Method update

examples/Fx/FxNoiseRing/simple_timer.h:42–52

* @brief Update the timer state based on current time * * Checks if the timer is still running based on the current time. * If the specified duration has elapsed, the timer will stop. * * @param now Current time in milliseconds (typically from millis()) * @return true if the timer is still running, false if stopped or elapsed */

     * @return true if the timer is still running, false if stopped or elapsed
     */
    bool update(uint32_t now) {
        if (!running) {
            return false;
        }
        uint32_t elapsed = now - start_time;
        if (elapsed > duration) {
            running = false;
            return false;
        }
        return true;
    }

  private:
    uint32_t start_time;  // When the timer was started (in milliseconds)