#define DS1307_I2C_ADDRESS 0x68 // address used for clock
#include "Wire.h" // library used for I2C
#include <LiquidCrystal.h> // library used
#include <avr/wdt.h> //watchdog timer to avoid infinite loop
/* ******************************************************************************************************************** */
/* * * */
/* * R E L A Y P A R T * */
/* * S I M P L E O N A N D O F F F E A T U R E * */
/* * * */
/* ******************************************************************************************************************** */
const int relayPin1 = 9; // arduino pin (non pwm) used for wavemaker
int relayState1 = LOW;
int fans = 8; //Fans
int driver1 = 0; //Driver
int driver2 = 1; // Driver
long previousMillis1 = 0;
long interval1 = 15000; // how many milliseconds to turn it on and off for RELAY1
//TEMP Variables
float tempC;
int reading;
int tempPin = A0; //analog pin where the LM35 datapin is connected
int mt = 55; //max temp if over this value the lights will shutdown
const int numReadings = 40; //num of reading for average value
int readings[numReadings]; // the readings from the analog input
int index = 0; // the index of the current reading
int total = 0; // the running total
int average = 0; // the average
/* ******************************************************************************************************************** */
/* * * */
/* * L E D D I M M I N G P A R T * */
/* * F A D E S I N A N D O U T * */
/* * * */
/* ******************************************************************************************************************** */
/* ********************************************************************************* */
/* * * */
/* * Note: time for ramp down is the same as time for ramp up. * */
/* * * */
/* ********************************************************************************* */
int ontime =7; // what time do you want the blue to start to ramp up?
int night = 19;
int blueramptime = 60 ; // how many minutes do you want the blue to ramp up?
int whiteramptime = 120 ; // after the blue, how many minutes do you want the white to ramp up?
int photoperiod = 360 ; // after the white, how many minutes do you want it to stay at max intensity?
int blue = 3; // which arduino pwm pin are you using for the blue?
int white = 10; // which arduino pwm pin are you using for the white?
int var = 11; //third PWM
int bluemin = 255 ; //inverted logic
int whitemin = 255 ;
int varmin = 0 ; //regular logic
int bluepercent[11] = { 255, 240, 225, 210, 195, 180, 165, 150, 135, 120, 105 }; //inverted for PWM
int whitepercent[11] = { 255, 242, 229, 216, 203, 190, 177, 164, 151, 138, 125 };
int varpercent[11] = { 0, 26, 52, 78, 103, 128, 154, 180, 205, 230, 255 }; //regular for PWM
LiquidCrystal lcd(12, 13, 4, 5, 6, 7);
/* ******************************************************************************************************************** */
/* * * */
/* * R T C C L O C K D S 1 3 0 7 * */
/* * * */
/* ******************************************************************************************************************** */
byte decToBcd(byte val) // Convert normal decimal numbers to binary coded decimal
{
return ( (val/10*16) + (val%10) );
}
byte bcdToDec(byte val) // Convert binary coded decimal to normal decimal numbers
{
return ( (val/16*10) + (val%16) );
}
// 1) Sets the date and time on the ds1307
// 2) Starts the clock
// 3) Sets hour mode to 24 hour clock
// Assumes you're passing in valid numbers
void setDateDs1307(byte second, // 0-59
byte minute, // 0-59
byte hour, // 1-23
byte dayOfWeek, // 1-7
byte dayOfMonth, // 1-28/29/30/31
byte month, // 1-12
byte year) // 0-99
{
Wire.beginTransmission(DS1307_I2C_ADDRESS);
Wire.write(0);
Wire.write(decToBcd(second)); // 0 to bit 7 starts the clock
Wire.write(decToBcd(minute));
Wire.write(decToBcd(hour)); // If you want 12 hour am/pm you need to set
// bit 6 (also need to change readDateDs1307)
Wire.write(decToBcd(dayOfWeek));
Wire.write(decToBcd(dayOfMonth));
Wire.write(decToBcd(month));
Wire.write(decToBcd(year));
Wire.endTransmission();
}
// Gets the date and time from the ds1307
void getDateDs1307(byte *second,
byte *minute,
byte *hour,
byte *dayOfWeek,
byte *dayOfMonth,
byte *month,
byte *year)
{
// Reset the register pointer
Wire.beginTransmission(DS1307_I2C_ADDRESS);
Wire.write(0);
Wire.endTransmission();
Wire.requestFrom(DS1307_I2C_ADDRESS, 7);
// A few of these need masks because certain bits are control bits
*second = bcdToDec(Wire.read() & 0x7f);
*minute = bcdToDec(Wire.read());
*hour = bcdToDec(Wire.read() & 0x3f); // Need to change this if 12 hour am/pm
*dayOfWeek = bcdToDec(Wire.read());
*dayOfMonth = bcdToDec(Wire.read());
*month = bcdToDec(Wire.read());
*year = bcdToDec(Wire.read());
}
/* ******************************************************************************************************************** */
/* * * */
/* * D E F I N E : O N E S E C O N D * */
/* * * */
/* ******************************************************************************************************************** */
void onesecond() //function that runs once per second while program is running
{
byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;
getDateDs1307(&second, &minute, &hour, &dayOfWeek, &dayOfMonth, &month, &year);
lcd.setCursor(0, 0);
if(hour>0)
{
if(hour<=12)
{
lcd.print(hour, DEC);
}
else
{
lcd.print(hour-12, DEC);
}
}
else
{
lcd.print("12");
}
lcd.print(":");
if (minute < 10) {
lcd.print("0");
}
lcd.print(minute, DEC);
lcd.print(":");
if (second < 10) {
lcd.print("0");
}
lcd.print(second, DEC);
if(hour<12)
{
lcd.print("am");
}
else
{
lcd.print("pm");
}
lcd.print(" ");
wdt_reset(); //every second bite back, to let the arduino know everything is running
temperature(); //always check temp
delay(1000);
}
//||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| D E F I N E : L U N A R P H A S E |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
void moonPhase(int year, int month, int day)
{
int ml[29] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,13,12,11,10,9,8,7,6,5,3,2,0}; //PWM values for moonlight channel, where 15 is FULL MOON
int Y = (year-2000);
int R = Y%19;
int N = R-19;
int n = N*11;
while (n > 29 || n < -29){
if (n > 29 && n > 0){
n = n-30;
}
if (n < -29 && n < 0){
n = n + 30;
}
}
int t = n + day + month;
int P = abs(t - 8); // current MoonPhase from 0-29, where 15 is full moon
if ( ((P >= 0) && (P <= 3)) || ((P >= 26) && (P <= 29))){ //new moon
analogWrite(var, ml[P]);
lcd.setCursor(11,0);
lcd.print("NM:");
lcd.print(P);
}
else if ( ((P >= 4) && (P <= 7)) || ((P >= 23) && (P <= 25)) ){ //cresent
analogWrite(var, ml[P]);
lcd.setCursor(11,0);
lcd.print("CM:");
lcd.print(P);
}
else if ( ((P >= 8) && (P <= 11)) || ((P >= 19) && (P <= 22)) ){ //half moon
analogWrite(var, ml[P]);
lcd.setCursor(11,0);
lcd.print("HM:");
lcd.print(P);
}
else if ( ((P >= 12) && (P <= 15)) || ((P >= 16) && (P <= 19)) ){ //gibbous //full moon is full intensity
analogWrite(var, ml[P]);
lcd.setCursor(11,0);
lcd.print("FM:");
lcd.print(P);
}
else { //in case it doesnt find a case, show on LCD to correct code
analogWrite(var, 0);
lcd.setCursor(11,0);
lcd.print("NIGHT");
}
}
//||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| D E F I N E : T E M P E R A T U R E |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
void temperature() //checks the LM35 temp and averages to smooth the value
{
reading = analogRead(tempPin);
tempC = reading / 9.31;
total= total - readings[index];
readings[index] = tempC;
total= total + readings[index];
index = index + 1;
if (index >= numReadings) index = 0;
average = total / numReadings;
lcd.setCursor(12,1);
lcd.print("T:");
lcd.print(average);
}
/* ******************************************************************************************************************** */
/* * * */
/* * D E F I N E : R E L A Y 1 * */
/* * * */
/* ******************************************************************************************************************** */
void relay1() //FUNCTION TO TURN ON AND OFF RELAY 1.
{
unsigned long currentMillis = millis();
if(currentMillis - previousMillis1 > interval1)
{
previousMillis1 = currentMillis;
if (relayState1 == LOW){
relayState1 = HIGH;
}
else
relayState1 = LOW;
digitalWrite(relayPin1, relayState1);
}
}
/* ******************************************************************************************************************** */
/* * * */
/* * S E T U P * */
/* * * */
/* ******************************************************************************************************************** */
void setup() {
pinMode(relayPin1, OUTPUT); // set the digital pin as output:
pinMode(fans, OUTPUT);
pinMode(driver1, OUTPUT);
pinMode(driver2, OUTPUT);
wdt_enable(WDTO_2S); //watchdog timer value is set for 2 seconds, if the main loop doesnt complete in 2 seconds the arduino will reset
delay(100);
analogReference(INTERNAL); //for lm35 reference
for (int thisReading = 0; thisReading < numReadings; thisReading++)
readings[thisReading] = 0;
/* ******************************************************************************************************************** */
/* * * */
/* * S E T U P - D I S P L A Y * */
/* * * */
/* ******************************************************************************************************************** */
byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;
Wire.begin();
second = 0;
minute = 50;
hour = 22;
dayOfWeek = 6; // Sunday is 0
dayOfMonth = 19;
month = 01;
year = 13;
/* ********************************************************************************* */
/* * * */
/* * this is where you set your time... * */
/* * 1) change the second, minute, hour, etc above * */
/* * 2) remove // below * */
/* * 3) and load this sketch to your arduino * */
/* * 4) after loading the sketch, put the // back again * */
/* * 5) and load this sketch again to your arduino, and save * */
/* * * */
/* ********************************************************************************* */
//setDateDs1307(second, minute, hour, dayOfWeek, dayOfMonth, month, year);
analogWrite(blue, bluemin);
analogWrite(white, whitemin);
analogWrite(var, varmin);
lcd.begin(16, 2); // set up the LCD's number of rows and columns:
lcd.setCursor(0, 1);
lcd.print("B:S");
lcd.print(0);
lcd.setCursor(5, 1);
lcd.print("W:S");
lcd.print(0);
digitalWrite(fans, HIGH); //inverted logic HIGH=OFF
digitalWrite(driver1, HIGH);
digitalWrite(driver2, HIGH);
delay(1000);
}
/* ******************************************************************************************************************** */
/* * * */
/* * L O O P * */
/* * * */
/* ******************************************************************************************************************** */
void loop()
{
onesecond();
temperature();
relay1();
lcd.setCursor(0, 1);
lcd.print("B:");
lcd.setCursor(5, 1);
lcd.print("W:");
/* ******************************************************************************************************************** */
/* * * */
/* * L O O P - D I M F U N C T I O N * */
/* * * */
/* ******************************************************************************************************************** */
byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;
getDateDs1307(&second, &minute, &hour, &dayOfWeek, &dayOfMonth, &month, &year);
int daybyminute = ((hour * 60) + minute); //converts time of day to a single value in minutes
int bluerampup;
if (daybyminute >= (ontime*60))
bluerampup = (((ontime*60) + blueramptime) - daybyminute);
else
bluerampup = blueramptime;
int whiterampup;
if (daybyminute >= (ontime*60 + blueramptime))
whiterampup = (((ontime*60) + blueramptime + whiteramptime) - daybyminute);
else
whiterampup = whiteramptime;
int whiterampdown;
if (((ontime * 60) + photoperiod + blueramptime + whiteramptime) <= daybyminute)
whiterampdown = (((ontime*60) + photoperiod + blueramptime + 2*whiteramptime) - daybyminute);
else
whiterampdown = whiteramptime;
int bluerampdown;
if (((ontime * 60) + photoperiod + blueramptime + 2*whiteramptime) <= daybyminute)
bluerampdown = (((ontime*60) + photoperiod + 2*blueramptime + 2*whiteramptime) - daybyminute);
else
bluerampdown = blueramptime;
/* ******************************************************************************************************************** */
/* * * */
/* * L O O P - F A D E I N * */
/* * * */
/* ******************************************************************************************************************** */
if (average < mt){
if (daybyminute >= (ontime*60))
{
if (daybyminute <= ((ontime*60) + blueramptime + (whiteramptime - 1))) //if time is in range of fade in, start fading in + (whiteramptime/10*9)
{
digitalWrite(fans, LOW);
digitalWrite(driver1, LOW);
digitalWrite(driver2, LOW);
// fade blue LEDs in from min to max.
lcd.setCursor(11,0);
lcd.print(" ");
lcd.print("RISE");
for (int i = 1; i <= 10; i++) // setting ib value for 10% increment. Start with 0%
{
analogWrite(blue, bluepercent[i]);
analogWrite(var, varpercent[i]);
lcd.setCursor(2, 1);
lcd.print(i);
lcd.print(" ");
lcd.setCursor(7, 1);
lcd.print("0");
int countdown = ((bluerampup*60)/10); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
temperature();
countdown--;
relay1();
}
}
// fade white LEDs in from min to max.
for (int i = 1; i <= 10; i++) // setting i value for 10% increment. Start with 0%
{
analogWrite(white, whitepercent[i]);
lcd.setCursor(7, 1);
lcd.print(i);
lcd.print(" ");
lcd.setCursor(2, 1);
lcd.print("10");
int countdown = ((whiterampup*60)/10); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
temperature();
countdown--;
relay1();
}
}
}
}
}
/* ******************************************************************************************************************** */
/* * * */
/* * L O O P - M A X V A L U E * */
/* * * */
/* ******************************************************************************************************************** */
if (average < mt){
if (daybyminute >= ((ontime * 60) + blueramptime + whiteramptime))
{
if ( daybyminute <= ((ontime * 60) + blueramptime + whiteramptime + photoperiod)) // if time is in range of photoperiod, turn lights on to maximum fade value
{
digitalWrite(fans, LOW);
digitalWrite(driver1, LOW);
digitalWrite(driver2, LOW);
lcd.setCursor(11,0);
lcd.print(" ");
lcd.print(" ");
lcd.print("MAX");
analogWrite(blue, 105);
analogWrite(var, 255);
lcd.setCursor(2, 1);
lcd.print(10);
lcd.print(" ");
analogWrite(white, 125);
lcd.setCursor(7, 1);
lcd.print(10);
lcd.print(" ");
temperature();
}
}
}
/* ******************************************************************************************************************** */
/* * * */
/* * L O O P - F A D E O U T * */
/* * * */
/* ******************************************************************************************************************** */
if (average < mt){
if (((ontime * 60) + photoperiod + blueramptime + whiteramptime) <= daybyminute)
{
if (((ontime * 60) + photoperiod + whiteramptime + 2*blueramptime + (blueramptime/10*9)) >= daybyminute)
{
digitalWrite(fans, LOW);
digitalWrite(driver1, LOW);
digitalWrite(driver2, LOW);
lcd.setCursor(11,0);
lcd.print(" ");
lcd.print(" ");
lcd.print("SET");
// fade white LEDs out from max to min in increments of 1 point:
for (int i = 10; i >= 0; i--) // setting i value for 10% increment. Start with 10%
{
analogWrite(blue, 52);
analogWrite(var, 255);
lcd.setCursor(2, 1);
lcd.print(10);
lcd.print(" ");
analogWrite(white, whitepercent[i]);
lcd.setCursor(7, 1);
lcd.print(i);
lcd.print(" ");
int countdown = ((whiterampdown*60)/10); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
temperature();
countdown--;
relay1();
}
}
// fade blue LEDs out from max to min in increments of 1 point:
for (int i = 10; i >= 0; i--) // setting i value for 10% increment. Start with 10%
{
analogWrite(blue, bluepercent[i]);
analogWrite(var, varpercent[i]);
lcd.setCursor(2, 1);
lcd.print(i);
lcd.print(" ");
lcd.setCursor(7, 1);
lcd.print("0");
lcd.print(" ");
int countdown = ((bluerampdown*60)/10); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
temperature();
countdown--;
relay1();
}
}
}
}
}
