hi can can you guys convert this code to MicroC? i am learnin Micro C but i can not convert it with my mind pls teach me the way how to changeit…
#include <REG51.h>
#define display P3
#define KEYPAD P1
sbit doorclose = P1^7;
sbit correct = P3^5;
sbit wrong= P3^4;
sbit key = P3^7;
void DelayMs(unsigned int);
void save (unsigned char);
void compare (void);
unsigned char keypad[4][3]= { ‘1’, ‘2’, ‘3’,
‘4’, ‘5’, ‘6’,
‘7’, ‘8’, ‘9’,
‘*’, ‘0’, ‘#’};
unsigned char displayb[4][3]= { 1 , 2 , 3 ,
4 , 5 , 6 ,
7 , 8 , 9 ,
0, 0 , 0};
unsigned char code password[5]= “12345”;
unsigned char user[30]; //user is allowed to press 30 keys without entering
unsigned char q,a=0,z=0;
char t=1;
bit true;
char d;
void main(void)
{
unsigned char colloc,rowloc;
while(1)
{
do
{
KEYPAD=0xF0;
colloc=KEYPAD & 0xF0;
}
while(colloc ==0xF0); // if any key pressed
DelayMs(1); // some delay
do
{
colloc=KEYPAD;
colloc &=0xF0;
}while(colloc==0xF0); // to verify is really key pressed
KEYPAD=0xFE;
colloc=KEYPAD & 0xF0;
if(colloc !=0xF0)
{
rowloc=0;
goto next;
}
KEYPAD=0xFD;
colloc=KEYPAD & 0xF0;
if(colloc !=0xF0)
{
rowloc=1;
goto next;
}
KEYPAD=0xFB;
colloc=KEYPAD & 0xF0;
if(colloc !=0xF0)
{
rowloc=2;
goto next;
}
KEYPAD=0xF7;
colloc=KEYPAD & 0xF0;
rowloc=3;
goto next;
next:
if (colloc==0xE0)
{
key=0; // verifying that key is pressed
DelayMs(145);
key=1;
display=((display & 0xf0) | (displayb[rowloc][0])); // display to 7 seg
save(keypad[rowloc][0]);
}
else if(colloc==0xD0)
{
key=0; // verifying that key is pressed
DelayMs(145);
key=1;
display=((display & 0xf0) | (displayb[rowloc][1]));
save(keypad[rowloc][1]);
}
else if(colloc==0xb0)
{
key=0; // verifying that key is pressed
DelayMs(145);
key=1;
display=((display & 0xf0) | (displayb[rowloc][2]));
save(keypad[rowloc][2]);
}
DelayMs(100); // here this delay is important if this is less than 100ms then
// controller understand 1 key as press 2 or 3 times becoz that
//is fast as compaer o our pressing if u want to remove delay from here
// then increse the above 1ms to 100 ms
}
}
void save (unsigned char c)
{
if(c==’*’)
{
if(a!=0)
a–;
return;
}
if(a==5 && c==’#’)
{
a=0;
compare();
if(t==1)
{
if(true==1) // if match ok
{
DelayMs(800);
correct=0;
t=2;
for(d=0; d<7; d++) // on and after 10 sec off nw keypad can’t get data
DelayMs(1000); // max delay u can get is DelayMs(65535) otherwise need looping for big delay
correct=1;
z=0;
a=0; // start agian from 0 location of array
}
else if(true==0)
goto error;
}
else if(t==2)
{
DelayMs(800);
doorclose=0;
t=1;
for(d=0; d<5; d++)
DelayMs(1000);
doorclose=1;
}
}
else if((a>5 && c==’#’) || (a<5 && c==’#’))
{
error:
for(q=0; q<5; q++)
{
wrong=0;
DelayMs(420);
wrong=1;
DelayMs(420);
a=0;
}
z=z+1;
if(z==4)
{
for(q=0; q<10; q++)
{
wrong=0;
DelayMs(20000);
wrong=1;
z=0;
DelayMs(420);
}
}
a=0;
}
else
{
user[a]=c;
a++;
if(a==30) // if the user press 31 keys without entering it will automatically indicate an error
{
display=((display & 0xf0) | (displayb[3][1])); //brings a zero display on the seven segment
goto error; //redirect to error code
}
}
} //end of save
void compare (void)
{
unsigned char b;
for(b=0;b<5;b++)
{
if(user==password)
true=1;
else
{
true=0;
break;
}
}
}
//
// Delay mS function
//
void DelayMs(unsigned int count)
{ // mSec Delay 11.0592 Mhz
unsigned int i;
while(count) {
i = 115;
while(i>0) i–;
count–;
}
}