BMP280

• 中文版

DFRobot's Temperature, Pressure and Approx altitude.

Product Link（https://www.dfrobot.com/product-2140.html）

SKU: SEN0372

• Summary
• Installation
• Methods
• Compatibility
• History
• Credits

Summary

Provides an Arduino library for reading and interpreting Bosch BMP280 data over I2C.
Used to read current temperature, air pressure and calculate altitude.

Installation

To use this library download the zip file, uncompress it to a folder named DFRobot_BMP280. Download the zip file first to use this library and uncompress it to a folder named DFRobot_BMP280.

Methods

  /**
   * @fn begin
   * @brief begin Sensor begin
   * @return Enum of eStatus_t
   */
  eStatus_t begin();

  /**
   * @fn getTemperature
   * @brief getTemperature Get temperature
   * @return Temprature in Celsius
   */
  float  getTemperature();

  /**
   * @fn getPressure
   * @brief getPressure Get pressure
   * @return Pressure in pa
   */
  uint32_t getPressure();

  /**
   * @fn calAltitude
   * @brief calAltitude Calculate altitude
   * @param seaLevelPressure Sea level pressure
   * @param pressure Pressure in pa
   * @return Altitude in meter
   */
  float calAltitude(float seaLevelPressure, uint32_t pressure);

  /**
   * @fn reset
   * @brief reset Reset sensor
   */
  void reset();

  /**
   * @fn setCtrlMeasMode
   * @brief setCtrlMeasMode Set control measure mode
   * @param eMode One enum of eCtrlMeasMode_t
   */
  void setCtrlMeasMode(eCtrlMeasMode_t eMode);

  /**
   * @fn setCtrlMeasSamplingTemp
   * @brief setCtrlMeasSamplingTemp Set control measure temperature oversampling
   * @param eSampling One enum of eSampling_t
   */
  void setCtrlMeasSamplingTemp(eSampling_t eSampling);

  /**
   * @fn setCtrlMeasSamplingPress
   * @brief setCtrlMeasSamplingPress Set control measure pressure oversampling
   * @param eSampling One enum of eSampling_t
   */
  void setCtrlMeasSamplingPress(eSampling_t eSampling);

  /**
   * @fn setConfigFilter
   * @brief setConfigFilter Set config filter
   * @param eFilter One enum of eConfigFilter_t
   */
  void setConfigFilter(eConfigFilter_t eFilter);

  /**
   * @fn setConfigTStandby
   * @brief setConfigTStandby Set config standby time
   * @param eT One enum of eConfigTStandby_t
   */
  void setConfigTStandby(eConfigTStandby_t eT);

  /**
   * @fn DFRobot_BMP280_IIC
   * @brief DFRobot_BMP280_IIC
   * @param pWire Which TwoWire peripheral to operate
   * @param eSdo Pin sdo status
   * @n     eSdoLow,
   * @n eSdoHigh
   */
  DFRobot_BMP280_IIC(TwoWire *pWire, eSdo_t eSdo);

Compatibility

History

• 2018/11/31 - Version 1.0.0 released.
• 2019/03/12 - Version 1.0.1 released.

Credits

Written by Frank(jiehan.guo@dfrobot.com), 2018. (Welcome to our website)