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Altered all endpoint/pipe stream transfers so that the new BytesProcessed parameter now points to a location where the number of bytes in the transfer that have been completed can be stored (or NULL if entire transaction should be performed in one chunk).

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Added new Endpoint_Null_Stream() and Pipe_Null_stream() functions.

Removed the NO_STREAM_CALLBACKS compile time option due to the new partial stream transfer feature replacing it.

Fixed errors in the incomplete Test and Measurement device demo preventing proper operation (thanks to Pavel Plotnikov).
This commit is contained in:
Dean Camera 2011-01-10 18:43:34 +00:00
parent 477a2047f4
commit f555ad7ced
107 changed files with 1257 additions and 943 deletions
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25
LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_RW.c
View file

@ -1,23 +1,31 @@
uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
uint16_t Length
__CALLBACK_PARAM)
uint16_t Length,
uint16_t* const BytesProcessed)
{
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
uint16_t BytesInTransfer = 0;
uint8_t ErrorCode;
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
if (BytesProcessed != NULL)
{
Length -= *BytesProcessed;
TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed);
}
while (Length)
{
if (!(Endpoint_IsReadWriteAllowed()))
{
TEMPLATE_CLEAR_ENDPOINT();
#if !defined(NO_STREAM_CALLBACKS)
if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
return ENDPOINT_RWSTREAM_CallbackAborted;
#endif
if (BytesProcessed != NULL)
{
*BytesProcessed += BytesInTransfer;
return ENDPOINT_RWSTREAM_IncompleteTransfer;
}
if ((ErrorCode = Endpoint_WaitUntilReady()))
return ErrorCode;
@ -25,7 +33,9 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
else
{
TEMPLATE_TRANSFER_BYTE(DataStream);
TEMPLATE_BUFFER_MOVE(DataStream, 1);
Length--;
BytesInTransfer++;
}
}
@ -37,3 +47,4 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
#undef TEMPLATE_TRANSFER_BYTE
#undef TEMPLATE_CLEAR_ENDPOINT
#undef TEMPLATE_BUFFER_OFFSET
#undef TEMPLATE_BUFFER_MOVE