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	- Project: "Interval Activations"
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-06-07 13:36:55

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* initiate the system to control led, buzzer and */
	/* solenoid each going on in every 5, 10, and 20 */
	/* minutes respectively for 3seconds */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <TimerOne.h> // Include TimerOne library for handling timing intervals

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);
void timerISR(void);

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t LED_PIN = 2;
const uint8_t BUZZER_PIN = 3;
const uint8_t SOLENOID_PIN = 4;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool LED_PIN_rawData = 0;
bool BUZZER_PIN_rawData = 0;
bool SOLENOID_PIN_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float LED_PIN_phyData = 0.0;
float BUZZER_PIN_phyData = 0.0;
float SOLENOID_PIN_phyData = 0.0;

/***** DEFINITION OF TIMING VARIABLES *****/
unsigned long lastLEDTime = 0;
unsigned long lastBuzzerTime = 0;
unsigned long lastSolenoidTime = 0;
const unsigned long LED_INTERVAL = 5 * 60 * 1000; // 5 minutes in milliseconds
const unsigned long BUZZER_INTERVAL = 10 * 60 * 1000; // 10 minutes in milliseconds
const unsigned long SOLENOID_INTERVAL = 20 * 60 * 1000; // 20 minutes in milliseconds
const unsigned long ON_DURATION = 3000; // 3 seconds in milliseconds

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(LED_PIN, OUTPUT);
    pinMode(BUZZER_PIN, OUTPUT);
    pinMode(SOLENOID_PIN, OUTPUT);

    // Initialize Timer1 to call timerISR every 1 second
    Timer1.initialize(1000000); // 1 second in microseconds
    Timer1.attachInterrupt(timerISR);
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    updateOutputs(); // Refresh output data
}

void updateOutputs()
{
    unsigned long currentTime = millis();

    // Check if it's time to turn on the LED
    if (currentTime - lastLEDTime >= LED_INTERVAL)
    {
        LED_PIN_rawData = 1; // Turn on LED
        lastLEDTime = currentTime; // Reset the timer
    }

    // Check if it's time to turn off the LED
    if (LED_PIN_rawData && (currentTime - lastLEDTime >= ON_DURATION))
    {
        LED_PIN_rawData = 0; // Turn off LED
    }

    // Check if it's time to turn on the Buzzer
    if (currentTime - lastBuzzerTime >= BUZZER_INTERVAL)
    {
        BUZZER_PIN_rawData = 1; // Turn on Buzzer
        lastBuzzerTime = currentTime; // Reset the timer
    }

    // Check if it's time to turn off the Buzzer
    if (BUZZER_PIN_rawData && (currentTime - lastBuzzerTime >= ON_DURATION))
    {
        BUZZER_PIN_rawData = 0; // Turn off Buzzer
    }

    // Check if it's time to turn on the Solenoid
    if (currentTime - lastSolenoidTime >= SOLENOID_INTERVAL)
    {
        SOLENOID_PIN_rawData = 1; // Turn on Solenoid
        lastSolenoidTime = currentTime; // Reset the timer
    }

    // Check if it's time to turn off the Solenoid
    if (SOLENOID_PIN_rawData && (currentTime - lastSolenoidTime >= ON_DURATION))
    {
        SOLENOID_PIN_rawData = 0; // Turn off Solenoid
    }

    // Update the physical outputs
    digitalWrite(LED_PIN, LED_PIN_rawData);
    digitalWrite(BUZZER_PIN, BUZZER_PIN_rawData);
    digitalWrite(SOLENOID_PIN, SOLENOID_PIN_rawData);
}

void timerISR()
{
    // This function is called every 1 second by Timer1
    // We can use it to handle any periodic tasks if needed
}

/* END CODE */