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path: root/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
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Diffstat (limited to 'LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c')
-rw-r--r--LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
new file mode 100644
index 0000000..1bc550f
--- /dev/null
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
@@ -0,0 +1,56 @@
+uint8_t TEMPLATE_FUNC_NAME (const void* 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_ControlEndpointSize))
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ BytesInEndpoint++;
+ }
+
+ LastPacketFull = (BytesInEndpoint == USB_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;
+ }
+
+ return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE