#include <Adafruit_I2CDevice.h>
#include <Arduino.h>
#include <Wire.h>

Classes
class	Adafruit_ADS1X15
	Sensor driver for the Adafruit ADS1X15 ADC breakouts. More...

class	Adafruit_ADS1015
	Sensor driver for the Adafruit ADS1015 ADC breakout. More...

class	Adafruit_ADS1115
	Sensor driver for the Adafruit ADS1115 ADC breakout. More...

Macros
#define	ADS1X15_ADDRESS (0x48)
	1001 000 (ADDR = GND)

#define	ADS1X15_REG_POINTER_MASK (0x03)
	Point mask.

#define	ADS1X15_REG_POINTER_CONVERT (0x00)
	Conversion.

#define	ADS1X15_REG_POINTER_CONFIG (0x01)
	Configuration.

#define	ADS1X15_REG_POINTER_LOWTHRESH (0x02)
	Low threshold.

#define	ADS1X15_REG_POINTER_HITHRESH (0x03)
	High threshold.

#define	ADS1X15_REG_CONFIG_OS_MASK (0x8000)
	OS Mask.

#define	ADS1X15_REG_CONFIG_OS_SINGLE (0x8000)
	Write: Set to start a single-conversion.

#define	ADS1X15_REG_CONFIG_OS_BUSY (0x0000)
	Read: Bit = 0 when conversion is in progress.

#define	ADS1X15_REG_CONFIG_OS_NOTBUSY (0x8000)
	Read: Bit = 1 when device is not performing a conversion.

#define	ADS1X15_REG_CONFIG_MUX_MASK (0x7000)
	Mux Mask.

#define	ADS1X15_REG_CONFIG_MUX_DIFF_0_1 (0x0000)
	Differential P = AIN0, N = AIN1 (default)

#define	ADS1X15_REG_CONFIG_MUX_DIFF_0_3 (0x1000)
	Differential P = AIN0, N = AIN3.

#define	ADS1X15_REG_CONFIG_MUX_DIFF_1_3 (0x2000)
	Differential P = AIN1, N = AIN3.

#define	ADS1X15_REG_CONFIG_MUX_DIFF_2_3 (0x3000)
	Differential P = AIN2, N = AIN3.

#define	ADS1X15_REG_CONFIG_MUX_SINGLE_0 (0x4000)
	Single-ended AIN0.

#define	ADS1X15_REG_CONFIG_MUX_SINGLE_1 (0x5000)
	Single-ended AIN1.

#define	ADS1X15_REG_CONFIG_MUX_SINGLE_2 (0x6000)
	Single-ended AIN2.

#define	ADS1X15_REG_CONFIG_MUX_SINGLE_3 (0x7000)
	Single-ended AIN3.

#define	ADS1X15_REG_CONFIG_PGA_MASK (0x0E00)
	PGA Mask.

#define	ADS1X15_REG_CONFIG_PGA_6_144V (0x0000)
	+/-6.144V range = Gain 2/3

#define	ADS1X15_REG_CONFIG_PGA_4_096V (0x0200)
	+/-4.096V range = Gain 1

#define	ADS1X15_REG_CONFIG_PGA_2_048V (0x0400)
	+/-2.048V range = Gain 2 (default)

#define	ADS1X15_REG_CONFIG_PGA_1_024V (0x0600)
	+/-1.024V range = Gain 4

#define	ADS1X15_REG_CONFIG_PGA_0_512V (0x0800)
	+/-0.512V range = Gain 8

#define	ADS1X15_REG_CONFIG_PGA_0_256V (0x0A00)
	+/-0.256V range = Gain 16

#define	ADS1X15_REG_CONFIG_MODE_MASK (0x0100)
	Mode Mask.

#define	ADS1X15_REG_CONFIG_MODE_CONTIN (0x0000)
	Continuous conversion mode.

#define	ADS1X15_REG_CONFIG_MODE_SINGLE (0x0100)
	Power-down single-shot mode (default)

#define	ADS1X15_REG_CONFIG_RATE_MASK (0x00E0)
	Data Rate Mask.

#define	ADS1X15_REG_CONFIG_CMODE_MASK (0x0010)
	CMode Mask.

#define	ADS1X15_REG_CONFIG_CMODE_TRAD (0x0000)
	Traditional comparator with hysteresis (default)

#define	ADS1X15_REG_CONFIG_CMODE_WINDOW (0x0010)
	Window comparator.

#define	ADS1X15_REG_CONFIG_CPOL_MASK (0x0008)
	CPol Mask.

#define	ADS1X15_REG_CONFIG_CPOL_ACTVLOW (0x0000)
	ALERT/RDY pin is low when active (default)

#define	ADS1X15_REG_CONFIG_CPOL_ACTVHI (0x0008)
	ALERT/RDY pin is high when active.

#define	ADS1X15_REG_CONFIG_CLAT_MASK (0x0004)
	Determines if ALERT/RDY pin latches once asserted.

#define	ADS1X15_REG_CONFIG_CLAT_NONLAT (0x0000)
	Non-latching comparator (default)

#define	ADS1X15_REG_CONFIG_CLAT_LATCH (0x0004)
	Latching comparator.

#define	ADS1X15_REG_CONFIG_CQUE_MASK (0x0003)
	CQue Mask.

#define	ADS1X15_REG_CONFIG_CQUE_1CONV (0x0000)
	Assert ALERT/RDY after one conversions.

#define	ADS1X15_REG_CONFIG_CQUE_2CONV (0x0001)
	Assert ALERT/RDY after two conversions.

#define	ADS1X15_REG_CONFIG_CQUE_4CONV (0x0002)
	Assert ALERT/RDY after four conversions.

#define	ADS1X15_REG_CONFIG_CQUE_NONE (0x0003)
	Disable the comparator and put ALERT/RDY in high state (default)

#define	RATE_ADS1015_128SPS (0x0000)
	128 samples per second More...

#define	RATE_ADS1015_250SPS (0x0020)
	250 samples per second

#define	RATE_ADS1015_490SPS (0x0040)
	490 samples per second

#define	RATE_ADS1015_920SPS (0x0060)
	920 samples per second

#define	RATE_ADS1015_1600SPS (0x0080)
	1600 samples per second (default)

#define	RATE_ADS1015_2400SPS (0x00A0)
	2400 samples per second

#define	RATE_ADS1015_3300SPS (0x00C0)
	3300 samples per second

#define	RATE_ADS1115_8SPS (0x0000)
	8 samples per second

#define	RATE_ADS1115_16SPS (0x0020)
	16 samples per second

#define	RATE_ADS1115_32SPS (0x0040)
	32 samples per second

#define	RATE_ADS1115_64SPS (0x0060)
	64 samples per second

#define	RATE_ADS1115_128SPS (0x0080)
	128 samples per second (default)

#define	RATE_ADS1115_250SPS (0x00A0)
	250 samples per second

#define	RATE_ADS1115_475SPS (0x00C0)
	475 samples per second

#define	RATE_ADS1115_860SPS (0x00E0)
	860 samples per second

Enumerations
enum	adsGain_t { GAIN_TWOTHIRDS = ADS1X15_REG_CONFIG_PGA_6_144V, GAIN_ONE = ADS1X15_REG_CONFIG_PGA_4_096V, GAIN_TWO = ADS1X15_REG_CONFIG_PGA_2_048V, GAIN_FOUR = ADS1X15_REG_CONFIG_PGA_1_024V, GAIN_EIGHT = ADS1X15_REG_CONFIG_PGA_0_512V, GAIN_SIXTEEN = ADS1X15_REG_CONFIG_PGA_0_256V }

Variables
constexpr uint16_t	MUX_BY_CHANNEL []
	MUX config by channel. More...

Detailed Description

This is a library for the Adafruit ADS1X15 ADC breakout boards.

Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!

Written by Kevin "KTOWN" Townsend for Adafruit Industries.

BSD license, all text here must be included in any redistribution

Macro Definition Documentation

◆ RATE_ADS1015_128SPS

#define RATE_ADS1015_128SPS (0x0000)

128 samples per second

Data rates

Enumeration Type Documentation

◆ adsGain_t

enum adsGain_t

Gain settings

Variable Documentation

◆ MUX_BY_CHANNEL

constexpr uint16_t MUX_BY_CHANNEL[]

Initial value:

= {
    ADS1X15_REG_CONFIG_MUX_SINGLE_0, 
    ADS1X15_REG_CONFIG_MUX_SINGLE_1, 
    ADS1X15_REG_CONFIG_MUX_SINGLE_2, 
    ADS1X15_REG_CONFIG_MUX_SINGLE_3  
}

MUX config by channel.

Classes

Macros

Enumerations