99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2011.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2011 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 disclaim 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 "Audio.h"
|
|
|
|
void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
|
|
{
|
|
if (!(Endpoint_IsSETUPReceived()))
|
|
return;
|
|
|
|
if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
|
|
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);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
|
|
{
|
|
memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
|
|
|
|
for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
|
|
{
|
|
uint16_t Size;
|
|
uint8_t Type;
|
|
uint8_t Direction;
|
|
|
|
if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
|
|
{
|
|
Size = AudioInterfaceInfo->Config.DataINEndpointSize;
|
|
Direction = ENDPOINT_DIR_IN;
|
|
Type = EP_TYPE_ISOCHRONOUS;
|
|
}
|
|
else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
|
|
{
|
|
Size = AudioInterfaceInfo->Config.DataOUTEndpointSize;
|
|
Direction = ENDPOINT_DIR_OUT;
|
|
Type = EP_TYPE_ISOCHRONOUS;
|
|
}
|
|
else
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size, ENDPOINT_BANK_DOUBLE)))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif
|