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author | Dean Camera <dean@fourwalledcubicle.com> | 2010-08-22 13:31:27 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-08-22 13:31:27 +0000 |
commit | e72f424f6450cf67d3ef57d347a4f8d86ec5a119 (patch) | |
tree | c5c535f8462bb4c46c4c85b3a712b20348eeeb98 /LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c | |
parent | 4cc7f5200beef90c39c8c8310ed7c8b849afb4d9 (diff) | |
download | lufa-e72f424f6450cf67d3ef57d347a4f8d86ec5a119.tar.gz lufa-e72f424f6450cf67d3ef57d347a4f8d86ec5a119.tar.bz2 lufa-e72f424f6450cf67d3ef57d347a4f8d86ec5a119.zip |
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.c | 54 |
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
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