EDFTest_AnemometerIncluded.ino

int voltage = 0;

int Time = 0;

int prevoltage = 0;

const byte interruptPin = 3; //anemomter input to digital pin
volatile unsigned long sTime = 0; //stores start time for wind speed calculation
unsigned long dataTimer = 0; //used to track how often to communicate data
volatile float pulseTime = 0; //stores time between one anemomter relay closing and the next
volatile float culPulseTime = 0; //stores cumulative pulsetimes for averaging

volatile bool start = true; //tracks when a new anemometer measurement starts
volatile unsigned int avgWindCount = 0; //stores anemometer relay counts for doing average wind speed
float aSetting = 60.0; //wind speed setting to signal alarm

// Arduino with load cell
// Put two known loads on the sensor and take readings. Put those values
// here!!!!!!!!!!!!!!!!
float aReading = 192.0;
float aLoad = 15.0; // lbs.
float bReading = 344.0;
float bLoad = 24.3; // lbs.

long time = 0;
int interval = 200; // Take a reading every 200 ms

// Below 2 lines are from Johnathan. A0 pin from original changed to A3. Should not have any conflicts.*
const int sensorPin = A3;
float sensorValue;


 unsigned long rTime = millis();
  if((rTime - sTime) > 2500) pulseTime = 0; //if the wind speed has dropped below 1MPH than set it to zero
     
  if((rTime - dataTimer) > 1800){ //See if it is time to transmit

detachInterrupt(interruptPin); //shut off wind speed measurement interrupt until done communication
    float aWSpeed = getAvgWindSpeed(culPulseTime,avgWindCount); //calculate average wind speed
    if(aWSpeed >= aSetting) digitalWrite(13, HIGH);   // high speed wind detected so turn the LED on
    else digitalWrite(13, LOW);   //no alarm so ensure LED is off
    culPulseTime = 0; //reset cumulative pulse counter
    avgWindCount = 0; //reset average wind count

    float aFreq = 0; //set to zero initially
    if(pulseTime > 0.0) aFreq = getAnemometerFreq(pulseTime); //calculate frequency in Hz of anemometer, only if pulsetime is non-zero
    float wSpeedMPH = getWindMPH(aFreq); //calculate wind speed in MPH, note that the 2.5 comes from anemometer data sheet

    


//*****************Arduino anemometer sketch******************************
const byte interruptPin = 3; //anemomter input to digital pin
volatile unsigned long sTime = 0; //stores start time for wind speed calculation
unsigned long dataTimer = 0; //used to track how often to communicate data
volatile float pulseTime = 0; //stores time between one anemomter relay closing and the next
volatile float culPulseTime = 0; //stores cumulative pulsetimes for averaging

 

volatile bool start = true; //tracks when a new anemometer measurement starts
volatile unsigned int avgWindCount = 0; //stores anemometer relay counts for doing average wind speed
float aSetting = 60.0; //wind speed setting to signal alarm

void setup() {
  pinMode(13, OUTPUT); //setup LED pin to signal high wind alarm condition
  pinMode(interruptPin, INPUT_PULLUP); //set interrupt pin to input pullup
  attachInterrupt(interruptPin, anemometerISR, RISING); //setup interrupt on anemometer input pin, interrupt will occur whenever falling edge is detected
  dataTimer = millis(); //reset loop timer

  Serial.begin(9600);

  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
  pinMode(13, OUTPUT); //setup LED pin to signal high wind alarm condition. Won't be used!!!!!
  pinMode(interruptPin, INPUT_PULLUP); //set interrupt pin to input pullup
  attachInterrupt(interruptPin, anemometerISR, RISING); //setup interrupt on anemometer input pin, interrupt will occur whenever falling edge is detected
  dataTimer = millis(); //reset loop timer
}

void loop() {
 
  unsigned long rTime = millis();
  if((rTime - sTime) > 2500) pulseTime = 0; //if the wind speed has dropped below 1MPH than set it to zero
     
  if((rTime - dataTimer) > 1800){ //See if it is time to transmit


  // Baseline Temperature in Celsius
  if (Time < 300) {
    Serial.print("Baseline Temperature in Celsius = ");
    Serial.println(-40 + 0.488155 * (analogRead(A0) - 20));


   
    detachInterrupt(interruptPin); //shut off wind speed measurement interrupt until done communication
    float aWSpeed = getAvgWindSpeed(culPulseTime,avgWindCount); //calculate average wind speed
    if(aWSpeed >= aSetting) digitalWrite(13, HIGH);   // high speed wind detected so turn the LED on
    else digitalWrite(13, LOW);   //no alarm so ensure LED is off
    culPulseTime = 0; //reset cumulative pulse counter
    avgWindCount = 0; //reset average wind count

    float aFreq = 0; //set to zero initially
    if(pulseTime > 0.0) aFreq = getAnemometerFreq(pulseTime); //calculate frequency in Hz of anemometer, only if pulsetime is non-zero
    float wSpeedMPH = getWindMPH(aFreq); //calculate wind speed in MPH, note that the 2.5 comes from anemometer data sheet

 

   
    Serial.begin(57600); //start serial monitor to communicate wind data
    Serial.println();
    Serial.println("...................................");
    Serial.print("Anemometer speed in Hz ");
    Serial.println(aFreq);
    Serial.print("Current wind speed is ");
    Serial.println(wSpeedMPH);
    Serial.print("Current average wind speed is ");
    Serial.println(aWSpeed);
    Serial.end(); //serial uses interrupts so we want to turn it off before we turn the wind measurement interrupts back on
   
    start = true; //reset start variable in case we missed wind data while communicating current data out
    attachInterrupt(digitalPinToInterrupt(interruptPin), anemometerISR, RISING); //turn interrupt back on
    dataTimer = millis(); //reset loop timer
  }
}

//using time between anemometer pulses calculate frequency of anemometer
float getAnemometerFreq(float pTime) { return (1/pTime); }

//Use anemometer frequency to calculate wind speed in MPH, note 2.5 comes from anemometer data sheet
float getWindMPH(float freq) { return (freq*2.5); }
//uses wind MPH value to calculate KPH
float getWindKPH(float wMPH) { return (wMPH*1.61); }
//Calculates average wind speed over given time period
float getAvgWindSpeed(float cPulse,int per) {
  if(per) return getWindMPH(getAnemometerFreq((float)(cPulse/per)));
  else return 0; //average wind speed is zero and we can't divide by zero
  }

//This is the interrupt service routine (ISR) for the anemometer input pin
//it is called whenever a falling edge is detected
void anemometerISR() {
  unsigned long cTime = millis(); //get current time
  if(!start) { //This is not the first pulse and we are not at 0 MPH so calculate time between pulses
   // test = cTime - sTime;
    pulseTime = (float)(cTime - sTime)/1000;
    culPulseTime += pulseTime; //add up pulse time measurements for averaging
    avgWindCount++; //anemomter went around so record for calculating average wind speed
  }
  sTime = cTime; //store current time for next pulse time calculation
  start = false; //we have our starting point for a wind speed measurement
}

  // Time Counter. Every 200 milliseconds it adds 200
  // to time. 1 millisecond=1 time.
  delay(200); // Wait for 200 millisecond(s)
  Time += 200;
  Serial.print("Time_");
  Serial.println(Time);

  float newReading = analogRead(5);
  // Calculate load based on A and B readings above
  float load = ((bLoad - aLoad)/(bReading - aReading)) * (newReading - aReading) + aLoad;
  
  // millis returns the number of milliseconds since the board started the current program
  if(millis() > time + interval) {
    Serial.print("Reading: ");
    Serial.print(newReading,1); // 1 decimal place
    Serial.print("  Load: ");
    Serial.println(load,1);  // 1 decimal place, println adds a carriage return
    time = millis();

  // Voltage Math. Calculates from prevoltage to
  // voltage by 34.093. ONLY ONE DIGIT FOR SOME
  // REASON!
  delay(100); // Wait for 100 millisecond(s)
  prevoltage = analogRead(A1);
  delay(100); // Wait for 100 millisecond(s)
  voltage = (prevoltage / 34.093);

  // Voltage. (Prints voltage)
  delay(200); // Wait for 200 millisecond(s)
  Serial.print("MAINVoltage_");
  Serial.println(voltage);

  // Prevoltage. Displays true analog voltage. Must
  // be divided by 34.093 for a more accurate read.
  delay(200); // Wait for 200 millisecond(s)
  Serial.print("PREVoltage_");
  Serial.println(prevoltage);
  Serial.println("-----------------");
    
     // Johnathan's sensor data
  sensorValue = (analogRead(sensorPin)/1024.0)*5.0;
  Serial.print("The data-line voltage is ");
  Serial.print(sensorValue);
  Serial.println(" Volts.");
  Serial.print("\n");
  sensorValue = abs(sensorValue-2.5)/0.0133;
  Serial.print("The measured current is ");
  Serial.print(sensorValue);
  Serial.println(" Amps.");
  Serial.print("\n");
  delay(500.0);

}

setup() {
}
loop()  {
}