lab6_mikro

#include <reg515.sfr>
#include <lcd.h>

float e1=0, e2=0, e3=0,y=0,y1=0;
int wartosc=40,wart;
float a=1.15,b=-1.25,c=0.12;
unsigned char znak = '\0';
    unsigned char memo= '\0';
    unsigned int ciag = 0;
    unsigned int flaga = 1;
    unsigned int ifEnter = 0;
    int f;

void main()
{
IEN0=0x88;
TMOD=160;
TR1=1;
T2CON=0x10;
T2I0=0x01;
CCEN=0x08;
CRCH=0xFF;
CRCL=0;
TH2=0xFF;
TL2=0;

CCH1=0xFF;
CLK=0x01;
P3=0xDF;
lcd_init();
out_instr(0x01);
out_char('4');
out_char('0');
while(1)
{
znak = get_kb();
    if(znak=='\0')
    memo=znak;
    if (memo!=znak) {
    if((znak >='0') && (znak<='9'))
        {
            if(flaga==1){
            out_instr(0x01);
            flaga=0;}
            out_char(znak);
            memo = znak;
            ciag = ciag*10 + ((int)znak -48);
            ifEnter = 0;
        }
          else if(znak == 'e' && ifEnter == 0) {
            flaga=1;
            memo = znak;
            f=ciag;
            wartosc=f;
            ciag = 0;
            ifEnter = 1;
        }
    }
}

_interrupt 3 void kom(void)
{
DAPR=8;
while(BSY!=0)
{
}
wart=ADDAT;
e1=wartosc-wart;
y=y1+a*e3+b*e2+c*e1;
e2=e1;
e3=e2;
y1=y;
if(y<0)
{y=0;}
if(y>255)
{y=255;}
CCL1=(int)y;
}