bmp280 base driver modules More...

Collaboration diagram for bmp280 base driver function:

Data Structures
struct	bmp280_handle_s
	bmp280 handle structure definition More...
struct	bmp280_info_s
	bmp280 information structure definition More...

Typedefs
typedef struct bmp280_handle_s	bmp280_handle_t
	bmp280 handle structure definition
typedef struct bmp280_info_s	bmp280_info_t
	bmp280 information structure definition

Enumerations
enum	bmp280_interface_t { BMP280_INTERFACE_IIC = 0x00 , BMP280_INTERFACE_SPI = 0x01 }
	bmp280 interface enumeration definition More...
enum	bmp280_address_t { BMP280_ADDRESS_ADO_LOW = (0x76 << 1) , BMP280_ADDRESS_ADO_HIGH = (0x77 << 1) }
	bmp280 address enumeration definition More...
enum	bmp280_status_t { BMP280_STATUS_MEASURING = (1 << 3) , BMP280_STATUS_IM_UPDATE = (1 << 0) }
	bmp280 status enumeration definition More...
enum	bmp280_oversampling_t { BMP280_OVERSAMPLING_SKIP = 0x00 , BMP280_OVERSAMPLING_x1 = 0x01 , BMP280_OVERSAMPLING_x2 = 0x02 , BMP280_OVERSAMPLING_x4 = 0x03 , BMP280_OVERSAMPLING_x8 = 0x04 , BMP280_OVERSAMPLING_x16 = 0x05 }
	bmp280 oversampling enumeration definition More...
enum	bmp280_mode_t { BMP280_MODE_SLEEP = 0x00 , BMP280_MODE_FORCED = 0x01 , BMP280_MODE_NORMAL = 0x03 }
	bmp280 mode enumeration definition More...
enum	bmp280_standby_time_t { BMP280_STANDBY_TIME_0P5_MS = 0x00 , BMP280_STANDBY_TIME_62P5_MS = 0x01 , BMP280_STANDBY_TIME_125_MS = 0x02 , BMP280_STANDBY_TIME_250_MS = 0x03 , BMP280_STANDBY_TIME_500_MS = 0x04 , BMP280_STANDBY_TIME_1000_MS = 0x05 , BMP280_STANDBY_TIME_2000_MS = 0x06 , BMP280_STANDBY_TIME_4000_MS = 0x07 }
	bmp280 standby time enumeration definition More...
enum	bmp280_filter_t { BMP280_FILTER_OFF = 0x00 , BMP280_FILTER_COEFF_2 = 0x01 , BMP280_FILTER_COEFF_4 = 0x02 , BMP280_FILTER_COEFF_8 = 0x03 , BMP280_FILTER_COEFF_16 = 0x04 }
	bmp280 filter enumeration definition More...
enum	bmp280_spi_wire_t { BMP280_SPI_WIRE_4 = 0x00 , BMP280_SPI_WIRE_3 = 0x01 }
	bmp280 spi wire enumeration definition More...

Functions
uint8_t	bmp280_info (bmp280_info_t *info)
	get chip's information
uint8_t	bmp280_set_interface (bmp280_handle_t *handle, bmp280_interface_t interface)
	set the interface
uint8_t	bmp280_get_interface (bmp280_handle_t handle, bmp280_interface_t interface)
	get the interface
uint8_t	bmp280_set_addr_pin (bmp280_handle_t *handle, bmp280_address_t addr_pin)
	set the iic address pin
uint8_t	bmp280_get_addr_pin (bmp280_handle_t handle, bmp280_address_t addr_pin)
	get the iic address pin
uint8_t	bmp280_init (bmp280_handle_t *handle)
	initialize the chip
uint8_t	bmp280_deinit (bmp280_handle_t *handle)
	close the chip
uint8_t	bmp280_read_temperature_pressure (bmp280_handle_t handle, uint32_t temperature_raw, float temperature_c, uint32_t pressure_raw, float *pressure_pa)
	read the temperature and pressure data
uint8_t	bmp280_read_pressure (bmp280_handle_t handle, uint32_t pressure_raw, float *pressure_pa)
	read the pressure data
uint8_t	bmp280_read_temperature (bmp280_handle_t handle, uint32_t temperature_raw, float *temperature_c)
	read the temperature data
uint8_t	bmp280_soft_reset (bmp280_handle_t *handle)
	soft reset
uint8_t	bmp280_get_status (bmp280_handle_t handle, uint8_t status)
	get status
uint8_t	bmp280_set_temperatue_oversampling (bmp280_handle_t *handle, bmp280_oversampling_t oversampling)
	set temperatue oversampling
uint8_t	bmp280_get_temperatue_oversampling (bmp280_handle_t handle, bmp280_oversampling_t oversampling)
	get temperatue oversampling
uint8_t	bmp280_set_pressure_oversampling (bmp280_handle_t *handle, bmp280_oversampling_t oversampling)
	set pressure oversampling
uint8_t	bmp280_get_pressure_oversampling (bmp280_handle_t handle, bmp280_oversampling_t oversampling)
	get pressure oversampling
uint8_t	bmp280_set_mode (bmp280_handle_t *handle, bmp280_mode_t mode)
	set mode
uint8_t	bmp280_get_mode (bmp280_handle_t handle, bmp280_mode_t mode)
	get mode
uint8_t	bmp280_set_standby_time (bmp280_handle_t *handle, bmp280_standby_time_t standby_time)
	set standby time
uint8_t	bmp280_get_standby_time (bmp280_handle_t handle, bmp280_standby_time_t standby_time)
	get standby time
uint8_t	bmp280_set_filter (bmp280_handle_t *handle, bmp280_filter_t filter)
	set filter
uint8_t	bmp280_get_filter (bmp280_handle_t handle, bmp280_filter_t filter)
	get filter
uint8_t	bmp280_set_spi_wire (bmp280_handle_t *handle, bmp280_spi_wire_t spi)
	set spi wire
uint8_t	bmp280_get_spi_wire (bmp280_handle_t handle, bmp280_spi_wire_t spi)
	get spi wire

Detailed Description

bmp280 base driver modules

Typedef Documentation

◆ bmp280_handle_t

typedef struct bmp280_handle_s bmp280_handle_t

bmp280 handle structure definition

◆ bmp280_info_t

typedef struct bmp280_info_s bmp280_info_t

bmp280 information structure definition

Enumeration Type Documentation

◆ bmp280_address_t

enum bmp280_address_t

bmp280 address enumeration definition

Enumerator
BMP280_ADDRESS_ADO_LOW	ADO is low
BMP280_ADDRESS_ADO_HIGH	ADO is HIGH

Definition at line 71 of file driver_bmp280.h.

◆ bmp280_filter_t

enum bmp280_filter_t

bmp280 filter enumeration definition

Enumerator
BMP280_FILTER_OFF	off
BMP280_FILTER_COEFF_2	coeff 2
BMP280_FILTER_COEFF_4	coeff 4
BMP280_FILTER_COEFF_8	coeff 8
BMP280_FILTER_COEFF_16	coeff 16

Definition at line 127 of file driver_bmp280.h.

◆ bmp280_interface_t

enum bmp280_interface_t

bmp280 interface enumeration definition

Enumerator
BMP280_INTERFACE_IIC	iic interface
BMP280_INTERFACE_SPI	spi interface

Definition at line 62 of file driver_bmp280.h.

◆ bmp280_mode_t

enum bmp280_mode_t

bmp280 mode enumeration definition

Enumerator
BMP280_MODE_SLEEP	sleep mode
BMP280_MODE_FORCED	forced mode
BMP280_MODE_NORMAL	normal mode

Definition at line 102 of file driver_bmp280.h.

◆ bmp280_oversampling_t

enum bmp280_oversampling_t

bmp280 oversampling enumeration definition

Enumerator
BMP280_OVERSAMPLING_SKIP	oversampling x1
BMP280_OVERSAMPLING_x1	oversampling x1
BMP280_OVERSAMPLING_x2	oversampling x2
BMP280_OVERSAMPLING_x4	oversampling x4
BMP280_OVERSAMPLING_x8	oversampling x8
BMP280_OVERSAMPLING_x16	oversampling x16

Definition at line 89 of file driver_bmp280.h.

◆ bmp280_spi_wire_t

enum bmp280_spi_wire_t

bmp280 spi wire enumeration definition

Enumerator
BMP280_SPI_WIRE_4	4 wire
BMP280_SPI_WIRE_3	3 wire

Definition at line 139 of file driver_bmp280.h.

◆ bmp280_standby_time_t

enum bmp280_standby_time_t

bmp280 standby time enumeration definition

Enumerator
BMP280_STANDBY_TIME_0P5_MS	0.5ms
BMP280_STANDBY_TIME_62P5_MS	62.5ms
BMP280_STANDBY_TIME_125_MS	125ms
BMP280_STANDBY_TIME_250_MS	250ms
BMP280_STANDBY_TIME_500_MS	500ms
BMP280_STANDBY_TIME_1000_MS	1000ms
BMP280_STANDBY_TIME_2000_MS	2000ms
BMP280_STANDBY_TIME_4000_MS	4000ms

Definition at line 112 of file driver_bmp280.h.

◆ bmp280_status_t

enum bmp280_status_t

bmp280 status enumeration definition

Enumerator
BMP280_STATUS_MEASURING	measuring
BMP280_STATUS_IM_UPDATE	im update

Definition at line 80 of file driver_bmp280.h.

Function Documentation

◆ bmp280_deinit()

uint8_t bmp280_deinit ( bmp280_handle_t * handle )

close the chip

Parameters

[in] *handle pointer to a bmp280 handle structure

Returns

status code

0 success
1 iic deinit failed
2 handle is NULL
3 handle is not initialized
4 power down failed

Note: none

Definition at line 584 of file driver_bmp280.c.

◆ bmp280_get_addr_pin()

uint8_t bmp280_get_addr_pin	(	bmp280_handle_t *	handle,
		bmp280_address_t *	addr_pin )

get the iic address pin

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*addr_pin	pointer to an iic address pin buffer

Returns

status code

0 success
2 handle is NULL

Note: none

Definition at line 385 of file driver_bmp280.c.

◆ bmp280_get_filter()

uint8_t bmp280_get_filter	(	bmp280_handle_t *	handle,
		bmp280_filter_t *	filter )

get filter

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*filter	pointer to a filter buffer

Returns

status code

0 success
1 get filter failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 1062 of file driver_bmp280.c.

◆ bmp280_get_interface()

uint8_t bmp280_get_interface	(	bmp280_handle_t *	handle,
		bmp280_interface_t *	interface )

get the interface

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*interface	pointer to a chip interface buffer

Returns

status code

0 success
2 handle is NULL

Note: none

Definition at line 427 of file driver_bmp280.c.

◆ bmp280_get_mode()

uint8_t bmp280_get_mode	(	bmp280_handle_t *	handle,
		bmp280_mode_t *	mode )

get mode

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*mode	pointer to a mode buffer

Returns

status code

0 success
1 get mode failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 908 of file driver_bmp280.c.

◆ bmp280_get_pressure_oversampling()

uint8_t bmp280_get_pressure_oversampling	(	bmp280_handle_t *	handle,
		bmp280_oversampling_t *	oversampling )

get pressure oversampling

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*oversampling	pointer to a oversampling buffer

Returns

status code

0 success
1 get pressure oversampling failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 831 of file driver_bmp280.c.

◆ bmp280_get_spi_wire()

uint8_t bmp280_get_spi_wire	(	bmp280_handle_t *	handle,
		bmp280_spi_wire_t *	spi )

get spi wire

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*spi	pointer to a spi wire buffer

Returns

status code

0 success
1 get spi wire failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 1139 of file driver_bmp280.c.

◆ bmp280_get_standby_time()

uint8_t bmp280_get_standby_time	(	bmp280_handle_t *	handle,
		bmp280_standby_time_t *	standby_time )

get standby time

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*standby_time	pointer to a standby time buffer

Returns

status code

0 success
1 get standby time failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 985 of file driver_bmp280.c.

◆ bmp280_get_status()

uint8_t bmp280_get_status	(	bmp280_handle_t *	handle,
		uint8_t *	status )

get status

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*status	pointer to a status buffer

Returns

status code

0 success
1 get status failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 680 of file driver_bmp280.c.

◆ bmp280_get_temperatue_oversampling()

uint8_t bmp280_get_temperatue_oversampling	(	bmp280_handle_t *	handle,
		bmp280_oversampling_t *	oversampling )

get temperatue oversampling

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*oversampling	pointer to a oversampling buffer

Returns

status code

0 success
1 get temperatue oversampling failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 754 of file driver_bmp280.c.

◆ bmp280_info()

uint8_t bmp280_info ( bmp280_info_t * info )

get chip's information

Parameters

[out] *info pointer to a bmp280 info structure

Returns

status code

0 success
2 handle is NULL

Note: none

Definition at line 1616 of file driver_bmp280.c.

◆ bmp280_init()

uint8_t bmp280_init ( bmp280_handle_t * handle )

initialize the chip

Parameters

[in] *handle pointer to a bmp280 handle structure

Returns

status code

0 success
1 iic or spi initialization failed
2 handle is NULL
3 linked functions is NULL
4 id is error
5 get nvm calibration failed
6 read calibration failed

Note: none

Definition at line 452 of file driver_bmp280.c.

◆ bmp280_read_pressure()

uint8_t bmp280_read_pressure	(	bmp280_handle_t *	handle,
		uint32_t *	pressure_raw,
		float *	pressure_pa )

read the pressure data

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*pressure_raw	pointer to a raw pressure buffer
[out]	*pressure_pa	pointer to a converted pressure buffer

Returns

status code

0 success
1 pressure read failed
2 handle is NULL
3 handle is not initialized
4 compensate pressure failed
5 read timeout

Note: none

Definition at line 1177 of file driver_bmp280.c.

◆ bmp280_read_temperature()

uint8_t bmp280_read_temperature	(	bmp280_handle_t *	handle,
		uint32_t *	temperature_raw,
		float *	temperature_c )

read the temperature data

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*temperature_raw	pointer to a raw temperature buffer
[out]	*temperature_c	pointer to a converted temperature buffer

Returns

status code

0 success
1 temperature read failed
2 handle is NULL
3 handle is not initialized
4 compensate pressure failed
5 read timeout

Note: none

Definition at line 1315 of file driver_bmp280.c.

◆ bmp280_read_temperature_pressure()

uint8_t bmp280_read_temperature_pressure	(	bmp280_handle_t *	handle,
		uint32_t *	temperature_raw,
		float *	temperature_c,
		uint32_t *	pressure_raw,
		float *	pressure_pa )

read the temperature and pressure data

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[out]	*temperature_raw	pointer to a raw temperature buffer
[out]	*temperature_c	pointer to a converted temperature buffer
[out]	*pressure_raw	pointer to a raw pressure buffer
[out]	*pressure_pa	pointer to a converted pressure buffer

Returns

status code

0 success
1 read failed
2 handle is NULL
3 handle is not initialized
4 compensate pressure failed
5 read timeout

Note: none

Definition at line 1433 of file driver_bmp280.c.

◆ bmp280_set_addr_pin()

uint8_t bmp280_set_addr_pin	(	bmp280_handle_t *	handle,
		bmp280_address_t	addr_pin )

set the iic address pin

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	addr_pin	iic address pin

Returns

status code

0 success
2 handle is NULL

Note: none

Definition at line 364 of file driver_bmp280.c.

◆ bmp280_set_filter()

uint8_t bmp280_set_filter	(	bmp280_handle_t *	handle,
		bmp280_filter_t	filter )

set filter

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	filter	input filter

Returns

status code

0 success
1 set filter failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 1020 of file driver_bmp280.c.

◆ bmp280_set_interface()

uint8_t bmp280_set_interface	(	bmp280_handle_t *	handle,
		bmp280_interface_t	interface )

set the interface

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	interface	chip interface

Returns

status code

0 success
2 handle is NULL

Note: none

Definition at line 406 of file driver_bmp280.c.

◆ bmp280_set_mode()

uint8_t bmp280_set_mode	(	bmp280_handle_t *	handle,
		bmp280_mode_t	mode )

set mode

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	mode	chip mode

Returns

status code

0 success
1 set mode failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 866 of file driver_bmp280.c.

◆ bmp280_set_pressure_oversampling()

uint8_t bmp280_set_pressure_oversampling	(	bmp280_handle_t *	handle,
		bmp280_oversampling_t	oversampling )

set pressure oversampling

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	oversampling	pressure oversampling

Returns

status code

0 success
1 set pressure oversampling failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 789 of file driver_bmp280.c.

◆ bmp280_set_spi_wire()

uint8_t bmp280_set_spi_wire	(	bmp280_handle_t *	handle,
		bmp280_spi_wire_t	spi )

set spi wire

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	spi	spi wire

Returns

status code

0 success
1 set spi wire failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 1097 of file driver_bmp280.c.

◆ bmp280_set_standby_time()

uint8_t bmp280_set_standby_time	(	bmp280_handle_t *	handle,
		bmp280_standby_time_t	standby_time )

set standby time

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	standby_time	standby time

Returns

status code

0 success
1 set standby time failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 943 of file driver_bmp280.c.

◆ bmp280_set_temperatue_oversampling()

uint8_t bmp280_set_temperatue_oversampling	(	bmp280_handle_t *	handle,
		bmp280_oversampling_t	oversampling )

set temperatue oversampling

Parameters

[in]	*handle	pointer to a bmp280 handle structure
[in]	oversampling	temperatue oversampling

Returns

status code

0 success
1 set temperatue oversampling failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 712 of file driver_bmp280.c.

◆ bmp280_soft_reset()

uint8_t bmp280_soft_reset ( bmp280_handle_t * handle )

soft reset

Parameters

[in] *handle pointer to a bmp280 handle structure

Returns

status code

0 success
1 soft reset failed
2 handle is NULL
3 handle is not initialized

Note: none

Definition at line 644 of file driver_bmp280.c.

Data Structures

Typedefs

Enumerations

Functions

Detailed Description

Typedef Documentation

◆ bmp280_handle_t

◆ bmp280_info_t

Enumeration Type Documentation

◆ bmp280_address_t

◆ bmp280_filter_t

◆ bmp280_interface_t

◆ bmp280_mode_t

◆ bmp280_oversampling_t

◆ bmp280_spi_wire_t

◆ bmp280_standby_time_t

◆ bmp280_status_t

Function Documentation

◆ bmp280_deinit()

◆ bmp280_get_addr_pin()

◆ bmp280_get_filter()

◆ bmp280_get_interface()

◆ bmp280_get_mode()

◆ bmp280_get_pressure_oversampling()

◆ bmp280_get_spi_wire()

◆ bmp280_get_standby_time()

◆ bmp280_get_status()

◆ bmp280_get_temperatue_oversampling()

◆ bmp280_info()

◆ bmp280_init()

◆ bmp280_read_pressure()

◆ bmp280_read_temperature()

◆ bmp280_read_temperature_pressure()

◆ bmp280_set_addr_pin()

◆ bmp280_set_filter()

◆ bmp280_set_interface()

◆ bmp280_set_mode()

◆ bmp280_set_pressure_oversampling()

◆ bmp280_set_spi_wire()

◆ bmp280_set_standby_time()

◆ bmp280_set_temperatue_oversampling()

◆ bmp280_soft_reset()