bme680_comms.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
void	bme680_read (bme680_t *dev, unsigned char reg_addr, unsigned char *reg_data, unsigned short len)
	Internal function used to write values to the specified registers of the BME680 sensor. More...
void	bme680_write (bme680_t *dev, unsigned char reg_addr, unsigned char *reg_data, unsigned short len)
	Internal function used to read values from the specified registers of 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_read()

void bme680_read	(	bme680_t *	dev,
		unsigned char	reg_addr,
		unsigned char *	reg_data,
		unsigned short	len
	)

Internal function used to write values to the specified registers of the BME680 sensor.

Parameters

*dev	pointer to the bme680 device.
reg_addr	the address of first register to write to.
*reg_data	the array containing alternating data and address bytes to write.
len	the total number of data and address bytes to write.

bme680_write()

void bme680_write	(	bme680_t *	dev,
		unsigned char	reg_addr,
		unsigned char *	reg_data,
		unsigned short	len
	)

Internal function used to read values from the specified registers of the BME680 sensor.

Parameters

*dev	pointer to the bme680 device.
reg_addr	the address of register to begin reading from.
*reg_data	the array to store the received data into.
len	the number of bytes to read.