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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 17:55:23 +0200 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 17:55:23 +0200 |
commit | 60b30c036397cb5627fa374bb930794b225daa29 (patch) | |
tree | e156c2d6b27f01db6985f2cc560c9c345d48fdac /LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c | |
download | qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.gz qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.xz |
Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
Diffstat (limited to 'LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c')
-rw-r--r-- | LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c new file mode 100644 index 000000000..e55e592eb --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c @@ -0,0 +1,89 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#if defined(TEMPLATE_FUNC_NAME) + +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 !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + 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 + +#endif + |