/*
   File        : Kesuburan Tanah R0
   Author      : leveletech.com / wa 081214584114
   Date        : 2024 09 12
   Description : Alat Ukur Kesuburan Tanah
*/

//--------------------------------- Include Libraries-----------------------------------------------

#include <LiquidCrystal_I2C.h>
#include "DHT.h"
//--------------------------------- Include Libraries-----------------------------------------------

//--------------------------------- Hardware Setting------------------------------------------------
//--------------------------------- Hardware Setting------------------------------------------------

//--------------------------------- Define and Constant---------------------------------------------
//Blynk

#define BLYNK_TEMPLATE_ID "TMPL6r7cK5BIJ"
#define BLYNK_TEMPLATE_NAME "Pengukur Kesuburan Tanah"
#define BLYNK_AUTH_TOKEN "RA_FHoDZkZ3mqu9nhXWqDTqEEbnhSJoG"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
//#include <ESP8266WiFi.h>
//#include <BlynkSimpleEsp8266.h>
char auth[] = BLYNK_AUTH_TOKEN;  //Auth Token
char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

//ESP32
const int DHT11_pin = 4;
const int Analog_pin = 34;
const int PH_en_pin = 17;
const int Soil_en_pin = 16;
const int Relay_pin = 2;

//ESP8266
//const int DHT11_pin = 13;  //ok
//const int Analog_pin = A0; //ok
//const int PH_en_pin = 14;  //ok D5
//const int Soil_en_pin = 12; //ok D6
//const int Relay_pin = 15; //OK D8

//--------------------------------- Define and Constant---------------------------------------------

//--------------------------------- User Define Data Type-------------------------------------------

//--------------------------------- User Define Data Type-------------------------------------------

//----------------------------------Global Variable-------------------------------------------------
bool B[8] = {false, false, false, false, false, false, false, false};
/* B map
  B[0] = auto / manual relay
  B[1] = relay status
  B[2] = interlock relay
  B[3] =
  B[4] =
*/

//Blynk
int value0;

//lcd
LiquidCrystal_I2C lcd(0x27, 16, 2);

//DHT11
float humidity, temperature;
DHT dht(DHT11_pin, DHT22);  //simulation using DHT22

//PH tanah
float PH;
float PH_volt;
float PH_offset = 41.02740741;
float PH_k = -19.18518519;

//Soil tanah
float Soil;
float Soil_offset = 0.0;
float Soil_k = 1.0;
float Soil_volt;


//----------------------------------Global Variable-------------------------------------------------

//----------------------------------User Defined Function Stage 1-----------------------------------

BLYNK_WRITE(V3) {
  value0 = param.asInt(); B[0] = value0;
}
BLYNK_WRITE(V4) {
  if (B[0]) {
    value0 = param.asInt(); B[1] = value0;
  }

}


String format1(float data, String unit, int lengt) {
  String formattedData = String(data, 0); // Convert float to String, no decimal places
  formattedData += " " + unit; // Add space and unit

  // Ensure the result is exactly lengt characters long by padding spaces if needed
  while (formattedData.length() < lengt) {
    formattedData = " " + formattedData;
  }

  return formattedData;
}
String format2(int data, String unit, int lengt) {
  String formattedData = String(data); // Convert float to String, no decimal places
  formattedData += " " + unit; // Add space and unit

  // Ensure the result is exactly lengt characters long by padding spaces if needed
  while (formattedData.length() < lengt) {
    formattedData = " " + formattedData;
  }

  return formattedData;
}
//----------------------------------User Defined Function Stage 1-----------------------------------
void DHT11_update() {
  humidity = dht.readHumidity();
  temperature = dht.readTemperature();
}

void Analog_update() {
  //update PH Sensor
  digitalWrite(PH_en_pin, HIGH);
  digitalWrite(Soil_en_pin, LOW);
  delay(100);
  int val1 = analogRead(Analog_pin);  //get raw data
  delay(100);
  //do calibration below
  PH_volt = val1 * (3.3 / 1024.0);
  PH = (PH_volt * PH_k) + PH_offset;

  //update Soil Sensor
  digitalWrite(PH_en_pin, LOW);
  digitalWrite(Soil_en_pin, HIGH);
  delay(100);
  int val2 = analogRead(Analog_pin);  //get raw data
  delay(100);
  //do calibration below
  Soil_volt = val2 * (3.3 / 1024.0);
  Soil = (Soil_volt * Soil_k) + Soil_offset;

}

void lcd_update() {
  lcd.setCursor(0, 0);
  lcd.print("T=");
  lcd.setCursor(8, 0);
  lcd.print("H=");
  lcd.setCursor(2, 0);
  lcd.print(format1(temperature, "C", 5));
  lcd.setCursor(10, 0);
  lcd.print(format1(humidity, "%", 5));
  lcd.setCursor(0, 1);
  lcd.print("Ph=");
  lcd.setCursor(3, 1);
  lcd.print(format1(PH, "ph", 3));
  lcd.setCursor(8, 1);
  lcd.print("S=");
  lcd.setCursor(10, 1);
  lcd.print(format1(Soil, "ph", 3));
}

void blynk_update() {
  Blynk.virtualWrite(V0, temperature);
  Blynk.virtualWrite(V1, humidity);
  Blynk.virtualWrite(V2, PH);
}

void RelayControl_update() {
  digitalWrite(Relay_pin, ((!B[0] & B[2]) || (B[0] & B[1])));
}


//----------------------------------User Defined Function Stage 2-----------------------------------
//----------------------------------User Defined Function Stage 2-----------------------------------

//----------------------------------User Defined Function Stage 3-----------------------------------
//----------------------------------User Defined Function Stage 3-----------------------------------

//----------------------------------Testing Function------------------------------------------------
void testing() {
  //write everyting for testing

  if (0) {
    Serial.print(B[0]);
    Serial.print(" ");
    Serial.print(B[1]);
    Serial.print(" ");
    Serial.print(B[2]);
    Serial.print(" ");
    Serial.println(digitalRead(Relay_pin));
  }

  if (1) {
    Serial.print("PH volt : ");
    Serial.print(PH_volt);
    Serial.print(" PH : ");
    Serial.println(PH);
    Serial.print("Soil volt : ");
    Serial.print(Soil_volt);
    Serial.print(" Soil : ");
    Serial.println(Soil);
  }

}
//----------------------------------Testing Function------------------------------------------------


//--------------------------------- Setup----------------------------------------------
void setup() {
  //Pin Initialization
  pinMode(PH_en_pin, OUTPUT);
  pinMode(Soil_en_pin, OUTPUT);
  pinMode(Relay_pin, OUTPUT);

  //Start Services

  dht.begin();
  lcd.init();
  lcd.backlight();        // turn on LCD backlight

  //serial
  Serial.begin(9600);
  delay(1000);

  //first run

  //TAMPIL LCD
  lcd.setCursor(0, 0);
  lcd.print("Kesuburan Tanah");
  lcd.setCursor(0, 1);
  lcd.print(" SKRIPSI 2024");
  delay(2000);
  lcd.clear();

  //Blynk
  Blynk.begin(auth, ssid, pass);  //memulai Blynk
  delay(2000);

}



//--------------------------------- Setup----------------------------------------------


//--------------------------------- Loop-----------------------------------------------

void loop() {
  Blynk.run();
  DHT11_update();
  Analog_update();
  RelayControl_update();
  lcd_update();
  blynk_update();
  testing();
}


//--------------------------------- Loop-----------------------------------------------


//--------------------------------- Note-----------------------------------------------
/*


*/
//--------------------------------- Note-----------------------------------------------