/* ESP32 WiFi Scanning example */
#include <Wire.h>
#include "EEPROM.h"
#include <Adafruit_SSD1306.h>
#define led2 27
#define led3 14
#define led4 32
#define led5 33
#define led6 25
#define led7 26
#define sw1 5
#define sw2 18
#define potpin 34
#define EEPROM_SIZE 1000



unsigned long last_time = 0;
unsigned long last_time2 = 0;
unsigned long last_time3 = 0;
unsigned long last_time4 = 0;
unsigned long last_time5 = 0;
byte error, address;
int nDevices = 0;
const int ledPin = 34; 
const int freq = 5000;
const int ledChannel = 0;
const int resolution = 10;
int potValue = 0;



void setup() {
  Serial.begin(115200);
  pinMode(2, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(led7, OUTPUT);
  pinMode(sw1, INPUT_PULLUP);
  pinMode(sw2, INPUT_PULLUP);


  Wire.begin();
  Serial.println("\nI2C Scanner");
  for (address = 1; address < 127; address++ )
  {
    Wire.beginTransmission(address);
    error = Wire.endTransmission();
    if (error == 0){
      Serial.print("I2C device found at address 0x");
      if (address < 16)
        Serial.print("0");
        Serial.print(address, HEX);
        Serial.println(" !");
        nDevices++;
      }
      else if (error == 4){
        Serial.print("Unknown error at address 0x");
        if (address < 16)
          Serial.print("0");
          Serial.println(address, HEX);
          }
    }
    if (nDevices == 0){
    Serial.println("No I2C devices found\n");
    }
}

void loop() {
  potValue = analogRead(potpin);
  if(millis()- last_time >500){
    digitalWrite(2,!digitalRead(2));
    last_time = millis();
  }
  if(millis()- last_time4 >1000){
    Serial.println(potValue/16);
    last_time4 = millis();
  }

  if(digitalRead(sw1)==LOW && digitalRead(sw2)==LOW){
    if(millis()- last_time3 >1000){
        digitalWrite(led2,!digitalRead(led2));
        digitalWrite(led3,!digitalRead(led3));
        digitalWrite(led4,!digitalRead(led4));
        digitalWrite(led5,!digitalRead(led5));
        digitalWrite(led6,!digitalRead(led6));
        digitalWrite(led7,!digitalRead(led7));
        EEPROM.writeUChar(0,digitalRead(led7));
        EEPROM.commit();
        last_time3 = millis();
        
      }
  }else{
    if(digitalRead(sw1)==LOW){
      if(millis()- last_time5 >500){

        digitalWrite(led2,!digitalRead(led2));
        digitalWrite(led3,!digitalRead(led3));
        digitalWrite(led4,!digitalRead(led4));
        digitalWrite(led5,!digitalRead(led5));
        digitalWrite(led6,!digitalRead(led6));
        digitalWrite(led7,!digitalRead(led7));
         EEPROM.writeUChar(0,digitalRead(led7));
        EEPROM.commit();
        last_time5 = millis();
       
      }
    }
    if(digitalRead(sw2)==LOW){

      if(millis()- last_time2 >200){
        digitalWrite(led2,!digitalRead(led2));
        digitalWrite(led3,!digitalRead(led3));
        digitalWrite(led4,!digitalRead(led4));
        digitalWrite(led5,!digitalRead(led5));
        digitalWrite(led6,!digitalRead(led6));
        digitalWrite(led7,!digitalRead(led7));
        EEPROM.writeUChar(0,digitalRead(led7));
        EEPROM.commit();
        last_time2 = millis();
      }
    }
  }

  

}