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A project that aims at making a LED based light system controlled by microcontroller and with BLE (soon) with smooth color transitions.
LEDManager.h
- Committer:
- ledonger
- Date:
- 2017-08-18
- Revision:
- 0:b350f8395bff
- Child:
- 2:0bbd4fc5e202
File content as of revision 0:b350f8395bff:
#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