Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'

[qmk_firmware.git] / lib / lufa / LUFA / Drivers / USB / Core / XMEGA / Template / Template_Endpoint_RW.c

diff --git a/lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Template/Template_Endpoint_RW.c b/lib/lufa/LUFA/Drivers/USB/Core/XMEGA/Template/Template_Endpoint_RW.c
new file mode 100644 (file)
index 0000000..e55e592
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/USB/Core/XMEGA/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
+