Adafruit_ADS1X15.hpp File Reference

#include <TwoWire.hpp>

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
#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.

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