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111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/*
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* Author: Henry Bruce <henry.bruce@intel.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* 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
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <interfaces/iPressure.hpp>
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#include <interfaces/iTemperature.hpp>
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#include "mraa/i2c.hpp"
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namespace upm
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{
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#define MS5611_ADDRESS 0x76
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/**
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* @brief MS5611 Barometric Pressure Sensor
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* @defgroup ms5611 libupm-ms5611
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* @ingroup meas i2c temp pressure ipressuresensor itemperaturesensor
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*/
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/**
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* @library ms5611
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* @sensor ms5611
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* @comname Barometric Pressure and Temperature Sensor
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* @altname MS5611
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* @type temp pressure
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* @man meas
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* @con i2c
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* @web http://www.amsys.info/products/ms5611.htm
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* @if ipressuresensor itemperaturesensor
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*
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* @brief API for MS5611 Barometric Pressure Sensor library
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*
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* Measurement Specialties
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* [MS5611-01BA03](http://www.te.com/usa-en/product-CAT-BLPS0036.html)
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* The MS5611 is a new generation of high resolution altimeter sensors from
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* MEAS Switzerland with SPI and I2C bus interface. This module implements
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* I2C only.
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*
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* @snippet ms5611.cxx Interesting
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*/
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class MS5611 : virtual public iPressure, virtual public iTemperature
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{
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public:
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enum OsrMode
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{
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ULTRA_LOW_POWER, LOW_POWER, STANDARD, ULTRA_HIGH_RES, HIGH_RES
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};
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MS5611(int i2cBus = 0, int address = MS5611_ADDRESS);
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~MS5611();
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virtual const char* getModuleName() { return "ms5611"; }
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void setOverSampling(OsrMode osrMode);
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int getTemperatureCelsius();
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/**
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* Returns the temperature in degrees Celsius
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*
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* @return The Temperature in degrees Celsius
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*/
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virtual float getTemperature();
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int getPressurePa();
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/**
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* Return the current measured pressure in Pascals (Pa).
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*
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* @return The pressure in Pascals (Pa).
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*/
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virtual float getPressure();
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private:
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/* Disable implicit copy and assignment operators */
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MS5611(const MS5611&) = delete;
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MS5611 &operator=(const MS5611&) = delete;
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int promCrc4();
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uint32_t readADC(int adcReg);
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void delayms(int millisecs);
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uint32_t readRawPressure();
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uint32_t readRawTemperature();
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mraa::I2c* i2c;
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int address;
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uint16_t *prom;
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int osr;
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int samplePeriod;
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};
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}
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