control.c
#include <avr/io.h>
#include <avr/sfr_defs.h>
#include "control.h "

#define BTN0 PD0
#define BTN2 PD1
#define BTN1 PD2

control_result result = NO_PRESS;
	
uint8_t permissNextClick[3] = {1,1,1};


void ControlInit()
{
	DDRD &=(~((1<<BTN0)|(1<BTN1)|(1<<BTN2)));		//  input
	PORTD |= ((1<<BTN0)|(1<<BTN1)|(1<<BTN2));		// pull up
}

control_result ControlCheck()
{
	result = NO_PRESS;
	//first
	if(bit_is_clear(PIND, BTN0))
	{
		if(permissNextClick[0])
		{
			result = PRESS_LEFT;
			permissNextClick[0] = 0;
		}else
			result = PRESSED_LEFT;
	}else
	{
		permissNextClick[0] = 1;
	}
	//second
 	if(bit_is_clear(PIND, BTN1))
 	{
 		if(permissNextClick[1])
 		{
 			result = PRESS_CENTER;
 			permissNextClick[1] = 0;
 		}else
			result = PRESSED_CENTER;
 	}else
 	{
 		permissNextClick[1] = 1;
 	}
 	//third
 	if(bit_is_clear(PIND, BTN2))
 	{
 		if(permissNextClick[2])
 		{
 			result = PRESS_RIGHT;
 			permissNextClick[2] = 0;
 		}else
			result = PRESSED_RIGHT;
 	}else
 	{
 		permissNextClick[2] = 1;
 	}
		
	return result;
}

//control_result EncoderBtnCheck()
//{
	//static uint8_t permissNextClick = 1;
//
	//btnClick = NO_PRESS;
	//if(bit_is_clear(PIND,BTN))
	//{
		//if(permissNextClick)
		//{
			//btnClick = PRESS_CENTER;
			//permissNextClick = 0;
		//}
		//else
			//btnClick = NO_PRESS;
	//}
	//else 
	//{
		//btnClick = NO_PRESS;
		//permissNextClick = 1;
	//}
	//
	//return btnClick;
//}