89c51小型交通燈proteus8 平臺仿真
交通燈閃爍時間可調
代碼
#include <reg51.h>
void delay500ms(unsigned char k);
void main(void)
{
SP=0X60;
TMOD=0x01;
IE=0x85;
TCON=0x05;
while (1)
{
P1=0x21;
delay500ms(6);
P1=0x41;
delay500ms(2);
P1=0x12;
delay500ms(6);
P1=0x14;
delay500ms(2);
}
}
void int_0(void) interrupt 0
{
unsigned char i1, i2;
i1 = P1;
for(i2=0; i2<60; i2++)
{
P1 = 0x21;
delay500ms(1);
P1 = 0x20;
delay500ms(1);
}
P1 = i1;
}
void int_1(void) interrupt 2
{
unsigned char j1, j2;
j1 = P1;
for(j2=0; j2<60; j2++)
{
P1 = 0x12;
delay500ms(1);
P1 = 0x10;
delay500ms(1);
}
P1 = j1;
}
void delay500ms(unsigned char m)
{
unsigned char k1, k2;
TH0=0x3C; TL0=0xB0;
TR0 = 1;
for (k1=0; k1<m; k1++)
{
for(k2=0; k2<10; k2++ )
{
while(!TF0);
TF0 = 0;
TH0=0x3C; TL0=0xB0;
}
}
}
仿真文件下載：
jiaotongdeng.rar
(22.9 KB, 下載次數: 23)
2017-5-11 09:28 上傳
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