From d0703775221dc25613f6b81cbe151b54db6cc66c Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Sun, 25 Mar 2012 17:46:26 +0200 Subject: Board, rev A. --- firmware/LUFA/Drivers/USB/Class/Host/HID.h | 316 +++++++++++++++++++++++++++++ 1 file changed, 316 insertions(+) create mode 100644 firmware/LUFA/Drivers/USB/Class/Host/HID.h (limited to 'firmware/LUFA/Drivers/USB/Class/Host/HID.h') diff --git a/firmware/LUFA/Drivers/USB/Class/Host/HID.h b/firmware/LUFA/Drivers/USB/Class/Host/HID.h new file mode 100644 index 0000000..200cbda --- /dev/null +++ b/firmware/LUFA/Drivers/USB/Class/Host/HID.h @@ -0,0 +1,316 @@ +/* + 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 Host mode driver for the library USB HID Class driver. + * + * Host mode driver for the library USB HID Class driver. + * + * \note This file should not be included directly. It is automatically included as needed by the USB module driver + * dispatch header located in LUFA/Drivers/USB.h. + */ + +/** \ingroup Group_USBClassHID + * @defgroup Group_USBClassHIDHost HID Class Host Mode Driver + * + * \section Sec_Dependencies Module Source Dependencies + * The following files must be built with any user project that uses this module: + * - LUFA/Drivers/USB/Class/Host/HID.c (Makefile source module name: LUFA_SRC_USBCLASS) + * - LUFA/Drivers/USB/Class/Host/HIDParser.c (Makefile source module name: LUFA_SRC_USB) + * + * \section Module Description + * Host Mode USB Class driver framework interface, for the HID USB Class driver. + * + * @{ + */ + +#ifndef __HID_CLASS_HOST_H__ +#define __HID_CLASS_HOST_H__ + + /* Includes: */ + #include "../../USB.h" + #include "../Common/HID.h" + #include "HIDParser.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_HID_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB.h instead. + #endif + + #if defined(__INCLUDE_FROM_HID_HOST_C) && defined(NO_STREAM_CALLBACKS) + #error The NO_STREAM_CALLBACKS compile time option cannot be used in projects using the library Class drivers. + #endif + + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Error code for some HID Host functions, indicating a logical (and not hardware) error. */ + #define HID_ERROR_LOGICAL 0x80 + + /* Type Defines: */ + /** \brief HID Class Host Mode Configuration and State Structure. + * + * Class state structure. An instance of this structure should be made within the user application, + * and passed to each of the HID class driver functions as the HIDInterfaceInfo parameter. This + * stores each HID interface's configuration and state information. + */ + typedef struct + { + const struct + { + uint8_t DataINPipeNumber; /**< Pipe number of the HID interface's IN data pipe. */ + bool DataINPipeDoubleBank; /**< Indicates if the HID interface's IN data pipe should use double banking. */ + + uint8_t DataOUTPipeNumber; /**< Pipe number of the HID interface's OUT data pipe. */ + bool DataOUTPipeDoubleBank; /**< Indicates if the HID interface's OUT data pipe should use double banking. */ + + uint8_t HIDInterfaceProtocol; /**< HID interface protocol value to match against if a specific + * boot subclass protocol is required, a protocol value from the + * \ref HID_Descriptor_ClassSubclassProtocol_t enum. + */ + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + HID_ReportInfo_t* HIDParserData; /**< HID parser data to store the parsed HID report data, when boot protocol + * is not used. + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, + * this method is unavailable. + */ + #endif + } Config; /**< Config data for the USB class interface within the device. All elements in this section + * must be set or the interface will fail to enumerate and operate correctly. + */ + struct + { + bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid + * after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the + * Configured state. + */ + uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device. */ + + uint16_t DataINPipeSize; /**< Size in bytes of the HID interface's IN data pipe. */ + uint16_t DataOUTPipeSize; /**< Size in bytes of the HID interface's OUT data pipe. */ + + bool SupportsBootProtocol; /**< Indicates if the current interface instance supports the HID Boot + * Protocol when enabled via \ref HID_Host_SetBootProtocol(). + */ + bool DeviceUsesOUTPipe; /**< Indicates if the current interface instance uses a separate OUT data pipe for + * OUT reports, or if OUT reports are sent via the control pipe instead. + */ + bool UsingBootProtocol; /**< Indicates that the interface is currently initialized in Boot Protocol mode */ + uint16_t HIDReportSize; /**< Size in bytes of the HID report descriptor in the device. */ + + uint8_t LargestReportSize; /**< Largest report the device will send, in bytes. */ + } State; /**< State data for the USB class interface within the device. All elements in this section + * may be set to initial values, but may also be ignored to default to sane values when + * the interface is enumerated. + */ + } USB_ClassInfo_HID_Host_t; + + /* Enums: */ + /** Enum for the possible error codes returned by the \ref HID_Host_ConfigurePipes() function. */ + enum HID_Host_EnumerationFailure_ErrorCodes_t + { + HID_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */ + HID_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */ + HID_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible HID interface was not found in the device's Configuration Descriptor. */ + }; + + /* Function Prototypes: */ + /** Host interface configuration routine, to configure a given HID host interface instance using the Configuration + * Descriptor read from an attached USB device. This function automatically updates the given HID Host instance's + * state values and configures the pipes required to communicate with the interface if it is found within the + * device. This should be called once after the stack has enumerated the attached device, while the host state + * machine is in the Addressed state. + * + * \note The pipe index numbers as given in the interface's configuration structure must not overlap with any other + * interface, or pipe bank corruption will occur. Gaps in the allocated pipe numbers or non-sequential indexes + * within a single interface is allowed, but no two interfaces of any type have have interleaved pipe indexes. + * \n\n + * + * \note Once the device pipes are configured, the HID device's reporting protocol must be set via a call + * to either the \ref HID_Host_SetBootProtocol() or \ref HID_Host_SetReportProtocol() function. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor. + * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor. + * + * \return A value from the \ref HID_Host_EnumerationFailure_ErrorCodes_t enum. + */ + uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, + uint16_t ConfigDescriptorSize, + void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3); + + + /** Receives a HID IN report from the attached HID device, when a report has been received on the HID IN Data pipe. + * + * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the + * call will fail. + * + * \note The destination buffer should be large enough to accommodate the largest report that the attached device + * can generate. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * \param[in] Buffer Buffer to store the received report into. + * + * \return An error code from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, + void* Buffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + /** Receives a HID IN report from the attached device, by the report ID. + * + * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the + * call will fail. + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * \param[in] ReportID Report ID of the received report if ControlRequest is false, set by the to the Report ID to fetch. + * \param[in] Buffer Buffer to store the received report into. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum. + */ + uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, + const uint8_t ReportID, + void* Buffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3); + #endif + + /** Sends an OUT or FEATURE report to the currently attached HID device, using the device's OUT pipe if available, + * or the device's Control pipe if not. + * + * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the + * call will fail. + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, the ReportID parameter is removed + * from the parameter list of this function. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * \param[in] ReportID Report ID of the report to send to the device, or 0 if the device does not use report IDs. + * \param[in] ReportType Type of report to issue to the device, either \ref HID_REPORT_ITEM_Out or \ref HID_REPORT_ITEM_Feature. + * \param[in] Buffer Buffer containing the report to send to the attached device. + * \param[in] ReportSize Report size in bytes to send to the attached device. + * + * \return An error code from the \ref USB_Host_SendControlErrorCodes_t enum if the DeviceUsesOUTPipe flag is set in + * the interface's state structure, a value from the \ref Pipe_Stream_RW_ErrorCodes_t enum otherwise. + */ + uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo, + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + const uint8_t ReportID, + #endif + const uint8_t ReportType, + void* Buffer, + const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1) + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + ATTR_NON_NULL_PTR_ARG(4); + #else + ATTR_NON_NULL_PTR_ARG(3); + #endif + + /** Determines if a HID IN report has been received from the attached device on the data IN pipe. + * + * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the + * call will fail. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * + * \return Boolean true if a report has been received, false otherwise. + */ + bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + + /** Switches the attached HID device's reporting protocol over to the Boot Report protocol mode, on supported devices. + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method must still be called + * to explicitly place the attached device into boot protocol mode before use. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * + * \return \ref HID_ERROR_LOGICAL if the device does not support Boot Protocol mode, a value from the + * \ref USB_Host_SendControlErrorCodes_t enum otherwise. + */ + uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + + #if !defined(HID_HOST_BOOT_PROTOCOL_ONLY) + /** Switches the attached HID device's reporting protocol over to the standard Report protocol mode. This also retrieves + * and parses the device's HID report descriptor, so that the size of each report can be determined in advance. + * + * \note Whether this function is used or not, the \ref CALLBACK_HIDParser_FilterHIDReportItem() callback from the HID + * Report Parser this function references must be implemented in the user code. + * \n\n + * + * \note When the HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable. + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum if an error occurs while retrieving the HID + * Report descriptor or the setting of the Report protocol, \ref HID_ERROR_LOGICAL if the HID interface does + * not have a valid \ref HID_ReportInfo_t structure set in its configuration, a mask of \ref HID_ERROR_LOGICAL + * and a value from the \ref HID_Parse_ErrorCodes_t otherwise. + */ + uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1); + #endif + + /* Inline Functions: */ + /** General management task for a given Human Interface Class host class interface, required for the correct operation of + * the interface. This should be called frequently in the main program loop, before the master USB management task + * \ref USB_USBTask(). + * + * \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state. + */ + static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo); + static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) + { + (void)HIDInterfaceInfo; + } + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_HID_HOST_C) + static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DCOMP_HID_Host_NextHID(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + static uint8_t DCOMP_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1); + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + -- cgit v1.2.3