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123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
/*
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* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
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* Copyright (c) 2014 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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#pragma once
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#include <string>
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#include <mraa/i2c.h>
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#define DEVICE_ADDR 0x5A // device address
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// RAM
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#define MLX90614_RAWIR1 0x04
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#define MLX90614_RAWIR2 0x05
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#define MLX90614_TA 0x06
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#define MLX90614_TOBJ1 0x07
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#define MLX90614_TOBJ2 0x08
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// EEPROM
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#define MLX90614_TOMAX 0x20
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#define MLX90614_TOMIN 0x21
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#define MLX90614_PWMCTRL 0x22
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#define MLX90614_TARANGE 0x23
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#define MLX90614_EMISS 0x24
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#define MLX90614_CONFIG 0x25
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#define MLX90614_ADDR 0x0E
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#define MLX90614_ID1 0x3C
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#define MLX90614_ID2 0x3D
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#define MLX90614_ID3 0x3E
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#define MLX90614_ID4 0x3F
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#define HIGH 1
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#define LOW 0
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namespace upm {
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/**
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* @brief mlx90614 temperature sensor library
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* @defgroup mlx90614 libupm-mlx90614
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*/
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/**
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* @brief C++ API for MLX90614
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*
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* This file defines the MLX90614 C++ interface for libmlx90614
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*
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* @ingroup mlx90614 i2c
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* @snippet mlx90614.cxx Interesting
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*/
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class MLX90614 {
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public:
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/**
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* Instanciates a MLX90614 object
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*
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* @param bus number of used bus
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* @param devAddr addres of used i2c device
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*/
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MLX90614 (int bus=0, int devAddr=0x5A);
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/**
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* MLX90614 object destructor, basicaly it close i2c connection.
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*/
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~MLX90614 ();
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/**
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* Read object temperature in Fahrenheit
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*/
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float readObjectTempF(void);
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/**
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* Read ambient temperature in Fahrenheit
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*/
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float readAmbientTempF(void);
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/**
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* Read object temperature in Celsius
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*/
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float readObjectTempC(void);
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/**
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* Read ambient temperature in Celsius
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*/
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float readAmbientTempC(void);
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/**
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* Return name of the component
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*/
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std::string name()
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{
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return m_name;
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}
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private:
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std::string m_name;
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int m_i2cAddr;
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int m_bus;
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mraa_i2c_context m_i2Ctx;
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uint16_t i2cReadReg_N (int reg, unsigned int len, uint8_t * buffer);
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mraa_result_t i2cWriteReg_N (uint8_t reg, unsigned int len, uint8_t * buffer);
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float readTemperature (uint8_t address);
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};
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}
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