led.cpp

class LED {
 private:
    gpio_num_t	_pin	= GPIO_NUM_0;
    gpio_mode_t	_mode	= GPIO_MODE_OUTPUT;
    int		_state	= 0;

 public:
    LED(gpio_num_t p);

    void set(int val);
    void on();
    void off();
    void toggle();
    void blink(int ondur, int offdir, int count);
};