trunghieu266
26-11-2012, 01:08 AM
các bác xem dùm cái code trên sửa thế nào: mình định hạn chế số người đi vào trên 100 thì sẽ không đếm nữa mà khi chạy mô phỏng và chạy ra mạch thật đều ko được, nó đếm hẳn lên mấy ngàn @@:
#include<16f877a.h>
#Fuses HS,NOLVP,NOPUT,NOWDT
#use delay(clock=12000000)
#use fast_io(b)
#use fast_io(d)
#byte RB = 0x06
#bit RB7 = RB.7
#byte RD = 0x08
#bit G = RD.3
int8 maled[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x9 0};
int8 maG[10]={1,1,0,0,0,0,0,1,0,0};
signed int16 i, tram, nghin, chuc,donvi,n=0;
int1 s1=0,s2=0;
#INT_EXT
void demtien()
{
s1=1;
if(s2==1)
{
i++;
if(i==100) i=100;// đoạn này đây ạ!
s1=0;
s2=0;
disable_interrupts(INT_TIMER0);
}
else
{
enable_interrupts(INT_TIMER0);
set_timer0(0);
n=0;
}
}
#INT_RB
void ngat()
{
if(RB7==0)
{
s2=1;
if(s1==1)
{
i--;
if(i<0) i=0;
s1=s2=0;
disable_interrupts(INT_TIMER0);
}
else
{
enable_interrupts(INT_TIMER0);
set_timer0(0);
n=0;
}
disable_interrupts(INT_RB);
}
}
#INT_TIMER0
void ngat_timer0()
{
n++;
if(n==220)
{
n=0;
if(((s1==1)&&(s2==0))||((s1==0)&&(s2==1)))
s1=s2=0;
disable_interrupts(INT_TIMER0);
}
set_timer0(0);
}
void hienthi(int16 a)
{
nghin = a/1000;
tram = (a%1000)/100;
chuc = ((a%1000)%100)/10;
donvi = ((a%1000)%100)%10;
//===================
output_high(PIN_D4);
output_b((maled[nghin]<<1)|0x81);G=maG[nghin];
delay_ms(1);
output_low(PIN_D4);
output_b(0xFF);
//================
output_high(PIN_D5);
output_b((maled[tram]<<1)|0x81);G=maG[tram];
delay_ms(1);
output_low(PIN_D5);
output_b(0xFF);
//===============
output_high(PIN_D6);
output_b((maled[chuc]<<1)|0x81);G=maG[chuc];
delay_ms(1);
output_low(PIN_D6);
output_b(0xFF);
//==================
output_high(PIN_D7);
output_b((maled[donvi]<<1)|0x81);G=maG[donvi];
delay_ms(1);
output_low(PIN_D7);
output_b(0xFF);
}
void khoitao()
{
set_tris_b(0x81);
set_tris_d(0x00);
enable_interrupts(global);
enable_interrupts(INT_EXT);
enable_interrupts(H_to_L);
enable_interrupts(INT_RB);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_256);
i=0;
}
void main()
{
khoitao();
while(true)
{
hienthi(i);
if(RB7==1) enable_interrupts(INT_RB);
}
}
#include<16f877a.h>
#Fuses HS,NOLVP,NOPUT,NOWDT
#use delay(clock=12000000)
#use fast_io(b)
#use fast_io(d)
#byte RB = 0x06
#bit RB7 = RB.7
#byte RD = 0x08
#bit G = RD.3
int8 maled[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x9 0};
int8 maG[10]={1,1,0,0,0,0,0,1,0,0};
signed int16 i, tram, nghin, chuc,donvi,n=0;
int1 s1=0,s2=0;
#INT_EXT
void demtien()
{
s1=1;
if(s2==1)
{
i++;
if(i==100) i=100;// đoạn này đây ạ!
s1=0;
s2=0;
disable_interrupts(INT_TIMER0);
}
else
{
enable_interrupts(INT_TIMER0);
set_timer0(0);
n=0;
}
}
#INT_RB
void ngat()
{
if(RB7==0)
{
s2=1;
if(s1==1)
{
i--;
if(i<0) i=0;
s1=s2=0;
disable_interrupts(INT_TIMER0);
}
else
{
enable_interrupts(INT_TIMER0);
set_timer0(0);
n=0;
}
disable_interrupts(INT_RB);
}
}
#INT_TIMER0
void ngat_timer0()
{
n++;
if(n==220)
{
n=0;
if(((s1==1)&&(s2==0))||((s1==0)&&(s2==1)))
s1=s2=0;
disable_interrupts(INT_TIMER0);
}
set_timer0(0);
}
void hienthi(int16 a)
{
nghin = a/1000;
tram = (a%1000)/100;
chuc = ((a%1000)%100)/10;
donvi = ((a%1000)%100)%10;
//===================
output_high(PIN_D4);
output_b((maled[nghin]<<1)|0x81);G=maG[nghin];
delay_ms(1);
output_low(PIN_D4);
output_b(0xFF);
//================
output_high(PIN_D5);
output_b((maled[tram]<<1)|0x81);G=maG[tram];
delay_ms(1);
output_low(PIN_D5);
output_b(0xFF);
//===============
output_high(PIN_D6);
output_b((maled[chuc]<<1)|0x81);G=maG[chuc];
delay_ms(1);
output_low(PIN_D6);
output_b(0xFF);
//==================
output_high(PIN_D7);
output_b((maled[donvi]<<1)|0x81);G=maG[donvi];
delay_ms(1);
output_low(PIN_D7);
output_b(0xFF);
}
void khoitao()
{
set_tris_b(0x81);
set_tris_d(0x00);
enable_interrupts(global);
enable_interrupts(INT_EXT);
enable_interrupts(H_to_L);
enable_interrupts(INT_RB);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_256);
i=0;
}
void main()
{
khoitao();
while(true)
{
hienthi(i);
if(RB7==1) enable_interrupts(INT_RB);
}
}