#include <Adafruit_DS3502.h>
#include <Adafruit_ADS1015.h>

Adafruit_DS3502 ds3502 = Adafruit_DS3502();
Adafruit_ADS1115 ads;    // Construct an ads1015 at the default address: 0x48
/* For this example, make the following connections:
    * DS3502 RH to 5V
    * DS3502 RL to GND
    * DS3502 RW to the pin specified by WIPER_VALUE_PIN
*/

void setup() {
  Serial.begin(115200);
  // Wait until serial port is opened
  while (!Serial) { delay(1); }

  Serial.println("Adafruit DS3502 Test");

  if (!ds3502.begin()) {
    Serial.println("Couldn't find DS3502 chip");
    while (1);
  }
  Serial.println("Found DS3502 chip");
  
  // ads.setGain(GAIN_TWOTHIRDS);  // 2/3x gain +/- 6.144V  1 bit = 3mV      0.1875mV (default)
  // ads.setGain(GAIN_ONE);        // 1x gain   +/- 4.096V  1 bit = 2mV      0.125mV
  // ads.setGain(GAIN_TWO);        // 2x gain   +/- 2.048V  1 bit = 1mV      0.0625mV
  // ads.setGain(GAIN_FOUR);       // 4x gain   +/- 1.024V  1 bit = 0.5mV    0.03125mV
  // ads.setGain(GAIN_EIGHT);      // 8x gain   +/- 0.512V  1 bit = 0.25mV   0.015625mV
  // ads.setGain(GAIN_SIXTEEN);    // 16x gain  +/- 0.256V  1 bit = 0.125mV  0.0078125mV
  ads.begin();
  
}

void loop() {
  Serial.print("Wiper voltage with wiper set to 0: ");
  ds3502.setWiper(0);
  float wiper_value = ads.readADC_SingleEnded(0);
//  wiper_value *= 5.0;
//  wiper_value /= 1024;
  wiper_value *= 0.1875;
  Serial.print(wiper_value);
  Serial.println(" mV");

  Serial.println();
  delay(1000);

  Serial.print("Wiper voltage with wiper set to 63: ");
  ds3502.setWiper(63);
  wiper_value = ads.readADC_SingleEnded(0);
//  wiper_value *= 5.0;
//  wiper_value /= 32000;
  wiper_value *= 0.1875;
  Serial.print(wiper_value);
  Serial.println(" mV");

  Serial.println();
  delay(1000);

  Serial.print("Wiper voltage with wiper set to 127: ");
  ds3502.setWiper(127);
  wiper_value = ads.readADC_SingleEnded(0);
//  wiper_value *= 5.0;
//  wiper_value /= 1024;
  wiper_value *= 0.1875;
  Serial.print(wiper_value);
  Serial.println(" mV");

  Serial.println();
  delay(1000);
}