EFM32 Happy Gecko Software Documentation
efm32hg-doc-5.1.2
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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... | |
uint32_t BMP_config | ( | BMP_Config * | cfg | ) |
Configure the barometric pressure sensor.
[in] | cfg | Structure, which holds the configuration parameters |
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.
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.
[out] | pressure | The measured pressure in millibars |
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.
[out] | temperature | The measured temperature in degrees Celsius |
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.
[out] | deviceId | The device ID of the connected chip |
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().