added usbserial lib

2022-03-31 21:31:40 +02:00 · 2022-03-31 21:31:40 +02:00 · 6a0b429a22
parent 7747d0f876
commit 6a0b429a22
5 changed files with 94 additions and 57 deletions
--- a/app/build.gradle
+++ b/app/build.gradle
@ -4,7 +4,7 @@ android {
    compileSdkVersion 30
    defaultConfig {
        applicationId "hendrikschutter.com.externgnss"
-        minSdkVersion 14
+        minSdkVersion 17
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"
@ -27,4 +27,5 @@ dependencies {
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    implementation 'com.github.mik3y:usb-serial-for-android:3.4.4'
 }
--- a/app/src/main/java/hendrikschutter/com/externgnss/ExternGNSS.java
+++ b/app/src/main/java/hendrikschutter/com/externgnss/ExternGNSS.java
@ -0,0 +1,65 @@
+package hendrikschutter.com.externgnss;
+
+import android.content.Context;
+import android.hardware.usb.UsbDeviceConnection;
+import android.hardware.usb.UsbManager;
+import android.util.Log;
+import android.widget.EditText;
+
+import com.hoho.android.usbserial.driver.UsbSerialDriver;
+import com.hoho.android.usbserial.driver.UsbSerialPort;
+import com.hoho.android.usbserial.driver.UsbSerialProber;
+import com.hoho.android.usbserial.util.SerialInputOutputManager;
+
+import java.io.IOException;
+import java.util.List;
+
+
+
+public class ExternGNSS implements SerialInputOutputManager.Listener {
+    private MainActivity uiactivity;
+    ExternGNSS(UsbManager manager, MainActivity mainactivity) {
+        Log.i("HAG", "init extern gnss");
+    this.uiactivity = mainactivity;
+        // Find all available drivers from attached devices.
+        List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(manager);
+        if (availableDrivers.isEmpty()) {
+            return;
+        }
+
+        // Open a connection to the first available driver.
+        UsbSerialDriver driver = availableDrivers.get(0);
+        UsbDeviceConnection connection = manager.openDevice(driver.getDevice());
+        if (connection == null) {
+            // add UsbManager.requestPermission(driver.getDevice(), ..) handling here
+            return;
+        }
+
+        UsbSerialPort port = driver.getPorts().get(0); // Most devices have just one port (port 0)
+        try {
+            port.open(connection);
+            port.setParameters(9600, 8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE);
+
+            SerialInputOutputManager usbIoManager = new SerialInputOutputManager(port, this);
+            usbIoManager.start();
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void onNewData(byte[] data) {
+        //runOnUiThread(() -> { textView.append(new String(data)); });
+        Log.i("HAG", new String(data));
+        if( this.uiactivity != null){
+            this.uiactivity.setExternGnss(new String(data));
+        }
+    }
+
+    @Override
+    public void onRunError(Exception e) {
+
+    }
+
+}
--- a/app/src/main/java/hendrikschutter/com/externgnss/MainActivity.java
+++ b/app/src/main/java/hendrikschutter/com/externgnss/MainActivity.java
@ -3,6 +3,7 @@ package hendrikschutter.com.externgnss;
 import android.Manifest;
 import android.annotation.SuppressLint;
 import android.content.Context;
+import android.hardware.usb.UsbManager;
 import android.location.LocationListener;
 import android.location.LocationManager;
 import androidx.appcompat.app.AppCompatActivity;
@ -11,10 +12,8 @@ import android.util.Log;
 import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
-
 import pub.devrel.easypermissions.AfterPermissionGranted;
 import pub.devrel.easypermissions.EasyPermissions;
-
 import static java.lang.Thread.sleep;

 public class MainActivity extends AppCompatActivity {
@ -30,8 +29,14 @@ public class MainActivity extends AppCompatActivity {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        startLocationInit();
+        UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
+        Log.i("HAG", "init app");
+        ExternGNSS tmp = new ExternGNSS(manager, this);
+
    }

+
+
    // From https://github.com/googlesamples/easypermissions
    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
@ -46,20 +51,6 @@ public class MainActivity extends AppCompatActivity {
            // Already have permission, do the thing
            Toast.makeText(cntxToastInternGNSSUpdate, "Permission granted!", Toast.LENGTH_SHORT).show();

-            // Get the output UI
-           // output = (TextView) findViewById(R.id.interngnssLongTextView);
-
-            // Test print
-            ///printlnOnView(output, "Running!");
-
-            locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
-            //List<String> providers = locationManager.getAllProviders();
-
-            //for (String temp : providers) {
-                // System.out.println(temp);
-                //printProvider(temp);
-            //}
-
        } else {
            // Do not have permissions, request them now
            EasyPermissions.requestPermissions(this, "We require location access!!!",
@ -67,18 +58,6 @@ public class MainActivity extends AppCompatActivity {
        }
    }

-/*
-    private void printProvider(String provider) {
-        LocationProvider info = locationManager.getProvider(provider);
-        output.append("Name: " + info.getName() + "\n");
-        output.append("Accuracy: " + info.getAccuracy() + "\n");
-        output.append("PowerReq.: " + info.getPowerRequirement() + "\n");
-        output.append("CellIDReq.: " + info.requiresCell() + "\n");
-        output.append("NetworkReq.: " + info.requiresNetwork() + "\n");
-        output.append("SatReq.: " + info.requiresSatellite() + "\n\n");
-    }
-    */
-
    private void setEditTextLabel(final EditText v, final String str) {
        Runnable myRun = new Runnable() {
            public void run() {
@ -87,46 +66,24 @@ public class MainActivity extends AppCompatActivity {
        };
        runOnUiThread(myRun);
    }
-  /*
-    private void printOnView(final TextView v, final String str) {
+
+    public void setExternGnss( final String str) {
        Runnable myRun = new Runnable() {
            public void run() {
+                final TextView v =  (TextView) findViewById(R.id.externGNSSTextView);
                v.append(str);
            }
        };
        runOnUiThread(myRun);
    }

-    public void addToString(Location loc) {
-        //Verwendet die Variablen centerLat & centerLng
-        String time = loc.getTime() +"";
-        String latStr = Double.toString(loc.getLatitude());
-        String lngStr = Double.toString(loc.getLongitude());
-        String acc = loc.getAccuracy() + "";
-        String numOfSat = loc.getExtras().getInt("satellites") +"";
-        String satStr = "";
-        String distStr = "";
-        // Bestimme die Distanz (Fix <-> Center)
-        Location locationA = new Location("Center");
-        locationA.setLatitude(Double.valueOf(centerLat));
-        locationA.setLongitude(Double.valueOf(centerLng));
-        Location locationB = new Location("Fix");
-        locationB.setLatitude(Double.valueOf(latStr));
-        locationB.setLongitude(Double.valueOf(lngStr));
-        distStr = locationA.distanceTo(locationB) + "";
-        logString = logString + time + ";"; logString = logString + numOfSat + ";"; logString = logString + distStr +
-                ";"; logString = logString + acc + ";"; logString = logString + latStr + ";"; logString = logString + lngStr
-                + ";"; logString = logString + centerLat + ";"; logString = logString + centerLng + ";"; logString =
-                logString + satStr + ";"; logString = logString + "\n";
-    }
-     */
-
    @SuppressLint("MissingPermission")
    @Override
    protected void onResume() {
        super.onResume();
        if (!EasyPermissions.hasPermissions(this, perms)) {
            // Dummy thread ...
+            /*
            new Thread(new Runnable() {
                @Override
                public void run() {
@ -140,14 +97,18 @@ public class MainActivity extends AppCompatActivity {
                    }
                }
            }).start();
+             */
        } else {
-            locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
+            if(locationManager != null){
+                locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
+            }
+
            // Worker-Thread
            new Thread(
                    new Runnable() {
                        @Override
                        public void run() {
-                            while (doRun) {
+                            while (doRun && (locationManager != null)) {
                                if (locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER) != null) {
                                    setEditTextLabel((EditText) findViewById(R.id.interngnssLatNumber), String.format( "%.6f", locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLatitude()));
                                    setEditTextLabel((EditText) findViewById(R.id.interngnssLongNumber), String.format( "%.6f", locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLongitude()));
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@ -151,4 +151,13 @@
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/interngnssAccuracyNumber" />

+    <TextView
+        android:id="@+id/externGNSSTextView"
+        android:layout_width="360dp"
+        android:layout_height="347dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="300dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
--- a/build.gradle
+++ b/build.gradle
@ -17,6 +17,7 @@ allprojects {
    repositories {
        google()
        mavenCentral()
+        maven { url 'https://jitpack.io' }
    }
 }