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##

# 2.5.4.25 USB_CDC_NOTIFICATION Enumeration

## C

    typedef enum {
      USB_CDC_NOTIFICATION_NETWORK_CONNECTION = 0x00,
      USB_CDC_NOTIFICATION_RESPONSE_AVAILABLE = 0x01,
      USB_CDC_NOTIFICATION_AUX_JACK_HOOK_STATE = 0x08,
      USB_CDC_NOTIFICATION_RING_DETECT = 0x09,
      USB_CDC_NOTIFICATION_SERIAL_STATE = 0x20,
      USB_CDC_NOTIFICATION_CALL_STATE_CHANGE = 0x28,
      USB_CDC_NOTIFICATION_LINE_STATE_CHANGE = 0x29,
      USB_CDC_NOTIFICATION_CONNECTION_SPEED_CHANGE = 0x2A
    } USB_CDC_NOTIFICATION;

## Summary

CDC notification codes

This enumeration identifies the possible notification codes available for CDC.