3.3.4.1 USB_HOST_AUDIO_V1_AttachEventHandlerSet Function

C

USB_HOST_AUDIO_V1_RESULT USB_HOST_AUDIO_V1_AttachEventHandlerSet(
    USB_HOST_AUDIO_V1_ATTACH_EVENT_HANDLER eventHandler, 
    uintptr_t context
);

Summary

This function will set an attach event handler. The attach event handler will be called when a Audio v1.0 Device has been attached or detached. The context will be returned in the event handler. This function should be called before the bus has been enabled.

Parameters

Returns

• USB_HOST_AUDIO_V1_RESULT_SUCCESS - If the attach event handler was registered successfully
• USB_HOST_AUDIO_V1_RESULT_FAILURE - If the number of registered event handlers has exceeded USB_HOST_AUDIO_V1_ATTACH_LISTENERS_NUMBER

Remarks

This function should be called before the USB_HOST_BusEnable function is called.