Li Weiyi / Mbed 2 deprecated Io_moon

* AM2321的取温度间隔得大于2s，否则，i2c会不工作了 * SimpleTimer有个bug，会导致两次快速的读温度，现在读温度函数里加了保护 * Blynk有个bug，会导致无法把数据传到服务器 * 现在可以正常工作了

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BlynkUtility.h

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00001 /**
00002  * @file       BlynkUtility.h
00003  * @author     Volodymyr Shymanskyy
00004  * @license    This project is released under the MIT License (MIT)
00005  * @copyright  Copyright (c) 2015 Volodymyr Shymanskyy
00006  * @date       Jun 2015
00007  * @brief      Utility functions
00008  *
00009  */
00010 
00011 #ifndef BlynkUtility_h
00012 #define BlynkUtility_h
00013 
00014 template<class T>
00015 const T& BlynkMin(const T& a, const T& b)
00016 {
00017     return (b < a) ? b : a;
00018 }
00019 
00020 template<class T>
00021 const T& BlynkMax(const T& a, const T& b)
00022 {
00023     return (b < a) ? a : b;
00024 }
00025 
00026 template <unsigned WSIZE, typename T>
00027 void BlynkAverageSample (T& avg, const T& input) {
00028     avg -= avg/WSIZE;
00029     const T add = input/WSIZE;
00030     // Fix for shorter delays
00031     avg += (add > 0) ? add : -1;
00032 }
00033 
00034 #endif
00035
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