使用HC-06蓝牙模块将数据从Android发送到Arduino

我已经创建了一个Android应用程序,可以使用蓝牙与我的Arduino进行通信.但是当我从我的Android设备向Arduino发送数据时,Arduino没有响应我发送的内容.我可以从我的Android设备连接到我的Arduino.所以这不是问题.

这是我的Android完整脚本.

package nl.handoko.LumaMini;

import java.io.IOException;
import java.io.OutputStream;
import java.util.UUID;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
    private static final String TAG = "LumaMini";
      private static final int REQUEST_ENABLE_BT = 1;
      private BluetoothAdapter btAdapter = null;
      private BluetoothSocket btSocket = null;
      private OutputStream outStream = null;

      Button fourty, thirty, twenty, twelve, automatic, manual;
      TextView message;

      // Well known SPP UUID
      private static final UUID MY_UUID =
          UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); 

      // Server's MAC address
      private static String address = "98:D3:31:30:09:43";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG, "In onCreate()");
        setContentView(R.layout.activity_mainnn);

        fourty = (Button) findViewById(R.id.button1);
        thirty = (Button) findViewById(R.id.button4);
        twenty = (Button) findViewById(R.id.button2);
        twelve = (Button) findViewById(R.id.button5);
        automatic = (Button) findViewById(R.id.button3);
        manual = (Button) findViewById(R.id.button6);

        message = (TextView) findViewById(R.id.textView1);

        fourty.setText("40 Leds");
        thirty.setText("30 Leds");
        twenty.setText("20 Leds");
        twelve.setText("12 Leds");
        automatic.setText("Automatic");
        manual.setText("Manual");
        message.setText("Using this app you can take full control of the Luma Mini!" +
                "When it's running on automatic please switch back to manual first before switching to other versions.");

        btAdapter = BluetoothAdapter.getDefaultAdapter();
        checkBTState();

        fourty.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
              sendData("a");
              Toast msg = Toast.makeText(getBaseContext(),
                  "40 Leds version", Toast.LENGTH_SHORT);
              msg.show();
            }
          });
        thirty.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
              sendData("b");
              Toast msg = Toast.makeText(getBaseContext(),
                  "30 Leds version", Toast.LENGTH_SHORT);
              msg.show();
            }
          });
        twenty.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
              sendData("c");
              Toast msg = Toast.makeText(getBaseContext(),
                  "20 Leds version", Toast.LENGTH_SHORT);
              msg.show();
            }
          });
        twelve.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
              sendData("d");
              Toast msg = Toast.makeText(getBaseContext(),
                  "12 Leds version", Toast.LENGTH_SHORT);
              msg.show();
            }
          });
        automatic.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
              sendData("e");
              Toast msg = Toast.makeText(getBaseContext(),
                  "Run automatically", Toast.LENGTH_SHORT);
              msg.show();
            }
          });
        manual.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
              sendData("f");
              Toast msg = Toast.makeText(getBaseContext(),
                  "Manually switch Leds", Toast.LENGTH_SHORT);
              msg.show();
            }
          });
        }
    @Override
    public void onResume() {
      super.onResume();

      Log.d(TAG, "...In onResume - Attempting client connect...");

      // Set up a pointer to the remote node using it's address.
      BluetoothDevice device = btAdapter.getRemoteDevice(address);

      // Two things are needed to make a connection:
      //   A MAC address, which we got above.
      //   A Service ID or UUID.  In this case we are using the
      //     UUID for SPP.
      try {
        btSocket = device.createRfcommSocketToServiceRecord(MY_UUID);
      } catch (IOException e) {
        errorExit("Fatal Error", "In onResume() and socket create failed: " + e.getMessage() + ".");
      }

      // Discovery is resource intensive.  Make sure it isn't going on
      // when you attempt to connect and pass your message.
      btAdapter.cancelDiscovery();

      // Establish the connection.  This will block until it connects.
      Log.d(TAG, "...Connecting to Remote...");
      try {
        btSocket.connect();
        Log.d(TAG, "...Connection established and data link opened...");
      } catch (IOException e) {
        try {
          btSocket.close();
        } catch (IOException e2) {
          errorExit("Fatal Error", "In onResume() and unable to close socket during connection failure" + e2.getMessage() + ".");
        }
      }

      // Create a data stream so we can talk to server.
      Log.d(TAG, "...Creating Socket...");

      try {
        outStream = btSocket.getOutputStream();
      } catch (IOException e) {
        errorExit("Fatal Error", "In onResume() and output stream creation failed:" + e.getMessage() + ".");
      }
    }

    @Override
    public void onPause() {
      super.onPause();

      Log.d(TAG, "...In onPause()...");

      if (outStream != null) {
        try {
          outStream.flush();
        } catch (IOException e) {
          errorExit("Fatal Error", "In onPause() and failed to flush output stream: " + e.getMessage() + ".");
        }
      }

      try     {
        btSocket.close();
      } catch (IOException e2) {
        errorExit("Fatal Error", "In onPause() and failed to close socket." + e2.getMessage() + ".");
      }
    }

    private void checkBTState() {
      // Check for Bluetooth support and then check to make sure it is turned on

      // Emulator doesn't support Bluetooth and will return null
      if(btAdapter==null) { 
        errorExit("Fatal Error", "Bluetooth Not supported. Aborting.");
      } else {
        if (btAdapter.isEnabled()) {
          Log.d(TAG, "...Bluetooth is enabled...");
        } else {
          //Prompt user to turn on Bluetooth
          Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
          startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
        }
      }
    }

    private void errorExit(String title, String message){
      Toast msg = Toast.makeText(getBaseContext(),
          title + " - " + message, Toast.LENGTH_SHORT);
      msg.show();
      finish();
    }

    private void sendData(String message) {
      byte[] msgBuffer = message.getBytes();

      Log.d(TAG, "...Sending data: " + message + "...");

      try {
        outStream.write(msgBuffer);
      } catch (IOException e) {
        String msg = "In onResume() and an exception occurred during write: " + e.getMessage();
        msg = msg +  ".\n\nCheck that the SPP UUID: " + MY_UUID.toString() + " exists on server.\n\n";

        errorExit("Fatal Error", msg);       
      }
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}

这是我的Arduino脚本:

#include 
#include 

#define Rx 2
#define Tx 3
#define seconds 4

char serialData;                                                          // Serial data memory
int counter1;                                                             // Overflow memory
int action;                                                               // Action trigger
int once = 0;                                                             // Run only once

SoftwareSerial Bluetooth(Rx, Tx);

void setup(){
pinMode(Tx, OUTPUT);                                                    // Configure Tx as OUTPUT (Transmitter)
  pinMode(Rx, INPUT);
  delay(1000);
  Bluetooth.begin(9600);
  Serial.begin(1200);
  delay(1000);
  Serial.print("Bluetooth ready");
  Bluetooth.flush();
  TimerOneSetup();                                                        // Run the setup for Timer One
  for(int i = 5; i <= 8; i++){                                            // Make pins 5, 6, 7 and 8 OUTPUT
    pinMode(i, OUTPUT);
  }
}

void interrupt1(){                                                        // Timer One loop
  counter1++;                                                             // Count the amount of seconds has passed
  if (counter1 == seconds){                                               // Trigger the next action after a several amount of seconds (Default: 4 seconds)
    action++;
    counter1 = 0;
  }
  if (action > 3){                                                        // Reset action trigger when after all actions were runned
    action = 0;
  }
}

void loop(){                                                              // Endless loop
  if (Serial.available()){                                                // Wait for data recieved from Local device
    serialData = Serial.read();                                           // Put recieved data in memory
    Serial.print("Data recieved from Local device: ");
    Serial.println(serialData);
  }
  if (Bluetooth.available()){                                             // Wait for data recieved from Bluetooth device
    serialData = Bluetooth.read();                                        // Put recieved data in memory
    Serial.print("Data recieved from Bluetooth device: ");
    Serial.print(serialData);
  }
  if (once == 0){                                                         // This script will be run only once
    serialData = 'e';                                                     // Put switch on automatic on startup
    once++;                                                               // Get into the next stage which may be run only once
  }
  switch(serialData){                                                     // Perform action on state of the switch
    case 'a':
      fourtyLeds();                                                       // Show the 40 Leds version of the Luma Mini
      break;
    case 'b':
      thirtyLeds();                                                       // Show the 30 Leds version of the Luma Mini
      break;
    case 'c':
      twentyLeds();                                                       // Show the 20 Leds version of the Luma Mini
      break;
    case 'd':
      twelveLeds();                                                       // Show the 12 Leds version of the Luma Mini
      break;
    case 'e':
      while(serialData == 'e'){                                           // Keep changing different Led versions of the Luma Mini automatically
      switch(action){
        case 0:                                                           // Wait for the action trigger to hit the first action
          fourtyLeds();                                                   // Show the 40 Leds version of the Luma Mini
        break;
        case 1:                                                           // Wait for the action trigger to hit the second action
          twelveLeds();                                                   // Show the 12 Leds version of the Luma Mini
        break;
        case 2:                                                           // Wait for the action trigger to hit the third action
          twentyLeds();                                                   // Show the 20 Leds version of the Luma Mini
        break;
        case 4:                                                           // Wait for the action trigger to hit the fourth action
          thirtyLeds();                                                   // Show the 30 Leds version of the Luma Mini
        break;}
        if (Serial.read() == 'f'){                                        // Wait for data recieved from Local device
          serialData = Serial.read();                                     // Put recieved data in memory
          Serial.print("Data recieved from Local device: ");
          Serial.println(serialData);
        }
        if (Bluetooth.read() == 'f'){                                     // Wait for data recieved from Bluetooth device
          serialData = Bluetooth.read();                                  // Put recieved data in memory
          Serial.print("Data recieved from Bluetooth device: ");
          Serial.println(serialData);
        }
        break;
      }
  }
}

void BluetoothSetup(){
  pinMode(Tx, OUTPUT);                                                    // Configure Tx as OUTPUT (Transmitter)
  pinMode(Rx, INPUT);                                                     // Configure Rx as INPUT (Reciever)

  Bluetooth.begin(9600);                                                 // Set Bluetooth baud rate to default baud rate 38400
  Bluetooth.print("\r\n+STWMOD=0\r\n");                                   // Set the Bluetooth to work in slave mode
  Bluetooth.print("\r\n+STNA=Luma Mini\r\n");                             // Set Bluetooth name to Luma Mini
  Bluetooth.print("\r\n+STOAUT=1\r\n");                                   // Permit paired device to connect
  Bluetooth.print("\r\n+STAUTO=0\r\n");                                   // Auto-connection should be forbidden here
  delay(2000);
  Bluetooth.print("\r\n+INQ=1\r\n");                                      // Make this Bluetooth Slave inquirable
  Serial.println("The slave Bluetooth is inquirable!");
  delay(2000);
  Bluetooth.flush();
}

void TimerOneSetup(){
  Timer1.initialize(1000000);                                             // Initialize Timer One for an overflow exactly every 1 second
  Timer1.attachInterrupt(interrupt1);                                     // Open the Timer One loop
} 

void fourtyLeds(){                                                        // Show the 40 Leds version of the Luma Mini
  for(int i = 5; i <= 8; i++){
    digitalWrite(i, LOW);
  }
}

void thirtyLeds(){                                                        // Show the 30 Leds version of the Luma Mini
  digitalWrite(5, HIGH);
  digitalWrite(6, LOW);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
}

void twentyLeds(){                                                        // Show the 20 Leds version of the Luma Mini
  digitalWrite(5, HIGH);
  digitalWrite(6, HIGH);
  digitalWrite(7, LOW);
  digitalWrite(8, HIGH);
}

void twelveLeds(){                                                        // Show the 12 Leds version of the Luma Mini
  for (int i = 5; i <= 8; i++){
    digitalWrite(i, HIGH);
  }
}

我的问题:如何将Android数据中的CHAR数据发送到我的Arduino？在我的脚本上编辑什么？