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author | Trygve Laugstøl <trygvis@inamo.no> | 2012-03-25 17:46:26 +0200 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2012-03-25 17:46:26 +0200 |
commit | d0703775221dc25613f6b81cbe151b54db6cc66c (patch) | |
tree | bcc69080702cef20a2779e019499dc19307f4883 /firmware/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c | |
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Board, rev A.rev-a
Diffstat (limited to 'firmware/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c')
-rw-r--r-- | firmware/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/firmware/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/firmware/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c new file mode 100644 index 0000000..16fe399 --- /dev/null +++ b/firmware/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 |