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/*
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.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_DEVICE)
#define __INCLUDE_FROM_AUDIO_DRIVER
#define __INCLUDE_FROM_AUDIO_DEVICE_C
#include "AudioClassDevice.h"
void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
{
if (!(Endpoint_IsSETUPReceived()))
return;
if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
{
uint8_t InterfaceIndex = (USB_ControlRequest.wIndex & 0xFF);
if ((InterfaceIndex != AudioInterfaceInfo->Config.ControlInterfaceNumber) &&
(InterfaceIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber))
{
return;
}
}
else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
{
uint8_t EndpointAddress = (USB_ControlRequest.wIndex & 0xFF);
if ((EndpointAddress != AudioInterfaceInfo->Config.DataINEndpoint.Address) &&
(EndpointAddress != AudioInterfaceInfo->Config.DataOUTEndpoint.Address))
{
return;
}
}
switch (USB_ControlRequest.bRequest)
{
case REQ_SetInterface:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_ClearStatusStage();
AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
EVENT_Audio_Device_StreamStartStop(AudioInterfaceInfo);
}
break;
case AUDIO_REQ_GetStatus:
if ((USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) ||
(USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT)))
{
Endpoint_ClearSETUP();
Endpoint_ClearStatusStage();
}
break;
case AUDIO_REQ_SetCurrent:
case AUDIO_REQ_SetMinimum:
case AUDIO_REQ_SetMaximum:
case AUDIO_REQ_SetResolution:
if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
{
uint8_t EndpointProperty = USB_ControlRequest.bRequest;
uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
EndpointControl, NULL, NULL))
{
uint16_t ValueLength = USB_ControlRequest.wLength;
uint8_t Value[ValueLength];
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(Value, ValueLength);
Endpoint_ClearIN();
CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
EndpointControl, &ValueLength, Value);
}
}
else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
{
uint8_t Property = USB_ControlRequest.bRequest;
uint8_t Entity = (USB_ControlRequest.wIndex >> 8);
uint16_t Parameter = USB_ControlRequest.wValue;
if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
Parameter, NULL, NULL))
{
uint16_t ValueLength = USB_ControlRequest.wLength;
uint8_t Value[ValueLength];
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(Value, ValueLength);
Endpoint_ClearIN();
CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
Parameter, &ValueLength, Value);
}
}
break;
case AUDIO_REQ_GetCurrent:
case AUDIO_REQ_GetMinimum:
case AUDIO_REQ_GetMaximum:
case AUDIO_REQ_GetResolution:
if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
{
uint8_t EndpointProperty = USB_ControlRequest.bRequest;
uint8_t EndpointAddress = (uint8_t)USB_ControlRequest.wIndex;
uint8_t EndpointControl = (USB_ControlRequest.wValue >> 8);
uint16_t ValueLength = USB_ControlRequest.wLength;
uint8_t Value[ValueLength];
if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
EndpointControl, &ValueLength, Value))
{
Endpoint_ClearSETUP();
Endpoint_Write_Control_Stream_LE(Value, ValueLength);
Endpoint_ClearOUT();
}
}
else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
{
uint8_t Property = USB_ControlRequest.bRequest;
uint8_t Entity = (USB_ControlRequest.wIndex >> 8);
uint16_t Parameter = USB_ControlRequest.wValue;
uint16_t ValueLength = USB_ControlRequest.wLength;
uint8_t Value[ValueLength];
if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
Parameter, &ValueLength, Value))
{
Endpoint_ClearSETUP();
Endpoint_Write_Control_Stream_LE(Value, ValueLength);
Endpoint_ClearOUT();
}
}
break;
}
}
bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
{
memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
AudioInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_ISOCHRONOUS;
AudioInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_ISOCHRONOUS;
if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataINEndpoint, 1)))
return false;
if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataOUTEndpoint, 1)))
return false;
return true;
}
void Audio_Device_Event_Stub(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
{
}
#endif
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