USB Libraries Help > USB Device Libraries > USB Audio 2.0 Device Library > Configuring the Library > USB_DEVICE_AUDIO_V2_INSTANCES_NUMBER Macro
MPLAB Harmony USB Stack
USB_DEVICE_AUDIO_V2_INSTANCES_NUMBER Macro

USB device Audio 2.0 Maximum Number of instances 

This macro defines the number of instances of the Audio 2.0 Function Driver. For example, if the application needs to implement two instances of the Audio 2.0 Function Driver (to create two composite Audio Device) on one USB Device, the macro should be set to 2. Note that implementing a USB Device that features multiple Audio 2.0 interfaces requires appropriate USB configuration descriptors.

C
#define USB_DEVICE_AUDIO_V2_INSTANCES_NUMBER 
Remarks

None.