Projekcik

#include <ioavr.h>
#include <inavr.h>
#include "kb_drv.h"
#include "sys_event.h"
//#include "stdlib.h"
//#include "features.h"
//#include "time.h"


#define DV_50Hz 144
#define DV_1Hz  25
#define DV_96Hz 5

#define SYS_IDLE    0x00
#define TIME_UPDATE 0x01
#define KB_HIT      0x02


//Symbolic names for connecting 7-segment LED display
#define LED_SEG PORTE
#define LED_SEG_DIR DDRE
#define LED_DG PORTB
#define LED_DG_DIR DDRB
#define KB DDRA

//Decoding table based on CD4056 -> '0123456789LHPA- '
__flash unsigned char bcd_to_led[] = {
        0xDE, 0x82, 0xEC, 0xE6,
	0xB2, 0x76, 0x7E, 0xC2,
	0xFE, 0xF6, 0x1C, 0xBA,
	0xF8, 0xFA, 0x20, 0x00
};

//Global variables
unsigned char freq_dv, symb_ID;
unsigned int arr[20] = {1,3,2,4,3,2,1,3,4,2,2,1,3,2,3,4,1,2,3,2};
unsigned int diff;
unsigned int counter;
static unsigned char kb_dv = DV_96Hz;


void InitDevices()
{
    KB = 0;
    kbInit();
    LED_DG = 0xFE;
    LED_DG_DIR = 0xFF;
    LED_SEG_DIR = 0xFF;
    //Prescaler fclk / 1024 = 7200Hz
    //Prescaler for T0 is different than for T1,T2,T3
    OCR0 = DV_50Hz - 1;
    TCCR0 = (1 << CS02) | (1 << CS01) | (1 << CS00);
    TIMSK = (1 << OCIE0);
    __enable_interrupt();
}

#pragma vector = TIMER0_COMP_vect
__interrupt void T0_COMP_ISR()
{
//static -> global variabl, visible insied declaration scope (file, function)
static unsigned char freq_dv = DV_1Hz;
    if(--freq_dv) return;
    freq_dv = DV_1Hz;
	//Update to nexy symbol from bcd_to_led array
    symb_ID =  (symb_ID + 1) & 0x0F; // & 0x0F -> mod 16
    if(symb_ID > 9)
    {
      symb_ID = 0;
    }
    LED_SEG = bcd_to_led[symb_ID];



    if((--kb_dv) == 0)
    {
        kb_dv = DV_96Hz;
        kbService();
    }
}

//void generateArray()
//{
//  for( int i = 0; i < diff; i++)
//  {
//    arr[i] = (rand() % 4) + 1;
//  }
//}

void start()
{

}

void lose()
{

}

void gz()
{

}

void main()
{
    rq.ev = SYS_IDLE;
    symb_ID = -1;
    InitDevices();
    kb_rep = 0x0F;
    diff = 4;
    counter = 0;
    while(counter < diff)
    {
        if(rq.kb)
        {
            rq.kb = EVENT_PROCESSED;
            if(kb_reg & 0x01)
            {
              if(arr[counter] == 1)
              {
                counter++;
                continue;
              }
              else
                lose();
            }

            else if(kb_reg & 0x02)
            {
              if(arr[counter] == 2)
              {
                counter++;
                continue;
              }
              else
                lose();
            }

            else if(kb_reg & 0x04)
            {
              if(arr[counter] == 3)
              {
                counter++;
                continue;
              }
              else
                lose();
            }

            else if(kb_reg & 0x08)
            {
              if(arr[counter] == 4)
              {
                counter++;
                continue;
              }
              else
                lose();
            }

            else if(kb_reg & 0x10)
            {
              start();
            }
            //else if(kb_reg & 0x20);
            //else if(kb_reg & 0x40);
            else if(kb_reg & 0x80)
            {
              lose();
            }
            else

            //Remove notifications
            kb_reg = KB_IDLE;
        }
    }
    if (counter == diff)
    {
      gz();
    }
    else
      ;

}