From 0c0436f47c296513dace43d3ba20e3cc36f8f527 Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Sun, 25 Mar 2012 17:46:26 +0200 Subject: Board, rev A. --- .../LUFA/Drivers/USB/HighLevel/EndpointStream.h | 524 +++++++++++++++++++++ 1 file changed, 524 insertions(+) create mode 100644 firmware/LUFA/Drivers/USB/HighLevel/EndpointStream.h (limited to 'firmware/LUFA/Drivers/USB/HighLevel/EndpointStream.h') diff --git a/firmware/LUFA/Drivers/USB/HighLevel/EndpointStream.h b/firmware/LUFA/Drivers/USB/HighLevel/EndpointStream.h new file mode 100644 index 0000000..a8b9021 --- /dev/null +++ b/firmware/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 + +/** @} */ + -- cgit v1.2.3