From cf9a1f07ed519cadd58e38794616d0a9596be4ae Mon Sep 17 00:00:00 2001
From: EnricoGuccii <partyka.003@gmail.com>
Date: Sun, 11 May 2025 13:55:44 +0200
Subject: add buzzer

---
 lib/buzzer/buzzer.cpp | 37 +++++++++++++++++++++++++++++++++++++
 lib/buzzer/buzzer.h   | 14 ++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 lib/buzzer/buzzer.cpp
 create mode 100644 lib/buzzer/buzzer.h

(limited to 'lib/buzzer')

diff --git a/lib/buzzer/buzzer.cpp b/lib/buzzer/buzzer.cpp
new file mode 100644
index 0000000..a83ec22
--- /dev/null
+++ b/lib/buzzer/buzzer.cpp
@@ -0,0 +1,37 @@
+#include <Arduino.h>
+#include "settings.h"
+#include "buzzer.h"
+
+#define BUZZER_CHANNEL 3
+#define BUZZER_RESOLUTION 8
+
+BUZZER::BUZZER()
+{
+    ledcSetup(BUZZER_CHANNEL, 2000, BUZZER_RESOLUTION);
+    ledcAttachPin(BUZZER_PIN, BUZZER_CHANNEL);
+}
+
+void BUZZER::playTone(uint16_t frequency, uint32_t duration)
+{
+    ledcWriteTone(BUZZER_CHANNEL, frequency);
+    if (duration > 0)
+    {
+        delay(duration);
+        stop();
+    }
+}
+
+void BUZZER::playMelody(const uint16_t melody[][2], size_t length)
+{
+    
+    for (size_t i = 0; i < length; i++)
+    {
+        playTone(melody[i][0], melody[i][1]);
+        delay(50);
+    }
+}
+
+void BUZZER::stop()
+{
+    ledcWriteTone(BUZZER_CHANNEL, 0);
+}
\ No newline at end of file
diff --git a/lib/buzzer/buzzer.h b/lib/buzzer/buzzer.h
new file mode 100644
index 0000000..f71a90a
--- /dev/null
+++ b/lib/buzzer/buzzer.h
@@ -0,0 +1,14 @@
+#include <Arduino.h>
+#include "settings.h"
+
+#pragma once
+
+class BUZZER
+{
+public:
+    BUZZER();
+
+    void playTone(uint16_t frequency, uint32_t duration = 0);
+    void stop();
+    void playMelody(const uint16_t melody[][2], size_t length);
+};
-- 
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