/ {
  zephyr,user {
    in3-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
    in4-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
    enb-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
  };
};
&uart0 {
  status = "okay";
  protocal: uart-com-protocal {
    compatible = "uart-com-protocal";
    status = "okay";
    header = <0x7e 0xe7>;
    crc16 = "none";
    freq{
      id = <0x00>;
    };
    switch{
      id = <0x01>;
    };
    status{
      id = <0x02>;
    };
  };
};