diff options
Diffstat (limited to 'LUFA/Drivers/USB/Core/Template/Template_Endpoint_RW.c')
-rw-r--r-- | LUFA/Drivers/USB/Core/Template/Template_Endpoint_RW.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Core/Template/Template_Endpoint_RW.c b/LUFA/Drivers/USB/Core/Template/Template_Endpoint_RW.c new file mode 100644 index 000000000..a46d7513b --- /dev/null +++ b/LUFA/Drivers/USB/Core/Template/Template_Endpoint_RW.c @@ -0,0 +1,54 @@ +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) +{ + 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 (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + #if !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + TEMPLATE_TRANSFER_BYTE(DataStream); + TEMPLATE_BUFFER_MOVE(DataStream, 1); + Length--; + BytesInTransfer++; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_BUFFER_TYPE +#undef TEMPLATE_TRANSFER_BYTE +#undef TEMPLATE_CLEAR_ENDPOINT +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_BUFFER_MOVE |