Svenska ElektronikForumet

Kod: Markera allt

import android
droid = android.Android()
code = droid.scanBarcode()
isbn = int(code['result']['SCAN_RESULT'])
url = “http://books.google.com?q=%d” % isbn
droid.startActivity(‘android.intent.action.VIEW’, url)

Kod: Markera allt

#include <LiquidCrystal.h> 
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);   //init the display pins
String str1 = "Ready to start";          //A welcome string

void setup(){
  lcd.begin(16, 2);
  Serial.begin(9600);
  lcd.print(str1);      //print welcome string on startup
  pinMode(13, OUTPUT);  //Pin 13 as output, the pin with the led connected

}

void loop()
{

  //this part will fill an array with data from the serial one character at the time
  char charArray[200]; //200 
  if (Serial.available()>0)
  {
    
    int i = 0;
    String commandString = "";
    while(Serial.available() > 0)
    {
      
      charArray[i] = Serial.read();
      delay(10);
      commandString = commandString + (charArray[i]);
      i++;
    } //while loop
    
    //char Read = Serial.read(); //used for trouble-shooting
    charArray[i] = '\0';
    switch (charArray[0])  // case for first character
    {
      case '#':  //turn on led if char is #
      digitalWrite(13, HIGH);
      break;  
      
      case ';': //turn off led if char is ";" | original "%" did not work
      digitalWrite(13, LOW); 
      break;
     
      default: //default is print the text sent
          delay(50);
          lcd.clear();
          lcd.print(commandString); //print the strin
          //Serial.print(commandString + '\n'); // use for trouble-shootin 
    } //switch bracket
    
 
    } //if serial bracket
    //random number, this can be changed to a sensor value with analogRead();
    delay(1000);  //seems like any quicker than this will slow it down
    int randNo = random(1,100); //random(min, max)
    Serial.println(randNo);  
} //void loop

Kod: Markera allt

# based on Jon Berg , turtlemeat.com, httpserver
# Tweaked for my purposes by Jonas Kenntoft
#!/usr/bin/env python

import string, time, serial
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer

#init the serial device
ser = serial.Serial(                            
    port='/dev/ttyACM0',
    baudrate=9600,
    parity=serial.PARITY_NONE,
    stopbits=serial.STOPBITS_ONE,
    bytesize=serial.EIGHTBITS)  

class MyHandler(BaseHTTPRequestHandler):

    #handle GET requests to webserver (our sensor value)
    def do_GET(self):
        try:
            #when Android phone requests to see whatever +".html" this happens:
            if self.path.endswith(".html"):
                #you can put whatever stuff here right now nothing happens.
                #maybe you want to get a seperate sensor value.
                self.send_response(200)
                self.send_header('Content-type',	'text/html')
                self.end_headers()
                return
            #when Android phone requests to see "/index.esp" this happens:
            if self.path.endswith(".esp"):   #esp is just random, 
                #can use any ending, make sure your android app uses it.
                
                #html responses, very necessary
                self.send_response(200)
                self.send_header('Content-type',	'text/html')
                self.end_headers()
                #Read sensor values
                read_txt = ser.readline() #read from serial and put it into var read_txt
                self.wfile.write(read_txt)      #write out read_txt to requestor (your android phone)
                return
                
            return
                
        except IOError:
            self.send_error(404,'File Not Found: %s' % self.path)
     
    #handle POST requests to webserver (our text message)
    def do_POST(self): #whenever webserver recieves POST do this:

        ser = serial.Serial( #init Arduino                           
        port='/dev/ttyACM0',
        baudrate=9600,
        parity=serial.PARITY_NONE,
        stopbits=serial.STOPBITS_ONE,
        bytesize=serial.EIGHTBITS)  
           
        #we can use endswith() to make difference for multiple posts
        post_str = self.path #POST string is in the path posted, 
        
        #post_str[1:] returns the characters after the first (0) in our case that is "/"
        #for example we send HELLO from phone, the server recieves "/HELLO"
        #and for LED ON "/#", LED OFF "/;" etc.
        ser.write(post_str[1:])
        
        #html responses, very necessary
        self.send_response(200)
        self.send_header('Content-type',	'text/html') 
        self.end_headers()
        #ser.close() #found it not to be neccessary to close the serial connection, but might be useful.
        

def main():
    try:
        server = HTTPServer(('', 80), MyHandler)
        print 'started httpserver...' #Webserver starting message
        server.serve_forever()
    #Stop server with CTRL+C    
    except KeyboardInterrupt:
        print '^C received, shutting down server'
        ser.close() #I put the serial.close() here
        server.socket.close()

if __name__ == '__main__':
    main()

Kod: Markera allt

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

Kod: Markera allt

package send.toPHP;

import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ToggleButton;


public class SendToPhp extends Activity {
	private EditText text; //input text
	private EditText ipString; //ip number string
	private TextView textRandom; //the sensor value, which is random right now
	private Timer autoUpdate;
	private ToggleButton OnOff; //on off switch value
	private SeekBar seekBar; 
	private ToggleButton ipConnect; //connect button value
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		text = (EditText) findViewById(R.id.textBox);
		ipString = (EditText) findViewById(R.id.ipBox);
		OnOff = (ToggleButton) findViewById(R.id.ledOnOff);
		seekBar = (SeekBar) findViewById(R.id.seekBar1);
		textRandom = (TextView) findViewById(R.id.randomBox);
		textRandom.setText("0"); //make the random number 0 on start-up
		ipConnect = (ToggleButton) findViewById(R.id.connectButton);
	       
		final TextView seekBarValue = (TextView)findViewById(R.id.seekBarValue);
	       
	    seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){

//this is the slide bar, does NOTHING right now but I want to combine with PWM
	   @Override
	   public void onProgressChanged(SeekBar seekBar, int progress,
	     boolean fromUser) {
	    // TODO Auto-generated method stub
	    seekBarValue.setText(String.valueOf(progress));
	   }

	   @Override
	   public void onStartTrackingTouch(SeekBar seekBar) {
	    // TODO Auto-generated method stub
	   }

	   @Override
	   public void onStopTrackingTouch(SeekBar seekBar) {
	    // TODO Auto-generated method stub
	   }
	       });
	   }    
	

//Here starts the post http function 
	public void postData(View view) {
    // Create a new HttpClient and Post Header
	//post data to web-server
	
	try {
		String IpNo = ipString.getText().toString();  //ip number
		String text_write = text.getText().toString(); //take the text from input text 
        HttpClient client = new DefaultHttpClient(); 
        //by posting like this the server will process the text_write string
        
        String postURL = "http://" + IpNo + "/"+ text_write; 
        HttpPost post = new HttpPost(postURL);
            //this part is not necessary because I only post on single line, but kept it for the future.
        	List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("text1", text_write)); 
            params.add(new BasicNameValuePair("text2", "")); //not actually in use, just empty
            UrlEncodedFormEntity ent = new UrlEncodedFormEntity(params,HTTP.UTF_8);
            post.setEntity(ent);
            HttpResponse responsePOST = client.execute(post);  
            HttpEntity resEntity = responsePOST.getEntity();  
            if (resEntity != null) {    
                Log.i("RESPONSE",EntityUtils.toString(resEntity));
            }
            //Toast code: simply sends "Text sent!"-alert after button click
            Context context = getApplicationContext(); 	//not sure what this is
            CharSequence text = "Text sent! " + "'" + text_write + "'";			//Toast text
            int duration = Toast.LENGTH_SHORT;			//Duration of the toast

            Toast toast = Toast.makeText(context, text, duration);
            toast.show();
            
    } //try
		catch (Exception e) {e.printStackTrace();}//catch
	}//post
	

	//Here starts the ON/OFF logic
	public void f_onOff(View view) {
		    // Create a new HttpClient and Post Header
			//post data to web server
	
		if (OnOff.isChecked()) { //if onOff button is checked do this:
				/*int duration1 = Toast.LENGTH_SHORT;	
				Context context1 = getApplicationContext();
				CharSequence text = "On";
		 		Toast toast = Toast.makeText(context1, text, duration1);
	            toast.show();*/ //good for trouble-shooting
	            
	            try {
		            String IpNo = ipString.getText().toString(); //get the IP address from the ipBox
		            String strOn = "#";  //the LED ON character recognized by Arduino
		            HttpClient client = new DefaultHttpClient();  
		            String postURL = "http://" + IpNo + "/"+ strOn; //post this to the server to initiate server side functions
		            HttpPost post = new HttpPost(postURL);
		                HttpResponse responsePOST = client.execute(post);  
		                HttpEntity resEntity = responsePOST.getEntity();  
			                if (resEntity != null) {    
			                    Log.i("RESPONSE",EntityUtils.toString(resEntity));
			                    }//if
			                else{}
	            }
	            catch (Exception e) {e.printStackTrace();}
	            

		}//if
		 else{ //if the onOff button is NOT checked do this:
		 		/*int duration2 = Toast.LENGTH_SHORT;	
		 		Context context2 = getApplicationContext(); 	//not sure what this is
		 		CharSequence text = "off";
		 		Toast toast = Toast.makeText(context2, text, duration2);
	            toast.show();*/ //good for trouble-shooting

	            try {	
		            String IpNo = ipString.getText().toString(); //get the IP address from the ipBox
		            String strOff = ";"; //the LED OFF character recognized by Arduino
		            HttpClient client = new DefaultHttpClient();  
		            String postURL = "http://" + IpNo + "/"+ strOff; //post this to the server to initiate server side functions
		            HttpPost post = new HttpPost(postURL);
		                HttpResponse responsePOST = client.execute(post);  
		                HttpEntity resEntity = responsePOST.getEntity();  
		                if (resEntity != null) {    
		                    Log.i("RESPONSE",EntityUtils.toString(resEntity));
		            	}//if
		                else{}
	            }//try
		        catch (Exception e) {e.printStackTrace();}
		 }//else

	 }	//LED control stops here            

//Here starts the random text box function
	public void f_random(View view){
		if (ipConnect.isChecked()) { //make sure that we are connected if connected, do this:
			
		try {
				String IpNo = ipString.getText().toString();
				HttpClient client = new DefaultHttpClient();  
		        String getURL = "http://" + IpNo + "/index.esp";
		        HttpGet get = new HttpGet(getURL);
		        HttpResponse responseGet = client.execute(get);  
		        HttpEntity resEntityGet = responseGet.getEntity();  
		        if (resEntityGet != null) {  
		        			textRandom.setText(EntityUtils.toString(resEntityGet));
		                    Log.i("GET RESPONSE",EntityUtils.toString(resEntityGet));
		                }//if
		}//try 
		catch (Exception e) {e.printStackTrace();}
			}
		else{} //if not connected do nothing
	}

//Here starts the re-run random text box, it has a auto-update function.
		@Override
		 public void onResume() {
		  super.onResume();
		  autoUpdate = new Timer();
		  autoUpdate.schedule(new TimerTask() {
		   @Override
		   public void run() {
		    runOnUiThread(new Runnable() {
		     public void run() {
		      f_random(textRandom);
		     }
		    });
		   }
		  }, 0, 5000); // updates each 5000 millisecond (5 sec)  //if troubleshooting put some huge number
		 }

		 @Override
		 public void onPause() {
		  autoUpdate.cancel();
		  super.onPause();
		 }
		//Here stops the refresh logic


} //activity bracket

Kod: Markera allt

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Write to Arduino:)</string>
    <string name="app_name">Hello Arduino</string>
    <color name="myColor">#3399CC</color>
    <string name="postData">postData</string>
    <string name="SendToHttp">Send</string>
    <string name="ip_string">IP:</string>
    <string name="random">Sensor value:</string>
    <string name="onOff">onOff</string>
    <string name="seekbarvalue">seekbarvalue</string>
</resources>

Kod: Markera allt

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="@color/myColor"
    >
    
    <EditText 
    android:id="@+id/textBox"
    android:layout_width="250dp" 
    android:layout_height="wrap_content" 
    android:inputType="text" 
    android:paddingTop="0dp" 
    android:maxLength="16"
    android:layout_marginLeft="60dp" >
    <requestFocus></requestFocus>
    </EditText>
    
    <Button 
    android:id="@+id/SendToHttp" 
    android:layout_gravity="center_horizontal" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:onClick="postData" 
    android:text="@string/SendToHttp" 
    android:layout_below="@+id/editText1"></Button>
    
    <TextView 
    android:id="@+id/ipText"
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="@string/ip_string" 
    android:layout_below="@+id/SendToHttp" 
    android:layout_marginTop="10dp"
    android:layout_marginLeft="15dp" 
    android:textStyle="bold" 
    android:textSize="20dp" 
    ></TextView>
    
    <EditText 
    android:id="@+id/ipBox"
    android:layout_height="wrap_content" 
    android:text="192.168.1.103" 
    android:layout_width="171dp" 
    android:layout_marginLeft="50dp" 
    android:layout_below="@+id/SendToHttp" 
    ></EditText>
    
    <TextView 
    android:id="@+id/toggleText" 
    android:layout_width="wrap_content" 
    android:layout_height="50dp"
    android:layout_alignLeft="@+id/textView2"
    android:layout_marginTop="25dp" 
    android:layout_below="@+id/ipText" 
    android:text="LED switch"
    android:textStyle="bold" 
    android:textSize="15dp"  
    ></TextView> 
    
    <ToggleButton 
    android:id="@+id/connectButton"
    android:layout_height="wrap_content" 
    android:layout_width="wrap_content" 
    android:layout_below="@+id/textBox" 
    android:layout_alignLeft="@+id/ipBox"
    android:layout_marginLeft="180dp"
    android:layout_marginTop="3dp"
    android:textOff="Connect"
    android:textOn="Connected"
    android:onClick="f_random"
    ></ToggleButton>
       
    <ToggleButton android:id="@+id/ledOnOff"
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_below="@+id/ipText" 
    android:layout_marginTop="15dp"
    android:textOff="Off"
    android:textOn="On"
    android:layout_marginLeft="85dp" 
    android:onClick="f_onOff"
    ></ToggleButton>
       
    <TextView android:id="@+id/randomBox" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content"
    android:text="[random no]" 
    android:layout_below="@+id/ledOnOff" 
    android:textStyle="bold" 
    android:textSize="20dp" 
    android:layout_marginLeft="135dp"></TextView>
    
    <TextView android:id="@+id/randomText"
    android:layout_width="wrap_content" 
    android:layout_height="50dp"
    android:layout_alignLeft="@+id/textView2"
    android:layout_marginTop="0dp" 
    android:layout_below="@+id/ledOnOff" 
    android:text="@string/random"
    android:textStyle="bold" 
    android:textSize="20dp"  
    ></TextView>
    
    <SeekBar android:id="@+id/seekBar1" 
    android:layout_width="150dp" 
    android:layout_height="wrap_content" 
	android:layout_below="@+id/randomText"
	></SeekBar>
	
    <TextView 
    android:id="@+id/seekBarValue"
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="Value" 
    android:layout_alignTop="@+id/seekBar1" 
    android:layout_alignRight="@+id/ipBox" 
    ></TextView>
   
</RelativeLayout>