X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5de364163f5a7597ba2f54e37cdea493fbd1e7ff..03ee87b35abdb8b92e8b55ec040fa943f9a6786c:/LUFA/Drivers/USB/LowLevel/Pipe.c?ds=inline diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c index 3f5272a36..e88aa63fc 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ b/LUFA/Drivers/USB/LowLevel/Pipe.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, 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 + 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 @@ -78,7 +78,7 @@ bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) { Pipe_SelectPipe(PNum); - if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == EndpointAddress)) + if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK))) return true; } @@ -130,7 +130,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length { uint8_t ErrorCode; - Pipe_SetToken(PIPE_TOKEN_IN); + Pipe_SetPipeToken(PIPE_TOKEN_IN); if ((ErrorCode = Pipe_WaitUntilReady())) return ErrorCode; @@ -199,6 +199,9 @@ uint8_t Pipe_Discard_Stream(uint16_t Length return PIPE_RWSTREAM_NoError; } +/* The following abuses the C preprocessor in order to copy-past common code with slight alterations, + * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */ + #define TEMPLATE_FUNC_NAME Pipe_Write_Stream_LE #define TEMPLATE_BUFFER_TYPE const void* #define TEMPLATE_TOKEN PIPE_TOKEN_OUT @@ -227,7 +230,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length #define TEMPLATE_BUFFER_TYPE const void* #define TEMPLATE_TOKEN PIPE_TOKEN_OUT #define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() -#define TEMPLATE_BUFFER_OFFSET(Length) Length - 1 +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(*((uint8_t*)BufferPtr--)) #include "Template/Template_Pipe_RW.c" @@ -235,7 +238,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length #define TEMPLATE_BUFFER_TYPE const void* #define TEMPLATE_TOKEN PIPE_TOKEN_OUT #define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() -#define TEMPLATE_BUFFER_OFFSET(Length) Length - 1 +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--)) #include "Template/Template_Pipe_RW.c" @@ -243,7 +246,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length #define TEMPLATE_BUFFER_TYPE const void* #define TEMPLATE_TOKEN PIPE_TOKEN_OUT #define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() -#define TEMPLATE_BUFFER_OFFSET(Length) Length - 1 +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--)) #include "Template/Template_Pipe_RW.c" @@ -267,7 +270,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length #define TEMPLATE_BUFFER_TYPE void* #define TEMPLATE_TOKEN PIPE_TOKEN_IN #define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() -#define TEMPLATE_BUFFER_OFFSET(Length) Length - 1 +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) #define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Pipe_Read_Byte() #include "Template/Template_Pipe_RW.c" @@ -275,7 +278,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length #define TEMPLATE_BUFFER_TYPE void* #define TEMPLATE_TOKEN PIPE_TOKEN_IN #define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() -#define TEMPLATE_BUFFER_OFFSET(Length) Length - 1 +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) #define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_write_byte((uint8_t*)BufferPtr--, Pipe_Read_Byte()) #include "Template/Template_Pipe_RW.c"