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The FAST_STREAM_TRANSFERS compile time option has been removed due to lack of use and low cost/benefit ratio.

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Add GCC_FORCE_POINTER_ACCESS() macro use to the RingBuffer library header, to attempt to force GCC into producing more efficient code for manipulating the buffers.
This commit is contained in:
Dean Camera 2011-01-08 00:54:30 +00:00
parent 1c74fd78bd
commit d126146887
8 changed files with 17 additions and 173 deletions
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40
LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c
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@ -8,46 +8,6 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
#if defined(FAST_STREAM_TRANSFERS)
uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);
if (Length >= 8)
{
Length -= BytesRemToAlignment;
switch (BytesRemToAlignment)
{
default:
do
{
if (!(Endpoint_IsReadWriteAllowed()))
{
TEMPLATE_CLEAR_ENDPOINT();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return ENDPOINT_RWSTREAM_CallbackAborted;
#endif
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
}
Length -= 8;
TEMPLATE_TRANSFER_BYTE(DataStream);
case 7: TEMPLATE_TRANSFER_BYTE(DataStream);
case 6: TEMPLATE_TRANSFER_BYTE(DataStream);
case 5: TEMPLATE_TRANSFER_BYTE(DataStream);
case 4: TEMPLATE_TRANSFER_BYTE(DataStream);
case 3: TEMPLATE_TRANSFER_BYTE(DataStream);
case 2: TEMPLATE_TRANSFER_BYTE(DataStream);
case 1: TEMPLATE_TRANSFER_BYTE(DataStream);
} while (Length >= 8);
}
}
#endif
while (Length)
{
if (!(Endpoint_IsReadWriteAllowed()))