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Android-SerialPort-API

Fork自Google开源的Android串口通信Demo,修改成Android Studio项目

This lib is a fork of the Android serial port communication Demo open sourced by Google.

Installation & Usage

Gradle

添加依赖:

Add the dependency:

allprojects {
    repositories {
        ...
        jcenter()
        mavenCentral() // since 2.1.3
    }
}

dependencies {
        implementation 'com.licheedev:android-serialport:2.1.3'
}

Import

import android.serialport.SerialPort;

su path

In order to read/write to a serial port in Android you'll need su binary installed on device (this can be done by rooting the device). Usually Android devices that has the ability to communicate with serial ports have su installed on the default path "/system/bin/su". To change this use:

// su默认路径为 "/system/bin/su"
// The default path of su is "/system/bin/su"
// 可通过此方法修改
// If the path is different then change it using this
SerialPort.setSuPath("/system/xbin/su");

Usage

// 默认8N1(8数据位、无校验位、1停止位)
// Default 8N1 (8 data bits, no parity bit, 1 stop bit)
SerialPort serialPort = new SerialPort(path, baudrate);

// 可选配置数据位、校验位、停止位 - 7E2(7数据位、偶校验、2停止位)
// or with builder (with optional configurations) - 7E2 (7 data bits, even parity, 2 stop bits)
SerialPort serialPort = SerialPort 
    .newBuilder(path, baudrate)
// 校验位;0:无校验位(NONE,默认);1:奇校验位(ODD);2:偶校验位(EVEN)
// Check bit; 0: no check bit (NONE, default); 1: odd check bit (ODD); 2: even check bit (EVEN)
//    .parity(2) 
// 数据位,默认8;可选值为5~8
// Data bit, default 8; optional value is 5~8
//    .dataBits(7) 
// 停止位,默认1;1:1位停止位;2:2位停止位
// Stop bit, default 1; 1:1 stop bit; 2: 2 stop bit
//    .stopBits(2) 
    .build();
    
// read/write to serial port - needs to be in different thread!
InputStream in = serialPort.getInputStream();
OutputStream out = serialPort.getOutputStream();

// close
serialPort.tryClose();

实现方式参考

Implementation reference

  1. Check sample project
  2. https://juejin.im/post/5c010a19e51d456ac27b40fc

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