HAPPy Arduino data collection code

I posted my HAPPy Capsule Arduino sketch to github. This is the code that flew in our first successful mission and provided the data in the following pretty graph:

And here’s the code:

// High Altitude Payload Project Arduino sensor array. // http://happycapsule.com // // Sponsored by Santa Barbara Hackerspace - http://sbhackerspace.com/ // // Version 1.0 by Greg Lawler - successful flight Aug 14, 2011


#include 

#include 

#include 

#include 

#include 
#define ONE_WIRE_BUS 3

OneWire oneWire(ONE_WIRE_BUS);

DallasTemperature sensors(&oneWire);

Chronodot chronodot = Chronodot();

// OneWire addresses, need to grab them with a canned script...

DeviceAddress outsideThermometer = { 0x10, 0xB7, 0x5f, 0xb5, 0x01, 0x08, 0x00, 0x4e };

DeviceAddress insideThermometer = { 0x28, 0x6E, 0x33, 0xE3, 0x02, 0x00, 0x00, 0x8A };

const int chipSelect = 4;
void setup()

{

  Serial.begin(9600);

  Serial.print("Initializing SD card...");

  pinMode(10, OUTPUT);

  sensors.begin();

  sensors.setResolution(outsideThermometer, 10);

  sensors.setResolution(insideThermometer, 10);

// bmp085Calibration();
  if (!SD.begin(chipSelect)) {

    Serial.println("Card failed, or not present");

    return;

  }

  Serial.println("card initialized.");

}
void loop()

{

  delay(1000);

  sensors.requestTemperatures();

  float tempO = sensors.getTempC(outsideThermometer);

  float tempI = sensors.getTempC(insideThermometer);

  if (tempO == -127.00) {

    Serial.print("Error getting temperature");

  } else {

 // Serial.print(" C: ");

 // Serial.println(tempC);

  }
  // build the timestamp

  chronodot.readTimeDate();

  String timeStamp = "";
  int yearZ = chronodot.timeDate.year;

  timeStamp += yearZ;

  timeStamp += "-";

int monthZ = chronodot.timeDate.month; if (monthZ < 10) timeStamp += "0"; timeStamp += monthZ; timeStamp += "-"; int dayZ = chronodot.timeDate.day; if (dayZ < 10) timeStamp += "0"; timeStamp += dayZ; timeStamp += ","; int hourZ = chronodot.timeDate.hours; if (hourZ < 10) timeStamp += "0"; timeStamp += hourZ; timeStamp += ":"; int minZ = chronodot.timeDate.minutes; if (minZ < 10) timeStamp += "0"; timeStamp += minZ; timeStamp += ":"; int secZ = chronodot.timeDate.seconds; if (secZ < 10) timeStamp += "0"; timeStamp += secZ; timeStamp += ":"; // open the log file and append the data row. File dataFile = SD.open("HAPPy_data.txt", FILE_WRITE); if (dataFile) { dataFile.print(timeStamp); dataFile.print(","); dataFile.print(tempO); dataFile.print(","); dataFile.print(tempI); dataFile.println(","); // close the log file... dataFile.close(); // print to the serial port too: Serial.println(timeStamp); Serial.print("Outside Temperature: "); Serial.println(tempO); Serial.print("Inside Temperature: "); Serial.println(tempI); Serial.println(); } // if the file isn't open, pop up an error: else { Serial.println("Shizzle! Error opening log file..."); } }

HAPPy Arduino data collection code

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