X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/66482341573c035e4c90cee32b89fb7f59068e40..77a9df36a77d2523dd2bc24fa17f9f04c6c175c5:/LUFA/Drivers/USB/Class/Device/Audio.c?ds=inline diff --git a/LUFA/Drivers/USB/Class/Device/Audio.c b/LUFA/Drivers/USB/Class/Device/Audio.c index 8f59980ee..0b47b34a2 100644 --- a/LUFA/Drivers/USB/Class/Device/Audio.c +++ b/LUFA/Drivers/USB/Class/Device/Audio.c @@ -1,110 +1,182 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2009. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, 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. -*/ - -#include "../../HighLevel/USBMode.h" -#if defined(USB_CAN_BE_DEVICE) - -#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(); - - AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0); - - Endpoint_ClearStatusStage(); - } - - break; - } -} - -bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo) -{ - memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State)); - - if (AudioInterfaceInfo->Config.DataINEndpointNumber) - { - if (!(Endpoint_ConfigureEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_ISOCHRONOUS, - ENDPOINT_DIR_IN, AudioInterfaceInfo->Config.DataINEndpointSize, - ENDPOINT_BANK_DOUBLE))) - { - return false; - } - } - - if (AudioInterfaceInfo->Config.DataOUTEndpointNumber) - { - if (!(Endpoint_ConfigureEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_ISOCHRONOUS, - ENDPOINT_DIR_OUT, AudioInterfaceInfo->Config.DataOUTEndpointSize, - ENDPOINT_BANK_DOUBLE))) - { - return false; - } - } - - return true; -} - -void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) -{ - (void)AudioInterfaceInfo; -} - -bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) -{ - if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled)) - return false; - - Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber); - return Endpoint_IsOUTReceived(); -} - -bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) -{ - if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled)) - return false; - - Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber); - return Endpoint_IsINReady(); -} - -#endif \ No newline at end of file +/* + 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_DESCRIPTOR_DIR_IN | AudioInterfaceInfo->Config.DataINEndpointNumber))); + + EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataOUTEndpointNumber && + ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DESCRIPTOR_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