3.4.4.24 USB_HOST_CDC_HANDLE_INVALID Macro

C

#define USB_HOST_CDC_HANDLE_INVALID ((USB_HOST_CDC_HANDLE)(-1))

Summary

USB Host CDC Client Driver Invalid Handle

This type defines an Invalid CDC Client Driver Handle. The USB_HOST_CDC_Open() function returns an invalid handle when it fails to open the specified CDC device instance.

Remarks

None.