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Split out endpoint and pipe stream functions into new EndpointStream.c/.h and PipeStream.c/.h files.

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This commit is contained in:
Dean Camera 2010-08-22 13:31:27 +00:00
parent 4cc7f5200b
commit e72f424f64
18 changed files with 1320 additions and 1161 deletions
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161
LUFA/Drivers/USB/LowLevel/Pipe.c
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@ -33,7 +33,6 @@
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_PIPE_C
#include "Pipe.h"
uint8_t USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
@ -163,164 +162,4 @@ uint8_t Pipe_WaitUntilReady(void)
}
}
uint8_t Pipe_Discard_Stream(uint16_t Length
#if !defined(NO_STREAM_CALLBACKS)
, StreamCallbackPtr_t Callback
#endif
)
{
uint8_t ErrorCode;
Pipe_SetPipeToken(PIPE_TOKEN_IN);
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
#if defined(FAST_STREAM_TRANSFERS)
uint8_t BytesRemToAlignment = (Pipe_BytesInPipe() & 0x07);
if (Length >= 8)
{
Length -= BytesRemToAlignment;
switch (BytesRemToAlignment)
{
default:
do
{
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_ClearIN();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return PIPE_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
}
Length -= 8;
Pipe_Discard_Byte();
case 7: Pipe_Discard_Byte();
case 6: Pipe_Discard_Byte();
case 5: Pipe_Discard_Byte();
case 4: Pipe_Discard_Byte();
case 3: Pipe_Discard_Byte();
case 2: Pipe_Discard_Byte();
case 1: Pipe_Discard_Byte();
} while (Length >= 8);
}
}
#endif
while (Length)
{
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_ClearIN();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return PIPE_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
}
else
{
Pipe_Discard_Byte();
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
#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(*((uint8_t*)BufferPtr++))
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Write_PStream_LE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_TOKEN PIPE_TOKEN_OUT
#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr++))
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Write_EStream_LE
#define TEMPLATE_BUFFER_TYPE const void*
#define TEMPLATE_TOKEN PIPE_TOKEN_OUT
#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr++))
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_BE
#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_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(*((uint8_t*)BufferPtr--))
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Write_PStream_BE
#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_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(pgm_read_byte((uint8_t*)BufferPtr--))
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Write_EStream_BE
#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_TRANSFER_BYTE(BufferPtr) Pipe_Write_Byte(eeprom_read_byte((uint8_t*)BufferPtr--))
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_LE
#define TEMPLATE_BUFFER_TYPE void*
#define TEMPLATE_TOKEN PIPE_TOKEN_IN
#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr++) = Pipe_Read_Byte()
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Read_EStream_LE
#define TEMPLATE_BUFFER_TYPE void*
#define TEMPLATE_TOKEN PIPE_TOKEN_IN
#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN()
#define TEMPLATE_BUFFER_OFFSET(Length) 0
#define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr++, Pipe_Read_Byte())
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_BE
#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_TRANSFER_BYTE(BufferPtr) *((uint8_t*)BufferPtr--) = Pipe_Read_Byte()
#include "Template/Template_Pipe_RW.c"
#define TEMPLATE_FUNC_NAME Pipe_Read_EStream_BE
#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_TRANSFER_BYTE(BufferPtr) eeprom_update_byte((uint8_t*)BufferPtr--, Pipe_Read_Byte())
#include "Template/Template_Pipe_RW.c"
#endif