MAX31855 library
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Diff: MAX31855.h
- Revision:
- 0:5d56064bc4c3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAX31855.h Mon Feb 09 05:56:04 2015 +0000 @@ -0,0 +1,56 @@ + + +/* + * A library for MAX31855 + * + * Copyright (c) 2015 Seeed Technology Limited. + * Author : Yihui Xiong + * + * The MIT License (MIT) + * + * 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. + */ + +#ifndef __MAX31855_H__ +#define __MAX31855_H__ + +#include "mbed.h" + +class MAX31855 +{ + public: + typedef enum { + THERMOCOUPLE_T = 0, + INTERNAL_T = 1, + } temperature_type_t; + + public: + MAX31855(SPI& _spi, PinName _ncs); + float read(temperature_type_t type = THERMOCOUPLE_T); + + + private: + SPI& spi; + DigitalOut ncs; + float thermocoupleT; + float internalT; + uint32_t lastReadTime; +}; + +#endif // __MAX31855_H__