BMP Functions

Detailed Description

BMP driver and support functions.

DO_NOT_INCLUDE_WITH_DOXYGEN

Functions
uint32_t	BMP_config (BMP_Config *cfg)
	Configure the barometric pressure sensor. More...
void	BMP_deInit (void)
	De-initializes the barometric pressure module. More...
uint32_t	BMP_getPressure (float *pressure)
	Initiates pressure measurement on the barometric pressure sensor and reads pressure from it. More...
uint32_t	BMP_getTemperature (float *temperature)
	Initiates temperature measurement on the barometric pressure sensor and reads pressure from it. More...
uint32_t	BMP_init (uint8_t *deviceId)
	Initializes the barometric pressure sensor chip. More...

Function Documentation

uint32_t BMP_config

(

BMP_Config *

cfg

)

Configure the barometric pressure sensor.

Parameters

[in]

cfg

Structure, which holds the configuration parameters

Returns

Returns zero on OK, non-zero otherwise

Definition at line 140 of file bmp.c.

References bmp280_set_power_mode(), bmp280_set_standby_durn(), bmp280_set_work_mode(), __BMP_Config::oversampling, __BMP_Config::powerMode, and __BMP_Config::standbyTime.

void BMP_deInit

(

void

)

De-initializes the barometric pressure module.

Returns

None

Definition at line 124 of file bmp.c.

References bmp280_set_power_mode().

uint32_t BMP_getPressure

(

float *

pressure

)

Initiates pressure measurement on the barometric pressure sensor and reads pressure from it.

Parameters

[out]

pressure

The measured pressure in millibars

Returns

Returns zero on OK, non-zero otherwise

Definition at line 205 of file bmp.c.

References bmp280_compensate_pressure_int64(), bmp280_compensate_temperature_int32(), bmp280_get_forced_uncomp_pressure_temperature(), bmp280_read_uncomp_pressure(), bmp280_read_uncomp_temperature(), and BMP_OK.

uint32_t BMP_getTemperature

(

float *

temperature

)

Initiates temperature measurement on the barometric pressure sensor and reads pressure from it.

Parameters

[out]

temperature

The measured temperature in degrees Celsius

Returns

Returns zero on OK, non-zero otherwise

Definition at line 167 of file bmp.c.

References bmp280_compensate_temperature_int32(), bmp280_get_forced_uncomp_pressure_temperature(), bmp280_read_uncomp_temperature(), and BMP_OK.

uint32_t BMP_init

(

uint8_t *

deviceId

)

Initializes the barometric pressure sensor chip.

Parameters

[out]

deviceId

The device ID of the connected chip

Returns

Returns zero on OK, non-zero otherwise

Definition at line 68 of file bmp.c.

References bmp280_init(), bmp280_set_power_mode(), bmp280_set_work_mode(), BMP_DEVICE_ID_BMP280, BMP_ERROR_DEVICE_ID_MISMATCH, BMP_I2C_BUS_ADDRESS, BMP_OK, BMP_REG_ADDR_ID, BOARD_envSensEnable(), bmp280_t::delay_msec, bmp280_t::dev_addr, and UTIL_delay().