter(uint16_t* const BytesRem, + void** const CurrConfigLoc, + const uint8_t Type, + const uint8_t AfterType) + ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + + /** Searches for the next descriptor in the given configuration descriptor using a pre-made comparator + * function. The routine updates the position and remaining configuration descriptor bytes values + * automatically. If a comparator routine fails a search, the descriptor pointer is retreated back + * so that the next descriptor search invocation will start from the descriptor which first caused the + * original search to fail. This behaviour allows for one comparator to be used immediately after another + * has failed, starting the second search from the descriptor which failed the first. + * + * Comparator functions should be standard functions which accept a pointer to the header of the current + * descriptor inside the configuration descriptor which is being compared, and should return a value from + * the \ref DSearch_Return_ErrorCodes_t enum as a uint8_t value. + * + * \note This function is available in USB Host mode only. + * + * \param[in,out] BytesRem Pointer to an int storing the remaining bytes in the configuration descriptor. + * \param[in,out] CurrConfigLoc Pointer to the current position in the configuration descriptor. + * \param[in] ComparatorRoutine Name of the comparator search function to use on the configuration descriptor. + * + * \return Value of one of the members of the \ref DSearch_Comp_Return_ErrorCodes_t enum. + * + * Usage Example: + * \code + * uint8_t EndpointSearcher(void* CurrentDescriptor); // Comparator Prototype + * + * uint8_t EndpointSearcher(void* CurrentDescriptor) + * { + * if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) + * return DESCRIPTOR_SEARCH_Found; + * else + * return DESCRIPTOR_SEARCH_NotFound; + * } + * + * //... + * // After retrieving configuration descriptor: + * if (USB_Host_GetNextDescriptorComp(&BytesRemaining, &CurrentConfigLoc, EndpointSearcher) == + * Descriptor_Search_Comp_Found) + * { + * // Do something with the endpoint descriptor + * } + * \endcode + */ + uint8_t USB_GetNextDescriptorComp(uint16_t* const BytesRem, + void** const CurrConfigLoc, + ConfigComparatorPtr_t const ComparatorRoutine); + + /* Inline Functions: */ + /** Skips over the current sub-descriptor inside the configuration descriptor, so that the pointer then + points to the next sub-descriptor. The bytes remaining value is automatically decremented. + * + * \param[in,out] BytesRem Pointer to the number of bytes remaining of the configuration descriptor. + * \param[in,out] CurrConfigLoc Pointer to the current descriptor inside the configuration descriptor. + */ + static inline void USB_GetNextDescriptor(uint16_t* const BytesRem, + void** CurrConfigLoc) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + static inline void USB_GetNextDescriptor(uint16_t* const BytesRem, + void** CurrConfigLoc) + { + uint16_t CurrDescriptorSize = DESCRIPTOR_CAST(*CurrConfigLoc, USB_Descriptor_Header_t).Size; + + *CurrConfigLoc = ((uint8_t*)*CurrConfigLoc) + CurrDescriptorSize; + *BytesRem -= CurrDescriptorSize; + } + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c b/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c new file mode 100644 index 0000000..a27151e --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.c @@ -0,0 +1,382 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#define __INCLUDE_FROM_DEVICESTDREQ_C +#include "DeviceStandardReq.h" + +uint8_t USB_ConfigurationNumber; + +#if !defined(NO_DEVICE_SELF_POWER) +bool USB_CurrentlySelfPowered; +#endif + +#if !defined(NO_DEVICE_REMOTE_WAKEUP) +bool USB_RemoteWakeupEnabled; +#endif + +void USB_Device_ProcessControlRequest(void) +{ + uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest; + + for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++) + *(RequestHeader++) = Endpoint_Read_Byte(); + + EVENT_USB_Device_ControlRequest(); + + if (Endpoint_IsSETUPReceived()) + { + uint8_t bmRequestType = USB_ControlRequest.bmRequestType; + + switch (USB_ControlRequest.bRequest) + { + case REQ_GetStatus: + if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || + (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT))) + { + USB_Device_GetStatus(); + } + + break; + case REQ_ClearFeature: + case REQ_SetFeature: + if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) || + (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT))) + { + USB_Device_ClearSetFeature(); + } + + break; + case REQ_SetAddress: + if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) + USB_Device_SetAddress(); + + break; + case REQ_GetDescriptor: + if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) || + (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE))) + { + USB_Device_GetDescriptor(); + } + + break; + case REQ_GetConfiguration: + if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) + USB_Device_GetConfiguration(); + + break; + case REQ_SetConfiguration: + if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) + USB_Device_SetConfiguration(); + + break; + } + } + + if (Endpoint_IsSETUPReceived()) + { + Endpoint_StallTransaction(); + Endpoint_ClearSETUP(); + } +} + +static void USB_Device_SetAddress(void) +{ + uint8_t DeviceAddress = (USB_ControlRequest.wValue & 0x7F); + + ATOMIC_BLOCK(ATOMIC_RESTORESTATE) + { + Endpoint_ClearSETUP(); + + Endpoint_ClearStatusStage(); + + while (!(Endpoint_IsINReady())); + + USB_DeviceState = (DeviceAddress) ? DEVICE_STATE_Addressed : DEVICE_STATE_Default; + + USB_Device_SetDeviceAddress(DeviceAddress); + } +} + +static void USB_Device_SetConfiguration(void) +{ + #if defined(FIXED_NUM_CONFIGURATIONS) + if ((uint8_t)USB_ControlRequest.wValue > FIXED_NUM_CONFIGURATIONS) + return; + #else + USB_Descriptor_Device_t* DevDescriptorPtr; + + #if defined(USE_FLASH_DESCRIPTORS) + #define MemoryAddressSpace MEMSPACE_FLASH + #elif defined(USE_EEPROM_DESCRIPTORS) + #define MemoryAddressSpace MEMSPACE_EEPROM + #elif defined(USE_SRAM_DESCRIPTORS) + #define MemoryAddressSpace MEMSPACE_SRAM + #else + uint8_t MemoryAddressSpace; + #endif + + if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DevDescriptorPtr + #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS) + , &MemoryAddressSpace + #endif + ) == NO_DESCRIPTOR) + { + return; + } + + if (MemoryAddressSpace == MEMSPACE_FLASH) + { + if (((uint8_t)USB_ControlRequest.wValue > pgm_read_byte(&DevDescriptorPtr->NumberOfConfigurations))) + return; + } + else if (MemoryAddressSpace == MEMSPACE_EEPROM) + { + if (((uint8_t)USB_ControlRequest.wValue > eeprom_read_byte(&DevDescriptorPtr->NumberOfConfigurations))) + return; + } + else + { + if ((uint8_t)USB_ControlRequest.wValue > DevDescriptorPtr->NumberOfConfigurations) + return; + } + #endif + + Endpoint_ClearSETUP(); + + USB_ConfigurationNumber = (uint8_t)USB_ControlRequest.wValue; + + Endpoint_ClearStatusStage(); + + if (USB_ConfigurationNumber) + USB_DeviceState = DEVICE_STATE_Configured; + else + USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered; + + EVENT_USB_Device_ConfigurationChanged(); +} + +static void USB_Device_GetConfiguration(void) +{ + Endpoint_ClearSETUP(); + + Endpoint_Write_Byte(USB_ConfigurationNumber); + Endpoint_ClearIN(); + + Endpoint_ClearStatusStage(); +} + +#if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR) +static void USB_Device_GetInternalSerialDescriptor(void) +{ + struct + { + USB_Descriptor_Header_t Header; + wchar_t UnicodeString[20]; + } SignatureDescriptor; + + SignatureDescriptor.Header.Type = DTYPE_String; + SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor); + + ATOMIC_BLOCK(ATOMIC_RESTORESTATE) + { + uint8_t SigReadAddress = 0x0E; + + for (uint8_t SerialCharNum = 0; SerialCharNum < 20; SerialCharNum++) + { + uint8_t SerialByte = boot_signature_byte_get(SigReadAddress); + + if (SerialCharNum & 0x01) + { + SerialByte >>= 4; + SigReadAddress++; + } + + SerialByte &= 0x0F; + + SignatureDescriptor.UnicodeString[SerialCharNum] = (SerialByte >= 10) ? + (('A' - 10) + SerialByte) : ('0' + SerialByte); + } + } + + Endpoint_ClearSETUP(); + + Endpoint_Write_Control_Stream_LE(&SignatureDescriptor, sizeof(SignatureDescriptor)); + + Endpoint_ClearOUT(); +} +#endif + +static void USB_Device_GetDescriptor(void) +{ + const void* DescriptorPointer; + uint16_t DescriptorSize; + + #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS) + uint8_t DescriptorAddressSpace; + #endif + + #if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR) + if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL)) + { + USB_Device_GetInternalSerialDescriptor(); + return; + } + #endif + + if ((DescriptorSize = CALLBACK_USB_GetDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex, + &DescriptorPointer + #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS) + , &DescriptorAddressSpace + #endif + )) == NO_DESCRIPTOR) + { + return; + } + + Endpoint_ClearSETUP(); + + #if defined(USE_RAM_DESCRIPTORS) + Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize); + #elif defined(USE_EEPROM_DESCRIPTORS) + Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize); + #elif defined(USE_FLASH_DESCRIPTORS) + Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize); + #else + if (DescriptorAddressSpace == MEMSPACE_FLASH) + Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize); + else if (DescriptorAddressSpace == MEMSPACE_EEPROM) + Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize); + else + Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize); + #endif + + Endpoint_ClearOUT(); +} + +static void USB_Device_GetStatus(void) +{ + uint8_t CurrentStatus = 0; + + switch (USB_ControlRequest.bmRequestType) + { + #if !defined(NO_DEVICE_SELF_POWER) || !defined(NO_DEVICE_REMOTE_WAKEUP) + case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE): + #if !defined(NO_DEVICE_SELF_POWER) + if (USB_CurrentlySelfPowered) + CurrentStatus |= FEATURE_SELFPOWERED_ENABLED; + #endif + + #if !defined(NO_DEVICE_REMOTE_WAKEUP) + if (USB_RemoteWakeupEnabled) + CurrentStatus |= FEATURE_REMOTE_WAKEUP_ENABLED; + #endif + break; + #endif + #if !defined(CONTROL_ONLY_DEVICE) + case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT): + Endpoint_SelectEndpoint((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK); + + CurrentStatus = Endpoint_IsStalled(); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + + break; + #endif + default: + return; + } + + Endpoint_ClearSETUP(); + + Endpoint_Write_Word_LE(CurrentStatus); + Endpoint_ClearIN(); + + Endpoint_ClearStatusStage(); +} + +static void USB_Device_ClearSetFeature(void) +{ + switch (USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) + { + #if !defined(NO_DEVICE_REMOTE_WAKEUP) + case REQREC_DEVICE: + if ((uint8_t)USB_ControlRequest.wValue == FEATURE_SEL_DeviceRemoteWakeup) + USB_RemoteWakeupEnabled = (USB_ControlRequest.bRequest == REQ_SetFeature); + else + return; + + break; + #endif + #if !defined(CONTROL_ONLY_DEVICE) + case REQREC_ENDPOINT: + if ((uint8_t)USB_ControlRequest.wValue == FEATURE_SEL_EndpointHalt) + { + uint8_t EndpointIndex = ((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK); + + if (EndpointIndex == ENDPOINT_CONTROLEP) + return; + + Endpoint_SelectEndpoint(EndpointIndex); + + if (Endpoint_IsEnabled()) + { + if (USB_ControlRequest.bRequest == REQ_SetFeature) + { + Endpoint_StallTransaction(); + } + else + { + Endpoint_ClearStall(); + Endpoint_ResetFIFO(EndpointIndex); + Endpoint_ResetDataToggle(); + } + } + } + + break; + #endif + default: + return; + } + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + + Endpoint_ClearSETUP(); + + Endpoint_ClearStatusStage(); +} + +#endif + diff --git a/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.h b/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.h new file mode 100644 index 0000000..df5a79a --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/DeviceStandardReq.h @@ -0,0 +1,165 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB device standard request management. + * + * This file contains the function prototypes necessary for the processing of incoming standard control requests + * when the library is in USB device mode. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +#ifndef __DEVICESTDREQ_H__ +#define __DEVICESTDREQ_H__ + + /* Includes: */ + #include + #include + #include + #include + #include + #include + + #include "StdDescriptors.h" + #include "Events.h" + #include "StdRequestType.h" + #include "USBTask.h" + #include "../LowLevel/USBController.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + #if defined(USE_SINGLE_DEVICE_CONFIGURATION) + #define FIXED_NUM_CONFIGURATIONS 1 + #endif + + /* Enums: */ + #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS) + /** Enum for the possible descriptor memory spaces, for the MemoryAddressSpace of the + * \ref CALLBACK_USB_GetDescriptor() function. This can be used when none of the USE_*_DESCRIPTORS + * compile time options are used, to indicate in which memory space the descriptor is stored. + * + * \ingroup Group_Device + */ + enum USB_DescriptorMemorySpaces_t + { + MEMSPACE_FLASH = 0, /**< Indicates the requested descriptor is located in FLASH memory. */ + MEMSPACE_EEPROM = 1, /**< Indicates the requested descriptor is located in EEPROM memory. */ + MEMSPACE_RAM = 2, /**< Indicates the requested descriptor is located in RAM memory. */ + }; + #endif + + /* Global Variables: */ + /** Indicates the currently set configuration number of the device. USB devices may have several + * different configurations which the host can select between; this indicates the currently selected + * value, or 0 if no configuration has been selected. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + * + * \ingroup Group_Device + */ + extern uint8_t USB_ConfigurationNumber; + + #if !defined(NO_DEVICE_REMOTE_WAKEUP) + /** Indicates if the host is currently allowing the device to issue remote wakeup events. If this + * flag is cleared, the device should not issue remote wakeup events to the host. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + * \n\n + * + * \note To reduce FLASH usage of the compiled applications where Remote Wakeup is not supported, + * this global and the underlying management code can be disabled by defining the + * NO_DEVICE_REMOTE_WAKEUP token in the project makefile and passing it to the compiler via + * the -D switch. + * + * \ingroup Group_Device + */ + extern bool USB_RemoteWakeupEnabled; + #endif + + #if !defined(NO_DEVICE_SELF_POWER) + /** Indicates if the device is currently being powered by its own power supply, rather than being + * powered by the host's USB supply. This flag should remain cleared if the device does not + * support self powered mode, as indicated in the device descriptors. + * + * \ingroup Group_Device + */ + extern bool USB_CurrentlySelfPowered; + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + #if defined(USE_RAM_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS) + #error USE_RAM_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive. + #elif defined(USE_RAM_DESCRIPTORS) && defined(USE_FLASH_DESCRIPTORS) + #error USE_RAM_DESCRIPTORS and USE_FLASH_DESCRIPTORS are mutually exclusive. + #elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS) + #error USE_FLASH_DESCRIPTORS and USE_EEPROM_DESCRIPTORS are mutually exclusive. + #elif defined(USE_FLASH_DESCRIPTORS) && defined(USE_EEPROM_DESCRIPTORS) && defined(USE_RAM_DESCRIPTORS) + #error Only one of the USE_*_DESCRIPTORS modes should be selected. + #endif + + /* Function Prototypes: */ + void USB_Device_ProcessControlRequest(void); + + #if defined(__INCLUDE_FROM_DEVICESTDREQ_C) + static void USB_Device_SetAddress(void); + static void USB_Device_SetConfiguration(void); + static void USB_Device_GetConfiguration(void); + static void USB_Device_GetDescriptor(void); + static void USB_Device_GetStatus(void); + static void USB_Device_ClearSetFeature(void); + + #if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR) + static void USB_Device_GetInternalSerialDescriptor(void); + #endif + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + diff --git a/LUFA/Drivers/USB/HighLevel/EndpointStream.c b/LUFA/Drivers/USB/HighLevel/EndpointStream.c new file mode 100644 index 0000000..7e92b7e --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/EndpointStream.c @@ -0,0 +1,233 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#include "EndpointStream.h" + +#if !defined(CONTROL_ONLY_DEVICE) +uint8_t Endpoint_Discard_Stream(uint16_t Length + __CALLBACK_PARAM) +{ + uint8_t ErrorCode; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + #if defined(FAST_STREAM_TRANSFERS) + uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07); + + if (Length >= 8) + { + Length -= BytesRemToAlignment; + + switch (BytesRemToAlignment) + { + default: + do + { + if (!(Endpoint_IsReadWriteAllowed())) + { + Endpoint_ClearOUT(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return ENDPOINT_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + + Length -= 8; + + Endpoint_Discard_Byte(); + case 7: Endpoint_Discard_Byte(); + case 6: Endpoint_Discard_Byte(); + case 5: Endpoint_Discard_Byte(); + case 4: Endpoint_Discard_Byte(); + case 3: Endpoint_Discard_Byte(); + case 2: Endpoint_Discard_Byte(); + case 1: Endpoint_Discard_Byte(); + } while (Length >= 8); + } + } + #endif + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + Endpoint_ClearOUT(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return ENDPOINT_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + Endpoint_Discard_Byte(); + Length--; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr++)) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++)) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++)) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr--)) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--)) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--)) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_LE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte() +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_LE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte()) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_BE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte() +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_BE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte()) +#include "Template/Template_Endpoint_RW.c" + +#endif + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr++)) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++)) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++)) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*((uint8_t*)BufferPtr--)) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--)) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--)) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Endpoint_Read_Byte() +#include "Template/Template_Endpoint_Control_R.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr++, Endpoint_Read_Byte()) +#include "Template/Template_Endpoint_Control_R.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Endpoint_Read_Byte() +#include "Template/Template_Endpoint_Control_R.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr--, Endpoint_Read_Byte()) +#include "Template/Template_Endpoint_Control_R.c" + +#endif diff --git a/LUFA/Drivers/USB/HighLevel/EndpointStream.h b/LUFA/Drivers/USB/HighLevel/EndpointStream.h new file mode 100644 index 0000000..a8b9021 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/EndpointStream.h @@ -0,0 +1,524 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB device endpoint stream function definitions. + * + * This file contains structures, function prototypes and macros related to the sending and receiving of + * arbitrary data streams through the device's data endpoints when the library is initialized in USB device mode. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_EndpointRW + * @defgroup Group_EndpointStreamRW Read/Write of Multi-Byte Streams + * + * Functions, macros, variables, enums and types related to data reading and writing of data streams from + * and to endpoints. + * + * @{ + */ + +#ifndef __ENDPOINT_STREAM_H__ +#define __ENDPOINT_STREAM_H__ + + /* Includes: */ + #include + #include + #include + + #include "../../../Common/Common.h" + #include "USBTask.h" + + #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) + #include "StreamCallbacks.h" + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) + #define __CALLBACK_PARAM , StreamCallbackPtr_t Callback + #else + #define __CALLBACK_PARAM + #endif + + /* Public Interface - May be used in end-application: */ + /* Enums: */ + /** Enum for the possible error return codes of the Endpoint_*_Stream_* functions. */ + enum Endpoint_Stream_RW_ErrorCodes_t + { + ENDPOINT_RWSTREAM_NoError = 0, /**< Command completed successfully, no error. */ + ENDPOINT_RWSTREAM_EndpointStalled = 1, /**< The endpoint was stalled during the stream + * transfer by the host or device. + */ + ENDPOINT_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during + * the transfer. + */ + ENDPOINT_RWSTREAM_BusSuspended = 3, /**< The USB bus has been suspended by the host and + * no USB endpoint traffic can occur until the bus + * has resumed. + */ + ENDPOINT_RWSTREAM_Timeout = 4, /**< The host failed to accept or send the next packet + * within the software timeout period set by the + * \ref USB_STREAM_TIMEOUT_MS macro. + */ + ENDPOINT_RWSTREAM_CallbackAborted = 5, /**< Indicates that the stream's callback function + * aborted the transfer early. + */ + }; + + /** Enum for the possible error return codes of the Endpoint_*_Control_Stream_* functions. */ + enum Endpoint_ControlStream_RW_ErrorCodes_t + { + ENDPOINT_RWCSTREAM_NoError = 0, /**< Command completed successfully, no error. */ + ENDPOINT_RWCSTREAM_HostAborted = 1, /**< The aborted the transfer prematurely. */ + ENDPOINT_RWCSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during + * the transfer. + */ + ENDPOINT_RWCSTREAM_BusSuspended = 3, /**< The USB bus has been suspended by the host and + * no USB endpoint traffic can occur until the bus + * has resumed. + */ + }; + + /* Function Prototypes: */ + /** Reads and discards the given number of bytes from the endpoint from the given buffer, + * discarding fully read packets from the host as needed. The last packet is not automatically + * discarded once the remaining bytes has been read; the user is responsible for manually + * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between + * each USB packet, the given stream callback function is executed repeatedly until the next + * packet is ready, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Discard_Stream(uint16_t Length + __CALLBACK_PARAM); + + /** Writes the given number of bytes to the endpoint from the given buffer in little endian, + * sending full packets to the host as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function + * is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early + * aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Stream_LE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Write_Stream_LE(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_EStream_LE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** FLASH buffer source version of \ref Endpoint_Write_Stream_LE(). + * + * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_PStream_LE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the endpoint from the given buffer in big endian, + * sending full packets to the host as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function + * is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early + * aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Stream_BE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Write_Stream_BE(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_EStream_BE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** FLASH buffer source version of \ref Endpoint_Write_Stream_BE(). + * + * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_PStream_BE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the endpoint from the given buffer in little endian, + * discarding fully read packets from the host as needed. The last packet is not automatically + * discarded once the remaining bytes has been read; the user is responsible for manually + * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between + * each USB packet, the given stream callback function is executed repeatedly until the endpoint + * is ready to accept the next packet, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Stream_LE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Read_Stream_LE(). + * + * \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_EStream_LE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the endpoint from the given buffer in big endian, + * discarding fully read packets from the host as needed. The last packet is not automatically + * discarded once the remaining bytes has been read; the user is responsible for manually + * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between + * each USB packet, the given stream callback function is executed repeatedly until the endpoint + * is ready to accept the next packet, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Stream_BE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Read_Stream_BE(). + * + * \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_EStream_BE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in little endian, + * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared + * in both failure and success states; the user is responsible for manually clearing the setup OUT to + * finalize the transfer via the \ref Endpoint_ClearOUT() macro. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of Endpoint_Write_Control_Stream_LE. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_EStream_LE(const void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_LE(). + * + * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_PStream_LE(const void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in big endian, + * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared + * in both failure and success states; the user is responsible for manually clearing the setup OUT to + * finalize the transfer via the \ref Endpoint_ClearOUT() macro. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Write_Control_Stream_BE(). + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_EStream_BE(const void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_BE(). + * + * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_PStream_BE(const void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in little endian, + * discarding fully read packets from the host as needed. The device IN acknowledgement is not + * automatically sent after success or failure states; the user is responsible for manually sending the + * setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_LE(). + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Control_EStream_LE(void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in big endian, + * discarding fully read packets from the host as needed. The device IN acknowledgement is not + * automatically sent after success or failure states; the user is responsible for manually sending the + * setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro. + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_BE(). + * + * \note This function automatically clears the control transfer's status stage. Do not manually attempt + * to clear the status stage when using this routine in a control transaction. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Control_EStream_BE(void* Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/Events.c b/LUFA/Drivers/USB/HighLevel/Events.c new file mode 100644 index 0000000..b73a7d1 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Events.c @@ -0,0 +1,39 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_EVENTS_C +#define __INCLUDE_FROM_USB_DRIVER +#include "Events.h" + +void USB_Event_Stub(void) +{ + +} + diff --git a/LUFA/Drivers/USB/HighLevel/Events.h b/LUFA/Drivers/USB/HighLevel/Events.h new file mode 100644 index 0000000..a7d3543 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Events.h @@ -0,0 +1,375 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB controller events manager. + * + * This file contains macros and functions relating to the management of library events, which are small + * pieces of code similar to ISRs which are run when a given condition is met. Each event can be fired from + * multiple places in the user or library code, which may or may not be inside an ISR, thus each handler + * should be written to be as small and fast as possible to prevent possible problems. + * + * Events can be hooked by the user application by declaring a handler function with the same name and parameters + * listed here. If an event with no user-associated handler is fired within the library, it by default maps to an + * internal empty stub function. + * + * Each event must only have one associated event handler, but can be raised by multiple sources by calling the + * event handler function (with any required event parameters). + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USB + * @defgroup Group_Events USB Events + * + * This module contains macros and functions relating to the management of library events, which are small + * pieces of code similar to ISRs which are run when a given condition is met. Each event can be fired from + * multiple places in the user or library code, which may or may not be inside an ISR, thus each handler + * should be written to be as small and fast as possible to prevent possible problems. + * + * Events can be hooked by the user application by declaring a handler function with the same name and parameters + * listed here. If an event with no user-associated handler is fired within the library, it by default maps to an + * internal empty stub function. + * + * Each event must only have one associated event handler, but can be raised by multiple sources by calling the + * event handler function (with any required event parameters). + * + * @{ + */ + +#ifndef __USBEVENTS_H__ +#define __USBEVENTS_H__ + + /* Includes: */ + #include + + #include "../../../Common/Common.h" + #include "USBMode.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Pseudo-Functions for Doxygen: */ + #if !defined(__INCLUDE_FROM_EVENTS_C) || defined(__DOXYGEN__) + /** Event for USB mode pin level change. This event fires when the USB interface is set to dual role + * mode, and the UID pin level has changed to indicate a new mode (device or host). This event fires + * before the mode is switched to the newly indicated mode but after the \ref EVENT_USB_Device_Disconnect + * event has fired (if connected before the role change). + * + * \note This event only exists on USB AVR models which support dual role modes. + * \n\n + * + * \note This event does not exist if the USB_DEVICE_ONLY or USB_HOST_ONLY tokens have been supplied + * to the compiler (see \ref Group_USBManagement documentation). + */ + void EVENT_USB_UIDChange(void); + + /** Event for USB host error. This event fires when a hardware fault has occurred whilst the USB + * interface is in host mode. + * + * \param[in] ErrorCode Error code indicating the failure reason, a value in \ref USB_Host_ErrorCodes_t. + * + * \note This event only exists on USB AVR models which supports host mode. + * \n\n + * + * \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + */ + void EVENT_USB_Host_HostError(const uint8_t ErrorCode); + + /** Event for USB device attachment. This event fires when a the USB interface is in host mode, and + * a USB device has been connected to the USB interface. This is interrupt driven, thus fires before + * the standard \ref EVENT_USB_Device_Connect() event and so can be used to programmatically start the USB + * management task to reduce CPU consumption. + * + * \note This event only exists on USB AVR models which supports host mode. + * \n\n + * + * \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + * + * \see \ref USB_USBTask() for more information on the USB management task and reducing CPU usage. + */ + void EVENT_USB_Host_DeviceAttached(void); + + /** Event for USB device removal. This event fires when a the USB interface is in host mode, and + * a USB device has been removed the USB interface whether or not it has been enumerated. This + * can be used to programmatically stop the USB management task to reduce CPU consumption. + * + * \note This event only exists on USB AVR models which supports host mode. + * \n\n + * + * \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + * + * \see \ref USB_USBTask() for more information on the USB management task and reducing CPU usage. + */ + void EVENT_USB_Host_DeviceUnattached(void); + + /** Event for USB device enumeration failure. This event fires when a the USB interface is + * in host mode, and an attached USB device has failed to enumerate completely. + * + * \param[in] ErrorCode Error code indicating the failure reason, a value in + * \ref USB_Host_EnumerationErrorCodes_t. + * + * \param[in] SubErrorCode Sub error code indicating the reason for failure - for example, if the + * ErrorCode parameter indicates a control error, this will give the error + * code returned by the \ref USB_Host_SendControlRequest() function. + * + * \note This event only exists on USB AVR models which supports host mode. + * \n\n + * + * \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + */ + void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, + const uint8_t SubErrorCode); + + /** Event for USB device enumeration completion. This event fires when a the USB interface is + * in host mode and an attached USB device has been completely enumerated and is ready to be + * controlled by the user application. + * + * This event is time-critical; exceeding OS-specific delays within this event handler (typically of around + * 1 second) when a transaction is waiting to be processed by the device will prevent break communications + * and cause the host to reset the USB bus. + */ + void EVENT_USB_Host_DeviceEnumerationComplete(void); + + /** Event for USB Start Of Frame detection, when enabled. This event fires at the start of each USB + * frame, once per millisecond, and is synchronized to the USB bus. This can be used as an accurate + * millisecond timer source when the USB bus is not suspended while in host mode. + * + * This event is time-critical; it is run once per millisecond and thus long handlers will significantly + * degrade device performance. This event should only be enabled when needed to reduce device wake-ups. + * + * \note This event is not normally active - it must be manually enabled and disabled via the + * \ref USB_Host_EnableSOFEvents() and \ref USB_Host_DisableSOFEvents() commands after enumeration of + * a USB device. + * \n\n + * + * \note This event does not exist if the USB_DEVICE_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + */ + void EVENT_USB_Host_StartOfFrame(void); + + /** Event for USB device connection. This event fires when the AVR in device mode and the device is connected + * to a host, beginning the enumeration process, measured by a rising level on the AVR's VBUS pin. + * + * This event is time-critical; exceeding OS-specific delays within this event handler (typically of around + * two seconds) will prevent the device from enumerating correctly. + * + * \note For the smaller series 2 USB AVRs with limited USB controllers, VBUS is not available to the USB controller. + * this means that the current connection state is derived from the bus suspension and wake up events by default, + * which is not always accurate (host may suspend the bus while still connected). If the actual connection state + * needs to be determined, VBUS should be routed to an external pin, and the auto-detect behaviour turned off by + * passing the NO_LIMITED_CONTROLLER_CONNECT token to the compiler via the -D switch at compile time. The connection + * and disconnection events may be manually fired, and the \ref USB_DeviceState global changed manually. + * \n\n + * + * \note This event may fire multiple times during device enumeration on the series 2 USB AVRs with limited USB controllers + * if NO_LIMITED_CONTROLLER_CONNECT is not defined. + * + * \see USBTask.h for more information on the USB management task and reducing CPU usage. + */ + void EVENT_USB_Device_Connect(void); + + /** Event for USB device disconnection. This event fires when the AVR in device mode and the device is disconnected + * from a host, measured by a falling level on the AVR's VBUS pin. + * + * \note For the smaller series 2 USB AVRs with limited USB controllers, VBUS is not available to the USB controller. + * this means that the current connection state is derived from the bus suspension and wake up events by default, + * which is not always accurate (host may suspend the bus while still connected). If the actual connection state + * needs to be determined, VBUS should be routed to an external pin, and the auto-detect behaviour turned off by + * passing the NO_LIMITED_CONTROLLER_CONNECT token to the compiler via the -D switch at compile time. The connection + * and disconnection events may be manually fired, and the \ref USB_DeviceState global changed manually. + * \n\n + * + * \note This event may fire multiple times during device enumeration on the series 2 USB AVRs with limited USB controllers + * if NO_LIMITED_CONTROLLER_CONNECT is not defined. + * + * \see USBTask.h for more information on the USB management task and reducing CPU usage. + */ + void EVENT_USB_Device_Disconnect(void); + + /** Event for control requests. This event fires when a the USB host issues a control request + * to the mandatory device control endpoint (of address 0). This may either be a standard + * request that the library may have a handler code for internally, or a class specific request + * issued to the device which must be handled appropriately. If a request is not processed in the + * user application via this event, it will be passed to the library for processing internally + * if a suitable handler exists. + * + * This event is time-critical; each packet within the request transaction must be acknowledged or + * sent within 50ms or the host will abort the transfer. + * + * The library internally handles all standard control requests with the exceptions of SYNC FRAME, + * SET DESCRIPTOR and SET INTERFACE. These and all other non-standard control requests will be left + * for the user to process via this event if desired. If not handled in the user application or by + * the library internally, unknown requests are automatically STALLed. + * + * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + * \n\n + * + * \note Requests should be handled in the same manner as described in the USB 2.0 Specification, + * or appropriate class specification. In all instances, the library has already read the + * request SETUP parameters into the \ref USB_ControlRequest structure which should then be used + * by the application to determine how to handle the issued request. + */ + void EVENT_USB_Device_ControlRequest(void); + + /** Event for USB configuration number changed. This event fires when a the USB host changes the + * selected configuration number while in device mode. This event should be hooked in device + * applications to create the endpoints and configure the device for the selected configuration. + * + * This event is time-critical; exceeding OS-specific delays within this event handler (typically of around + * one second) will prevent the device from enumerating correctly. + * + * This event fires after the value of \ref USB_ConfigurationNumber has been changed. + * + * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + */ + void EVENT_USB_Device_ConfigurationChanged(void); + + /** Event for USB suspend. This event fires when a the USB host suspends the device by halting its + * transmission of Start Of Frame pulses to the device. This is generally hooked in order to move + * the device over to a low power state until the host wakes up the device. If the USB interface is + * enumerated with the \ref USB_OPT_AUTO_PLL option set, the library will automatically suspend the + * USB PLL before the event is fired to save power. + * + * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + * \n\n + * + * \note This event does not exist on the series 2 USB AVRs when the NO_LIMITED_CONTROLLER_CONNECT + * compile time token is not set - see \ref EVENT_USB_Device_Disconnect. + * + * \see \ref EVENT_USB_Device_WakeUp() event for accompanying Wake Up event. + */ + void EVENT_USB_Device_Suspend(void); + + /** Event for USB wake up. This event fires when a the USB interface is suspended while in device + * mode, and the host wakes up the device by supplying Start Of Frame pulses. This is generally + * hooked to pull the user application out of a low power state and back into normal operating + * mode. If the USB interface is enumerated with the \ref USB_OPT_AUTO_PLL option set, the library + * will automatically restart the USB PLL before the event is fired. + * + * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + * \n\n + * + * \note This event does not exist on the series 2 USB AVRs when the NO_LIMITED_CONTROLLER_CONNECT + * compile time token is not set - see \ref EVENT_USB_Device_Connect. + * + * \see \ref EVENT_USB_Device_Suspend() event for accompanying Suspend event. + */ + void EVENT_USB_Device_WakeUp(void); + + /** Event for USB interface reset. This event fires when the USB interface is in device mode, and + * a the USB host requests that the device reset its interface. This event fires after the control + * endpoint has been automatically configured by the library. + * + * This event is time-critical; exceeding OS-specific delays within this event handler (typically of around + * two seconds) will prevent the device from enumerating correctly. + * + * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + */ + void EVENT_USB_Device_Reset(void); + + /** Event for USB Start Of Frame detection, when enabled. This event fires at the start of each USB + * frame, once per millisecond, and is synchronized to the USB bus. This can be used as an accurate + * millisecond timer source when the USB bus is enumerated in device mode to a USB host. + * + * This event is time-critical; it is run once per millisecond and thus long handlers will significantly + * degrade device performance. This event should only be enabled when needed to reduce device wake-ups. + * + * \note This event is not normally active - it must be manually enabled and disabled via the + * \ref USB_Device_EnableSOFEvents() and \ref USB_Device_DisableSOFEvents() commands after enumeration. + * \n\n + * + * \note This event does not exist if the USB_HOST_ONLY token is supplied to the compiler (see + * \ref Group_USBManagement documentation). + */ + void EVENT_USB_Device_StartOfFrame(void); + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_EVENTS_C) + void USB_Event_Stub(void) ATTR_CONST; + + #if defined(USB_CAN_BE_BOTH) + void EVENT_USB_UIDChange(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + #endif + + #if defined(USB_CAN_BE_HOST) + void EVENT_USB_Host_HostError(const uint8_t ErrorCode) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Host_DeviceAttached(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Host_DeviceUnattached(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Host_DeviceEnumerationComplete(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, + const uint8_t SubErrorCode) + ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Host_StartOfFrame(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + #endif + + #if defined(USB_CAN_BE_DEVICE) + void EVENT_USB_Device_Connect(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_Disconnect(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_ControlRequest(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_ConfigurationChanged(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_Suspend(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_WakeUp(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_Reset(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + void EVENT_USB_Device_StartOfFrame(void) ATTR_WEAK ATTR_ALIAS(USB_Event_Stub); + #endif + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/HostStandardReq.c b/LUFA/Drivers/USB/HighLevel/HostStandardReq.c new file mode 100644 index 0000000..2eee726 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/HostStandardReq.c @@ -0,0 +1,180 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_HOSTSTDREQ_C +#include "HostStandardReq.h" + +uint8_t USB_Host_SendControlRequest(void* const BufferPtr) +{ + uint8_t* HeaderStream = (uint8_t*)&USB_ControlRequest; + uint8_t* DataStream = (uint8_t*)BufferPtr; + bool BusSuspended = USB_Host_IsBusSuspended(); + uint8_t ReturnStatus = HOST_SENDCONTROL_Successful; + uint16_t DataLen = USB_ControlRequest.wLength; + + USB_Host_ResumeBus(); + + if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + goto End_Of_Control_Send; + + Pipe_SetPipeToken(PIPE_TOKEN_SETUP); + Pipe_ClearErrorFlags(); + + Pipe_Unfreeze(); + + for (uint8_t HeaderByte = 0; HeaderByte < sizeof(USB_Request_Header_t); HeaderByte++) + Pipe_Write_Byte(*(HeaderStream++)); + + Pipe_ClearSETUP(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_SetupSent)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + + Pipe_Freeze(); + + if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + goto End_Of_Control_Send; + + if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST) + { + Pipe_SetPipeToken(PIPE_TOKEN_IN); + + if (DataStream != NULL) + { + while (DataLen) + { + Pipe_Unfreeze(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + + if (!(Pipe_BytesInPipe())) + DataLen = 0; + + while (Pipe_BytesInPipe() && DataLen) + { + *(DataStream++) = Pipe_Read_Byte(); + DataLen--; + } + + Pipe_Freeze(); + Pipe_ClearIN(); + } + } + + Pipe_SetPipeToken(PIPE_TOKEN_OUT); + Pipe_Unfreeze(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + + Pipe_ClearOUT(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + } + else + { + if (DataStream != NULL) + { + Pipe_SetPipeToken(PIPE_TOKEN_OUT); + Pipe_Unfreeze(); + + while (DataLen) + { + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + + while (DataLen && (Pipe_BytesInPipe() < USB_ControlPipeSize)) + { + Pipe_Write_Byte(*(DataStream++)); + DataLen--; + } + + Pipe_ClearOUT(); + } + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + + Pipe_Freeze(); + } + + Pipe_SetPipeToken(PIPE_TOKEN_IN); + Pipe_Unfreeze(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful) + goto End_Of_Control_Send; + + Pipe_ClearIN(); + } + +End_Of_Control_Send: + Pipe_Freeze(); + + if (BusSuspended) + USB_Host_SuspendBus(); + + Pipe_ResetPipe(PIPE_CONTROLPIPE); + + return ReturnStatus; +} + +static uint8_t USB_Host_WaitForIOS(const uint8_t WaitType) +{ + #if (USB_HOST_TIMEOUT_MS < 0xFF) + uint8_t TimeoutCounter = USB_HOST_TIMEOUT_MS; + #else + uint16_t TimeoutCounter = USB_HOST_TIMEOUT_MS; + #endif + + while (!(((WaitType == USB_HOST_WAITFOR_SetupSent) && Pipe_IsSETUPSent()) || + ((WaitType == USB_HOST_WAITFOR_InReceived) && Pipe_IsINReceived()) || + ((WaitType == USB_HOST_WAITFOR_OutReady) && Pipe_IsOUTReady()))) + { + uint8_t ErrorCode; + + if ((ErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + return ErrorCode; + + if (!(TimeoutCounter--)) + return HOST_SENDCONTROL_SoftwareTimeOut; + } + + return HOST_SENDCONTROL_Successful; +} + +#endif + diff --git a/LUFA/Drivers/USB/HighLevel/HostStandardReq.h b/LUFA/Drivers/USB/HighLevel/HostStandardReq.h new file mode 100644 index 0000000..4b9b3dc --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/HostStandardReq.h @@ -0,0 +1,118 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB host standard request management. + * + * This file contains the function prototypes necessary for the issuing of outgoing standard control requests + * when the library is in USB host mode. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +#ifndef __HOSTSTDREQ_H__ +#define __HOSTSTDREQ_H__ + + /* Includes: */ + #include + #include + + #include "USBMode.h" + #include "StdRequestType.h" + #include "../LowLevel/USBController.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Enums: */ + /** Enum for the \ref USB_Host_SendControlRequest() return code, indicating the reason for the error + * if the transfer of the request is unsuccessful. + * + * \ingroup Group_PipeControlReq + */ + enum USB_Host_SendControlErrorCodes_t + { + HOST_SENDCONTROL_Successful = 0, /**< No error occurred in the request transfer. */ + HOST_SENDCONTROL_DeviceDisconnected = 1, /**< The attached device was disconnected during the + * request transfer. + */ + HOST_SENDCONTROL_PipeError = 2, /**< An error occurred in the pipe while sending the request. */ + HOST_SENDCONTROL_SetupStalled = 3, /**< The attached device stalled the request, usually + * indicating that the request is unsupported on the device. + */ + HOST_SENDCONTROL_SoftwareTimeOut = 4, /**< The request or data transfer timed out. */ + }; + + /* Function Prototypes: */ + /** Sends the request stored in the \ref USB_ControlRequest global structure to the attached device, + * and transfers the data stored in the buffer to the device, or from the device to the buffer + * as requested. The transfer is made on the currently selected pipe. + * + * \ingroup Group_PipeControlReq + * + * \param[in] BufferPtr Pointer to the start of the data buffer if the request has a data stage, or + * NULL if the request transfers no data to or from the device. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_SendControlRequest(void* const BufferPtr); + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Enums: */ + enum USB_WaitForTypes_t + { + USB_HOST_WAITFOR_SetupSent, + USB_HOST_WAITFOR_InReceived, + USB_HOST_WAITFOR_OutReady, + }; + + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_HOSTSTDREQ_C) + static uint8_t USB_Host_WaitForIOS(const uint8_t WaitType); + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + diff --git a/LUFA/Drivers/USB/HighLevel/PipeStream.c b/LUFA/Drivers/USB/HighLevel/PipeStream.c new file mode 100644 index 0000000..25100ca --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/PipeStream.c @@ -0,0 +1,196 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#include "PipeStream.h" + +uint8_t Pipe_Discard_Stream(uint16_t Length + __CALLBACK_PARAM) +{ + uint8_t ErrorCode; + + Pipe_SetPipeToken(PIPE_TOKEN_IN); + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + + #if defined(FAST_STREAM_TRANSFERS) + uint8_t BytesRemToAlignment = (Pipe_BytesInPipe() & 0x07); + + if (Length >= 8) + { + Length -= BytesRemToAlignment; + + switch (BytesRemToAlignment) + { + default: + do + { + if (!(Pipe_IsReadWriteAllowed())) + { + Pipe_ClearIN(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return PIPE_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + + Length -= 8; + + Pipe_Discard_Byte(); + case 7: Pipe_Discard_Byte(); + case 6: Pipe_Discard_Byte(); + case 5: Pipe_Discard_Byte(); + case 4: Pipe_Discard_Byte(); + case 3: Pipe_Discard_Byte(); + case 2: Pipe_Discard_Byte(); + case 1: Pipe_Discard_Byte(); + } while (Length >= 8); + } + } + #endif + + while (Length) + { + if (!(Pipe_IsReadWriteAllowed())) + { + Pipe_ClearIN(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return PIPE_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + else + { + Pipe_Discard_Byte(); + Length--; + } + } + + return PIPE_RWSTREAM_NoError; +} + +/* The following abuses the C preprocessor in order to copy-past common code with slight alterations, + * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */ + +#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(*((uint8_t*)BufferPtr++)) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Write_PStream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++)) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Write_EStream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++)) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(*((uint8_t*)BufferPtr--)) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Write_PStream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--)) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Write_EStream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--)) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_LE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_TOKEN PIPE_TOKEN_IN +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Pipe_Read_Byte() +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Read_EStream_LE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_TOKEN PIPE_TOKEN_IN +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr++, Pipe_Read_Byte()) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_BE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_TOKEN PIPE_TOKEN_IN +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Pipe_Read_Byte() +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Read_EStream_BE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_TOKEN PIPE_TOKEN_IN +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr--, Pipe_Read_Byte()) +#include "Template/Template_Pipe_RW.c" + +#endif + diff --git a/LUFA/Drivers/USB/HighLevel/PipeStream.h b/LUFA/Drivers/USB/HighLevel/PipeStream.h new file mode 100644 index 0000000..730a338 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/PipeStream.h @@ -0,0 +1,298 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB host pipe stream function definitions. + * + * This file contains structures, function prototypes and macros related to the sending and receiving of + * arbitrary data streams through the device's data pipes when the library is initialized in USB host mode. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_PipeRW + * @defgroup Group_PipeStreamRW Read/Write of Multi-Byte Streams + * + * Functions, macros, variables, enums and types related to data reading and writing of data streams from + * and to pipes. + * + * @{ + */ + +#ifndef __PIPE_STREAM_H__ +#define __PIPE_STREAM_H__ + + /* Includes: */ + #include + #include + #include + + #include "../../../Common/Common.h" + #include "USBTask.h" + + #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) + #include "StreamCallbacks.h" + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) + #define __CALLBACK_PARAM , StreamCallbackPtr_t Callback + #else + #define __CALLBACK_PARAM + #endif + + /* Public Interface - May be used in end-application: */ + /* Enums: */ + /** Enum for the possible error return codes of the Pipe_*_Stream_* functions. */ + enum Pipe_Stream_RW_ErrorCodes_t + { + PIPE_RWSTREAM_NoError = 0, /**< Command completed successfully, no error. */ + PIPE_RWSTREAM_PipeStalled = 1, /**< The device stalled the pipe during the transfer. */ + PIPE_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during + * the transfer. + */ + PIPE_RWSTREAM_Timeout = 3, /**< The device failed to accept or send the next packet + * within the software timeout period set by the + * \ref USB_STREAM_TIMEOUT_MS macro. + */ + PIPE_RWSTREAM_CallbackAborted = 4, /**< Indicates that the stream's callback function aborted + * the transfer early. + */ + }; + + /* Function Prototypes: */ + /** Reads and discards the given number of bytes from the pipe, discarding fully read packets from the host + * as needed. The last packet is not automatically discarded once the remaining bytes has been read; the + * user is responsible for manually discarding the last packet from the device via the \ref Pipe_ClearIN() macro. + * Between each USB packet, the given stream callback function is executed repeatedly until the next packet is ready, + * allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Length Number of bytes to send via the currently selected pipe. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Discard_Stream(uint16_t Length + __CALLBACK_PARAM); + + /** Writes the given number of bytes to the pipe from the given buffer in little endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearOUT() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_Stream_LE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Pipe_Write_Stream_LE(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_EStream_LE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** FLASH buffer source version of \ref Pipe_Write_Stream_LE(). + * + * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_PStream_LE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the pipe from the given buffer in big endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearOUT() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_Stream_BE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Pipe_Write_Stream_BE(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_EStream_BE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** FLASH buffer source version of \ref Pipe_Write_Stream_BE(). + * + * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_PStream_BE(const void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the pipe into the given buffer in little endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearIN() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[out] Buffer Pointer to the source data buffer to write to. + * \param[in] Length Number of bytes to read for the currently selected pipe to read from. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Read_Stream_LE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Pipe_Read_Stream_LE(). + * + * \param[out] Buffer Pointer to the source data buffer to write to. + * \param[in] Length Number of bytes to read for the currently selected pipe to read from. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Read_EStream_LE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the pipe into the given buffer in big endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearIN() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * The callback routine should be created according to the information in \ref Group_StreamCallbacks. + * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are + * disabled and this function has the Callback parameter omitted. + * + * The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[out] Buffer Pointer to the source data buffer to write to. + * \param[in] Length Number of bytes to read for the currently selected pipe to read from. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Read_Stream_BE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /** EEPROM buffer source version of \ref Pipe_Read_Stream_BE(). + * + * \param[out] Buffer Pointer to the source data buffer to write to. + * \param[in] Length Number of bytes to read for the currently selected pipe to read from. + * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Read_EStream_BE(void* Buffer, + uint16_t Length + __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h new file mode 100644 index 0000000..6001325 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h @@ -0,0 +1,692 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB standard descriptor definitions. + * + * This file contains structures and macros for the easy creation of standard USB descriptors in USB device projects. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USB + * @defgroup Group_Descriptors USB Descriptors + * + * Standard USB device descriptor defines and retrieval routines, for USB devices. This module contains + * structures and macros for the easy creation of standard USB descriptors in USB device projects. + * + * @{ + */ + +#ifndef __USBDESCRIPTORS_H__ +#define __USBDESCRIPTORS_H__ + + /* Includes: */ + #include + #include + #include + #include + + #include "../../../Common/Common.h" + #include "USBMode.h" + #include "Events.h" + + #if defined(USB_CAN_BE_DEVICE) + #include "../LowLevel/Device.h" + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Indicates that a given descriptor does not exist in the device. This can be used inside descriptors + * for string descriptor indexes, or may be use as a return value for GetDescriptor when the specified + * descriptor does not exist. + */ + #define NO_DESCRIPTOR 0 + + #if (!defined(NO_INTERNAL_SERIAL) && \ + (defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1287__) || \ + defined(__AVR_ATmega32U6__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__) || \ + defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__))) + /** String descriptor index for the device's unique serial number string descriptor within the device. + * This unique serial number is used by the host to associate resources to the device (such as drivers or COM port + * number allocations) to a device regardless of the port it is plugged in to on the host. Some USB AVRs contain + * a unique serial number internally, and setting the device descriptors serial number string index to this value + * will cause it to use the internal serial number. + * + * On unsupported devices, this will evaluate to NO_DESCRIPTOR and so will force the host to create a pseudo-serial + * number for the device. + */ + #define USE_INTERNAL_SERIAL 0xDC + #else + #define USE_INTERNAL_SERIAL NO_DESCRIPTOR + #endif + + /** Macro to calculate the power value for the configuration descriptor, from a given number of milliamperes. */ + #define USB_CONFIG_POWER_MA(mA) ((mA) >> 1) + + /** Macro to calculate the Unicode length of a string with a given number of Unicode characters. + * Should be used in string descriptor's headers for giving the string descriptor's byte length. + */ + #define USB_STRING_LEN(str) (sizeof(USB_Descriptor_Header_t) + ((str) << 1)) + + /** Macro to encode a given four digit floating point version number (e.g. 01.23) into Binary Coded + * Decimal format for descriptor fields requiring BCD encoding, such as the USB version number in the + * standard device descriptor. + */ + #define VERSION_BCD(x) ((((VERSION_TENS(x) << 4) | VERSION_ONES(x)) << 8) | \ + ((VERSION_TENTHS(x) << 4) | VERSION_HUNDREDTHS(x))) + + /** String language ID for the English language. Should be used in \ref USB_Descriptor_String_t descriptors + * to indicate that the English language is supported by the device in its string descriptors. + */ + #define LANGUAGE_ID_ENG 0x0409 + + /** \name Endpoint Address Direction Masks */ + //@{ + /** Can be masked with an endpoint address for a \ref USB_Descriptor_Endpoint_t endpoint descriptor's + * EndpointAddress value to indicate to the host that the endpoint is of the IN direction (i.e, from + * device to host). + */ + #define ENDPOINT_DESCRIPTOR_DIR_IN 0x80 + + /** Can be masked with an endpoint address for a \ref USB_Descriptor_Endpoint_t endpoint descriptor's + * EndpointAddress value to indicate to the host that the endpoint is of the OUT direction (i.e, from + * host to device). + */ + #define ENDPOINT_DESCRIPTOR_DIR_OUT 0x00 + //@} + + /** \name USB Configuration Descriptor Attribute Masks */ + //@{ + /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t + * descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power + * from the host's VBUS line. + */ + #define USB_CONFIG_ATTR_BUSPOWERED 0x80 + + /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t + * descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power + * from the device's own power source. + */ + #define USB_CONFIG_ATTR_SELFPOWERED 0x40 + + /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t + * descriptor's ConfigAttributes value to indicate that the specified configuration supports the + * remote wakeup feature of the USB standard, allowing a suspended USB device to wake up the host upon + * request. + */ + #define USB_CONFIG_ATTR_REMOTEWAKEUP 0x20 + //@} + + /** \name Endpoint Descriptor Attribute Masks */ + //@{ + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is not synchronized. + * + * \see The USB specification for more details on the possible Endpoint attributes. + */ + #define ENDPOINT_ATTR_NO_SYNC (0 << 2) + + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is asynchronous. + * + * \see The USB specification for more details on the possible Endpoint attributes. + */ + #define ENDPOINT_ATTR_ASYNC (1 << 2) + + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is adaptive. + * + * \see The USB specification for more details on the possible Endpoint attributes. + */ + #define ENDPOINT_ATTR_ADAPTIVE (2 << 2) + + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is synchronized. + * + * \see The USB specification for more details on the possible Endpoint attributes. + */ + #define ENDPOINT_ATTR_SYNC (3 << 2) + //@} + + /** \name Endpoint Descriptor Usage Masks */ + //@{ + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is used for data transfers. + * + * \see The USB specification for more details on the possible Endpoint usage attributes. + */ + #define ENDPOINT_USAGE_DATA (0 << 4) + + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is used for feedback. + * + * \see The USB specification for more details on the possible Endpoint usage attributes. + */ + #define ENDPOINT_USAGE_FEEDBACK (1 << 4) + + /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's + * Attributes value to indicate that the specified endpoint is used for implicit feedback. + * + * \see The USB specification for more details on the possible Endpoint usage attributes. + */ + #define ENDPOINT_USAGE_IMPLICIT_FEEDBACK (2 << 4) + //@} + + /* Enums: */ + /** Enum for the possible standard descriptor types, as given in each descriptor's header. */ + enum USB_DescriptorTypes_t + { + DTYPE_Device = 0x01, /**< Indicates that the descriptor is a device descriptor. */ + DTYPE_Configuration = 0x02, /**< Indicates that the descriptor is a configuration descriptor. */ + DTYPE_String = 0x03, /**< Indicates that the descriptor is a string descriptor. */ + DTYPE_Interface = 0x04, /**< Indicates that the descriptor is an interface descriptor. */ + DTYPE_Endpoint = 0x05, /**< Indicates that the descriptor is an endpoint descriptor. */ + DTYPE_DeviceQualifier = 0x06, /**< Indicates that the descriptor is a device qualifier descriptor. */ + DTYPE_Other = 0x07, /**< Indicates that the descriptor is of other type. */ + DTYPE_InterfacePower = 0x08, /**< Indicates that the descriptor is an interface power descriptor. */ + DTYPE_InterfaceAssociation = 0x0B, /**< Indicates that the descriptor is an interface association descriptor. */ + DTYPE_CSInterface = 0x24, /**< Indicates that the descriptor is a class specific interface descriptor. */ + DTYPE_CSEndpoint = 0x25, /**< Indicates that the descriptor is a class specific endpoint descriptor. */ + }; + + /** Enum for possible Class, Subclass and Protocol values of device and interface descriptors. */ + enum USB_Descriptor_ClassSubclassProtocol_t + { + USB_CSCP_NoDeviceClass = 0x00, /**< Descriptor Class value indicating that the device does not belong + * to a particular class at the device level. + */ + USB_CSCP_NoDeviceSubclass = 0x00, /**< Descriptor Subclass value indicating that the device does not belong + * to a particular subclass at the device level. + */ + USB_CSCP_NoDeviceProtocol = 0x00, /**< Descriptor Protocol value indicating that the device does not belong + * to a particular protocol at the device level. + */ + USB_CSCP_VendorSpecificClass = 0xFF, /**< Descriptor Class value indicating that the device/interface belongs + * to a vendor specific class. + */ + USB_CSCP_VendorSpecificSubclass = 0xFF, /**< Descriptor Subclass value indicating that the device/interface belongs + * to a vendor specific subclass. + */ + USB_CSCP_VendorSpecificProtocol = 0xFF, /**< Descriptor Protocol value indicating that the device/interface belongs + * to a vendor specific protocol. + */ + USB_CSCP_IADDeviceClass = 0xEF, /**< Descriptor Class value indicating that the device belongs to the + * Interface Association Descriptor class. + */ + USB_CSCP_IADDeviceSubclass = 0x02, /**< Descriptor Subclass value indicating that the device belongs to the + * Interface Association Descriptor subclass. + */ + USB_CSCP_IADDeviceProtocol = 0x01, /**< Descriptor Protocol value indicating that the device belongs to the + * Interface Association Descriptor protocol. + */ + }; + + /* Type Defines: */ + /** \brief Standard USB Descriptor Header (LUFA naming conventions). + * + * Type define for all descriptors' standard header, indicating the descriptor's length and type. This structure + * uses LUFA-specific element names to make each element's purpose clearer. + * + * \see \ref USB_StdDescriptor_Header_t for the version of this type with standard element names. + */ + typedef struct + { + uint8_t Size; /**< Size of the descriptor, in bytes. */ + uint8_t Type; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ + } USB_Descriptor_Header_t; + + /** \brief Standard USB Descriptor Header (USB-IF naming conventions). + * + * Type define for all descriptors' standard header, indicating the descriptor's length and type. This structure + * uses the relevant standard's given element names to ensure compatibility with the standard. + * + * \see \ref USB_Descriptor_Header_t for the version of this type with non-standard LUFA specific element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ + } USB_StdDescriptor_Header_t; + + /** \brief Standard USB Device Descriptor (LUFA naming conventions). + * + * Type define for a standard Device Descriptor. This structure uses LUFA-specific element names to make each + * element's purpose clearer. + * + * \see \ref USB_StdDescriptor_Device_t for the version of this type with standard element names. + */ + typedef struct + { + USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ + + uint16_t USBSpecification; /**< BCD of the supported USB specification. */ + uint8_t Class; /**< USB device class. */ + uint8_t SubClass; /**< USB device subclass. */ + uint8_t Protocol; /**< USB device protocol. */ + + uint8_t Endpoint0Size; /**< Size of the control (address 0) endpoint's bank in bytes. */ + + uint16_t VendorID; /**< Vendor ID for the USB product. */ + uint16_t ProductID; /**< Unique product ID for the USB product. */ + uint16_t ReleaseNumber; /**< Product release (version) number. */ + + uint8_t ManufacturerStrIndex; /**< String index for the manufacturer's name. The + * host will request this string via a separate + * control request for the string descriptor. + * + * \note If no string supplied, use \ref NO_DESCRIPTOR. + */ + uint8_t ProductStrIndex; /**< String index for the product name/details. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t SerialNumStrIndex; /**< String index for the product's globally unique hexadecimal + * serial number, in uppercase Unicode ASCII. + * + * \note On some AVR models, there is an embedded serial number + * in the chip which can be used for the device serial number. + * To use this serial number, set this to USE_INTERNAL_SERIAL. + * On unsupported devices, this will evaluate to 0 and will cause + * the host to generate a pseudo-unique value for the device upon + * insertion. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t NumberOfConfigurations; /**< Total number of configurations supported by + * the device. + */ + } USB_Descriptor_Device_t; + + /** \brief Standard USB Device Descriptor (USB-IF naming conventions). + * + * Type define for a standard Device Descriptor. This structure uses the relevant standard's given element names + * to ensure compatibility with the standard. + * + * \see \ref USB_Descriptor_Device_t for the version of this type with non-standard LUFA specific element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ + uint16_t bcdUSB; /**< BCD of the supported USB specification. */ + uint8_t bDeviceClass; /**< USB device class. */ + uint8_t bDeviceSubClass; /**< USB device subclass. */ + uint8_t bDeviceProtocol; /**< USB device protocol. */ + uint8_t bMaxPacketSize0; /**< Size of the control (address 0) endpoint's bank in bytes. */ + uint16_t idVendor; /**< Vendor ID for the USB product. */ + uint16_t idProduct; /**< Unique product ID for the USB product. */ + uint16_t bcdDevice; /**< Product release (version) number. */ + uint8_t iManufacturer; /**< String index for the manufacturer's name. The + * host will request this string via a separate + * control request for the string descriptor. + * + * \note If no string supplied, use \ref NO_DESCRIPTOR. + */ + uint8_t iProduct; /**< String index for the product name/details. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t iSerialNumber; /**< String index for the product's globally unique hexadecimal + * serial number, in uppercase Unicode ASCII. + * + * \note On some AVR models, there is an embedded serial number + * in the chip which can be used for the device serial number. + * To use this serial number, set this to USE_INTERNAL_SERIAL. + * On unsupported devices, this will evaluate to 0 and will cause + * the host to generate a pseudo-unique value for the device upon + * insertion. + * + * \see ManufacturerStrIndex structure entry. + */ + uint8_t bNumConfigurations; /**< Total number of configurations supported by + * the device. + */ + } USB_StdDescriptor_Device_t; + + /** \brief Standard USB Configuration Descriptor (LUFA naming conventions). + * + * Type define for a standard Configuration Descriptor header. This structure uses LUFA-specific element names + * to make each element's purpose clearer. + * + * \see \ref USB_StdDescriptor_Configuration_Header_t for the version of this type with standard element names. + */ + typedef struct + { + USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ + + uint16_t TotalConfigurationSize; /**< Size of the configuration descriptor header, + * and all sub descriptors inside the configuration. + */ + uint8_t TotalInterfaces; /**< Total number of interfaces in the configuration. */ + + uint8_t ConfigurationNumber; /**< Configuration index of the current configuration. */ + uint8_t ConfigurationStrIndex; /**< Index of a string descriptor describing the configuration. */ + + uint8_t ConfigAttributes; /**< Configuration attributes, comprised of a mask of zero or + * more USB_CONFIG_ATTR_* masks. + */ + + uint8_t MaxPowerConsumption; /**< Maximum power consumption of the device while in the + * current configuration, calculated by the \ref USB_CONFIG_POWER_MA() + * macro. + */ + } USB_Descriptor_Configuration_Header_t; + + /** \brief Standard USB Configuration Descriptor (USB-IF naming conventions). + * + * Type define for a standard Configuration Descriptor header. This structure uses the relevant standard's given element names + * to ensure compatibility with the standard. + * + * \see \ref USB_Descriptor_Device_t for the version of this type with non-standard LUFA specific element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ + uint16_t wTotalLength; /**< Size of the configuration descriptor header, + * and all sub descriptors inside the configuration. + */ + uint8_t bNumInterfaces; /**< Total number of interfaces in the configuration. */ + uint8_t bConfigurationValue; /**< Configuration index of the current configuration. */ + uint8_t iConfiguration; /**< Index of a string descriptor describing the configuration. */ + uint8_t bmAttributes; /**< Configuration attributes, comprised of a mask of zero or + * more USB_CONFIG_ATTR_* masks. + */ + uint8_t bMaxPower; /**< Maximum power consumption of the device while in the + * current configuration, calculated by the \ref USB_CONFIG_POWER_MA() + * macro. + */ + } USB_StdDescriptor_Configuration_Header_t; + + /** \brief Standard USB Interface Descriptor (LUFA naming conventions). + * + * Type define for a standard Interface Descriptor. This structure uses LUFA-specific element names + * to make each element's purpose clearer. + * + * \see \ref USB_StdDescriptor_Interface_t for the version of this type with standard element names. + */ + typedef struct + { + USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ + + uint8_t InterfaceNumber; /**< Index of the interface in the current configuration. */ + uint8_t AlternateSetting; /**< Alternate setting for the interface number. The same + * interface number can have multiple alternate settings + * with different endpoint configurations, which can be + * selected by the host. + */ + uint8_t TotalEndpoints; /**< Total number of endpoints in the interface. */ + + uint8_t Class; /**< Interface class ID. */ + uint8_t SubClass; /**< Interface subclass ID. */ + uint8_t Protocol; /**< Interface protocol ID. */ + + uint8_t InterfaceStrIndex; /**< Index of the string descriptor describing the interface. */ + } USB_Descriptor_Interface_t; + + /** \brief Standard USB Interface Descriptor (USB-IF naming conventions). + * + * Type define for a standard Interface Descriptor. This structure uses the relevant standard's given element names + * to ensure compatibility with the standard. + * + * \see \ref USB_Descriptor_Interface_t for the version of this type with non-standard LUFA specific element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ + uint8_t bInterfaceNumber; /**< Index of the interface in the current configuration. */ + uint8_t bAlternateSetting; /**< Alternate setting for the interface number. The same + * interface number can have multiple alternate settings + * with different endpoint configurations, which can be + * selected by the host. + */ + uint8_t bNumEndpoints; /**< Total number of endpoints in the interface. */ + uint8_t bInterfaceClass; /**< Interface class ID. */ + uint8_t bInterfaceSubClass; /**< Interface subclass ID. */ + uint8_t bInterfaceProtocol; /**< Interface protocol ID. */ + uint8_t iInterface; /**< Index of the string descriptor describing the + * interface. + */ + } USB_StdDescriptor_Interface_t; + + /** \brief Standard USB Interface Association Descriptor (LUFA naming conventions). + * + * Type define for a standard Interface Association Descriptor. This structure uses LUFA-specific element names + * to make each element's purpose clearer. + * + * This descriptor has been added as a supplement to the USB2.0 standard, in the ECN located at + * http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf. It allows composite + * devices with multiple interfaces related to the same function to have the multiple interfaces bound + * together at the point of enumeration, loading one generic driver for all the interfaces in the single + * function. Read the ECN for more information. + * + * \see \ref USB_StdDescriptor_Interface_Association_t for the version of this type with standard element names. + */ + typedef struct + { + USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ + + uint8_t FirstInterfaceIndex; /**< Index of the first associated interface. */ + uint8_t TotalInterfaces; /**< Total number of associated interfaces. */ + + uint8_t Class; /**< Interface class ID. */ + uint8_t SubClass; /**< Interface subclass ID. */ + uint8_t Protocol; /**< Interface protocol ID. */ + + uint8_t IADStrIndex; /**< Index of the string descriptor describing the + * interface association. + */ + } USB_Descriptor_Interface_Association_t; + + /** \brief Standard USB Interface Association Descriptor (USB-IF naming conventions). + * + * Type define for a standard Interface Association Descriptor. This structure uses the relevant standard's given + * element names to ensure compatibility with the standard. + * + * This descriptor has been added as a supplement to the USB2.0 standard, in the ECN located at + * http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf. It allows composite + * devices with multiple interfaces related to the same function to have the multiple interfaces bound + * together at the point of enumeration, loading one generic driver for all the interfaces in the single + * function. Read the ECN for more information. + * + * \see \ref USB_Descriptor_Interface_Association_t for the version of this type with non-standard LUFA specific + * element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value + * given by the specific class. + */ + uint8_t bFirstInterface; /**< Index of the first associated interface. */ + uint8_t bInterfaceCount; /**< Total number of associated interfaces. */ + uint8_t bFunctionClass; /**< Interface class ID. */ + uint8_t bFunctionSubClass; /**< Interface subclass ID. */ + uint8_t bFunctionProtocol; /**< Interface protocol ID. */ + uint8_t iFunction; /**< Index of the string descriptor describing the + * interface association. + */ + } USB_StdDescriptor_Interface_Association_t; + + /** \brief Standard USB Endpoint Descriptor (LUFA naming conventions). + * + * Type define for a standard Endpoint Descriptor. This structure uses LUFA-specific element names + * to make each element's purpose clearer. + * + * \see \ref USB_StdDescriptor_Endpoint_t for the version of this type with standard element names. + */ + typedef struct + { + USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ + + uint8_t EndpointAddress; /**< Logical address of the endpoint within the device for the current + * configuration, including direction mask. + */ + uint8_t Attributes; /**< Endpoint attributes, comprised of a mask of the endpoint type (EP_TYPE_*) + * and attributes (ENDPOINT_ATTR_*) masks. + */ + uint16_t EndpointSize; /**< Size of the endpoint bank, in bytes. This indicates the maximum packet + * size that the endpoint can receive at a time. + */ + uint8_t PollingIntervalMS; /**< Polling interval in milliseconds for the endpoint if it is an INTERRUPT + * or ISOCHRONOUS type. + */ + } USB_Descriptor_Endpoint_t; + + /** \brief Standard USB Endpoint Descriptor (USB-IF naming conventions). + * + * Type define for a standard Endpoint Descriptor. This structure uses the relevant standard's given + * element names to ensure compatibility with the standard. + * + * \see \ref USB_Descriptor_Endpoint_t for the version of this type with non-standard LUFA specific + * element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a + * value given by the specific class. + */ + uint8_t bEndpointAddress; /**< Logical address of the endpoint within the device for the current + * configuration, including direction mask. + */ + uint8_t bmAttributes; /**< Endpoint attributes, comprised of a mask of the endpoint type (EP_TYPE_*) + * and attributes (ENDPOINT_ATTR_*) masks. + */ + uint16_t wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the maximum packet size + * that the endpoint can receive at a time. + */ + uint8_t bInterval; /**< Polling interval in milliseconds for the endpoint if it is an INTERRUPT or + * ISOCHRONOUS type. + */ + } USB_StdDescriptor_Endpoint_t; + + /** \brief Standard USB String Descriptor (LUFA naming conventions). + * + * Type define for a standard string descriptor. Unlike other standard descriptors, the length + * of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN() + * macro rather than by the size of the descriptor structure, as the length is not fixed. + * + * This structure should also be used for string index 0, which contains the supported language IDs for + * the device as an array. + * + * This structure uses LUFA-specific element names to make each element's purpose clearer. + * + * \see \ref USB_StdDescriptor_String_t for the version of this type with standard element names. + */ + typedef struct + { + USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */ + + wchar_t UnicodeString[]; /**< String data, as unicode characters (alternatively, + * string language IDs). If normal ASCII characters are + * to be used, they must be added as an array of characters + * rather than a normal C string so that they are widened to + * Unicode size. + * + * Under GCC, strings prefixed with the "L" character (before + * the opening string quotation mark) are considered to be + * Unicode strings, and may be used instead of an explicit + * array of ASCII characters. + */ + } USB_Descriptor_String_t; + + /** \brief Standard USB String Descriptor (USB-IF naming conventions). + * + * Type define for a standard string descriptor. Unlike other standard descriptors, the length + * of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN() + * macro rather than by the size of the descriptor structure, as the length is not fixed. + * + * This structure should also be used for string index 0, which contains the supported language IDs for + * the device as an array. + * + * This structure uses the relevant standard's given element names to ensure compatibility with the standard. + * + * \see \ref USB_Descriptor_String_t for the version of this type with with non-standard LUFA specific + * element names. + */ + typedef struct + { + uint8_t bLength; /**< Size of the descriptor, in bytes. */ + uint8_t bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t + * or a value given by the specific class. + */ + int16_t bString[]; /**< String data, as unicode characters (alternatively, string language IDs). + * If normal ASCII characters are to be used, they must be added as an array + * of characters rather than a normal C string so that they are widened to + * Unicode size. + * + * Under GCC, strings prefixed with the "L" character (before the opening string + * quotation mark) are considered to be Unicode strings, and may be used instead + * of an explicit array of ASCII characters. + */ + } USB_StdDescriptor_String_t; + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define VERSION_TENS(x) (int)((x) / 10) + #define VERSION_ONES(x) (int)((x) - (10 * VERSION_TENS(x))) + #define VERSION_TENTHS(x) (int)(((x) - (int)(x)) * 10) + #define VERSION_HUNDREDTHS(x) (int)((((x) - (int)(x)) * 100) - (10 * VERSION_TENTHS(x))) + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/StdRequestType.h b/LUFA/Drivers/USB/HighLevel/StdRequestType.h new file mode 100644 index 0000000..7c18ead --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/StdRequestType.h @@ -0,0 +1,247 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB control endpoint request definitions. + * + * This file contains structures and macros for the easy creation and parsing of standard USB control requests. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USB + * @defgroup Group_StdRequest Standard USB Requests + * + * This module contains definitions for the various control request parameters, so that the request + * details (such as data direction, request recipient, etc.) can be extracted via masking. + * + * @{ + */ + +#ifndef __STDREQTYPE_H__ +#define __STDREQTYPE_H__ + + /* Includes: */ + #include + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Mask for the request type parameter, to indicate the direction of the request data (Host to Device + * or Device to Host). The result of this mask should then be compared to the request direction masks. + * + * \see REQDIR_* macros for masks indicating the request data direction. + */ + #define CONTROL_REQTYPE_DIRECTION 0x80 + + /** Mask for the request type parameter, to indicate the type of request (Device, Class or Vendor + * Specific). The result of this mask should then be compared to the request type masks. + * + * \see REQTYPE_* macros for masks indicating the request type. + */ + #define CONTROL_REQTYPE_TYPE 0x60 + + /** Mask for the request type parameter, to indicate the recipient of the request (Standard, Class + * or Vendor Specific). The result of this mask should then be compared to the request recipient + * masks. + * + * \see REQREC_* macros for masks indicating the request recipient. + */ + #define CONTROL_REQTYPE_RECIPIENT 0x1F + + /** \name Control Request Data Direction Masks */ + //@{ + /** Request data direction mask, indicating that the request data will flow from host to device. + * + * \see \ref CONTROL_REQTYPE_DIRECTION macro. + */ + #define REQDIR_HOSTTODEVICE (0 << 7) + + /** Request data direction mask, indicating that the request data will flow from device to host. + * + * \see \ref CONTROL_REQTYPE_DIRECTION macro. + */ + #define REQDIR_DEVICETOHOST (1 << 7) + //@} + + /** \name Control Request Type Masks */ + //@{ + /** Request type mask, indicating that the request is a standard request. + * + * \see \ref CONTROL_REQTYPE_TYPE macro. + */ + #define REQTYPE_STANDARD (0 << 5) + + /** Request type mask, indicating that the request is a class-specific request. + * + * \see \ref CONTROL_REQTYPE_TYPE macro. + */ + #define REQTYPE_CLASS (1 << 5) + + /** Request type mask, indicating that the request is a vendor specific request. + * + * \see \ref CONTROL_REQTYPE_TYPE macro. + */ + #define REQTYPE_VENDOR (2 << 5) + //@} + + /** \name Control Request Recipient Masks */ + //@{ + /** Request recipient mask, indicating that the request is to be issued to the device as a whole. + * + * \see \ref CONTROL_REQTYPE_RECIPIENT macro. + */ + #define REQREC_DEVICE (0 << 0) + + /** Request recipient mask, indicating that the request is to be issued to an interface in the + * currently selected configuration. + * + * \see \ref CONTROL_REQTYPE_RECIPIENT macro. + */ + #define REQREC_INTERFACE (1 << 0) + + /** Request recipient mask, indicating that the request is to be issued to an endpoint in the + * currently selected configuration. + * + * \see \ref CONTROL_REQTYPE_RECIPIENT macro. + */ + #define REQREC_ENDPOINT (2 << 0) + + /** Request recipient mask, indicating that the request is to be issued to an unspecified element + * in the currently selected configuration. + * + * \see \ref CONTROL_REQTYPE_RECIPIENT macro. + */ + #define REQREC_OTHER (3 << 0) + //@} + + /* Type Defines: */ + /** \brief Standard USB Control Request + * + * Type define for a standard USB control request. + * + * \see The USB 2.0 specification for more information on standard control requests. + */ + typedef struct + { + uint8_t bmRequestType; /**< Type of the request. */ + uint8_t bRequest; /**< Request command code. */ + uint16_t wValue; /**< wValue parameter of the request. */ + uint16_t wIndex; /**< wIndex parameter of the request. */ + uint16_t wLength; /**< Length of the data to transfer in bytes. */ + } USB_Request_Header_t; + + /* Enums: */ + /** Enumeration for the various standard request commands. These commands are applicable when the + * request type is \ref REQTYPE_STANDARD (with the exception of \ref REQ_GetDescriptor, which is always + * handled regardless of the request type value). + * + * \see Chapter 9 of the USB 2.0 Specification. + */ + enum USB_Control_Request_t + { + REQ_GetStatus = 0, /**< Implemented in the library for device, endpoint and interface + * recipients. Passed to the user application for other recipients + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_ClearFeature = 1, /**< Implemented in the library for device, endpoint and interface + * recipients. Passed to the user application for other recipients + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_SetFeature = 3, /**< Implemented in the library for device, endpoint and interface + * recipients. Passed to the user application for other recipients + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_SetAddress = 5, /**< Implemented in the library for the device recipient. Passed + * to the user application for other recipients via the + * \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_GetDescriptor = 6, /**< Implemented in the library for device and interface recipients. Passed to the + * user application for other recipients via the + * \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_SetDescriptor = 7, /**< Not implemented in the library, passed to the user application + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_GetConfiguration = 8, /**< Implemented in the library for the device recipient. Passed + * to the user application for other recipients via the + * \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_SetConfiguration = 9, /**< Implemented in the library for the device recipient. Passed + * to the user application for other recipients via the + * \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_GetInterface = 10, /**< Not implemented in the library, passed to the user application + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_SetInterface = 11, /**< Not implemented in the library, passed to the user application + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + REQ_SynchFrame = 12, /**< Not implemented in the library, passed to the user application + * via the \ref EVENT_USB_Device_ControlRequest() event when received in + * device mode. */ + }; + + /** Feature Selector values for Set Feature and Clear Feature standard control requests directed to the device, interface + * and endpoint recipients. + */ + enum USB_Feature_Selectors_t + { + FEATURE_SEL_EndpointHalt = 0x00, /**< Feature selector for Clear Feature or Set Feature commands. When + * used in a Set Feature or Clear Feature request this indicates that an + * endpoint (whose address is given elsewhere in the request should have + * its stall condition changed. + */ + FEATURE_SEL_DeviceRemoteWakeup = 0x01, /**< Feature selector for Device level Remote Wakeup enable set or clear. + * This feature can be controlled by the host on devices which indicate + * remote wakeup support in their descriptors to selectively disable or + * enable remote wakeup. + */ + FEATURE_SEL_TestMode = 0x02, /**< Feature selector for Test Mode features, used to test the USB controller + * to check for incorrect operation. + */ + }; + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define FEATURE_SELFPOWERED_ENABLED (1 << 0) + #define FEATURE_REMOTE_WAKEUP_ENABLED (1 << 1) + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h b/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h new file mode 100644 index 0000000..6109de5 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h @@ -0,0 +1,87 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB endpoint/pipe stream callback management. + * + * This file contains definitions for the creation of optional callback routines which can be passed to the + * endpoint and/or pipe stream APIs, to abort the transfer currently in progress when a condition is met. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USB + * @defgroup Group_StreamCallbacks Endpoint and Pipe Stream Callbacks + * + * Macros and enums for the stream callback routines. This module contains the code required to easily set up + * stream callback functions which can be used to force early abort of a stream read/write process. Each callback + * should take no arguments, and return a value from the \ref StreamCallback_Return_ErrorCodes_t enum. + * + * @{ + */ + +#ifndef __STREAMCALLBACK_H__ +#define __STREAMCALLBACK_H__ + + /* Includes: */ + #include + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Used with the Endpoint and Pipe stream functions as the callback function parameter, indicating that the stream + * call has no callback function to be called between USB packets. + */ + #define NO_STREAM_CALLBACK NULL + + /* Enums: */ + /** Enum for the possible error return codes of a stream callback function. */ + enum StreamCallback_Return_ErrorCodes_t + { + STREAMCALLBACK_Continue = 0, /**< Continue sending or receiving the stream. */ + STREAMCALLBACK_Abort = 1, /**< Abort the stream send or receiving process. */ + }; + + /* Type Defines: */ + /** Type define for a Stream Callback function (function taking no arguments and retuning a + * uint8_t value). Stream callback functions should have an identical function signature if they + * are to be used as the callback parameter of the stream functions. + */ + typedef uint8_t (* const StreamCallbackPtr_t)(void); + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c new file mode 100644 index 0000000..893a390 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_R.c @@ -0,0 +1,48 @@ +uint8_t TEMPLATE_FUNC_NAME (void* Buffer, + uint16_t Length) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + + if (!(Length)) + Endpoint_ClearOUT(); + + while (Length) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + else if (Endpoint_IsSETUPReceived()) + return ENDPOINT_RWCSTREAM_HostAborted; + + if (Endpoint_IsOUTReceived()) + { + while (Length && Endpoint_BytesInEndpoint()) + { + TEMPLATE_TRANSFER_BYTE(DataStream); + Length--; + } + + Endpoint_ClearOUT(); + } + } + + while (!(Endpoint_IsINReady())) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + } + + return ENDPOINT_RWCSTREAM_NoError; +} + + +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_TRANSFER_BYTE diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c new file mode 100644 index 0000000..1bc550f --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c @@ -0,0 +1,56 @@ +uint8_t TEMPLATE_FUNC_NAME (const void* Buffer, + uint16_t Length) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + bool LastPacketFull = false; + + if (Length > USB_ControlRequest.wLength) + Length = USB_ControlRequest.wLength; + else if (!(Length)) + Endpoint_ClearIN(); + + while (Length || LastPacketFull) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + else if (Endpoint_IsSETUPReceived()) + return ENDPOINT_RWCSTREAM_HostAborted; + else if (Endpoint_IsOUTReceived()) + break; + + if (Endpoint_IsINReady()) + { + uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint(); + + while (Length && (BytesInEndpoint < USB_ControlEndpointSize)) + { + TEMPLATE_TRANSFER_BYTE(DataStream); + Length--; + BytesInEndpoint++; + } + + LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize); + Endpoint_ClearIN(); + } + } + + while (!(Endpoint_IsOUTReceived())) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + } + + return ENDPOINT_RWCSTREAM_NoError; +} + +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_TRANSFER_BYTE diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c new file mode 100644 index 0000000..a1a1e4b --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c @@ -0,0 +1,79 @@ +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer, + uint16_t Length + __CALLBACK_PARAM) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + uint8_t ErrorCode; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + #if defined(FAST_STREAM_TRANSFERS) + uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07); + + if (Length >= 8) + { + Length -= BytesRemToAlignment; + + switch (BytesRemToAlignment) + { + default: + do + { + if (!(Endpoint_IsReadWriteAllowed())) + { + TEMPLATE_CLEAR_ENDPOINT(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return ENDPOINT_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + + Length -= 8; + + TEMPLATE_TRANSFER_BYTE(DataStream); + case 7: TEMPLATE_TRANSFER_BYTE(DataStream); + case 6: TEMPLATE_TRANSFER_BYTE(DataStream); + case 5: TEMPLATE_TRANSFER_BYTE(DataStream); + case 4: TEMPLATE_TRANSFER_BYTE(DataStream); + case 3: TEMPLATE_TRANSFER_BYTE(DataStream); + case 2: TEMPLATE_TRANSFER_BYTE(DataStream); + case 1: TEMPLATE_TRANSFER_BYTE(DataStream); + } while (Length >= 8); + } + } + #endif + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + TEMPLATE_CLEAR_ENDPOINT(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return ENDPOINT_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + TEMPLATE_TRANSFER_BYTE(DataStream); + Length--; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_BUFFER_TYPE +#undef TEMPLATE_TRANSFER_BYTE +#undef TEMPLATE_CLEAR_ENDPOINT +#undef TEMPLATE_BUFFER_OFFSET diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c new file mode 100644 index 0000000..3f8d91f --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c @@ -0,0 +1,83 @@ +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer, + uint16_t Length + __CALLBACK_PARAM) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + uint8_t ErrorCode; + + Pipe_SetPipeToken(TEMPLATE_TOKEN); + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + + #if defined(FAST_STREAM_TRANSFERS) + uint8_t BytesRemToAlignment = (Pipe_BytesInPipe() & 0x07); + + if (Length >= 8) + { + Length -= BytesRemToAlignment; + + switch (BytesRemToAlignment) + { + default: + do + { + if (!(Pipe_IsReadWriteAllowed())) + { + TEMPLATE_CLEAR_PIPE(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return PIPE_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + + Length -= 8; + + TEMPLATE_TRANSFER_BYTE(DataStream); + case 7: TEMPLATE_TRANSFER_BYTE(DataStream); + case 6: TEMPLATE_TRANSFER_BYTE(DataStream); + case 5: TEMPLATE_TRANSFER_BYTE(DataStream); + case 4: TEMPLATE_TRANSFER_BYTE(DataStream); + case 3: TEMPLATE_TRANSFER_BYTE(DataStream); + case 2: TEMPLATE_TRANSFER_BYTE(DataStream); + case 1: TEMPLATE_TRANSFER_BYTE(DataStream); + } while (Length >= 8); + } + } + #endif + + while (Length) + { + if (!(Pipe_IsReadWriteAllowed())) + { + TEMPLATE_CLEAR_PIPE(); + + #if !defined(NO_STREAM_CALLBACKS) + if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) + return PIPE_RWSTREAM_CallbackAborted; + #endif + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + else + { + TEMPLATE_TRANSFER_BYTE(DataStream); + Length--; + } + } + + return PIPE_RWSTREAM_NoError; +} + +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_BUFFER_TYPE +#undef TEMPLATE_TOKEN +#undef TEMPLATE_TRANSFER_BYTE +#undef TEMPLATE_CLEAR_PIPE +#undef TEMPLATE_BUFFER_OFFSET + diff --git a/LUFA/Drivers/USB/HighLevel/USBMode.h b/LUFA/Drivers/USB/HighLevel/USBMode.h new file mode 100644 index 0000000..09d3631 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/USBMode.h @@ -0,0 +1,138 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB mode and capability macros. + * + * This file defines macros indicating the type of USB controller the library is being compiled for, and its + * capabilities. These macros may then be referenced in the user application to selectively enable or disable + * code sections depending on if they are defined or not. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USB + * @defgroup Group_USBMode USB Mode Tokens + * + * After the inclusion of the master USB driver header, one or more of the following + * tokens may be defined, to allow the user code to conditionally enable or disable + * code based on the USB controller family and allowable USB modes. These tokens may + * be tested against to eliminate code relating to a USB mode which is not enabled for + * the given compilation. + * + * @{ + */ + +#ifndef __USBMODE_H__ +#define __USBMODE_H__ + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + #if defined(__DOXYGEN__) + /** Indicates that the target AVR microcontroller belongs to the Series 2 USB controller + * (i.e. AT90USBxxx2 or ATMEGAxxU2) when defined. + */ + #define USB_SERIES_2_AVR + + /** Indicates that the target AVR microcontroller belongs to the Series 4 USB controller + * (i.e. ATMEGAxxU4) when defined. + */ + #define USB_SERIES_4_AVR + + /** Indicates that the target AVR microcontroller belongs to the Series 6 USB controller + * (i.e. AT90USBxxx6) when defined. + */ + #define USB_SERIES_6_AVR + + /** Indicates that the target AVR microcontroller belongs to the Series 7 USB controller + * (i.e. AT90USBxxx7) when defined. + */ + #define USB_SERIES_7_AVR + + /** Indicates that the target AVR microcontroller and compilation settings allow for the + * target to be configured in USB Device mode when defined. + */ + #define USB_CAN_BE_DEVICE + + /** Indicates that the target AVR microcontroller and compilation settings allow for the + * target to be configured in USB Host mode when defined. + */ + #define USB_CAN_BE_HOST + + /** Indicates that the target AVR microcontroller and compilation settings allow for the + * target to be configured in either USB Device or Host mode when defined. + */ + #define USB_CAN_BE_BOTH + #else + /* Macros: */ + #if (defined(__AVR_AT90USB162__) || defined(__AVR_AT90USB82__) || \ + defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__)) + #define USB_SERIES_2_AVR + #elif (defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega16U4__)) + #define USB_SERIES_4_AVR + #elif (defined(__AVR_ATmega32U6__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)) + #define USB_SERIES_6_AVR + #elif (defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1287__)) + #define USB_SERIES_7_AVR + #endif + + #if !defined(USB_SERIES_7_AVR) + #if defined(USB_HOST_ONLY) + #error USB_HOST_ONLY is not available for the currently selected USB AVR model. + #endif + + #if !defined(USB_DEVICE_ONLY) + #define USB_DEVICE_ONLY + #endif + #endif + + #if (!defined(USB_DEVICE_ONLY) && !defined(USB_HOST_ONLY)) + #define USB_CAN_BE_BOTH + #define USB_CAN_BE_HOST + #define USB_CAN_BE_DEVICE + #elif defined(USB_HOST_ONLY) + #define USB_CAN_BE_HOST + #elif defined(USB_DEVICE_ONLY) + #define USB_CAN_BE_DEVICE + #endif + + #if (defined(USB_HOST_ONLY) && defined(USB_DEVICE_ONLY)) + #error USB_HOST_ONLY and USB_DEVICE_ONLY are mutually exclusive. + #endif + #endif + +#endif + +/** @} */ diff --git a/LUFA/Drivers/USB/HighLevel/USBTask.c b/LUFA/Drivers/USB/HighLevel/USBTask.c new file mode 100644 index 0000000..6967283 --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/USBTask.c @@ -0,0 +1,89 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USBTASK_C +#define __INCLUDE_FROM_USB_DRIVER +#include "USBTask.h" + +volatile bool USB_IsInitialized; +USB_Request_Header_t USB_ControlRequest; + +#if defined(USB_CAN_BE_HOST) && !defined(HOST_STATE_AS_GPIOR) +volatile uint8_t USB_HostState; +#endif + +#if defined(USB_CAN_BE_DEVICE) && !defined(DEVICE_STATE_AS_GPIOR) +volatile uint8_t USB_DeviceState; +#endif + +void USB_USBTask(void) +{ + #if defined(USB_HOST_ONLY) + USB_HostTask(); + #elif defined(USB_DEVICE_ONLY) + USB_DeviceTask(); + #else + if (USB_CurrentMode == USB_MODE_Device) + USB_DeviceTask(); + else if (USB_CurrentMode == USB_MODE_Host) + USB_HostTask(); + #endif +} + +#if defined(USB_CAN_BE_DEVICE) +static void USB_DeviceTask(void) +{ + if (USB_DeviceState != DEVICE_STATE_Unattached) + { + uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint(); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + + if (Endpoint_IsSETUPReceived()) + USB_Device_ProcessControlRequest(); + + Endpoint_SelectEndpoint(PrevEndpoint); + } +} +#endif + +#if defined(USB_CAN_BE_HOST) +static void USB_HostTask(void) +{ + uint8_t PrevPipe = Pipe_GetCurrentPipe(); + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + USB_Host_ProcessNextHostState(); + + Pipe_SelectPipe(PrevPipe); +} +#endif + diff --git a/LUFA/Drivers/USB/HighLevel/USBTask.h b/LUFA/Drivers/USB/HighLevel/USBTask.h new file mode 100644 index 0000000..0af39bf --- /dev/null +++ b/LUFA/Drivers/USB/HighLevel/USBTask.h @@ -0,0 +1,206 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Main USB service task management. + * + * This file contains the function definitions required for the main USB service task, which must be called + * from the user application to ensure that the USB connection to or from a connected USB device is maintained. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +#ifndef __USBTASK_H__ +#define __USBTASK_H__ + + /* Includes: */ + #include + #include + #include + + #include "../LowLevel/USBController.h" + #include "Events.h" + #include "StdRequestType.h" + #include "StdDescriptors.h" + #include "USBMode.h" + + #if defined(USB_CAN_BE_DEVICE) + #include "DeviceStandardReq.h" + #endif + + #if defined(USB_CAN_BE_HOST) + #include "HostStandardReq.h" + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Global Variables: */ + /** Indicates if the USB interface is currently initialized but not necessarily connected to a host + * or device (i.e. if \ref USB_Init() has been run). If this is false, all other library globals related + * to the USB driver are invalid. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + * + * \ingroup Group_USBManagement + */ + extern volatile bool USB_IsInitialized; + + /** Structure containing the last received Control request when in Device mode (for use in user-applications + * inside of the \ref EVENT_USB_Device_ControlRequest() event, or for filling up with a control request to + * issue when in Host mode before calling \ref USB_Host_SendControlRequest(). + * + * \ingroup Group_USBManagement + */ + extern USB_Request_Header_t USB_ControlRequest; + + #if defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__) + #if !defined(HOST_STATE_AS_GPIOR) || defined(__DOXYGEN__) + /** Indicates the current host state machine state. When in host mode, this indicates the state + * via one of the values of the \ref USB_Host_States_t enum values. + * + * This value may be altered by the user application to implement the \ref HOST_STATE_Addressed, + * \ref HOST_STATE_Configured and \ref HOST_STATE_Suspended states which are not implemented by + * the library internally. + * + * To reduce program size and speed up checks of this global, it can be placed into one of the AVR's + * GPIOR hardware registers instead of RAM by defining the HOST_STATE_AS_GPIOR token to a value + * between 0 and 2 in the project makefile and passing it to the compiler via the -D switch. When + * defined, the corresponding GPIOR register should not be used in the user application except + * implicitly via the library APIs. + * + * \note This global is only present if the user application can be a USB host. + * + * \see \ref USB_Host_States_t for a list of possible device states. + * + * \ingroup Group_Host + */ + extern volatile uint8_t USB_HostState; + #else + #define _GET_HOST_GPIOR_NAME2(y) GPIOR ## y + #define _GET_HOST_GPIOR_NAME(x) _GET_HOST_GPIOR_NAME2(x) + #define USB_HostState _GET_HOST_GPIOR_NAME(HOST_STATE_AS_GPIOR) + #endif + #endif + + #if defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__) + #if !defined(DEVICE_STATE_AS_GPIOR) || defined(__DOXYGEN__) + /** Indicates the current device state machine state. When in device mode, this indicates the state + * via one of the values of the \ref USB_Device_States_t enum values. + * + * This value should not be altered by the user application as it is handled automatically by the + * library. The only exception to this rule is if the NO_LIMITED_CONTROLLER_CONNECT token is used + * (see \ref EVENT_USB_Device_Connect() and \ref EVENT_USB_Device_Disconnect() events). + * + * To reduce program size and speed up checks of this global, it can be placed into one of the AVR's + * GPIOR hardware registers instead of RAM by defining the DEVICE_STATE_AS_GPIOR token to a value + * between 0 and 2 in the project makefile and passing it to the compiler via the -D switch. When + * defined, the corresponding GPIOR register should not be used in the user application except + * implicitly via the library APIs. + * + * \note This global is only present if the user application can be a USB device. + * \n\n + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value except in the circumstances outlined above. + * + * \see \ref USB_Device_States_t for a list of possible device states. + * + * \ingroup Group_Device + */ + extern volatile uint8_t USB_DeviceState; + #else + #define _GET_DEVICE_GPIOR_NAME2(y) GPIOR ## y + #define _GET_DEVICE_GPIOR_NAME(x) _GET_DEVICE_GPIOR_NAME2(x) + #define USB_DeviceState _GET_DEVICE_GPIOR_NAME(DEVICE_STATE_AS_GPIOR) + #endif + #endif + + /* Function Prototypes: */ + /** This is the main USB management task. The USB driver requires this task to be executed + * continuously when the USB system is active (device attached in host mode, or attached to a host + * in device mode) in order to manage USB communications. This task may be executed inside an RTOS, + * fast timer ISR or the main user application loop. + * + * The USB task must be serviced within 30ms while in device mode, or within 1ms while in host mode. + * The task may be serviced at all times, or (for minimum CPU consumption): + * + * - In device mode, it may be disabled at start-up, enabled on the firing of the \ref EVENT_USB_Device_Connect() + * event and disabled again on the firing of the \ref EVENT_USB_Device_Disconnect() event. + * + * - In host mode, it may be disabled at start-up, enabled on the firing of the \ref EVENT_USB_Host_DeviceAttached() + * event and disabled again on the firing of the \ref EVENT_USB_Host_DeviceEnumerationComplete() or + * \ref EVENT_USB_Host_DeviceEnumerationFailed() events. + * + * If in device mode (only), the control endpoint can instead be managed via interrupts entirely by the library + * by defining the INTERRUPT_CONTROL_ENDPOINT token and passing it to the compiler via the -D switch. + * + * \see \ref Group_Events for more information on the USB events. + * + * \ingroup Group_USBManagement + */ + void USB_USBTask(void); + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_USBTASK_C) + #if defined(USB_CAN_BE_HOST) + static void USB_HostTask(void); + #endif + + #if defined(USB_CAN_BE_DEVICE) + static void USB_DeviceTask(void); + #endif + #endif + + /* Macros: */ + #define HOST_TASK_NONBLOCK_WAIT(Duration, NextState) MACROS{ USB_HostState = HOST_STATE_WaitForDevice; \ + WaitMSRemaining = (Duration); \ + PostWaitState = (NextState); }MACROE + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + -- cgit v1.2.3