WLED/wled00/src/dependencies/blynk/Blynk/BlynkUtility.h

65 wiersze
1.4 KiB
C++

/**
* @file BlynkUtility.h
* @author Volodymyr Shymanskyy
* @license This project is released under the MIT License (MIT)
* @copyright Copyright (c) 2015 Volodymyr Shymanskyy
* @date Jun 2015
* @brief Utility functions
*
*/
#ifndef BlynkUtility_h
#define BlynkUtility_h
template<class T>
const T& BlynkMin(const T& a, const T& b)
{
return (b < a) ? b : a;
}
template<class T>
const T& BlynkMax(const T& a, const T& b)
{
return (b < a) ? a : b;
}
template <class T>
T BlynkMathMap(T x, T in_min, T in_max, T out_min, T out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
template <class T>
T BlynkMathClamp(T val, T low, T high)
{
return (val < low) ? low : ((val > high) ? high : val);
}
template <unsigned WSIZE, typename T>
void BlynkAverageSample (T& avg, const T& input) {
avg -= avg/WSIZE;
const T add = input/WSIZE;
// Fix for shorter delays
if (add > 0)
avg += add;
else
avg -= 1;
}
class BlynkHelperAutoInc {
public:
BlynkHelperAutoInc(uint8_t& counter) : c(counter) { ++c; }
~BlynkHelperAutoInc() { --c; }
private:
uint8_t& c;
};
#define BlynkBitSet(value, bit) ((value) |= (1UL << (bit)))
#define BlynkBitClear(value, bit) ((value) &= ~(1UL << (bit)))
#define BlynkBitRead(value, bit) (((value) >> (bit)) & 0x01)
#define BlynkBitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
#endif