driver ads1115 source file More...

#include "driver_ads1115.h"

Include dependency graph for driver_ads1115.c:

Macros
#define	CHIP_NAME "Texas Instruments ADS1115"
	chip information definition
#define	MANUFACTURER_NAME "Texas Instruments"
#define	SUPPLY_VOLTAGE_MIN 2.0f
#define	SUPPLY_VOLTAGE_MAX 5.5f
#define	MAX_CURRENT 0.2f
#define	TEMPERATURE_MIN -40.0f
#define	TEMPERATURE_MAX 125.0f
#define	DRIVER_VERSION 2000
#define	ADS1115_REG_CONVERT 0x00
	chip register definition
#define	ADS1115_REG_CONFIG 0x01
#define	ADS1115_REG_LOWRESH 0x02
#define	ADS1115_REG_HIGHRESH 0x03
#define	ADS1115_ADDRESS1 (0x48 << 1)
	iic address definition
#define	ADS1115_ADDRESS2 (0x49 << 1)
#define	ADS1115_ADDRESS3 (0x4A << 1)
#define	ADS1115_ADDRESS4 (0x4B << 1)

Functions
uint8_t	ads1115_init (ads1115_handle_t *handle)
	initialize the chip
uint8_t	ads1115_deinit (ads1115_handle_t *handle)
	close the chip
uint8_t	ads1115_set_channel (ads1115_handle_t *handle, ads1115_channel_t channel)
	set the adc channel
uint8_t	ads1115_get_channel (ads1115_handle_t handle, ads1115_channel_t channel)
	get the adc channel
uint8_t	ads1115_set_range (ads1115_handle_t *handle, ads1115_range_t range)
	set the adc range
uint8_t	ads1115_get_range (ads1115_handle_t handle, ads1115_range_t range)
	get the adc range
uint8_t	ads1115_set_alert_pin (ads1115_handle_t *handle, ads1115_pin_t pin)
	set the alert pin active status
uint8_t	ads1115_get_alert_pin (ads1115_handle_t handle, ads1115_pin_t pin)
	get the alert pin active status
uint8_t	ads1115_set_compare_mode (ads1115_handle_t *handle, ads1115_compare_t compare)
	set the interrupt compare mode
uint8_t	ads1115_get_compare_mode (ads1115_handle_t handle, ads1115_compare_t compare)
	get the interrupt compare mode
uint8_t	ads1115_set_rate (ads1115_handle_t *handle, ads1115_rate_t rate)
	set the sample rate
uint8_t	ads1115_get_rate (ads1115_handle_t handle, ads1115_rate_t rate)
	get the sample rate
uint8_t	ads1115_set_comparator_queue (ads1115_handle_t *handle, ads1115_comparator_queue_t comparator_queue)
	set the interrupt comparator queue
uint8_t	ads1115_get_comparator_queue (ads1115_handle_t handle, ads1115_comparator_queue_t comparator_queue)
	get the interrupt comparator queue
uint8_t	ads1115_set_addr_pin (ads1115_handle_t *handle, ads1115_address_t addr_pin)
	set the iic address pin
uint8_t	ads1115_get_addr_pin (ads1115_handle_t handle, ads1115_address_t addr_pin)
	get the iic address pin
uint8_t	ads1115_single_read (ads1115_handle_t handle, int16_t raw, float *v)
	read data from the chip once
uint8_t	ads1115_continuous_read (ads1115_handle_t handle, int16_t raw, float *v)
	read data from the chip continuously
uint8_t	ads1115_start_continuous_read (ads1115_handle_t *handle)
	start the chip reading
uint8_t	ads1115_stop_continuous_read (ads1115_handle_t *handle)
	stop the chip reading
uint8_t	ads1115_set_compare (ads1115_handle_t *handle, ads1115_bool_t enable)
	enable or disable the interrupt compare
uint8_t	ads1115_get_compare (ads1115_handle_t handle, ads1115_bool_t enable)
	get the interrupt compare status
uint8_t	ads1115_set_compare_threshold (ads1115_handle_t *handle, int16_t high_threshold, int16_t low_threshold)
	set the interrupt compare threshold
uint8_t	ads1115_get_compare_threshold (ads1115_handle_t handle, int16_t high_threshold, int16_t *low_threshold)
	get the interrupt compare threshold
uint8_t	ads1115_convert_to_register (ads1115_handle_t handle, float s, int16_t reg)
	convert a adc value to a register raw data
uint8_t	ads1115_convert_to_data (ads1115_handle_t handle, int16_t reg, float s)
	convert a register raw data to a converted adc data
uint8_t	ads1115_set_reg (ads1115_handle_t *handle, uint8_t reg, int16_t value)
	set the chip register
uint8_t	ads1115_get_reg (ads1115_handle_t handle, uint8_t reg, int16_t value)
	get the chip register
uint8_t	ads1115_info (ads1115_info_t *info)
	get chip's information

Detailed Description

driver ads1115 source file

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Version: 2.0.0

Author: Shifeng Li

Date: 2021-02-13

history

Date	Version	Author	Description
2021/02/13	2.0	Shifeng Li	format the code
2020/10/13	1.0	Shifeng Li	first upload

Definition in file driver_ads1115.c.

Macro Definition Documentation

◆ ADS1115_ADDRESS1

#define ADS1115_ADDRESS1 (0x48 << 1)

iic address definition

iic address 1

Definition at line 63 of file driver_ads1115.c.

◆ ADS1115_ADDRESS2

#define ADS1115_ADDRESS2 (0x49 << 1)

iic address 2

Definition at line 64 of file driver_ads1115.c.

◆ ADS1115_ADDRESS3

#define ADS1115_ADDRESS3 (0x4A << 1)

iic address 3

Definition at line 65 of file driver_ads1115.c.

◆ ADS1115_ADDRESS4

#define ADS1115_ADDRESS4 (0x4B << 1)

iic address 4

Definition at line 66 of file driver_ads1115.c.

◆ ADS1115_REG_CONFIG

#define ADS1115_REG_CONFIG 0x01

chip config register

Definition at line 56 of file driver_ads1115.c.

◆ ADS1115_REG_CONVERT

#define ADS1115_REG_CONVERT 0x00

chip register definition

adc result register

Definition at line 55 of file driver_ads1115.c.

◆ ADS1115_REG_HIGHRESH

#define ADS1115_REG_HIGHRESH 0x03

interrupt high threshold register

Definition at line 58 of file driver_ads1115.c.

◆ ADS1115_REG_LOWRESH

#define ADS1115_REG_LOWRESH 0x02

interrupt low threshold register

Definition at line 57 of file driver_ads1115.c.

◆ CHIP_NAME

#define CHIP_NAME "Texas Instruments ADS1115"

chip information definition

chip name

Definition at line 43 of file driver_ads1115.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 2000

driver version

Definition at line 50 of file driver_ads1115.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "Texas Instruments"

manufacturer name

Definition at line 44 of file driver_ads1115.c.

◆ MAX_CURRENT

#define MAX_CURRENT 0.2f

chip max current

Definition at line 47 of file driver_ads1115.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 5.5f

chip max supply voltage

Definition at line 46 of file driver_ads1115.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 2.0f

chip min supply voltage

Definition at line 45 of file driver_ads1115.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 125.0f

chip max operating temperature

Definition at line 49 of file driver_ads1115.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -40.0f

chip min operating temperature

Definition at line 48 of file driver_ads1115.c.

Macros

Functions