MPS_Lab6_G2_Zad1

// keypad
char keypadPort at PORTD;

//  LCD
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;



void main() {

int repeatCounter = 0;
int ostatok = 0;
int counter = 0;
int cifra;
int broj;
char kp;
char text1[16];

ansel = 0x20;
anselh  = 0x00;
trise = 0x01;
trisb = 0x00;
Keypad_Init();
Lcd_Init();
delay_ms(200);
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Cmd(_LCD_CLEAR);ostatok = ADC_Read(5);
ostatok %= 100;
eeprom_write(0x00,ostatok);

 do{
   do{
    kp = 0;
    do{
     kp = Keypad_Key_Click();
    }while(!kp);
    switch (kp)
    {
      case 1: cifra = 1; break;
      case 2: cifra = 4; break;
      case 3: cifra = 7; break;
      case 4: cifra = 0; break;
      case 5: cifra = 2; break;
      case 6: cifra = 5; break;
      case 7: cifra = 8; break;
      case 8: cifra = 0; break; // cifrata 0
      case 9: cifra = 3; break;
      case 10: cifra = 6; break;
      case 11: cifra = 9; break;
      case 12: cifra = 0; break;
      case 13: cifra = 0; break;
      case 14: cifra = 0; break;
      case 15: cifra = 0; break;
      case 16: cifra = 0; break;
  }
   if(counter<1){
    broj = cifra * 10;
   }else{
    broj += cifra;
   }
   counter ++;
   }while(counter < 2);

   ostatok = eeprom_Read(0x00);
   if(ostatok == broj){
    LCD_CMD(_LCD_CLEAR);
    LCD_OUT(1,1,"Tocna shifra!");
    repeatCounter = 2;

   }else if(repeatCounter == 0){
    IntToStr(abs(ostatok - broj),text1);
    LCD_CMD(_LCD_CLEAR);
    LCD_OUT(1,1,text1);
    repeatCounter++;
   }else{
    LCD_CMD(_LCD_CLEAR);
    LCD_OUT(1,1,"Greshka");
    repeatCounter = 2;
   }
   counter = 0;
 }while(repeatCounter < 2);
}