2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include <mraa/gpio.h>
37 * @brief C++ API for MAX31723 chip (Temperature sensor)
39 * This file defines the MAX31723 C++ interface for libmax31723
44 static const uint8_t R_STS_READ_CMD = 0x00;
45 static const uint8_t R_STS_WRITE_CMD = 0x80;
46 static const uint8_t R_TEMPERATURE_LSB = 0x01;
47 static const uint8_t R_TEMPERATURE_MSB = 0x02;
49 static const uint8_t B_CONT_READING = 0x00;
52 * Instanciates a MAX31723 object
54 * @param bus number of used bus
55 * @param devAddr addres of used i2c device
60 * MAXDS3231M object destructor, basicaly it close i2c connection.
65 * Get on board temperature.
67 short getTemperature ();
70 * Return name of the component
78 mraa_spi_context m_spi;
79 mraa_gpio_context m_csnPinCtx;
81 uint8_t readRegister (uint8_t reg);
82 void writeRegister (uint8_t reg, uint8_t data);
85 * Set chip select pin LOW
87 mraa_result_t CSOn ();
90 * Set chip select pin HIGH
92 mraa_result_t CSOff ();