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/*
LUFA Library
Copyright (C) Dean Camera, 2018.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2018 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;
Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);
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
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