buzzer/src/main.cpp

#include <Arduino.h>
#include <Adafruit_SSD1306.h>
#include <ESPAsyncWebServer.h>
#include <Audio.h>
#include <Preferences.h>

#include "setup.h"
#include "utils.h"
#include "config.h"

byte buttonLastState = HIGH;

void setup()
{
  // Setup GPIO
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
  pinMode(BUTTON, INPUT_PULLUP);
  buttonLastState = digitalRead(BUTTON);

  Serial.begin(115200);
  Serial.println("Serial... OK");

  preferences.begin("buzzer", false);
  Serial.println("Preferences... OK");

  setupScreen();
  setupSPIFFS();
  setupSDCard();
  setupAudio();
  selectDefaultFile();
  setupWifi();
  setupWebServer();
  diagnosticPrintln("Configuration OK!");

  displayWifiCreds();
  displaySelectedFile();

  // Setup is done, light up the LED
  Serial.println("All setup & ready to go!");
  digitalWrite(LED, HIGH);
}

void loop()
{
  byte buttonCurrentState = digitalRead(BUTTON);
  if (buttonCurrentState == LOW && buttonLastState == HIGH)
    play();
  buttonLastState = buttonCurrentState;
  audio.loop();
}