MAX31855 library
MAX31855.h@0:5d56064bc4c3, 2015-02-09 (annotated)
- Committer:
- yihui
- Date:
- Mon Feb 09 05:56:04 2015 +0000
- Revision:
- 0:5d56064bc4c3
initial
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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yihui | 0:5d56064bc4c3 | 1 | |
yihui | 0:5d56064bc4c3 | 2 | |
yihui | 0:5d56064bc4c3 | 3 | /* |
yihui | 0:5d56064bc4c3 | 4 | * A library for MAX31855 |
yihui | 0:5d56064bc4c3 | 5 | * |
yihui | 0:5d56064bc4c3 | 6 | * Copyright (c) 2015 Seeed Technology Limited. |
yihui | 0:5d56064bc4c3 | 7 | * Author : Yihui Xiong |
yihui | 0:5d56064bc4c3 | 8 | * |
yihui | 0:5d56064bc4c3 | 9 | * The MIT License (MIT) |
yihui | 0:5d56064bc4c3 | 10 | * |
yihui | 0:5d56064bc4c3 | 11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
yihui | 0:5d56064bc4c3 | 12 | * of this software and associated documentation files (the "Software"), to deal |
yihui | 0:5d56064bc4c3 | 13 | * in the Software without restriction, including without limitation the rights |
yihui | 0:5d56064bc4c3 | 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
yihui | 0:5d56064bc4c3 | 15 | * copies of the Software, and to permit persons to whom the Software is |
yihui | 0:5d56064bc4c3 | 16 | * furnished to do so, subject to the following conditions: |
yihui | 0:5d56064bc4c3 | 17 | * |
yihui | 0:5d56064bc4c3 | 18 | * The above copyright notice and this permission notice shall be included in |
yihui | 0:5d56064bc4c3 | 19 | * all copies or substantial portions of the Software. |
yihui | 0:5d56064bc4c3 | 20 | * |
yihui | 0:5d56064bc4c3 | 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
yihui | 0:5d56064bc4c3 | 22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
yihui | 0:5d56064bc4c3 | 23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
yihui | 0:5d56064bc4c3 | 24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
yihui | 0:5d56064bc4c3 | 25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
yihui | 0:5d56064bc4c3 | 26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
yihui | 0:5d56064bc4c3 | 27 | * THE SOFTWARE. |
yihui | 0:5d56064bc4c3 | 28 | */ |
yihui | 0:5d56064bc4c3 | 29 | |
yihui | 0:5d56064bc4c3 | 30 | #ifndef __MAX31855_H__ |
yihui | 0:5d56064bc4c3 | 31 | #define __MAX31855_H__ |
yihui | 0:5d56064bc4c3 | 32 | |
yihui | 0:5d56064bc4c3 | 33 | #include "mbed.h" |
yihui | 0:5d56064bc4c3 | 34 | |
yihui | 0:5d56064bc4c3 | 35 | class MAX31855 |
yihui | 0:5d56064bc4c3 | 36 | { |
yihui | 0:5d56064bc4c3 | 37 | public: |
yihui | 0:5d56064bc4c3 | 38 | typedef enum { |
yihui | 0:5d56064bc4c3 | 39 | THERMOCOUPLE_T = 0, |
yihui | 0:5d56064bc4c3 | 40 | INTERNAL_T = 1, |
yihui | 0:5d56064bc4c3 | 41 | } temperature_type_t; |
yihui | 0:5d56064bc4c3 | 42 | |
yihui | 0:5d56064bc4c3 | 43 | public: |
yihui | 0:5d56064bc4c3 | 44 | MAX31855(SPI& _spi, PinName _ncs); |
yihui | 0:5d56064bc4c3 | 45 | float read(temperature_type_t type = THERMOCOUPLE_T); |
yihui | 0:5d56064bc4c3 | 46 | |
yihui | 0:5d56064bc4c3 | 47 | |
yihui | 0:5d56064bc4c3 | 48 | private: |
yihui | 0:5d56064bc4c3 | 49 | SPI& spi; |
yihui | 0:5d56064bc4c3 | 50 | DigitalOut ncs; |
yihui | 0:5d56064bc4c3 | 51 | float thermocoupleT; |
yihui | 0:5d56064bc4c3 | 52 | float internalT; |
yihui | 0:5d56064bc4c3 | 53 | uint32_t lastReadTime; |
yihui | 0:5d56064bc4c3 | 54 | }; |
yihui | 0:5d56064bc4c3 | 55 | |
yihui | 0:5d56064bc4c3 | 56 | #endif // __MAX31855_H__ |