inital commit

buttons.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <avr/io.h>
+#include "writepin.h"
+
+class Buttons 
+{
+	public:
+		
+	static constexpr uint8_t PRESSED = 0;
+	static constexpr uint8_t LONG_PRESSED = 1;
+	static constexpr uint8_t RELEASED     = 2;
+		
+	private:
+	volatile uint8_t * const pinReg = &PIND;
+	static constexpr uint8_t button[] = { PD5, PD6 };
+	static constexpr uint8_t buttonsAmount = sizeof(button);
+	uint8_t buttonCount[buttonsAmount] = {};
+	
+	void* _userData;
+	void (*_eventHandler)(uint8_t index, uint8_t type, void* data);
+	
+	public:
+	Buttons(void (*eventHandler)(uint8_t index, uint8_t type, void* data), void* userData = nullptr): _userData(userData), _eventHandler(eventHandler){}
+	void tick();
+};
+
+void Buttons::tick()
+{
+	for(uint8_t i = 0; i < buttonsAmount; ++i)
+	{
+		if(readPin(pinReg, button[i]) == true)
+		{
+			if(buttonCount[i] > 2) _eventHandler(i, RELEASED, _userData);
+			buttonCount[i] = 0;
+		}
+		else 
+		{
+			if(buttonCount[i] == 3)   _eventHandler(i, PRESSED, _userData);
+			else if(buttonCount[i] == 100) _eventHandler(i, LONG_PRESSED, _userData);
+			++buttonCount[i];
+		}
+	}
+}