diff options
Diffstat (limited to 'LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c')
| -rw-r--r-- | LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c index eebe52f12..8c5d47d4d 100644 --- a/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c +++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Pipe_RW.c @@ -1,8 +1,9 @@ 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; Pipe_SetPipeToken(TEMPLATE_TOKEN); @@ -10,16 +11,23 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer, if ((ErrorCode = Pipe_WaitUntilReady())) return ErrorCode; + if (BytesProcessed != NULL) + { + Length -= *BytesProcessed; + TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed); + } + while (Length) { if (!(Pipe_IsReadWriteAllowed())) { TEMPLATE_CLEAR_PIPE(); - #if !defined(NO_STREAM_CALLBACKS) - if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) - return PIPE_RWSTREAM_CallbackAborted; - #endif + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return PIPE_RWSTREAM_IncompleteTransfer; + } if ((ErrorCode = Pipe_WaitUntilReady())) return ErrorCode; @@ -27,7 +35,9 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer, else { TEMPLATE_TRANSFER_BYTE(DataStream); + TEMPLATE_BUFFER_MOVE(DataStream, 1); Length--; + BytesInTransfer++; } } @@ -40,4 +50,4 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer, #undef TEMPLATE_TRANSFER_BYTE #undef TEMPLATE_CLEAR_PIPE #undef TEMPLATE_BUFFER_OFFSET - +#undef TEMPLATE_BUFFER_MOVE |