2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
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13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
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28 #include <mraa/gpio.h>
37 * @brief C++ API for MAX31723 chip (Temperature sensor)
39 * The Maxim Integrated
40 * [MAX31723](http://datasheets.maximintegrated.com/en/ds/MAX31722-MAX31723.pdf)
41 * is a Low-Voltage 3-Wire/SPI Temperature Sensor controller. This module was
42 * tested on the Maxim Integrated [MAX31732PMB1 PMOD
43 * module](http://datasheets.maximintegrated.com/en/ds/MAX31723PMB1.pdf) from
44 * the analog PMOD kit.
46 * @image html max31723.jpeg
51 static const uint8_t R_STS_READ_CMD = 0x00;
52 static const uint8_t R_STS_WRITE_CMD = 0x80;
53 static const uint8_t R_TEMPERATURE_LSB = 0x01;
54 static const uint8_t R_TEMPERATURE_MSB = 0x02;
56 static const uint8_t B_CONT_READING = 0x00;
59 * Instanciates a MAX31723 object
61 * @param bus number of used bus
62 * @param devAddr addres of used i2c device
67 * MAXDS3231M object destructor, basicaly it close i2c connection.
72 * Get on board temperature.
74 short getTemperature ();
77 * Return name of the component
85 mraa_spi_context m_spi;
86 mraa_gpio_context m_csnPinCtx;
88 uint8_t readRegister (uint8_t reg);
89 void writeRegister (uint8_t reg, uint8_t data);
92 * Set chip select pin LOW
94 mraa_result_t CSOn ();
97 * Set chip select pin HIGH
99 mraa_result_t CSOff ();