89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
////////////////////////////////////////////////////////////////////////////
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//
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// This file is part of RTIMULib-Arduino
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//
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// Copyright (c) 2014-2015, richards-tech
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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// Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef _RTPRESSUREBMP180_H_
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#define _RTPRESSUREBMP180_H_
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#include "RTPressure.h"
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// State definitions
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#define BMP180_STATE_IDLE 0
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#define BMP180_STATE_TEMPERATURE 1
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#define BMP180_STATE_PRESSURE 2
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// Conversion reg defs
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#define BMP180_SCO_TEMPCONV 0x2e // temperature conversion
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#define BMP180_SCO_PRESSURECONV_ULP 0 // ultra low power pressure conversion
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#define BMP180_SCO_PRESSURECONV_STD 1 // standard pressure conversion
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#define BMP180_SCO_PRESSURECONV_HR 2 // high res pressure conversion
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#define BMP180_SCO_PRESSURECONV_UHR 3 // ultra high res pressure conversion
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class RTIMUSettings;
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class RTPressureBMP180 : public RTPressure
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{
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public:
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RTPressureBMP180(RTIMUSettings *settings);
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~RTPressureBMP180();
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virtual const char *pressureName() { return "BMP180"; }
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virtual int pressureType() { return RTPRESSURE_TYPE_BMP180; }
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virtual bool pressureInit();
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virtual bool pressureRead(float &latestPressure, float &latestTemperature);
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private:
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void pressureBackground();
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void setTestData();
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unsigned char m_pressureAddr; // I2C address
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RTFLOAT m_pressure; // the current pressure
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RTFLOAT m_temperature; // the current temperature
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// This is the calibration data read from the sensor
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int16_t m_AC1;
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int16_t m_AC2;
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int16_t m_AC3;
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uint16_t m_AC4;
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uint16_t m_AC5;
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uint16_t m_AC6;
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int16_t m_B1;
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int16_t m_B2;
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int16_t m_MB;
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int16_t m_MC;
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int16_t m_MD;
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int m_state;
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int m_oss;
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int32_t m_rawPressure;
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int32_t m_rawTemperature;
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bool m_validReadings;
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};
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#endif // _RTPRESSUREBMP180_H_
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