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arduino-cli/libraries/Adafruit_BMP085_Soft/Adafruit_BMP085_Soft.h

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+/*************************************************** 
+  This is a library for the Adafruit BMP085/BMP180 Barometric Pressure + Temp sensor
+
+  Designed specifically to work with the Adafruit BMP085 or BMP180 Breakout 
+  ----> http://www.adafruit.com/products/391
+  ----> http://www.adafruit.com/products/1603
+
+  These displays use I2C to communicate, 2 pins are required to  
+  interface
+  Adafruit invests time and resources providing this open source code, 
+  please support Adafruit and open-source hardware by purchasing 
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.  
+  BSD license, all text above must be included in any redistribution
+ ****************************************************/
+
+#ifndef ADAFRUIT_BMP085_H
+#define ADAFRUIT_BMP085_H
+
+#if (ARDUINO >= 100)
+ #include "Arduino.h"
+#else
+ #include "WProgram.h"
+#endif
+#include <SoftwareWire.h>
+
+#define BMP085_DEBUG 0
+
+#define BMP085_I2CADDR 0x77
+
+#define BMP085_ULTRALOWPOWER 0
+#define BMP085_STANDARD      1
+#define BMP085_HIGHRES       2
+#define BMP085_ULTRAHIGHRES  3
+#define BMP085_CAL_AC1           0xAA  // R   Calibration data (16 bits)
+#define BMP085_CAL_AC2           0xAC  // R   Calibration data (16 bits)
+#define BMP085_CAL_AC3           0xAE  // R   Calibration data (16 bits)    
+#define BMP085_CAL_AC4           0xB0  // R   Calibration data (16 bits)
+#define BMP085_CAL_AC5           0xB2  // R   Calibration data (16 bits)
+#define BMP085_CAL_AC6           0xB4  // R   Calibration data (16 bits)
+#define BMP085_CAL_B1            0xB6  // R   Calibration data (16 bits)
+#define BMP085_CAL_B2            0xB8  // R   Calibration data (16 bits)
+#define BMP085_CAL_MB            0xBA  // R   Calibration data (16 bits)
+#define BMP085_CAL_MC            0xBC  // R   Calibration data (16 bits)
+#define BMP085_CAL_MD            0xBE  // R   Calibration data (16 bits)
+
+#define BMP085_CONTROL           0xF4 
+#define BMP085_TEMPDATA          0xF6
+#define BMP085_PRESSUREDATA      0xF6
+#define BMP085_READTEMPCMD          0x2E
+#define BMP085_READPRESSURECMD            0x34
+
+
+class Adafruit_BMP085_Soft {
+ public:
+  Adafruit_BMP085_Soft();
+  boolean begin(uint8_t mode, SoftwareWire *theWire);  // by default go highres
+  float readTemperature(void);
+  int32_t readPressure(void);
+  int32_t readSealevelPressure(float altitude_meters = 0);
+  float readAltitude(float sealevelPressure = 101325); // std atmosphere
+  uint16_t readRawTemperature(void);
+  uint32_t readRawPressure(void);
+  
+ private:
+  SoftwareWire *_wire;
+  int32_t computeB5(int32_t UT);
+  uint8_t read8(uint8_t addr);
+  uint16_t read16(uint8_t addr);
+  void write8(uint8_t addr, uint8_t data);
+
+  uint8_t oversampling;
+
+  int16_t ac1, ac2, ac3, b1, b2, mb, mc, md;
+  uint16_t ac4, ac5, ac6;
+};
+
+
+#endif //  ADAFRUIT_BMP085_H