安卓USB串口通信 Arduino

OkUSB
一个简洁的Android串口通信框架。

## 功能简介

- 支持设置波特率
- 支持设置数据位
- 支持设置停止位
- 支持设置校验位
- 支持DTS和RTS
- 支持串口连接状态监听

package me.zhouzhuo810.okusbdemo;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;import me.zhouzhuo810.okusbdemo.TaskerIntent;import com.hoho.android.usbserial.driver.UsbSerialPort;import java.nio.charset.Charset;import me.zhouzhuo810.okusb.USB;public class MainActivity extends AppCompatActivity { private USB usb; private EditText etData; private Button btnSend; private TextView tvResult; private Button btnClear; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); etData = (EditText) findViewById(R.id.et_data); btnSend = (Button) findViewById(R.id.btn_send); btnClear = (Button) findViewById(R.id.btn_clear); tvResult = (TextView) findViewById(R.id.tv_result); usb = new USB.USBBuilder(this) .setBaudRate(9600) .setDataBits(8) .setStopBits(UsbSerialPort.STOPBITS_1) .setParity(UsbSerialPort.PARITY_NONE) .setMaxReadBytes(20) .setReadDuration(500) .setDTR(false) .setRTS(false) .build(); usb.setOnUsbChangeListener(new USB.OnUsbChangeListener() { @Override public void onUsbConnect() { Toast.makeText(MainActivity.this, "conencted", Toast.LENGTH_SHORT).show(); } @Override public void onUsbDisconnect() { Toast.makeText(MainActivity.this, "disconencted", Toast.LENGTH_SHORT).show(); } @Override public void onDataReceive(byte[] data) {// final String rData = DataUtil.byteArrayToString(data);// tvResult.append(rData);String ss=new String(data);TaskerIntent i=new TaskerIntent("ty0");//String x=filep "下载成功";i.addParameter( ss);sendBroadcast(i);//int a=Integer.parseInt(ss);Toast.makeText(MainActivity.this,ss, Toast.LENGTH_SHORT).show(); // tvResult.setText(new String(data, Charset.forName("GB2312"))); } @Override public void onUsbConnectFailed() { Toast.makeText(MainActivity.this, "connect fail", Toast.LENGTH_SHORT).show(); } @Override public void onPermissionGranted() { Toast.makeText(MainActivity.this, "permission ok", Toast.LENGTH_SHORT).show(); } @Override public void onPermissionRefused() { Toast.makeText(MainActivity.this, "permission fail", Toast.LENGTH_SHORT).show(); } @Override public void onDriverNotSupport() { Toast.makeText(MainActivity.this, "no driver", Toast.LENGTH_SHORT).show(); } @Override public void onWriteDataFailed(String error) { Toast.makeText(MainActivity.this, "write fail" error, Toast.LENGTH_SHORT).show(); } @Override public void onWriteSuccess(int num) { Toast.makeText(MainActivity.this, "write ok " num, Toast.LENGTH_SHORT).show(); } }); btnSend.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String str = etData.getText().toString(); usb.writeData(str.getBytes(Charset.forName("GB2312")), 500); } }); btnClear.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { tvResult.setText(""); } }); } @Override protected void onDestroy() { super.onDestroy(); if (usb != null) { usb.destroy(); } }}