Cleanup

codec2talkie/src/main/java/com/radio/codec2talkie/connect/UsbConnectActivity.java

@@ -92,7 +92,7 @@ public class UsbConnectActivity extends AppCompatActivity {
         customTable.addProduct(0x1b4f, 0x9204, CdcAcmSerialDriver.class);
         // Arduino Due
         customTable.addProduct(0x2341, 0x003d, CdcAcmSerialDriver.class);
-        // STM
+        // STM, MCHF
         customTable.addProduct(0x0483, 0x5732, CdcAcmSerialDriver.class);
         return new UsbSerialProber(customTable);
     }

codec2talkie/src/main/java/com/radio/codec2talkie/rigctl/Ft817.java

@@ -3,14 +3,10 @@ package com.radio.codec2talkie.rigctl;
 import android.content.Context;
 import android.util.Log;
 
-import com.radio.codec2talkie.protocol.Hdlc;
-import com.radio.codec2talkie.tools.UnitTools;
 import com.radio.codec2talkie.transport.Transport;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
-import java.util.Timer;
-import java.util.TimerTask;
 
 // http://www.ka7oei.com/ft817_meow.html
 public class Ft817 implements RigCtl {