driver ens160 source file More...

#include "driver_ens160.h"
#include <math.h>

Include dependency graph for driver_ens160.c:

Macros
#define	CHIP_NAME "ScioSense ENS160"
	chip register definition
#define	MANUFACTURER_NAME "ScioSense"
#define	SUPPLY_VOLTAGE_MIN 1.71f
#define	SUPPLY_VOLTAGE_MAX 1.98f
#define	MAX_CURRENT 79.0f
#define	TEMPERATURE_MIN -40.0f
#define	TEMPERATURE_MAX 85.0f
#define	DRIVER_VERSION 1000
#define	ENS160_REG_PART_ID 0x00
	chip register definition
#define	ENS160_REG_OPMODE 0x10
#define	ENS160_REG_CONFIG 0x11
#define	ENS160_REG_COMMAND 0x12
#define	ENS160_REG_TEMP_IN 0x13
#define	ENS160_REG_RH_IN 0x15
#define	ENS160_REG_DEVICE_STATUS 0x20
#define	ENS160_REG_DATA_AQI 0x21
#define	ENS160_REG_DATA_TVOC 0x22
#define	ENS160_REG_DATA_ECO2 0x24
#define	ENS160_REG_DATA_ETOH 0x22
#define	ENS160_REG_DATA_T 0x30
#define	ENS160_REG_DATA_RH 0x32
#define	ENS160_REG_DATA_MISR 0x38
#define	ENS160_REG_GPR_WRITE 0x40
#define	ENS160_REG_GPR_READ 0x48

Functions
uint8_t	ens160_set_interface (ens160_handle_t *handle, ens160_interface_t interface)
	set the chip interface
uint8_t	ens160_get_interface (ens160_handle_t handle, ens160_interface_t interface)
	get the chip interface
uint8_t	ens160_set_addr_pin (ens160_handle_t *handle, ens160_address_t addr_pin)
	set the iic address pin
uint8_t	ens160_get_addr_pin (ens160_handle_t handle, ens160_address_t addr_pin)
	get the iic address pin
uint8_t	ens160_set_mode (ens160_handle_t *handle, ens160_mode_t mode)
	set mode
uint8_t	ens160_get_mode (ens160_handle_t handle, ens160_mode_t mode)
	get mode
uint8_t	ens160_soft_reset (ens160_handle_t *handle)
	soft reset
uint8_t	ens160_set_interrupt_pin_polarity (ens160_handle_t *handle, ens160_pin_polarity_t polarity)
	set interrupt pin polarity
uint8_t	ens160_get_interrupt_pin_polarity (ens160_handle_t handle, ens160_pin_polarity_t polarity)
	get interrupt pin polarity
uint8_t	ens160_set_interrupt_pin_drive (ens160_handle_t *handle, ens160_pin_drive_t drive)
	set interrupt pin drive
uint8_t	ens160_get_interrupt_pin_drive (ens160_handle_t handle, ens160_pin_drive_t drive)
	get interrupt pin drive
uint8_t	ens160_set_general_purpose_read_interrupt_pin_asserted (ens160_handle_t *handle, ens160_bool_t enable)
	set general purpose read interrupt pin asserted
uint8_t	ens160_get_general_purpose_read_interrupt_pin_asserted (ens160_handle_t handle, ens160_bool_t enable)
	get general purpose read interrupt pin asserted
uint8_t	ens160_set_data_interrupt_pin_asserted (ens160_handle_t *handle, ens160_bool_t enable)
	set data interrupt pin asserted
uint8_t	ens160_get_data_interrupt_pin_asserted (ens160_handle_t handle, ens160_bool_t enable)
	get data interrupt pin asserted
uint8_t	ens160_set_interrupt (ens160_handle_t *handle, ens160_bool_t enable)
	enable or disable interrupt
uint8_t	ens160_get_interrupt (ens160_handle_t handle, ens160_bool_t enable)
	get interrupt
uint8_t	ens160_nop (ens160_handle_t *handle)
	nop
uint8_t	ens160_get_app_version (ens160_handle_t handle, uint8_t major, uint8_t minor, uint8_t release)
	get app version
uint8_t	ens160_clear (ens160_handle_t *handle)
	clear
uint8_t	ens160_set_temperature_compensation (ens160_handle_t *handle, uint16_t raw)
	set temperature compensation
uint8_t	ens160_get_temperature_compensation (ens160_handle_t handle, uint16_t raw)
	get temperature compensation
uint8_t	ens160_set_humidity_compensation (ens160_handle_t *handle, uint16_t raw)
	set humidity compensation
uint8_t	ens160_get_humidity_compensation (ens160_handle_t handle, uint16_t raw)
	get humidity compensation
uint8_t	ens160_get_status (ens160_handle_t handle, uint8_t status)
	get status
uint8_t	ens160_read_aqi (ens160_handle_t handle, uint8_t uba)
	read aqi
uint8_t	ens160_read_tvoc (ens160_handle_t handle, uint16_t tvoc_ppb)
	read tvoc
uint8_t	ens160_read_eco2 (ens160_handle_t handle, uint16_t eco2_ppm)
	read eco2
uint8_t	ens160_read_etoh (ens160_handle_t handle, uint16_t etoh_ppb)
	read etoh
uint8_t	ens160_get_calculation_temperature (ens160_handle_t handle, uint16_t raw)
	get calculation temperature
uint8_t	ens160_get_calculation_humidity (ens160_handle_t handle, uint16_t raw)
	get calculation humidity
uint8_t	ens160_get_checksum (ens160_handle_t handle, uint8_t checksum)
	get checksum
uint8_t	ens160_set_params (ens160_handle_t *handle, uint8_t params[8])
	set params
uint8_t	ens160_get_params (ens160_handle_t *handle, uint8_t params[8])
	get params
uint8_t	ens160_get_params_output (ens160_handle_t *handle, uint8_t params[8])
	get params output
uint8_t	ens160_temperature_convert_to_register (ens160_handle_t handle, float celsius_deg, uint16_t reg)
	convert the temperature to the register raw data
uint8_t	ens160_temperature_convert_to_data (ens160_handle_t handle, uint16_t reg, float celsius_deg)
	convert the register raw data to the temperature
uint8_t	ens160_humidity_convert_to_register (ens160_handle_t handle, float percentage, uint16_t reg)
	convert the humidity to the register raw data
uint8_t	ens160_humidity_convert_to_data (ens160_handle_t handle, uint16_t reg, float percentage)
	convert the register raw data to the humidity
uint8_t	ens160_resistance_convert_to_register (ens160_handle_t handle, float ohm, uint16_t reg)
	convert the resistance to the register raw data
uint8_t	ens160_resistance_convert_to_data (ens160_handle_t handle, uint16_t reg, float ohm)
	convert the register raw data to the resistance
uint8_t	ens160_resistance_split (ens160_handle_t handle, uint8_t raw[8], uint16_t resistance0, uint16_t resistance1, uint16_t resistance2, uint16_t *resistance3)
	resistance split
uint8_t	ens160_irq_handler (ens160_handle_t *handle)
	irq handler
uint8_t	ens160_init (ens160_handle_t *handle)
	initialize the chip
uint8_t	ens160_deinit (ens160_handle_t *handle)
	close the chip
uint8_t	ens160_set_reg (ens160_handle_t handle, uint8_t reg, uint8_t buf, uint16_t len)
	set the chip register
uint8_t	ens160_get_reg (ens160_handle_t handle, uint8_t reg, uint8_t buf, uint16_t len)
	get the chip register
uint8_t	ens160_info (ens160_info_t *info)
	get chip's information

Detailed Description

driver ens160 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: 1.0.0

Author: Shifeng Li

Date: 2026-02-23

history

Date	Version	Author	Description
2026/02/23	1.0	Shifeng Li	first upload

Definition in file driver_ens160.c.

Macro Definition Documentation

◆ CHIP_NAME

#define CHIP_NAME "ScioSense ENS160"

chip register definition

chip name

Definition at line 43 of file driver_ens160.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 1000

driver version

Definition at line 50 of file driver_ens160.c.

◆ ENS160_REG_COMMAND

#define ENS160_REG_COMMAND 0x12

additional system command register

Definition at line 58 of file driver_ens160.c.

◆ ENS160_REG_CONFIG

#define ENS160_REG_CONFIG 0x11

interrupt pin configuration register

Definition at line 57 of file driver_ens160.c.

◆ ENS160_REG_DATA_AQI

#define ENS160_REG_DATA_AQI 0x21

air quality index register

Definition at line 62 of file driver_ens160.c.

◆ ENS160_REG_DATA_ECO2

#define ENS160_REG_DATA_ECO2 0x24

equivalent co2 concentration register

Definition at line 64 of file driver_ens160.c.

◆ ENS160_REG_DATA_ETOH

#define ENS160_REG_DATA_ETOH 0x22

ethanol concentration register

Definition at line 65 of file driver_ens160.c.

◆ ENS160_REG_DATA_MISR

#define ENS160_REG_DATA_MISR 0x38

data integrity field register

Definition at line 68 of file driver_ens160.c.

◆ ENS160_REG_DATA_RH

#define ENS160_REG_DATA_RH 0x32

relative humidity used in calculations register

Definition at line 67 of file driver_ens160.c.

◆ ENS160_REG_DATA_T

#define ENS160_REG_DATA_T 0x30

temperature used in calculations register

Definition at line 66 of file driver_ens160.c.

◆ ENS160_REG_DATA_TVOC

#define ENS160_REG_DATA_TVOC 0x22

tvoc concentration register

Definition at line 63 of file driver_ens160.c.

◆ ENS160_REG_DEVICE_STATUS

#define ENS160_REG_DEVICE_STATUS 0x20

operating mode register

Definition at line 61 of file driver_ens160.c.

◆ ENS160_REG_GPR_READ

#define ENS160_REG_GPR_READ 0x48

general purpose read register

Definition at line 70 of file driver_ens160.c.

◆ ENS160_REG_GPR_WRITE

#define ENS160_REG_GPR_WRITE 0x40

general purpose write register

Definition at line 69 of file driver_ens160.c.

◆ ENS160_REG_OPMODE

#define ENS160_REG_OPMODE 0x10

operating mode register

Definition at line 56 of file driver_ens160.c.

◆ ENS160_REG_PART_ID

#define ENS160_REG_PART_ID 0x00

chip register definition

device identity register

Definition at line 55 of file driver_ens160.c.

◆ ENS160_REG_RH_IN

#define ENS160_REG_RH_IN 0x15

host relative humidity information register

Definition at line 60 of file driver_ens160.c.

◆ ENS160_REG_TEMP_IN

#define ENS160_REG_TEMP_IN 0x13

host ambient temperature information register

Definition at line 59 of file driver_ens160.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "ScioSense"

manufacturer name

Definition at line 44 of file driver_ens160.c.

◆ MAX_CURRENT

#define MAX_CURRENT 79.0f

chip max current

Definition at line 47 of file driver_ens160.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 1.98f

chip max supply voltage

Definition at line 46 of file driver_ens160.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 1.71f

chip min supply voltage

Definition at line 45 of file driver_ens160.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 85.0f

chip max operating temperature

Definition at line 49 of file driver_ens160.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -40.0f

chip min operating temperature

Definition at line 48 of file driver_ens160.c.

Macros

Functions