Arduino CSV

surendharreddy · surendharreddy · commit 88e1a41e5eb9 · 2015-07-21T12:35:00.000+05:30
diff --git a/Sensor-CSV/Arduino-CSV/Sensor-CSV/Sensor-CSV.ino b/Sensor-CSV/Arduino-CSV/Sensor-CSV/Sensor-CSV.ino
@@ -0,0 +1,36 @@
+//TMP36 Pin Variables
+int sensorPin = 0; //the analog pin the TMP36's Vout (sense) pin is connected to
+                   //the resolution is 10 mV / degree centigrade with a
+                   //500 mV offset to allow for negative temperatures
+ 
+/*
+ * setup() - this function runs once when you turn your Arduino on
+ * We initialize the serial connection with the computer
+ */
+void setup()
+{
+  Serial.begin(9600);  //Start the serial connection with the computer
+                       //to view the result open the serial monitor 
+}
+ 
+void loop()                     // run over and over again
+{
+ //getting the voltage reading from the temperature sensor
+ int reading = analogRead(sensorPin);  
+ 
+ // converting that reading to voltage, for 3.3v arduino use 3.3
+ float voltage = reading * 5.0;
+ voltage /= 1024.0; 
+ 
+ // now calculate temperature in Celcius
+ float temperatureC = (voltage - 0.5) * 100 ;  //converting from 10 mv per degree wit 500 mV offset
+                                               //to degrees ((voltage - 500mV) times 100)
+                                               
+ // now convert to Fahrenheit
+ float temperatureF = (temperatureC * 9.0 / 5.0) + 32.0;
+ Serial.print(temperatureF); Serial.println("F");
+ 
+ delay(1000);                                     //waiting a second
+}
+
+
diff --git a/Sensor-CSV/Processing-CSV/Sensor_CSV/Sensor_CSV.pde b/Sensor-CSV/Processing-CSV/Sensor_CSV/Sensor_CSV.pde
@@ -0,0 +1,82 @@
+import processing.serial.*;
+Serial myPort;
+String sensorReading="";
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+String outFilename = "data.csv";
+
+String timestamp = "";
+
+void setup() {
+  size(400,200);
+  myPort = new Serial(this,"/dev/cu.usbmodem1411", 9600);       //Arduino Port 
+  myPort.bufferUntil('\n');
+  writeText("data visualization, stop with any key");            //Data Vizualization
+  
+}
+
+void draw() {
+  //The serialEvent controls the display
+}  
+
+void serialEvent (Serial myPort){
+ sensorReading = myPort.readStringUntil('\n');
+  if(sensorReading != null){
+    sensorReading=trim(sensorReading);
+    timestamp=year()+"/"+month()+"/"+day()+" "+hour()+":"+minute()+":"+second()+"," ;
+  }
+  // make a timestamp
+  
+
+  writeText("Sensor Reading: " + timestamp + sensorReading);
+  
+  appendTextToFile(outFilename, timestamp +   sensorReading);
+
+}
+
+
+void writeText(String textToWrite){
+  background(255);
+  fill(0);
+  text(textToWrite, width/20, height/2);   
+}
+
+
+void keyPressed() {
+
+  exit();  // Stops the program with any key pressed
+}
+
+/**
+ * Appends text to the end of a text file located in the data directory, 
+ * creates the file if it does not exist.
+ * Can be used for big files with lots of rows, 
+ * existing lines will not be rewritten
+ */
+
+void appendTextToFile(String filename, String text){
+  File f = new File(dataPath(filename));
+  if(!f.exists()){
+    createFile(f);
+  }
+  try {
+    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f, true)));   // true to append the output
+    out.println(text);
+    out.close();                                      // clean close allows to read / copy file while processing runs
+  }catch (IOException e){
+      e.printStackTrace();
+  }
+}
+
+// The below part create new subfolder. 
+
+void createFile(File f){
+  File parentDir = f.getParentFile();
+  try{
+    parentDir.mkdirs(); 
+    f.createNewFile();
+     }
+    catch(Exception e){
+    e.printStackTrace();
+    }
+}    
diff --git a/Sensor-CSV/Processing-CSV/Sensor_CSV/data/data.csv b/Sensor-CSV/Processing-CSV/Sensor_CSV/data/data.csv
@@ -0,0 +1,8 @@
+null
+2015/7/21 12:20:59,79.11F
+2015/7/21 12:20:59,78.23F
+2015/7/21 12:21:0,78.23F
+2015/7/21 12:21:1,79.11F
+2015/7/21 12:21:2,78.23F
+2015/7/21 12:21:3,78.23F
+2015/7/21 12:21:4,79.11F
