epsicom plc pins assignment

epsicom-ap.h

// by nicu gherasim
#include <Arduino.h>
#include "RTClib.h"

// board related pins
const int ledPin = LED_BUILTIN; // the number of the LED pin

// relays output
const int REL_1 = 16;
const int REL_2 = 17;
const int REL_3 = 12;
const int REL_4 = 11;

// digital output
const int OUT_1 = 9;
const int OUT_2 = 8;
const int OUT_3 = 7;
const int OUT_4 = 6;

// opto input
const int OPTO_1 = 5;
const int OPTO_2 = 4;
const int OPTO_3 = 3;
const int OPTO_4 = 2;

// digital input
const int AD_1 = A0;
const int AD_2 = A1;
const int AD_3 = A6;
  const int AD_4 = A7;

// pwm D10
const int PWM = 10;

// rtc 3231
RTC_DS3231 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

// const unsigned int maxAnalog = 1024*3.3/5.0;     //5V microcontrollers (nano)
const unsigned int maxAnalog = 1024;                //3V3 microcontrollers

// const int maxAnalog = analogRes;               //*2.7/(1.0+2.7);

void initAP()
{

    // board related
    pinMode(ledPin, OUTPUT);

    // set relays
    pinMode(REL_1, OUTPUT);
    pinMode(REL_2, OUTPUT);
    pinMode(REL_3, OUTPUT);
    pinMode(REL_4, OUTPUT);

    // set output
    pinMode(OUT_1, OUTPUT);
    pinMode(OUT_2, OUTPUT);
    pinMode(OUT_3, OUTPUT);
    pinMode(OUT_4, OUTPUT);

    // set pwm pin as output
    pinMode(PWM, OUTPUT);

    // opto input
    pinMode(OPTO_1, INPUT);
    pinMode(OPTO_2, INPUT);
    pinMode(OPTO_3, INPUT);
    pinMode(OPTO_4, INPUT);

    // digital input
    pinMode(AD_1, INPUT);
    pinMode(AD_2, INPUT);
    pinMode(AD_3, INPUT);
    pinMode(AD_4, INPUT);

    // analogReadResolution(10); //default analog resolution
}

unsigned int analogAD(int port)
{
    unsigned int val = analogRead(port);
    int voltage = map(val, 0, maxAnalog, 0, 10000); // return voltage millis
    return voltage;
    // return val;
}

bool digitalAD(int port)
{
    unsigned int val = analogRead(port);
    if (val > 500)
    {
        return true;
    }
    else
    {
        return false;
    }
}

void pwmOUT(unsigned int voltage)
{
    int val = map(voltage, 0, 10000, 0, 256);
    // Serial.print("pwm: ");
    // Serial.println(val);
    analogWrite(PWM, val);
}

void testRTC()
{
    if (rtc.isEnabled32K())
    {
        DateTime now = rtc.now();
        Serial.print(now.year(), DEC);
        Serial.print('/');
        Serial.print(now.month(), DEC);
        Serial.print('/');
        Serial.print(now.day(), DEC);
        Serial.print(" (");
        Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
        Serial.print(") ");
        Serial.print(now.hour(), DEC);
        Serial.print(':');
        Serial.print(now.minute(), DEC);
        Serial.print(':');
        Serial.print(now.second(), DEC);
        Serial.println();

        Serial.print("Temperature: ");
        Serial.print(rtc.getTemperature());
        Serial.println(" C");
    }
}