kopia lustrzana https://github.com/felHR85/UsbSerial
added SerialPortBuilder
Felipe Herranz
rodzic
8b5a23c57f
commit
e6a7062242
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@ -0,0 +1,167 @@
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package com.felhr.usbserial;
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import android.app.PendingIntent;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.hardware.usb.UsbDevice;
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import android.hardware.usb.UsbManager;
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import android.os.Handler;
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import com.annimon.stream.Stream;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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public class SerialPortBuilder {
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private static final String ACTION_USB_PERMISSION = "com.felhr.usbserial.USB_PERMISSION";
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private static final int MODE_START = 0;
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private static final int MODE_OPEN = 1;
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private static SerialPortBuilder SerialPortBuilder;
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private List<UsbDevice> devices;
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private List<UsbSerialDevice> serialDevices = new ArrayList<>();
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private int index = 0;
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private UsbManager usbManager;
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private SerialPortCallback serialPortCallback;
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private InitSerialPortThread initSerialPortThread;
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private int baudRate, dataBits, stopBits, parity, flowControl;
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private int mode = 0;
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private SerialPortBuilder(SerialPortCallback serialPortCallback){
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this.serialPortCallback = serialPortCallback;
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}
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public static SerialPortBuilder createSerialPortBuilder(SerialPortCallback serialPortCallback){
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if(SerialPortBuilder == null) {
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SerialPortBuilder = new SerialPortBuilder(serialPortCallback);
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return SerialPortBuilder;
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}else {
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return SerialPortBuilder;
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}
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}
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public List<UsbDevice> getPossibleSerialPorts(){
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HashMap<String, UsbDevice> allDevices = usbManager.getDeviceList();
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return Stream.of(allDevices.values()).filter(
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p -> UsbSerialDevice.isSupported(p))
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.toList();
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}
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public boolean getSerialPorts(Context context){
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devices = getPossibleSerialPorts();
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if(devices == null || devices.size() == 0)
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return false;
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initReceiver(context);
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usbManager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
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requestPermission(context);
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return true;
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}
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public boolean openSerialPorts(Context context, int baudRate, int dataBits,
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int stopBits, int parity, int flowControl){
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this.baudRate = baudRate;
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this.dataBits = dataBits;
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this.stopBits = stopBits;
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this.parity = parity;
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this.flowControl = flowControl;
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this.mode = MODE_OPEN;
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return getSerialPorts(context);
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}
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private void requestPermission(Context context){
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PendingIntent mPendingIntent = PendingIntent.getBroadcast(context, 0, new Intent(ACTION_USB_PERMISSION), 0);
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usbManager.requestPermission(devices.get(index), mPendingIntent);
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}
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private void initReceiver(Context context){
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IntentFilter filter = new IntentFilter();
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filter.addAction(ACTION_USB_PERMISSION);
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context.registerReceiver(usbReceiver, filter);
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}
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private void createAllPorts(UsbDevice usbDevice){
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int interfaceCount = usbDevice.getInterfaceCount();
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for(int i=0;i<=interfaceCount-1;i++) {
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//TODO: Maybe opening the same device more than once causes troubles!!!
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UsbSerialDevice usbSerialDevice = UsbSerialDevice.createUsbSerialDevice(usbDevice,
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usbManager.openDevice(usbDevice),
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i);
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serialDevices.add(usbSerialDevice);
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}
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}
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private final BroadcastReceiver usbReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (intent.getAction().equals(ACTION_USB_PERMISSION)) {
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boolean granted = intent.getExtras().getBoolean(UsbManager.EXTRA_PERMISSION_GRANTED);
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if (granted) {
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createAllPorts(devices.get(index));
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index++;
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if(index < devices.size()){
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requestPermission(context);
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}else{
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if(mode == MODE_START) {
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serialPortCallback.onSerialPortsDetected(serialDevices, false);
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}else{
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initSerialPortThread = new InitSerialPortThread(serialDevices);
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initSerialPortThread.start();
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}
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}
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} else {
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index++;
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if(index < devices.size()){
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requestPermission(context);
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}else{
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if(mode == MODE_START) {
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serialPortCallback.onSerialPortsDetected(serialDevices, false);
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}else{
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initSerialPortThread = new InitSerialPortThread(serialDevices);
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initSerialPortThread.start();
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}
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}
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}
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}
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}
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};
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private class InitSerialPortThread extends Thread {
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private List<UsbSerialDevice> usbSerialDevices;
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public InitSerialPortThread(List<UsbSerialDevice> usbSerialDevices) {
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this.usbSerialDevices = usbSerialDevices;
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}
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@Override
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public void run() {
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for (UsbSerialDevice usbSerialDevice : usbSerialDevices) {
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if (usbSerialDevice.syncOpen()) {
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usbSerialDevice.setBaudRate(baudRate);
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usbSerialDevice.setDataBits(dataBits);
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usbSerialDevice.setStopBits(stopBits);
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usbSerialDevice.setParity(parity);
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usbSerialDevice.setFlowControl(flowControl);
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}
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}
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serialPortCallback.onSerialPortsDetected(serialDevices, true);
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}
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}
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}
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@ -0,0 +1,8 @@
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package com.felhr.usbserial;
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import java.util.List;
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public interface SerialPortCallback {
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void onSerialPortsDetected(List<UsbSerialDevice> serialPorts, boolean opened);
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}
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@ -1,8 +0,0 @@
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package com.felhr.usbserial;
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import java.util.List;
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public interface UsbPermissionInterface {
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void permissionsCallback(List<UsbSerialDevice> serialPorts);
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}
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