BME280
Data Structures | |
| struct | bme280_calib_data |
Enumerations | |
| enum | { BME280_REGISTER_DIG_T1 = 0x88, BME280_REGISTER_DIG_T2 = 0x8A, BME280_REGISTER_DIG_T3 = 0x8C, BME280_REGISTER_DIG_P1 = 0x8E, BME280_REGISTER_DIG_P2 = 0x90, BME280_REGISTER_DIG_P3 = 0x92, BME280_REGISTER_DIG_P4 = 0x94, BME280_REGISTER_DIG_P5 = 0x96, BME280_REGISTER_DIG_P6 = 0x98, BME280_REGISTER_DIG_P7 = 0x9A, BME280_REGISTER_DIG_P8 = 0x9C, BME280_REGISTER_DIG_P9 = 0x9E, BME280_REGISTER_DIG_H1 = 0xA1, BME280_REGISTER_DIG_H2 = 0xE1, BME280_REGISTER_DIG_H3 = 0xE3, BME280_REGISTER_DIG_H4 = 0xE4, BME280_REGISTER_DIG_H5 = 0xE5, BME280_REGISTER_DIG_H6 = 0xE7, BME280_REGISTER_CHIPID = 0xD0, BME280_REGISTER_VERSION = 0xD1, BME280_REGISTER_SOFTRESET = 0xE0, BME280_REGISTER_CAL26 = 0xE1, BME280_REGISTER_CONTROLHUMID = 0xF2, BME280_REGISTER_CONTROL = 0xF4, BME280_REGISTER_CONFIG = 0xF5, BME280_REGISTER_PRESSUREDATA = 0xF7, BME280_REGISTER_TEMPDATA = 0xFA, BME280_REGISTER_HUMIDDATA = 0xFD } |
| BME280 Temperature, Humidty and Pressure Sensor. More... | |
Functions | |
| KSensorStatus | bme280_setup (void) |
| KSensorStatus | bme280_soft_reset (void) |
| float | bme280_read_temperature (void) |
| float | bme280_read_pressure (void) |
| float | bme280_read_humidity (void) |
| float | bme280_read_altitude (float sea_level) |
Variables | |
| uint16_t | bme280_calib_data::dig_T1 |
| int16_t | bme280_calib_data::dig_T2 |
| int16_t | bme280_calib_data::dig_T3 |
| uint16_t | bme280_calib_data::dig_P1 |
| int16_t | bme280_calib_data::dig_P2 |
| int16_t | bme280_calib_data::dig_P3 |
| int16_t | bme280_calib_data::dig_P4 |
| int16_t | bme280_calib_data::dig_P5 |
| int16_t | bme280_calib_data::dig_P6 |
| int16_t | bme280_calib_data::dig_P7 |
| int16_t | bme280_calib_data::dig_P8 |
| int16_t | bme280_calib_data::dig_P9 |
| uint8_t | bme280_calib_data::dig_H1 |
| int16_t | bme280_calib_data::dig_H2 |
| uint8_t | bme280_calib_data::dig_H3 |
| int16_t | bme280_calib_data::dig_H4 |
| int16_t | bme280_calib_data::dig_H5 |
| int8_t | bme280_calib_data::dig_H6 |
Enumeration Type Documentation
| anonymous enum |
BME280 Temperature, Humidty and Pressure Sensor.
register map for BME280 sensor
Function Documentation
| float bme280_read_altitude | ( | float | sea_level | ) |
converts pressure to absolute altitude in meters
| float bme280_read_humidity | ( | void | ) |
Sends humidity command and reads back humidity data
- Returns
- float relative humidity in percentage (0.0 - 100.0)
| float bme280_read_pressure | ( | void | ) |
Sends pressure command and reads back pressure data
- Returns
- float pressure reading in hPa (300.0 - 1100.0)
| float bme280_read_temperature | ( | void | ) |
Sends temperature command and reads back temperature data
- Returns
- float temperature in celsius (-40.0 to 85.0)
| KSensorStatus bme280_setup | ( | void | ) |
Setup the SPI interface for talking with the BME280 and init sensor
| KSensorStatus bme280_soft_reset | ( | void | ) |
Reset the bme280 to default conditions
Variable Documentation
| uint8_t bme280_calib_data::dig_H1 |
| int16_t bme280_calib_data::dig_H2 |
| uint8_t bme280_calib_data::dig_H3 |
| int16_t bme280_calib_data::dig_H4 |
| int16_t bme280_calib_data::dig_H5 |
| int8_t bme280_calib_data::dig_H6 |
| uint16_t bme280_calib_data::dig_P1 |
| int16_t bme280_calib_data::dig_P2 |
| int16_t bme280_calib_data::dig_P3 |
| int16_t bme280_calib_data::dig_P4 |
| int16_t bme280_calib_data::dig_P5 |
| int16_t bme280_calib_data::dig_P6 |
| int16_t bme280_calib_data::dig_P7 |
| int16_t bme280_calib_data::dig_P8 |
| int16_t bme280_calib_data::dig_P9 |
| uint16_t bme280_calib_data::dig_T1 |
| int16_t bme280_calib_data::dig_T2 |
| int16_t bme280_calib_data::dig_T3 |
