add hardware bandwidth option

Author: jvde-github

app/build.gradle

@@ -10,8 +10,8 @@ android {
         applicationId "com.jvdegithub.aiscatcher"
         minSdk 22
         targetSdk 32
-        versionCode 24
-        versionName '0.24'
+        versionCode 25
+        versionName '0.25'
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {

app/src/main/java/com/jvdegithub/aiscatcher/Settings.java

@@ -60,6 +60,7 @@ static void setDefault(Context context) {
         preferences.edit().putString("rTUNER", "Auto").commit();
         preferences.edit().putBoolean("rBIASTEE", false).commit();
         preferences.edit().putString("rFREQOFFSET", "0").commit();
+        preferences.edit().putBoolean("rBANDWIDTH", false).commit();
 
         preferences.edit().putString("tRATE", "240K").commit();
         preferences.edit().putString("tTUNER", "Auto").commit();
@@ -201,6 +202,8 @@ static public boolean Apply(Context context) {
             return false;
         if (!SetDeviceInteger(new String[]{"mLINEARITY", "sGAIN"}, context)) return false;
 
+        if(!SetRTLbandwidth(context)) return false;
+
         if (!SetUDPoutput("u1", context)) return false;
         if (!SetUDPoutput("u2", context)) return false;
         return true;
@@ -241,6 +244,17 @@ static private boolean SetDevice(String[] settings, Context context) {
         return true;
     }
 
+    static private boolean SetRTLbandwidth(Context context)
+    {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+        boolean b = preferences.getBoolean("rBANDWIDTH", false);
+        if(b) {
+            if (AisCatcherJava.applySetting("r", "BW", "192000") != 0)
+                return false;
+        }
+        return true;
+    }
+
     static private boolean SetDeviceBoolean(String[] settings, String st, String sf, Context context) {
         SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
 

app/src/main/jni/JNI/AIScatcherNDK.cpp

@@ -270,7 +270,7 @@ Java_com_jvdegithub_aiscatcher_AisCatcherJava_InitNative(JNIEnv *env, jclass ins
     javaVersion = env->GetVersion();
     javaClass = (jclass) env->NewGlobalRef(instance);
 
-    callbackConsole(env, "AIS-Catcher " VERSION "-24\n");
+    callbackConsole(env, "AIS-Catcher " VERSION "-25\n");
     memset(&statistics, 0, sizeof(statistics));
 
     return 0;
@@ -334,6 +334,7 @@ Java_com_jvdegithub_aiscatcher_AisCatcherJava_Run(JNIEnv *env, jclass) {
 
     const int TIME_INTERVAL = 1000;
     const int TIME_MAX = (TIME_CONSTRAINT * 1000) / TIME_INTERVAL;
+    const TAG tag;
 
     try {
         callbackConsole(env, "Creating output channels\n");
@@ -344,6 +345,7 @@ Java_com_jvdegithub_aiscatcher_AisCatcherJava_Run(JNIEnv *env, jclass) {
         }
 
         callbackConsole(env, "Starting device\n");
+        device->setTag(tag);
         device->Play();
 
         stop = false;

app/src/main/res/xml/preferences.xml

@@ -40,6 +40,11 @@
             android:summary="Frequency Correction"
             android:title="Frequency Correction (PPM)"/>
 
+        <SwitchPreferenceCompat
+            android:key="rBANDWIDTH"
+            android:summary="Use device bandwidth filter"
+            android:defaultValue="False"
+            android:title="RTL bandwidth filter"/>
 
     </PreferenceCategory>