DriverPWM.h

/****
 * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development.
 * Created 2015 by Skurydin Alexey
 * http://github.com/anakod/Sming
 * All files of the Sming Core are provided under the LGPL v3 license.
 ****/

#include "../Wiring/WiringFrameworkDependencies.h"
#include "../Wiring/WVector.h"

#define PWM_DEPTH 255 

#ifndef _SMING_CORE_PWM_H_
#define _SMING_CORE_PWM_H_

class ChannelPWM;

class DriverPWM
{
public:
    DriverPWM();

    void initialize();

    void analogWrite(uint8_t pin, int duty);

    void noAnalogWrite(uint8_t pin);

protected:
    static void IRAM_ATTR processingStatic(void *arg);

private:
    os_timer_t main;
    Vector<ChannelPWM> channels;
    uint32_t period;
    bool initialized;
};

class ChannelPWM
{
public:
    ChannelPWM();

    ChannelPWM(int DriverPWMPin);

    void initialize();

    void IRAM_ATTR high();

    void config(int duty, uint32_t basePeriod);

    __inline int id() { return pin; }

    void close();

protected:
    static void IRAM_ATTR processingStatic(void *arg);

private:
    os_timer_t item;
    int pin;
    uint32_t time;
};

// OOP style
extern DriverPWM EspPWM;

#endif /* _SMING_CORE_PWM_H_ */