fuellfix-v2/src/common.cpp

#include <Arduino.h>

#include "config.h"
#include "config_pins.h"

unsigned long last_led_blink_time = 0;
unsigned long beep_stop_time = 0;

void async_beep(int time, int freq) {
    beep_stop_time = millis() + time;
    tone(BEEPER, freq);
}

void blocking_beep(int time, int freq, int repeat = 0) {
    for (int i = 0; i <= repeat; i++) {
        tone(BEEPER, freq);
        delay(time);
        noTone(BEEPER);

        if ((repeat > 0) && (i < repeat)) {
            delay(time);
        }
    }
}

void common_run(unsigned long t) {
    // stop async beep
    if ((beep_stop_time > 0)  && (t > beep_stop_time)) {
        noTone(BEEPER);
        beep_stop_time = 0;
    }

    // blink heartbeat LED
    if ((t - last_led_blink_time) >= LED_BLINK_INTERVAL) {
        last_led_blink_time = millis();
        digitalWrite(LED_PIN, !digitalRead(LED_PIN));
    }
}