Android平台下RFID模块测试程序
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最近在开发一款Android平台的设备，需要使用到RFID模块，自己写了一个测试程序。模块既可通过串口和USB接口与上位机通讯，具体操作指令根据通信协议来定。程序中用到了两个共享库：一个是友善之臂提供的friendlyarm-hardware.so，另一个是自己为了控制RFID模块的电源写的JNI编译生成库。
package com.example.rfid;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.app.Activity;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;import com.friendlyarm.AndroidSDK.HardwareControler;import com.hardware.Hardware;public class MainActivity extends Activity {byte[] buf= new byte[100];TextView productInf;TextView cardInf;Button connectBtn;Button resetBtn;Button clearBtn;Button closeBtn;Button requestBtn;Button selectBtn;Button authkey3Btn;Button continueFindBtn; String choosed_serial = "/dev/ttyUSB0"; int choosed_buad = 38400; int fd; int len; Hardware hardware=new Hardware();@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);productInf = (TextView)findViewById(R.id.productinf); cardInf = (TextView)findViewById(R.id.cardinf);connectBtn = (Button)findViewById(R.id.connect);connectBtn.setText("连接");resetBtn = (Button)findViewById(R.id.reset);resetBtn.setText("重启");clearBtn = (Button)findViewById(R.id.clear);clearBtn.setText("清空");closeBtn = (Button)findViewById(R.id.close);closeBtn.setText("关闭");requestBtn = (Button)findViewById(R.id.request);requestBtn.setText("寻卡");selectBtn = (Button)findViewById(R.id.select);selectBtn.setText("防冲突");authkey3Btn = (Button)findViewById(R.id.authkey3);authkey3Btn.setText("认证");continueFindBtn = (Button)findViewById(R.id.continuefind);continueFindBtn.setText("连续寻卡"); System.out.println("openGPIO:"+hardware.openGPIO()); System.out.println("setGPIO:"+hardware.setGPIO(0, 5)); connectBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { // TODO Auto-generated method stub fd = HardwareControler.openSerialPort(choosed_serial,choosed_buad, 8, 1);//打开串口 System.out.println(">>>>>>>>>>>>"+fd); if (fd != -1) { Toast.makeText(getApplicationContext(), "成功打开串口："+choosed_serial, 1).show(); } else { Toast.makeText(getApplicationContext(),"无法打开串口", 1).show(); } byte[] readVersion = new byte[]{(byte)0x55,(byte)0x00,(byte)0x4f,(byte)0x00,(byte)0x4f};//读硬件版本号 len =HardwareControler.write(fd,readVersion); System.out.println("readVersion len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,30); System.out.println(len); if(len<1){ System.out.println("read error"); } byte[] temp = new byte[16]; for(int i=0;i<16;i++) { temp[i] = buf[i+4]; } productInf.append(bytesToHexString(temp)+"\n"); System.out.println(bytesToHexString(buf)+"\n"); } byte[] readPSN = new byte[]{(byte)0x55,(byte)0x00,(byte)0x2f,(byte)0x01,(byte)0x14,(byte)0x3a};//读产品序列号 len =HardwareControler.write(fd,readPSN); System.out.println("readVersion len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,30); System.out.println(len); if(len<1){ System.out.println("read error"); } byte[] temp = new byte[14]; for(int i=0;i<14;i++) { temp[i] = buf[i+4]; } productInf.append(bytesToHexString(temp)+"\n"); System.out.println(bytesToHexString(buf)+"\n"); } } }); resetBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { byte[] reset = new byte[]{(byte)0x55,(byte)0x00,(byte)0x37,(byte)0x00,(byte)0x37};//重启模块 len =HardwareControler.write(fd,reset); System.out.println("readVersion len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,5); System.out.println(len); if(len<1){ System.out.println("read error"); } if(buf[2]==(byte)0x00 && buf[0]==(byte)0xaa) { cardInf.append("reset success\n"); } else { cardInf.append("reset failure\n"); } System.out.println(bytesToHexString(buf)+"\n"); } } }); clearBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { cardInf.setText(null); } }); closeBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { // TODO Auto-generated method stub HardwareControler.close(fd); hardware.setGPIO(1, 5); android.os.Process.killProcess(android.os.Process.myPid()); System.exit(0); } }); requestBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { request(); } }); selectBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { selectCard(); } }); continueFindBtn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { new continueFindThread().start(); } }); authkey3Btn.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { authKey3(); } }); } public void request()//寻卡操作 { byte[] request = new byte[]{(byte)0x55,(byte)0x00,(byte)0x41,(byte)0x01,(byte)0x00,(byte)0x40}; len =HardwareControler.write(fd,request); System.out.println("readVersion len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} System.out.println(bytesToHexString(request)); if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,7); System.out.println(len); if(len<1){ System.out.println("read error"); } } if(buf[2]==(byte)0x00 && buf[0]==(byte)0xaa) { cardInf.append("find card success\n"); } else { cardInf.append("find card failure\n"); } System.out.println(bytesToHexString(buf)); } public void selectCard()//防冲突、选卡操作 { byte[] anticoll = new byte[]{(byte)0x55,(byte)0x00,(byte)0x42,(byte)0x04,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x46}; len =HardwareControler.write(fd,anticoll); System.out.println("anticoll len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,9); System.out.println(len); if(len<1){ System.out.println("read error"); } } System.out.println(bytesToHexString(buf)+"\n"); if(buf[2]==(byte)0x00 && buf[0]==(byte)0xaa) { cardInf.append("Anticoll success\n"); byte[] cardNum = new byte[]{buf[4],buf[5],buf[6],buf[7]}; byte[] select = new byte[]{(byte)0x55,(byte)0x00,(byte)0x43,(byte)0x04,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x47}; for(int i=0;i<4;i++) { select[i+4] = cardNum[i]; select[8] ^= cardNum[i]; } cardInf.append(bytesToHexString(select)+"\n"); len =HardwareControler.write(fd,select); System.out.println("select len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,6); System.out.println(len); if(len<1){ System.out.println("read error"); } } if(buf[2]==(byte)0x00 && buf[0]==(byte)0xaa) { cardInf.append("select success\n"); cardInf.append("Card Id:"+bytesToHexString(cardNum)+"\n"); } else { cardInf.append("select failure\n"); } } else { cardInf.append("Anticoll failure\n"); } } public void authKey3()//认证操作 { byte[] authkey3 = new byte[]{(byte)0x55,(byte)0x00,(byte)0x54,(byte)0x08,(byte)0x00,(byte)0x03,(byte)0xff,(byte)0xff,(byte)0xff,(byte)0xff,(byte)0xff,(byte)0xff,(byte)0x5f}; len =HardwareControler.write(fd,authkey3); System.out.println("authkey3 len:"+len); if(len<1){ System.out.println("write error"); } try {Thread.sleep(100);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} if (HardwareControler.select(fd,3, 0)==1) { len=HardwareControler.read(fd,buf,5); System.out.println(len); if(len<1){ System.out.println("read error"); } } if(buf[2]==(byte)0x00 && buf[0]==(byte)0xaa) { cardInf.append("authkey3 card success\n"); } else { cardInf.append("authkey3 card failure\n"); } } //把字节数组转换成十六进制字符串 public static final String bytesToHexString(byte[] bArray) { StringBuffer sb = new StringBuffer(bArray.length); String sTemp; for (int i = 0; i < bArray.length; i++) { sTemp = Integer.toHexString(0xFF & bArray[i]); if (sTemp.length() < 2) sb.append(0); sb.append(sTemp.toUpperCase()); } return sb.toString(); } class continueFindThread extends Thread// { public void run() { System.out.println("Thread run0\n"); request(); selectCard(); try {Thread.sleep(2000);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();} } }@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}} 0 0
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