| /* |
| * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> |
| * Copyright (c) 2014 Intel Corporation. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #pragma once |
| |
| #include <string> |
| #include <mraa/i2c.hpp> |
| |
| #define DEVICE_ADDR 0x5A // device address |
| |
| // RAM |
| #define MLX90614_RAWIR1 0x04 |
| #define MLX90614_RAWIR2 0x05 |
| #define MLX90614_TA 0x06 |
| #define MLX90614_TOBJ1 0x07 |
| #define MLX90614_TOBJ2 0x08 |
| // EEPROM |
| #define MLX90614_TOMAX 0x20 |
| #define MLX90614_TOMIN 0x21 |
| #define MLX90614_PWMCTRL 0x22 |
| #define MLX90614_TARANGE 0x23 |
| #define MLX90614_EMISS 0x24 |
| #define MLX90614_CONFIG 0x25 |
| #define MLX90614_ADDR 0x0E |
| #define MLX90614_ID1 0x3C |
| #define MLX90614_ID2 0x3D |
| #define MLX90614_ID3 0x3E |
| #define MLX90614_ID4 0x3F |
| |
| #define HIGH 1 |
| #define LOW 0 |
| |
| namespace upm { |
| |
| /** |
| * @brief MLX90614 Temperature Sensor library |
| * @defgroup mlx90614 libupm-mlx90614 |
| * @ingroup generic i2c temperature |
| */ |
| /** |
| * @library mlx90614 |
| * @sensor mlx90614 |
| * @comname MLX90614 Temperature Sensor |
| * @type temperature |
| * @man generic |
| * @con i2c |
| * |
| * @brief API for the MLX90614 Temperature Sensor |
| * |
| * This module defines the MLX90614 interface for libmlx90614 |
| * |
| * @image html mlx90614.jpg |
| * @snippet mlx90614.cxx Interesting |
| */ |
| class MLX90614 { |
| public: |
| |
| /** |
| * Instantiates an MLX90614 object |
| * |
| * @param bus Number of the used bus |
| * @param devAddr Address of the used I2C device |
| */ |
| MLX90614 (int bus=0, int devAddr=0x5A); |
| |
| /** |
| * Reads the object temperature in Fahrenheit |
| */ |
| float readObjectTempF(void); |
| |
| /** |
| * Reads the ambient temperature in Fahrenheit |
| */ |
| float readAmbientTempF(void); |
| /** |
| * Reads the object temperature in Celsius |
| */ |
| float readObjectTempC(void); |
| |
| /** |
| * Reads the ambient temperature in Celsius |
| */ |
| float readAmbientTempC(void); |
| |
| /** |
| * Returns the name of the component |
| */ |
| std::string name() |
| { |
| return m_name; |
| } |
| private: |
| std::string m_name; |
| |
| int m_i2cAddr; |
| int m_bus; |
| mraa::I2c m_i2Ctx; |
| |
| uint16_t i2cReadReg_N (int reg, unsigned int len, uint8_t * buffer); |
| mraa::Result i2cWriteReg_N (uint8_t reg, unsigned int len, uint8_t * buffer); |
| float readTemperature (uint8_t address); |
| }; |
| |
| } |