Matthias Mitscherlich
157 lines
4.1 KiB
C++
157 lines
4.1 KiB
C++
// --------------------------------------------------------------------------------------------------------------------
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/// \file bme280.h
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/// \brief File description
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// --------------------------------------------------------------------------------------------------------------------
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//
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// vbchaos software design
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//
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// --------------------------------------------------------------------------------------------------------------------
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/// $Revision: $
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/// $Author: $
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/// $Date: $
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// (c) 2023 vbchaos
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// --------------------------------------------------------------------------------------------------------------------
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#ifndef MAIN_INC_BMP280_H_
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#define MAIN_INC_BMP280_H_
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/**
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* bme280 implementation
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* \defgroup bme280
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* \brief {group_description}
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* \addtogroup {Layer}
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*
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* Detailed description
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* @{
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*/
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// --------------------------------------------------------------------------------------------------------------------
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// Include files
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// --------------------------------------------------------------------------------------------------------------------
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// CompilerIncludes
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// All include files that are provided by the compiler directly
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// ProjectIncludes
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// All include files that are provided by the project
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#include "i2c.h"
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// --------------------------------------------------------------------------------------------------------------------
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// Constant and macro definitions
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// --------------------------------------------------------------------------------------------------------------------
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#define BMP280_DEVICE_ID ((uint8_t)0x58)
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#define BMP280_RESET_VALUE ((uint8_t)0xB6)
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// --------------------------------------------------------------------------------------------------------------------
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// Type definitions.
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// --------------------------------------------------------------------------------------------------------------------
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// --------------------------------------------------------------------------------------------------------------------
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// Function declarations
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// --------------------------------------------------------------------------------------------------------------------
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class BMP280
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{
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public:
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BMP280(I2C* bus, uint8_t slaveAddress);
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typedef enum
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{
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STANDBY = 0,
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FORCED = 1,
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NORMAL = 3
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} BMP280_Mode_t;
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typedef enum
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{
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SKIPPED = 0,
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X1 = 1,
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X2 = 2,
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X4 = 3,
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X8 = 4,
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X16 = 5
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} BMP280_Oversampling_t;
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void resetSensor(void);
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bool initialize(void);
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bool setSensorMode(BMP280_Mode_t mode);
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bool setSensorTemperatureOversampling(BMP280_Oversampling_t oversampling);
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private:
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struct CompensationParameters
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{
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// Temperature compensation parameters
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uint16_t dig_T1;
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int16_t dig_T2;
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int16_t dig_T3;
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// Pressure compensation parameters
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uint16_t dig_P1;
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int16_t dig_P2;
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int16_t dig_P3;
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int16_t dig_P4;
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int16_t dig_P5;
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int16_t dig_P6;
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int16_t dig_P7;
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int16_t dig_P8;
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int16_t dig_P9;
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} compensationParameters;
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struct memorymap
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{
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struct
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{
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uint8_t msb;
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uint8_t lsb;
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uint8_t xlsb;
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} temperature_raw;
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struct
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{
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uint8_t msb;
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uint8_t lsb;
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uint8_t xlsb;
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} pressure_raw;
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struct
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{
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uint8_t mode : 2;
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uint8_t oversampling_pressure : 3;
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uint8_t oversampling_temp : 3;
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} config;
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uint8_t ctrl_meas;
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uint8_t status;
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uint8_t reset;
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uint8_t id;
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} memorymap;
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int t_fine;
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int temperature;
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I2C* bus;
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uint8_t slaveAddress;
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BMP280_Mode_t mode;
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void resetDriver(void);
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// Communication with Device
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void resetDevice(void);
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void getDeviceID(void);
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void setSensorConfiguration(void);
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void getCompensationValues(void);
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void compensateTemperature(void);
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};
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/** @} */
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#endif /* MAIN_INC_BMP280_H_ */
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