/**
*  Basic Example for Arduino Library for Texas Instruments ADS1118 - 16-Bit Analog-to-Digital Converter with 
*  Internal Reference and Temperature Sensor
*  
*  @author Alvaro Salazar <alvaro@denkitronik.com>
*  http://www.denkitronik.com
*
*/

#include "vishnuADC.h"
#include <SPI.h>

//Definition of the Arduino pin to be used as the chip select pin (SPI CS pin). Example: pin 5
#define CS 5

//Creating an ADS1118 object (object's name is ads1118)
ADS1118 ads1118(CS);


void setup(){
    Serial.begin(115200);
    ads1118.begin(); //Initialize the ADS1118. Default setting: PULLUP RESISTOR, ADC MODE, RATE 8SPS, SINGLE SHOT, ±0.256V, DIFFERENTIAL AIN0-AIN1

    /* Changing the sampling rate. RATE_8SPS, RATE_16SPS, RATE_32SPS, RATE_64SPS, RATE_128SPS, RATE_250SPS, RATE_475SPS, RATE_860SPS*/
    ads1118.setSamplingRate(ads1118.RATE_8SPS);

    /* Changing the input selected. Differential inputs: DIFF_0_1, DIFF_0_3, DIFF_1_3, DIFF_2_3. Single ended input: AIN_0, AIN_1, AIN_2, AIN_3*/
    ads1118.setInputSelected(ads1118.DIFF_0_1);

    /* Changing the full scale range. 
     *  FSR_6144 (±6.144V)*, FSR_4096(±4.096V)*, FSR_2048(±2.048V), FSR_1024(±1.024V), FSR_0512(±0.512V), FSR_0256(±0.256V).
     *  (*) No more than VDD + 0.3 V must be applied to this device. 
     */
    ads1118.setFullScaleRange(ads1118.FSR_0256);
}


void loop(){
    Serial.println(String(ads1118.getTemperature(),6)+" C"); //Getting temperature of the internal sensor
    //Serial.println(String(ads1118.getMilliVolts(),10)+"mV"); //Getting millivolts measured in the input selected
    delay(200); //You can use a delay to save power. The ADS1118 will be in power down state during all the delay time. (Optional)
}