#include "Wire.h"
#define DS1307_I2C_ADDRESS 0x68 //set rtc
#include <LiquidCrystal.h> // initialize the library with the numbers of the interface pins
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 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 ledPin1 = 3; // the number of the LED pin
const int ledPin2 = 2;
int ledState1 = LOW; // ledState used to set the RELAY
int ledState2 = LOW;
long previousMillis1 = 0; // will store last time RELAY was updated
long previousMillis2 = 0;
long interval1 = 5000; // interval at which to blink (milliseconds)
long interval2 = 3000;
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 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 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
int blueramptime = 5 ; // time for blue LEDs to dim on and off in minutes
int whiteramptime = 5 ; // time for white LEDs to dim on and off in minutes
int bluemin = 0 ; // minimmum dimming value of blue LEDs, range of 0-255
int bluemax = 255 ; // maximum dimming value of blue LEDs, range of 0-255
int whitemin = 0 ; // minimum dimming value of white LEDs, range of 0-255
int whitemax = 255 ; // maximum dimming value of white LEDs, range of 0-255
int photoperiod = 5 ; // amount of time array is on at full power in minutes
int ontime = 12 ; // time of day (hour, 24h clock) to begin photoperiod fade in
int blue = 10; // blue LEDs connected to digital pin 5
int white = 11; // white LEDs connected to digital pin 6
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| C L O C K |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
// Convert normal decimal numbers to binary coded decimal
byte decToBcd(byte val)
{
return ( (val/10*16) + (val%10) );
}
// Convert binary coded decimal to normal decimal numbers
byte bcdToDec(byte val)
{
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.send(0);
Wire.send(decToBcd(second)); // 0 to bit 7 starts the clock
Wire.send(decToBcd(minute));
Wire.send(decToBcd(hour)); // If you want 12 hour am/pm you need to set
// bit 6 (also need to change readDateDs1307)
Wire.send(decToBcd(dayOfWeek));
Wire.send(decToBcd(dayOfMonth));
Wire.send(decToBcd(month));
Wire.send(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.send(0);
Wire.endTransmission();
Wire.requestFrom(DS1307_I2C_ADDRESS, 7);
// A few of these need masks because certain bits are control bits
*second = bcdToDec(Wire.receive() & 0x7f);
*minute = bcdToDec(Wire.receive());
*hour = bcdToDec(Wire.receive() & 0x3f); // Need to change this if 12 hour am/pm
*dayOfWeek = bcdToDec(Wire.receive());
*dayOfMonth = bcdToDec(Wire.receive());
*month = bcdToDec(Wire.receive());
*year = bcdToDec(Wire.receive());
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| O N E S E C O N D F U N C T I O N |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
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(" ");
delay(1000);
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| R E L A Y 1 O N O F F F U N C T I O N |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
void relay1()
{
unsigned long currentMillis = millis();
if(currentMillis - previousMillis1 > interval1) {
// save the last time you blinked the RELAY
previousMillis1 = currentMillis;
// if the RELAY is off turn it on and vice-versa:
if (ledState1 == LOW)
ledState1 = HIGH;
else
ledState1 = LOW;
// set the RELAY with the ledState of the variable:
digitalWrite(ledPin1, ledState1);
}
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| R E L A Y 2 O N O F F F U N C T I O N |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
void relay2()
{
unsigned long currentMillis2 = millis();
if(currentMillis2 - previousMillis2 > interval2) {
// save the last time you blinked the RELAYD
previousMillis2 = currentMillis2;
// if the RELAY is off turn it on and vice-versa:
if (ledState2 == LOW)
ledState2 = HIGH;
else
ledState2 = LOW;
// set the RELAY with the ledState of the variable:
digitalWrite(ledPin2, ledState2);
}
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| S E T U P |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
void setup() {
// set the digital pin as output:
pinMode(ledPin1, OUTPUT);
pinMode(ledPin2, OUTPUT);
lcd.clear();
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| S E T U P - D I S P L A Y |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;
Wire.begin();
// Change these values to what you want to set your clock to.
// You probably only want to set your clock once and then remove
// the setDateDs1307 call.
second = 50;
minute = 59;
hour = 11;
dayOfWeek = 6;
dayOfMonth = 26;
month = 1;
year = 11;
setDateDs1307(second, minute, hour, dayOfWeek, dayOfMonth, month, year);
analogWrite(blue, bluemin);
analogWrite(white, whitemin);
lcd.begin(16, 2); // set up the LCD's number of rows and columns:
// lcd.print("12:00 80.6"); // Print a message to the LCD.
// lcd.print(char(223));
lcd.setCursor(0, 1);
lcd.print("blue:");
lcd.print(33*bluemin/85);
lcd.print(" white:");
lcd.print(33*whitemin/85);
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| L O O P |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
void loop()
{
onesecond();
relay2();
relay1();
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 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
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| L O O P - F A D E I N |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
if (daybyminute >= (ontime*60))
{
if (daybyminute <= ((ontime*60) + blueramptime)) //if time is in range of fade in, start fading in
{
// fade blue LEDs in from min to max in increments of 1 point:
for(int bluefadeval = bluemin ; bluefadeval <= bluemax; bluefadeval ++) // sets the minimum and maximum values
{
analogWrite(blue, bluefadeval);
lcd.setCursor(5, 1);
lcd.print(33*bluefadeval/85);
lcd.print(" ");
int countdown = ((blueramptime*60)/(bluemax-bluemin)); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
countdown--;
relay2();
relay1();
}
}
// fade white LEDs in from min to max in increments of 1 point:
for(int whtfadeval = whitemin ; whtfadeval <= whitemax; whtfadeval ++) // sets the minimum and maximum values
{
analogWrite(white, whtfadeval);
lcd.setCursor(14, 1);
lcd.print(33*whtfadeval/85);
lcd.print(" ");
int countdown = ((whiteramptime*60)/(whitemax-whitemin)); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
countdown--;
relay2();
relay1();
}
}
}
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| L O O P - M A X V A L U E |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
if (((ontime * 60) + blueramptime + whiteramptime) < daybyminute)
{
if ( daybyminute < ((ontime * 60) + blueramptime + whiteramptime + photoperiod)) // if time is in range of photoperiod, turn lights on to maximum fade value
{
analogWrite(white, whitemax);
analogWrite(blue, bluemax);
lcd.setCursor(14, 1);
lcd.print(33*whitemax/85);
lcd.print(" ");
lcd.setCursor(5, 1);
lcd.print(33*bluemax/85);
lcd.print(" ");
}
}
/*||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| L O O P - F A D E O U T |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*/
if (((ontime * 60) + photoperiod + blueramptime + whiteramptime) <= daybyminute)
{
if (((ontime * 60) + photoperiod + 2*blueramptime + whiteramptime) >= daybyminute)
{
// fade white LEDs out from max to min in increments of 1 point:
for(int whtfadeval = whitemax; whtfadeval >= whitemin; whtfadeval --) // sets the minimum and maximum values
{
analogWrite(white, whtfadeval);
lcd.setCursor(14, 1);
lcd.print(33*whtfadeval/85);
lcd.print(" ");
int countdown = ((whiteramptime*60)/(whitemax-whitemin)); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
countdown--;
relay2();
relay1();
}
}
// fade blue LEDs out from max to min in increments of 1 point:
for(int bluefadeval = bluemax; bluefadeval >= bluemin; bluefadeval --) // sets the minimum and maximum values
{
analogWrite(blue, bluefadeval);
lcd.setCursor(5, 1);
lcd.print(33*bluefadeval/85);
lcd.print(" ");
int countdown = ((blueramptime*60)/(bluemax-bluemin)); // calculates seconds to next step
while (countdown>0)
{
onesecond(); // updates clock once per second
countdown--;
relay2();
relay1();
}
}
}
}
} // END LOOP
