kopia lustrzana https://github.com/lightaprs/LightAPRS-W-1.0
80 wiersze
2.7 KiB
C++
Executable File
80 wiersze
2.7 KiB
C++
Executable File
/***************************************************
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This is a library for the Adafruit BMP085/BMP180 Barometric Pressure + Temp sensor
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Designed specifically to work with the Adafruit BMP085 or BMP180 Breakout
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----> http://www.adafruit.com/products/391
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----> http://www.adafruit.com/products/1603
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These displays use I2C to communicate, 2 pins are required to
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interface
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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BSD license, all text above must be included in any redistribution
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****************************************************/
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#ifndef ADAFRUIT_BMP085_H
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#define ADAFRUIT_BMP085_H
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#if (ARDUINO >= 100)
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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#include "Wire.h"
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#define BMP085_DEBUG 0
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#define BMP085_I2CADDR 0x77
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#define BMP085_ULTRALOWPOWER 0
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#define BMP085_STANDARD 1
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#define BMP085_HIGHRES 2
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#define BMP085_ULTRAHIGHRES 3
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#define BMP085_CAL_AC1 0xAA // R Calibration data (16 bits)
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#define BMP085_CAL_AC2 0xAC // R Calibration data (16 bits)
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#define BMP085_CAL_AC3 0xAE // R Calibration data (16 bits)
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#define BMP085_CAL_AC4 0xB0 // R Calibration data (16 bits)
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#define BMP085_CAL_AC5 0xB2 // R Calibration data (16 bits)
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#define BMP085_CAL_AC6 0xB4 // R Calibration data (16 bits)
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#define BMP085_CAL_B1 0xB6 // R Calibration data (16 bits)
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#define BMP085_CAL_B2 0xB8 // R Calibration data (16 bits)
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#define BMP085_CAL_MB 0xBA // R Calibration data (16 bits)
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#define BMP085_CAL_MC 0xBC // R Calibration data (16 bits)
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#define BMP085_CAL_MD 0xBE // R Calibration data (16 bits)
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#define BMP085_CONTROL 0xF4
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#define BMP085_TEMPDATA 0xF6
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#define BMP085_PRESSUREDATA 0xF6
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#define BMP085_READTEMPCMD 0x2E
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#define BMP085_READPRESSURECMD 0x34
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class Adafruit_BMP085 {
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public:
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Adafruit_BMP085();
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boolean begin(uint8_t mode = BMP085_ULTRAHIGHRES); // by default go highres
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float readTemperature(void);
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int32_t readPressure(void);
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int32_t readSealevelPressure(float altitude_meters = 0);
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float readAltitude(float sealevelPressure = 101325); // std atmosphere
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uint16_t readRawTemperature(void);
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uint32_t readRawPressure(void);
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private:
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int32_t computeB5(int32_t UT);
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uint8_t read8(uint8_t addr);
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uint16_t read16(uint8_t addr);
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void write8(uint8_t addr, uint8_t data);
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uint8_t oversampling;
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int16_t ac1, ac2, ac3, b1, b2, mb, mc, md;
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uint16_t ac4, ac5, ac6;
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};
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#endif // ADAFRUIT_BMP085_H
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