Added new Host mode Audio Class driver.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / Audio.h

diff --git a/LUFA/Drivers/USB/Class/Device/Audio.h b/LUFA/Drivers/USB/Class/Device/Audio.h
index cad87f3..7e7dad8 100644 (file)
--- 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)
                        }