A project that aims at making a LED based light system controlled by microcontroller and with BLE (soon) with smooth color transitions.
Diff: LEDManager.h
- Revision:
- 0:b350f8395bff
- Child:
- 2:0bbd4fc5e202
diff -r 000000000000 -r b350f8395bff LEDManager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LEDManager.h Fri Aug 18 08:39:43 2017 +0000 @@ -0,0 +1,90 @@ +#ifndef LEDMANAGER_H +#define LEDMANAGER_H + +#include "mbed.h" + +class LEDManager +{ + public: + LEDManager(PinName pin, int period_us) + { + this->io = new DigitalOut(pin); + this->period_us = period_us; + this->prevUpdate = 0; + this->highTime = this->period_us*0.5; + this->lowTime = this->period_us - this->highTime; + this->fadeFactor = 100; + this->situation = 1; + this->fadeUpdatePeriod = 10000; + } + + LEDManager(DigitalOut *io, int period_us) + { + this->io = io; + this->period_us = period_us; + this->prevUpdate = 0; + this->highTime = this->period_us*0.5; + this->lowTime = this->period_us - this->highTime; + this->fadeFactor = 100; + this->situation = 1; + this->fadeUpdatePeriod = 10000; + } + + void processLED(int time) + { + if(situation == 1){ + if((time - prevUpdate) < highTime){ + io->write(1); + } + else{ + situation = 2; + prevUpdate = time; + } + } + if(situation == 2){ + if((time - prevUpdate) < lowTime){ + io->write(0); + } + else{ + situation = 1; + prevUpdate = time; + } + } + + + if(time - prevFadeUpdate > fadeUpdatePeriod){ + highTime = highTime + fadeFactor; + lowTime = period_us - highTime; + if(highTime >= period_us){ + fadeFactor = -fadeFactor; + } + else if(highTime <= 0){ + fadeFactor = -fadeFactor; + } + prevFadeUpdate = time; + } + } + + /*void setFadeUpdatePeriod(int period) + { + this->fadeUpdatePeriod = period; + } + void setFadeFactor(int fadeFactor) + { + this->fadeFactor = fadeFactor; + }*/ + + private: + DigitalOut *io; + int period_us; + int prevUpdate; + int highTime; + int lowTime; + int situation; + + int prevFadeUpdate; + int fadeFactor; + int fadeUpdatePeriod; +}; + +#endif