Initial restructuring of the core USB driver module to support multiple architectures in the future.
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Dean Camera
parent
3832182fe1
commit
1daa5e16f9
75 changed files with 982 additions and 437 deletions
259
LUFA/Drivers/USB/Core/EndpointStream.c
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259
LUFA/Drivers/USB/Core/EndpointStream.c
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#define __INCLUDE_FROM_USB_DRIVER
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#include "USBMode.h"
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#if defined(USB_CAN_BE_DEVICE)
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#include "EndpointStream.h"
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#if !defined(CONTROL_ONLY_DEVICE)
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uint8_t Endpoint_Discard_Stream(uint16_t Length,
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uint16_t* const BytesProcessed)
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{
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uint8_t ErrorCode;
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uint16_t BytesInTransfer = 0;
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if ((ErrorCode = Endpoint_WaitUntilReady()))
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return ErrorCode;
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if (BytesProcessed != NULL)
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Length -= *BytesProcessed;
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while (Length)
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{
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if (!(Endpoint_IsReadWriteAllowed()))
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{
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Endpoint_ClearOUT();
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if (BytesProcessed != NULL)
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{
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*BytesProcessed += BytesInTransfer;
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return ENDPOINT_RWSTREAM_IncompleteTransfer;
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}
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if ((ErrorCode = Endpoint_WaitUntilReady()))
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return ErrorCode;
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}
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else
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{
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Endpoint_Discard_Byte();
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Length--;
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BytesInTransfer++;
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}
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}
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return ENDPOINT_RWSTREAM_NoError;
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}
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uint8_t Endpoint_Null_Stream(uint16_t Length,
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uint16_t* const BytesProcessed)
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{
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uint8_t ErrorCode;
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uint16_t BytesInTransfer = 0;
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if ((ErrorCode = Endpoint_WaitUntilReady()))
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return ErrorCode;
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if (BytesProcessed != NULL)
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Length -= *BytesProcessed;
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while (Length)
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{
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if (!(Endpoint_IsReadWriteAllowed()))
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{
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Endpoint_ClearIN();
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if (BytesProcessed != NULL)
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{
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*BytesProcessed += BytesInTransfer;
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return ENDPOINT_RWSTREAM_IncompleteTransfer;
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}
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if ((ErrorCode = Endpoint_WaitUntilReady()))
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return ErrorCode;
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}
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else
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{
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Endpoint_Write_Byte(0);
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Length--;
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BytesInTransfer++;
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}
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}
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return ENDPOINT_RWSTREAM_NoError;
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}
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_LE
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#define TEMPLATE_BUFFER_TYPE const void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_LE
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#define TEMPLATE_BUFFER_TYPE const void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_LE
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#define TEMPLATE_BUFFER_TYPE const void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_BE
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#define TEMPLATE_BUFFER_TYPE const void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_BE
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#define TEMPLATE_BUFFER_TYPE const void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_BE
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#define TEMPLATE_BUFFER_TYPE const void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN()
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_LE
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#define TEMPLATE_BUFFER_TYPE void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_LE
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#define TEMPLATE_BUFFER_TYPE void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_BE
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#define TEMPLATE_BUFFER_TYPE void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()
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#include "Template/Template_Endpoint_RW.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_BE
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#define TEMPLATE_BUFFER_TYPE void*
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#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT()
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())
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#include "Template/Template_Endpoint_RW.c"
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#endif
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_LE
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)
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#include "Template/Template_Endpoint_Control_W.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_LE
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_Control_W.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_LE
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_Control_W.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_BE
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(*BufferPtr)
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#include "Template/Template_Endpoint_Control_W.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_PStream_BE
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(pgm_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_Control_W.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_EStream_BE
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_Byte(eeprom_read_byte(BufferPtr))
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#include "Template/Template_Endpoint_Control_W.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_LE
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()
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#include "Template/Template_Endpoint_Control_R.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_LE
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#define TEMPLATE_BUFFER_OFFSET(Length) 0
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())
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#include "Template/Template_Endpoint_Control_R.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_BE
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_Byte()
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#include "Template/Template_Endpoint_Control_R.c"
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#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_EStream_BE
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#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1)
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#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount
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#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_Byte())
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#include "Template/Template_Endpoint_Control_R.c"
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#endif
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