#include <Wire.h>
//#include <SparkFun_ADS1015_Arduino_Library.h> 
#include <Adafruit_ADS1X15.h>

Adafruit_ADS1015 ads;
//ADS1015 adcSensor;

void setup() {
  pinMode(13, INPUT);
  Wire.begin();
  Serial.begin(9600);
  
  ads.begin();

  // Check the I2C connection
  check_connection();
}

void loop() {
  // 
  //uint16_t channel_A3 = adcSensor.getSingleEnded(3);
  //Serial.print("A3:");
  //Serial.println(channel_A3);
  delay(50); // avoid bogging up serial monitor


  int16_t adcValue;
  float voltage;

  // Read from AIN0 (assuming your sensor is connected to A0)
  adcValue = ads.readADC_SingleEnded(0);

  // Convert ADC value to voltage
  voltage = ads.computeVolts(adcValue);

  // Print the result
  Serial.print("ADC Value: "); Serial.print(adcValue);
  Serial.print("   Voltage: "); Serial.print(voltage); Serial.print(" V");
  Serial.println(" ");

  delay(1000); // Delay for readability, adjust as needed

}

void check_connection(){
  /*
  if (adcSensor.begin() == true)
  {
    Serial.println("Device found. I2C connections are good.");
  }
  else
  {
    Serial.println("Device not found. Check wiring.");
    while (1); // stall out forever
  }*/

  byte error, address;
    int nDevices;
    nDevices = 0;
    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.println(address,HEX);
        nDevices++;
      }
      else if (error==4) {
        Serial.print("Unknow error at address 0x");
        if (address<16) {
          Serial.print("0");
        }
        Serial.println(address,HEX);
      }    
    }
    if (nDevices == 0) {
      Serial.println("No I2C devices found\n");
    }
    else {
      Serial.println("");
    }
    delay(5000);   
}