diff options
Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c')
-rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c b/lib/lufa/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c new file mode 100644 index 0000000000..922b58efa3 --- /dev/null +++ b/lib/lufa/LUFA/Drivers/USB/Core/AVR8/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 + |