All/Android/WineSeller/app/sign/UartUtils.java

package com.seller.utils;

import android.app.Application;
import com.kongqw.serialportlibrary.Driver;
import com.kongqw.serialportlibrary.SerialUtils;
import com.kongqw.serialportlibrary.enumerate.SerialPortEnum;
import com.kongqw.serialportlibrary.listener.SerialPortDirectorListens;

import java.util.ArrayList;
import java.util.List;

public class UartUtils {
    private static final byte Start1 = (byte) 0xAA, Start2 = (byte) 0x55;

    private static byte[] getCmd(int op, int pra1, int pra2, int pra3) {
        return new byte[]{Start1, Start2, (byte) op, (byte) pra1, (byte) pra2, (byte) pra3};
    }

    public static boolean isDataCorrect(final byte[] data) {
        return data.length == 5 && data[0] == Start1 && data[1] == Start2;
    }

    public static void init(Application app, SerialPortDirectorListens listener) {
        SerialUtils.getInstance().setmSerialPortDirectorListens(listener);
        SerialUtils.getInstance().init(app, false, "串口", 40);
        List<Driver> list2 = new ArrayList<>();
        // 串口ttyS0
        list2.add(new Driver("/dev/ttyS0", "9600"));
        SerialUtils.getInstance().manyOpenSerialPort(list2);
    }

    public static void close() {
        SerialUtils.getInstance().serialPortClose();
    }

    public static void ReadWeight(int index) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x01, index, 0x00, 0x00)
        );
    }

    public static void OpenDoor(boolean front) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x02, front ? 0x01 : 0x00, 0x00, 0x00)
        );
    }

    public static void OpenValve(int index, int pulse) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x03, index, (pulse & 0xFF00) >> 8, pulse & 0xFF)
        );
    }

    public static void CloseValve(int index) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x04, index, 0x00, 0x00)
        );
    }

    public static void SwitchLight(int index, boolean on) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x05, index, on ? 0x01 : 0x00, 0x00)
        );
    }

    public static void SwitchGas(boolean on) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x06, on ? 0x01 : 0x00, 0x00, 0x00)
        );
    }

    public static void DoorStatus(int index) {
        SerialUtils.getInstance().sendData(
                SerialPortEnum.SERIAL_ONE, getCmd(0x07, index, 0x00, 0x00)
        );
    }
}