ESP32_LCD20x4_with_inductive_sensor.ino

ESP32_LCD20x4_with_inductive_sensor.ino

/*
  Florin Simedru
  Project details at https://blog.automatic-house.ro
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files.
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
*/
/*
; PlatformIO Project Configuration File
;
;   Build options: build flags, source filter
;   Upload options: custom upload port, speed and extra flags
;   Library options: dependencies, extra library storages
;   Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html

[env:esp32doit-devkit-v1]
platform = espressif32
board = esp32doit-devkit-v1
framework = arduino
upload_port = COM9
monitor_port = COM9
monitor_speed = 115200
lib_deps = 
	iakop/LiquidCrystal_I2C_ESP32@^1.1.6
	fbiego/ESP32Time@^2.0.4
*/
#include <Arduino.h>
#include <LiquidCrystal_I2C.h>
#include <Time.h>
#include <ESP32Time.h>
#include <Wifi.h>
#include <HTTPClient.h>

#define INDUCTIV_SENSOR_PIN 13
LiquidCrystal_I2C lcd(0x27, 20, 4); // set the LCD address to 0x27 for a 20 chars and 4 line display
int inductive_activated;

// ESP32Time rtc;
ESP32Time rtc(3600); // offset in seconds GMT+1
// Put your SSID & Password 
const char *ssid = "WIFI SSID";        // Enter SSID here
const char *password = "WIFI PASSORD"; // Enter Password here
const char *ntpServer = "pool.ntp.org";
const long gmtOffset_sec = 3600;
const int daylightOffset_sec = 7200;
String wifi_networks;
struct tm timeinfo;
wl_status_t wifi_connection;
wl_status_t wifi_connect()
{
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
#ifdef SERIAL_DEBUG_ON
  Serial.println("Connecting");
#endif
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
#ifdef SERIAL_DEBUG_ON
    Serial.print(".");
#endif
  }
#ifdef SERIAL_DEBUG_ON
  Serial.println("");
  Serial.print("Connected to WiFi network with IP Address: ");
  Serial.println(WiFi.localIP());
#endif
  WiFi.setAutoReconnect(true);
  WiFi.persistent(true);
  return WiFi.status();
}
// Function called when inductiv senzor have a rising signal
void handleInterrupt()
{
  //Inductive activated counter
  inductive_activated++;
  Serial.printf("Inductive sensor activated :%d\n", inductive_activated);
}
void setup()
{
  Serial.begin(115200);
  rtc.setTime(00, 18, 20, 3, 3, 2024); // 3th March 2024 20:18:30
  wifi_connection = wifi_connect();
  /*---------set with NTP---------------*/
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  struct tm timeinfo;
  if (getLocalTime(&timeinfo))
  {
      rtc.setTimeStruct(timeinfo);
  }

  // PIN configuration as INPUT
  pinMode(INDUCTIV_SENSOR_PIN, INPUT);

  // Attach interrupt for signal change
  attachInterrupt(digitalPinToInterrupt(INDUCTIV_SENSOR_PIN), handleInterrupt, RISING);
  lcd.init();
  lcd.clear();
  lcd.backlight(); // Make sure backlight is on

  // Print a message on both lines of the LCD.
  lcd.setCursor(1, 0); // Set cursor to character 2 on line 0
  lcd.print("Hello world!");

  lcd.setCursor(1, 1); // Move cursor to character 2 on line 1
  lcd.print("Inductive test!");
  delay(1000);

  Serial.println();
}

void loop()
{
  // clears the display to print new message
  lcd.clear();
  // set cursor to first column, second row
  lcd.setCursor(0, 0);
  // print message
  lcd.printf("Inductive sensor %d ", inductive_activated);
  lcd.setCursor(0, 1);
  if (wifi_connection == WL_CONNECTED)
    lcd.print(" Wifi Connected !");
  else
  {
    lcd.print(" Wifi not connected !");
  }
  lcd.setCursor(0, 2);
  lcd.printf("%s", rtc.getTime("%H:%M:%S"));
  lcd.setCursor(0, 3);
  lcd.printf("%d-%d-%d", rtc.getDay(),rtc.getMonth()+1,rtc.getYear());
  delay(1000);
}