bme680_settings.c File Reference

Sensor driver for the Bosch BME680 air quality sensor. This library supports i2c and 4-wire SPI connections, reads temperature, pressure, relative humidity, and VOC levels, and provides limited support for adjusting the sensors settings. More...

#include "bme680.h"

Functions
char	bme680_loadSettings (bme680_t *dev)
	Loads settings values that have been saved in the bme680_t structure into the BME680 sensor. More...
void	bme680_configure (bme680_t *dev, char setting, int value)
	Change configurable settings for the BME680 sensor. More...

Detailed Description

Sensor driver for the Bosch BME680 air quality sensor. This library supports i2c and 4-wire SPI connections, reads temperature, pressure, relative humidity, and VOC levels, and provides limited support for adjusting the sensors settings.

Author

Matthew Matz

Version

0.5

Copyright

Copyright (C) Parallax, Inc. 2019. All Rights MIT Licensed.

Function Documentation

bme680_configure()

void bme680_configure	(	bme680_t *	dev,
		char	setting,
		int	value
	)

Change configurable settings for the BME680 sensor.

Parameters

*dev	pointer to the bme680 device.
setting	the setting to change. May be

Ambient Temperature in deg C (BME680_SETTING_AMB_TEMP) - default is 25. Heater Temperature in deg C (BME680_SETTING_HEATER_TEMP) - default is 320. Heater Duration in ms (BME680_SETTING_HEATER_DURATION) - default is 150. Low-pass filter size (BME680_SETTING_FILTER_SIZE) - default is BME680_FILTER_SIZE_3. Temperature samples to take (BME680_SETTING_TEMP_SAMPLES) - default is BME680_OS_8X. Pressure samples to take (BME680_SETTING_PRESSURE_SAMPLES) - default is BME680_OS_4X. Humidity samples to take (BME680_SETTING_HUMIDITY_SAMPLES) - default is BME680_OS_2X.

Parameters

value

the value to write into that setting.

bme680_loadSettings()

char bme680_loadSettings

(

bme680_t *

dev

)

Loads settings values that have been saved in the bme680_t structure into the BME680 sensor.

Note

Must be called after calling bem680_init...() and before calling bme_readSensor().

Parameters

*dev	pointer to the bme680 device.