Tweet
#include<16f877a.h>
//#device ADC = 10
#fuses HS,NOLVP,NOWDT,PUT
#USE delay(clock = 12000000)//define crystal = 12MHZ
// #use rs232(baud = 9600,xmit = PIN_C6,rcv=pin_c7)//
// uses rs232 baud - rate 19200,TX PIN = RC6,RX PIN = RC7
byte const map[10]={0xc0,0xf9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
void main()
{
int8 i,k,j;
i=0;
k=0;
j=0;
set_tris_d(0xff); //khai bao port nhap
set_tris_b(0x00); //khai bao port xuat
set_tris_a(0x00);
set_tris_c(0x00);
output_a(0x00);
output_c(0xff);
WHILE (TRUE) //KIEM TRA DKIEN DUNG THI THUC HIEN LENH PHIA DUOI ROI KT TIEP
{ //VI DIEU KIEN LUON LUON DUNG NEN TAO THANH VONG TUAN HOAN
loop:
i=read_eeprom (0x00)&(0x0f);
k=read_eeprom (0x01)&(0x0f);
j=read_eeprom (0x02)&(0x0f);
output_b(map[i]);
output_low(pin_c0); //doan chuong trinh quet 3 led
delay_us(600);
output_b(map[k]);
output_high(pin_c0);
output_low(pin_c1);
delay_us(600);
output_b(map[j]);
output_high(pin_c1);
output_low(pin_c2);
delay_us(600);
output_high(pin_c2);
if (input(pin_d0)) //neu d0 = 1 thuc hien lenh phia duoi
goto loop;
else
i = i+1;
output_a(i);
//----------------------------
if (i==10) //neu i =10 thuc hien khoi lenh nguoc lai xet tiep dk
{
i = 0;
k=k+1;
}
if (k==10) //neu k = 10 thuc hien khoi lenh
{
k=0;
j=j+1;
}
if (j==10)
{j=0;
}
delay_ms(200);
write_eeprom(0x00,i);
write_eeprom(0x01,k);
write_eeprom(0x02,j);
}
}
Tìm hiểu thêm về leminhthang
Comment