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authorDean Camera <dean@fourwalledcubicle.com>2010-08-22 13:31:27 +0000
committerDean Camera <dean@fourwalledcubicle.com>2010-08-22 13:31:27 +0000
commite72f424f6450cf67d3ef57d347a4f8d86ec5a119 (patch)
treec5c535f8462bb4c46c4c85b3a712b20348eeeb98 /LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
parent4cc7f5200beef90c39c8c8310ed7c8b849afb4d9 (diff)
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Split out endpoint and pipe stream functions into new EndpointStream.c/.h and PipeStream.c/.h files.
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.c54
1 files changed, 54 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 000000000..dc2c37dfc
--- /dev/null
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
@@ -0,0 +1,54 @@
+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)
+ {
+ if (Endpoint_IsSETUPReceived())
+ return ENDPOINT_RWCSTREAM_HostAborted;
+
+ if (Endpoint_IsOUTReceived())
+ break;
+
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+
+ if (Endpoint_IsINReady())
+ {
+ uint8_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+
+ while (Length && (BytesInEndpoint < USB_ControlEndpointSize))
+ {
+ TEMPLATE_TRANSFER_BYTE(DataStream);
+ Length--;
+ BytesInEndpoint++;
+ }
+
+ LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize);
+ Endpoint_ClearIN();
+ }
+ }
+
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+ else if (USB_DeviceState == DEVICE_STATE_Suspended)
+ return ENDPOINT_RWCSTREAM_BusSuspended;
+ }
+
+ return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE \ No newline at end of file