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

[qmk_firmware.git] / lib / lufa / LUFA / Drivers / USB / Core / UC3 / Template / Template_Endpoint_Control_W.c

diff --git a/lib/lufa/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_W.c b/lib/lufa/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_W.c
new file mode 100644 (file)
index 0000000..922b58e
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_W.c
@@ -0,0 +1,95 @@
+/*
+             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 (const void* const Buffer,
+                            uint16_t Length)
+{
+       uint8_t* DataStream     = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+       bool     LastPacketFull = false;
+
+       if (Length > USB_ControlRequest.wLength)
+         Length = USB_ControlRequest.wLength;
+       else if (!(Length))
+         Endpoint_ClearIN();
+
+       while (Length || LastPacketFull)
+       {
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+                 return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+                 return ENDPOINT_RWCSTREAM_BusSuspended;
+               else if (Endpoint_IsSETUPReceived())
+                 return ENDPOINT_RWCSTREAM_HostAborted;
+               else if (Endpoint_IsOUTReceived())
+                 break;
+
+               if (Endpoint_IsINReady())
+               {
+                       uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+
+                       while (Length && (BytesInEndpoint < USB_Device_ControlEndpointSize))
+                       {
+                               TEMPLATE_TRANSFER_BYTE(DataStream);
+                               TEMPLATE_BUFFER_MOVE(DataStream, 1);
+                               Length--;
+                               BytesInEndpoint++;
+                       }
+
+                       LastPacketFull = (BytesInEndpoint == USB_Device_ControlEndpointSize);
+                       Endpoint_ClearIN();
+               }
+       }
+
+       while (!(Endpoint_IsOUTReceived()))
+       {
+               uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+               if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+                 return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+               else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+                 return ENDPOINT_RWCSTREAM_BusSuspended;
+               else if (Endpoint_IsSETUPReceived())
+                 return ENDPOINT_RWCSTREAM_HostAborted;
+       }
+
+       return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_BUFFER_MOVE
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE
+
+#endif
+