X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/3832182fe1de292998eef73e00511f73af0efa87..1daa5e16f9a395fb2943906a715adb35b8106988:/LUFA/Drivers/USB/Core/EndpointStream.c diff --git a/LUFA/Drivers/USB/Core/EndpointStream.c b/LUFA/Drivers/USB/Core/EndpointStream.c new file mode 100644 index 000000000..974af682c --- /dev/null +++ b/LUFA/Drivers/USB/Core/EndpointStream.c @@ -0,0 +1,259 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 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, + uint16_t* const BytesProcessed) +{ + uint8_t ErrorCode; + uint16_t BytesInTransfer = 0; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + Length -= *BytesProcessed; + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + Endpoint_ClearOUT(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + Endpoint_Discard_Byte(); + + Length--; + BytesInTransfer++; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +uint8_t Endpoint_Null_Stream(uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t ErrorCode; + uint16_t BytesInTransfer = 0; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + Length -= *BytesProcessed; + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + Endpoint_ClearIN(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + Endpoint_Write_Byte(0); + + Length--; + BytesInTransfer++; + } + } + + 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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *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_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte()) +#include "Template/Template_Endpoint_Control_R.c" + +#endif