Basic buzzer framework

txbuzzer.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "Arduino.h"
+
+#define PATTERN_CYCLE_OFF 127
+#define PATTERN_CYCLE_ON -1
+#define PATTERN_CYCLE_IGNORE -2
+
+#define PATTERN_MODES_NUMBER 6
+#define PATTERN_ELEMENT_NUMBER 4
+
+enum {
+    BUZZER_MODE_OFF = 0,
+    BUZZER_MODE_CONTINUOUS = 1,
+    BUZZER_MODE_SLOW_BEEP = 2,
+    BUZZER_MODE_FAST_BEEP = 3,
+    BUZZER_MODE_CHIRP = 4,
+    BUZZER_MODE_DOUBLE_CHIRP = 5
+};
+
+struct BuzzerState_t {
+    bool enabled = false;
+    uint8_t mode = BUZZER_MODE_OFF;
+    
+    uint32_t updateTime = 0;
+
+    uint8_t tick = 0;
+    uint8_t element = 0;
+    const uint8_t patternMaxTick = 20;
+    const uint8_t patternTickPerdiod = 75;
+
+    const int8_t pattern[PATTERN_MODES_NUMBER][PATTERN_ELEMENT_NUMBER] = {
+        {PATTERN_CYCLE_OFF},
+        {PATTERN_CYCLE_ON},
+        {0, 7, 10, 17},
+        {0, 4, 10, 14},
+        {0, 1, PATTERN_CYCLE_IGNORE, PATTERN_CYCLE_IGNORE},
+        {0, 1, 2, 3}
+    };
+
+};
+
+void buzzerProcess(uint8_t pin, uint32_t timestamp, BuzzerState_t *buzzer);