MPLAB Harmony USB Stack
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This function returns "true" if mute control exists on the specified channel of the feature unit. Channel 0 indicates Master mute control. This function is only applicable to a feature unit. Prior to calling this function the entity object should be obtained by calling USB_HOST_AUDIO_V1_ControlEntityGetFirst, USB_HOST_AUDIO_V1_ControlEntityGetNext, or USB_HOST_AUDIO_V1_EntityObjectGet.
bool USB_HOST_AUDIO_V1_FeatureUnitChannelMuteExists( USB_HOST_AUDIO_V1_OBJ audioObj, USB_HOST_AUDIO_V1_CONTROL_ENTITY_OBJ entityObject, uint8_t channel );
Parameters |
Description |
audioObj |
USB Host Audio v1.0 Device object |
entityObject |
Audio control entity object |
channel |
Channel number |
None.
MPLAB Harmony USB Stack
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