Android 串口配置

Android 串口配置
\frameworks\base\core\res\res\values
values.xml

<string-array translatable="false" name="config_serialPorts">
        <item>"dev/ttyHS0"</item>
        <item>"dev/ttyHS1"</item>
        <item>"dev/ttyHS2"</item>
    </string-array>

import android.hardware.SerialManager;
import android.hardware.SerialPort;

private ByteBuffer mInputBuffer;
private ByteBuffer mOutputBuffer;
private SerialManager mSerialManager;
private SerialPort mSerialPort;

mSerialManager = (SerialManager) getSystemService(Context.SERIAL_SERVICE);
   if (mSerialManager != null) {
       mInputBuffer = ByteBuffer.allocateDirect(1024);
       mOutputBuffer = ByteBuffer.allocateDirect(1024);
   }
String[] ports = mSerialManager.getSerialPorts();
Log.d(TAG, "ports:" + ports[0]);
   if (ports != null) {
       Log.e(TAG, "onData() ports[].length: " + ports.length);
       for (int i = 0; i < ports.length; i++) {
           Log.e(TAG, "onData() mPorts[" + i + "]: " + ports[i]);
       }
   }
   if (ports != null && ports.length > 0) {
       try {
         //mSerialPort = mSerialManager.openSerialPort(ports[0], 115200);
         mSerialPort = mSerialManager.openSerialPort(ports[2], 9600);
         if (mSerialPort != null) {
             //........
                    
          }
       } catch (IOException e) {
           android.util.Log.e(TAG, "onResume: " + e.toString());
       }
	}

2025-03-27 22:33:48.748  4917-4917  SerialActivity          com.android.test                     D  ports:dev/ttyHS0
2025-03-27 22:33:48.748  4917-4917  SerialActivity          com.android.test                     E  onData() ports[].length: 3
2025-03-27 22:33:48.748  4917-4917  SerialActivity          com.android.test                     E  onData() mPorts[0]: dev/ttyHS0
2025-03-27 22:33:48.748  4917-4917  SerialActivity          com.android.test                     E  onData() mPorts[1]: dev/ttyHS1
2025-03-27 22:33:48.749  4917-4917  SerialActivity          com.android.test                     E  onData() mPorts[2]: dev/ttyHS2