Android Easy Serial Port

Android serial port read/write library.

Quick Start

1. Import AAR

   Gradle or Download SerialPort

   //kotlin
   dependencies {
       implementation("cn.lalaki:SerialPort.Android:1.4")
   }

   //groovy
   dependencies {
       implementation 'cn.lalaki:SerialPort.Android:1.4'
   }

2. Code Sample

   //Kotlin
   val b115200 = "0010002".toInt(8)
   val serialPort = SerialPort("/dev/ttySX", b115200, object : SerialPort.DataCallback {
       override fun onData(data: ByteArray) {
           //...
       }
   })
   
   serialPort.write(byte[])
   
   serialPort.close()

   //Java
   import cn.lalaki.SerialPort;
   
   SerialPort serialPort1 = new SerialPort("/dev/ttySX",0010002,null);  // write only
   serialPort1.write(byte[]);
   
   SerialPort serialPort2 = new SerialPort("/dev/ttySX", 0010002, new SerialPort.DataCallback() {
       @Override
       public void onData(@Nullable byte[] data) {
           //...
       }
   });
   serialPort2.write(byte[]);
   serialPort2.close();

3. Params

   new SerialPort(path, speed, callback);

   param	value	type	example
   path	Serial port path	String	"dev/ttyS0"
   speed is baud rate	See termbits.h	int	B9600 value is 0000015, B115200 value is 0010002
   callback	DataCallback	interface	...

4. Common problems

   ### Checking Permissions
   adb shell
   su
   setenforce 0
   chmod 0766 /dev/ttyS*

Demo

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