File content as of revision 1:eddde0361c0a:

// V4.0

class BtnEventM0 {
    public:
        int16_t pressed;
        
        BtnEventM0(PinName pin) : _isr(pin)
            { pressed=0; }

        // Ist eine steigende Flanke aufgetreten ?
        int CheckFlag();
    
    // 1..Button is pressed  else 0
        int CheckButton()
            { return _isr.read(); }
        
        void Init();
            // { _isr.rise(this,&BtnEventM0::RisingISR); }

        void RisingISR();
        
    protected:
        InterruptIn _isr;
};

void BtnEventM0::Init()
            { _isr.rise(this,&BtnEventM0::RisingISR); }

void BtnEventM0::RisingISR()
{
    if( _isr.read() )
        pressed = 1;
}

int BtnEventM0::CheckFlag()
{
  if( pressed )
      { pressed=0; return 1; }
  return 0;
}





/*
class BtnEventM02 : public BtnEventM0
{
public:
    BtnEventM02(PinName pin) : BtnEventM0(pin) {
        _tm.stop();
        _tm.reset();
        _state=1;
    }

    void Init() {
        _isr.rise(this, &BtnEventM02::RisingISR);
    }

    void RisingISR() {
        if( !_isr.read() )
            return;
        pressed = 1;
        _tm.start();
        _state = 2;
    }

    void CheckButton() {
        if( _state==1 )
            return;
        if( _state==2 ) {
            if( !_isr.read() ) {
                _state = 1;
                return;
            }
            if( _tm.read_ms()>500 ) {
                _tm.reset();
                _state = 3;
                pressed = 1;
            }
        } else if( _state==3 ) {
            if( !_isr.read() ) {
                _state = 1;
                return;
            }
            if( _tm.read_ms()>100 ) {
                _tm.reset();
                _state = 3;
                pressed = 1;
            }
        }
    }
private:
    int16_t _state;
    Timer _tm;
};
*/

class AnalogInHL : public AnalogIn
{
public:
    AnalogInHL(PinName pin) : AnalogIn(pin) { }
    int Read() {
        return read_u16()>>6;
    }
};

class BtnEventM0S {
    public:
    BtnEventM0S(PinName pin) : _btn(pin) { }

    void Init() {}

        // Ist eine steigende Flanke aufgetreten ?
        int CheckFlag()
    {
      if( _btn )
        { wait_ms(100); return 1; }
      else
        return 0;
    }

  protected:
        DigitalIn _btn;
};