BME280 - Mongoose OS Documentation

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BME280

Github Repo	C Header	C source	JS source
mongoose-os-libs/arduino-adafruit-bme280	Adafruit_BME280.h	api_arduino_bme280.js

readS16_LE

int16_t readS16_LE(byte reg); // little endian

little endian

JS API

Adafruit_BME280.createI2C

Adafruit_BME280.createI2C(i2caddr)

Create a BME280 instance on I2C bus with the given address i2caddr. Return value: an object with the methods described below.

Adafruit_BME280.createSPI

Adafruit_BME280.createSPI(cspin)

Create a BME280 instance on SPI bus with the given Chip Select pin cspin. Return value: an object with the methods described below.

Adafruit_BME280.createSPIFull

Adafruit_BME280.createSPIFull(cspin, mosipin, misopin, sckpin)

Create a BME280 instance on SPI bus with the given pins cspin, mosipin, misopin, sckpin. Return value: an object with the methods described below.

myBME.close

myBME.close()

Close Adafruit_BME280 instance; no methods can be called on this instance after that. Return value: none.

myBME.takeForcedMeasurement

myBME.takeForcedMeasurement()

Take a new measurement (only possible in forced mode).

myBME.readTemperature

myBME.readTemperature()

Return the temperature from the sensor in degrees C or Adafruit_BME280.RES_FAIL in case of a failure.

myBME.readPressure

myBME.readPressure()

Returns the pressure from the sensor in hPa or Adafruit_BME280.RES_FAIL in case of a failure.

myBME.readHumidity

myBME.readHumidity()

Returns the humidity from the sensor in %RH or Adafruit_BME280.RES_FAIL in case of a failure.

myBME.readAltitude

myBME.readAltitude(seaLevel)

Returns the altitude in meters calculated from the specified sea-level pressure seaLevel (in hPa) or Adafruit_BME280.RES_FAIL in case of a failure. http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf, P.16

myBME.seaLevelForAltitude

myBME.seaLevelForAltitude(alt, pres)

Returns the pressure at sea level in hPa calculated from the specified altitude alt (in meters), and atmospheric pressure pres (in hPa) or Adafruit_BME280.RES_FAIL in case of a failure. http://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf, P.17

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