tổng hợp các dạng bài tập lập trình c

Lập Trình C
Led Đơn
Bài 1:

 Lập trình:
#include <bai1.h>
#include <def_877a.h>
void main()
{
trisb = 0x00; trisd = 0xff; portb=0xff;
int sang[9]={0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};
int tat[9]={0x00,0x01,0x03,0x07,0x0f,0x1f,0x3f,0x7f,0xff};
int a,b;
while(TRUE)
{
if(rd1==0)
{
loop1:


a=0;
while(a<5)
{
for(b=0;b<9;b++)
{
portb=sang[b]; delay_ms(10); if(rd0==0) goto loop2;
}
a++;
}
}
if(rd0==0)

{
loop2:
a=0;
while(a<10)
{
for(b=0;b<9;b++)
{
portb=tat[b]; delay_ms(10); if(rd1==0) goto loop1;
}
a++;
}
}
}
}
Bài 9:
 Lập Trình:
#include <bai9.h>
#include <def_877a.h>
void main()
{
trisb = 0x00; trisd = 0xff; portb=0xff;
int trongra[9]={0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};
int ngoaivao[9]={0xff,0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x00};
int a,b;
while(TRUE)
{
if(rd0==0)
{
loop1:
a=0;

while(a<10)


{
for(b=0;b<9;b++)
{
portb=trongra[b]; delay_ms(10); if(rd1==0) goto loop2;
}
a++;
}
}
if(rd1==0)
{
loop2:
a=0;
while(a<5)
{
for(b=0;b<9;b++)
{
portb=ngoaivao[b]; delay_ms(10); if(rd0==0) goto loop1;
}
a++;
}
}
}
}


Led 7 thanh
Bài 3:

 Lập trình:
#include <bai3.h>
#include <def_877a.h>
void main()
{
trisb = 0x00; trisd = 0xff; trisc=0x00; portb=0x00;
int8 bm[10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
int a=0;
while(TRUE)
{
if(rd0==0) if(a<9){ a++; delay_ms(5);}
if(rd1==0) if(a>0){ a--; delay_ms(5);}
portc=0x00; portb=bm[a]; portc=0x08; delay_ms(5);
}
}


Bài 5:
 Lập trình:
#include <bai5.h>
#include <def_877a.h>
void main()
{
trisb = 0x00; trisd = 0xff; trisc=0x00; portb=0x00;
int8 bm[10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
int a=0,b=0,i;
while(TRUE)
{
loop:

portc=0x00;
if(rd0==0)
{
for(b=0;b<10;b++)
{
for(a=0;a<10;a++)
{
i=0;
while(i<100)
{


if(rd0==1) goto loop;
portc=0x00; portb=bm[a]; portc=0x08; delay_ms(5);
portc=0x00; portb=bm[b]; portc=0x04; delay_ms(5);
i++;
}
}
}
}
}
}
Bài 7:
 Lập trình:
#include <bai7.h>
#include <def_877a.h>
void main()
{
trisb = 0x00; trisd = 0xff; trisc=0x00; portb=0x00;
int8 bm[11] =

{0x3f,0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
int a=0,b=0,i;
while(TRUE)
{
loop:
portc=0x00;
if(rd0==0)
{
for(b=10;b>0;b--)
{
for(a=10;a>0;a--)
{
i=0;
while(i<100)
{
if(rd0==1) goto loop;
portc=0x00; portb=bm[a]; portc=0x08; delay_ms(5);
portc=0x00; portb=bm[b]; portc=0x04; delay_ms(5);
i++;
}
}
}
}
}


}

Bài 10:
 Lập trình:

#include <bai10.h>
#include <def_877a.h>
void main()
{
trisb = 0x00; trisd = 0xff; trisc=0x00; portb=0x00;
while(TRUE)
{
if(rd0==0)
{
while(true)
{
portc=0x00; portb=0x7f; portc=0x08; delay_ms(5);
portc=0x00; portb=0x06; portc=0x04; delay_ms(5);
portc=0x00; portb=0x3f; portc=0x02; delay_ms(5);
portc=0x00; portb=0x5b; portc=0x01; delay_ms(5);
}
}
}
}


Ma Trận Phím 3x3

Bài 2:
 Lập trình:
#include <bai2.h>
#include <def_877a.h>
void main()
{
trisb = 0x07; trisc=0x00; portc=0x00;

int8 bm[9] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f};
while(TRUE)
{
portb=0xf7;
if(rb0==0) portc=bm[0];
if(rb1==0) portc=bm[1];
if(rb2==0) portc=bm[2];
portb=0xef;
if(rb0==0) portc=bm[3];
if(rb1==0) portc=bm[4];
if(rb2==0) portc=bm[5];
portb=0xdf;
if(rb0==0) portc=bm[6];
if(rb1==0) portc=bm[7];


if(rb2==0) portc=bm[8];
}
}
Bài 4:
 Lập trình
#include <bai4.h>
#include <def_877a.h>
void main()
{
trisb = 0x07; trisc=0x00; portc=0x00;
int8 bm[9] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f};
while(TRUE)
{
portb=0xf7;

if(rb0==0) portc=bm[0];
if(rb1==0) portc=bm[3];
if(rb2==0) portc=bm[6];
portb=0xef;
if(rb0==0) portc=bm[1];
if(rb1==0) portc=bm[4];
if(rb2==0) portc=bm[7];
portb=0xdf;
if(rb0==0) portc=bm[2];
if(rb1==0) portc=bm[5];
if(rb2==0) portc=bm[8];
}
}
Động Cơ Bước


Bài 6:
 Lập trình:
#include <bai6.h>
#include <def_877a.h>
void main()
{
trisb=0xff; trisd=0x00;
int mastep[8]={0x09,0x08,0x0c,0x09,0x06,0x02,0x03,0x01};
int a,b,c;
while(TRUE)
{
loop:
if(rb0==0)
{

for(a=0;a<10;a++)
{
for(b=0;a<50;b++)
{
for(c=0;c<8;c++)
{
portd=mastep[c]; delay_ms(30);
if(rb1==0) goto loop;
}
}


}
}
}
}
Bài 8:
 Lập trình:
#include <bai8.h>
#include <def_877a.h>
void main()
{
trisb=0xff; trisd=0x00;
int mastep[9]={0x09,0x09,0x08,0x0c,0x09,0x06,0x02,0x03,0x01};
int a;
while(TRUE)
{
if(rb0==0)
{
loop1:

for(a=8;a>0;a--)
{
portd=mastep[a]; delay_ms(30);
if(rb1==0) goto loop2;
}
}
if(rb1==0)
{
loop2:
for(a=1;a<9;a++)
{
portd=mastep[a]; delay_ms(30);
if(rb0==0) goto loop1;
}
}
}
}