USB Libraries Help > USB Device Libraries > USB Audio 2.0 Device Library > Library Interface > b) Data Types and Constants > USB_DEVICE_AUDIO_V2_TRANSFER_HANDLE_INVALID Macro
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USB_DEVICE_AUDIO_V2_TRANSFER_HANDLE_INVALID Macro

USB Device Audio v2.0 Function Driver Invalid Transfer Handle Definition 

This definition defines a USB Device Audio v2.0 Function Driver Invalid Transfer Handle. A Invalid Transfer Handle is returned by the USB_DEVICE_Audio_V2_Write and USB_DEVICE_Audio_V2_Read functions when the request was not successful.

C
#define USB_DEVICE_AUDIO_V2_TRANSFER_HANDLE_INVALID
Remarks

None.

USB Libraries Help > USB Device Libraries > USB Audio 2.0 Device Library > Library Interface > b) Data Types and Constants > USB_DEVICE_AUDIO_V2_TRANSFER_HANDLE_INVALID Macro
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