diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/Audio.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/Audio.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/Audio.h b/LUFA/Drivers/USB/Class/Device/Audio.h index cad87f3b6..7e7dad88d 100644 --- a/LUFA/Drivers/USB/Class/Device/Audio.h +++ b/LUFA/Drivers/USB/Class/Device/Audio.h @@ -101,9 +101,9 @@ */ struct { - bool InterfaceEnabled; /**< Set and cleared by the class driver to indicate if the host has enabled the streaming endpoints - * of the Audio Streaming interface. - */ + bool InterfaceEnabled; /**< Set and cleared by the class driver to indicate if the host has enabled the streaming endpoints + * of the Audio Streaming interface. + */ } State; /**< State data for the USB class interface within the device. All elements in this section * are reset to their defaults when the interface is enumerated. */ @@ -160,6 +160,14 @@ uint16_t* const DataLength, uint8_t* Data); + /** Audio class driver event for an Audio Stream start/stop change. This event fires each time the device receives a stream enable or + * disable control request from the host, to start and stop the audio stream. The current state of the stream can be determined by the + * State.InterfaceEnabled value inside the Audio interface structure passed as a parameter. + * + * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. + */ + void EVENT_Audio_StreamStartStopChange(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo); + /* Inline Functions: */ /** General management task for a given Audio class interface, required for the correct operation of the interface. This should * be called frequently in the main program loop, before the master USB management task \ref USB_USBTask(). @@ -348,6 +356,18 @@ Endpoint_ClearIN(); } + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_AUDIO_DEVICE_C) + void Audio_Device_Event_Stub(void) ATTR_CONST; + + void EVENT_Audio_StreamStartStopChange(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) + ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(Audio_Device_Event_Stub); + #endif + + #endif + /* Disable C linkage for C++ Compilers: */ #if defined(__cplusplus) } |