131 lines
3.8 KiB
Java
131 lines
3.8 KiB
Java
package chaoran.business.adapter;
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/*
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**********************************************
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* DATE PERSON REASON
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* 2021-02-01 FXY Created
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**********************************************
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*/
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import android.content.Context;
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import android.media.AudioManager;
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import android.media.SoundPool;
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import android.os.Vibrator;
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import chaoran.business.R;
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import chaoran.business.activity.ResultListener;
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import chaoran.business.strategy.Strategy;
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import java.io.*;
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/**
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* 瑞芯适配器
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*/
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public class RockChipAdapter implements Adapter {
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private Strategy strategy;
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private ResultListener resultListener;
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private Context context;
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public static final String[] barcode = {""};
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@Override
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public void start() {
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strategy.executeStrategy(resultListener);
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}
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@Override
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public void stop() {
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strategy.exclusiveStrategy();
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}
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public RockChipAdapter(Context context, ResultListener resultListener) {
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this.resultListener = resultListener;
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this.context = context;
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this.strategy = new Reader(new File("/dev/ttyS1"), 115200, 0);
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}
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public class Reader implements Strategy {
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private FileDescriptor mFd;
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private FileInputStream mFileInputStream;
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private boolean running = true;
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public Reader(File device, int baudrate, int flags) {
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if (!device.canRead() || !device.canWrite()) {
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try {
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Process su;
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su = Runtime.getRuntime().exec("/system/bin/su");
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String cmd = "chmod 777 " + device.getAbsolutePath() + "\n" + "exit\n";
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su.getOutputStream().write(cmd.getBytes());
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if ((su.waitFor() != 0) || !device.canRead() || !device.canWrite()) {
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System.out.println("获取su命令权限失败,系统或许未root！");
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}
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} catch (Exception e) {
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e.printStackTrace();
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System.out.println("获取root权限失败");
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}
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}
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mFd = open(device.getAbsolutePath(), baudrate, flags);
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if (mFd == null) {
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System.out.println("获取文件描述符失败！");
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}
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mFileInputStream = new FileInputStream(mFd);
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}
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@Override
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public void executeStrategy(ResultListener resultListener) {
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running = true;
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new Thread(() -> {
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while (running) {
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String data = data();
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if (!data.equals("")) {
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barcode[0] = barcode[0] + data;
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try {
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Thread.sleep(20);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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if (!"".equals(barcode[0])) {
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resultListener.result(barcode[0]);
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barcode[0] = "";
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}
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}
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}).start();
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}
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@Override
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public void exclusiveStrategy() {
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// running = false;
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// close();
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}
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private String data() {
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if (mFileInputStream == null) return "";
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try {
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int size = mFileInputStream.available();
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byte[] buffer = new byte[size];
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size = mFileInputStream.read(buffer);
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if (size > 0) {
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return new String(buffer);
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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return "";
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}
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}
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static {
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System.loadLibrary("rockchip");
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}
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private native static FileDescriptor open(String path, int baudrate, int flags);
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public native void close();
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}
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