// Potentiometer is connected to GPIO 34 (Analog ADC1_CH6) 
const int solarVPin = 36;
const int windVPin = 39;
const int solarPOT = 35;
const int windPOT = 27;
const int batteryPOT = 26;
const int loadPOT = 25;

// variable for storing the potentiometer value
float solarVoltage = 0;
float windVoltage = 0;
float solarSetting = 0;
float windSetting = 0;
float batterySetting = 0;
float loadSetting = 0;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("\nHello, ESP32!");
  // pinMode(potPin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  readPower();
  readManualSetting();
  delay(500);
}

void readPower(){
  // Reading voltage value
  solarVoltage = (analogRead(solarVPin) * 6.6)/4096;
  windVoltage = (analogRead(windVPin) * 6.6)/4096;

  Serial.print("⚡ Voltage: ☀️");
  Serial.print(solarVoltage);
  Serial.print("V : 💨");
  Serial.print(windVoltage);
  Serial.println("V");
}

void readManualSetting(){
  solarSetting = map(analogRead(solarPOT),0,4096,0,100);
  windSetting = map(analogRead(windPOT),0,4096,0,100);
  batterySetting = map(analogRead(batteryPOT),0,4096,0,100);
  loadSetting = map(analogRead(loadPOT),0,4096,0,100);

  Serial.print("💻 Setting: ☀️ ");
  Serial.print(solarSetting);
  Serial.print("% : 🍃 ");
  Serial.print(windSetting);
  Serial.print("% : 🔋 ");
  Serial.print(batterySetting);
  Serial.print("% : 💡 ");
  Serial.print(loadSetting);
  Serial.println("%");
}

/* 

build_flags =
  -Os
  -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
  -DUSER_SETUP_LOADED=1
  
  ; Define the TFT driver, pins etc. here:
  ;-DTFT_PARALLEL_8_BIT=1
  -DILI9488_DRIVER=1
  -DTFT_WIDTH=320
  -DTFT_HEIGHT=480
  -DTFT_CS=15
  -DTFT_DC=2
  -DTFT_RST=4
  -DTFT_MISO=19
  -DTFT_MOSI=23
  -DTFT_SCLK=18
  -DTFT_BL=32
  -DTFT_BACKLIGHT_ON=1
  ;-DTOUCH_CS=21
  
  -DLOAD_GLCD=1
  -DLOAD_FONT2=1
  -DLOAD_FONT4=1
  -DLOAD_FONT6=1
  -DLOAD_FONT7=1
  -DLOAD_FONT8=1
  -DLOAD_GFXFF=1
  -DSMOOTH_FONT=1
  -DSPI_FREQUENCY=27000000

*/