diff options
Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c b/lib/lufa/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c new file mode 100644 index 0000000000..08cbeb7061 --- /dev/null +++ b/lib/lufa/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c @@ -0,0 +1,197 @@ +/* + 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(void) +{ + +} + +#endif + |