+++ /dev/null
-/*
- 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.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
- {
- if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
- return;
- }
- else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
- {
- bool EndpointFilterMatch = false;
-
- EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataINEndpointNumber &&
- ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DIR_IN | AudioInterfaceInfo->Config.DataINEndpointNumber)));
-
- EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataOUTEndpointNumber &&
- ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DIR_OUT | AudioInterfaceInfo->Config.DataOUTEndpointNumber)));
-
- if (!(EndpointFilterMatch))
- 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 == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | 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);
- }
- }
-
- break;
- case AUDIO_REQ_GetCurrent:
- case AUDIO_REQ_GetMinimum:
- case AUDIO_REQ_GetMaximum:
- case AUDIO_REQ_GetResolution:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | 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();
- }
- }
-
- 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;
- bool DoubleBanked;
-
- if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
- {
- Size = AudioInterfaceInfo->Config.DataINEndpointSize;
- Direction = ENDPOINT_DIR_IN;
- Type = EP_TYPE_ISOCHRONOUS;
- DoubleBanked = true;
- }
- else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
- {
- Size = AudioInterfaceInfo->Config.DataOUTEndpointSize;
- Direction = ENDPOINT_DIR_OUT;
- Type = EP_TYPE_ISOCHRONOUS;
- DoubleBanked = true;
- }
- else
- {
- continue;
- }
-
- if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
- DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
- {
- return false;
- }
- }
-
- return true;
-}
-
-void Audio_Device_Event_Stub(void)
-{
-
-}
-
-#endif
projects / pub / lufa.git / blobdiff