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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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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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#if defined(TEMPLATE_FUNC_NAME)
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uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE const Buffer,
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uint16_t Length,
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uint16_t* const BytesProcessed)
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{
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uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
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uint16_t BytesInTransfer = 0;
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uint8_t ErrorCode;
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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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{
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Length -= *BytesProcessed;
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TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed);
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}
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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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TEMPLATE_CLEAR_ENDPOINT();
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#if !defined(INTERRUPT_CONTROL_ENDPOINT)
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USB_USBTask();
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#endif
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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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TEMPLATE_TRANSFER_BYTE(DataStream);
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TEMPLATE_BUFFER_MOVE(DataStream, 1);
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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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#undef TEMPLATE_FUNC_NAME
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#undef TEMPLATE_BUFFER_TYPE
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#undef TEMPLATE_TRANSFER_BYTE
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#undef TEMPLATE_CLEAR_ENDPOINT
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#undef TEMPLATE_BUFFER_OFFSET
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#undef TEMPLATE_BUFFER_MOVE
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#endif
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