#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar stepd[]={0x11,0x23,0x22,0x66,0x44,0xcc,0x88,0x99};
uchar num=0;
uint t=0,sec=0;
void t0isr() interrupt 1
{
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
P2=stepd[num];
num++;
num%=8;
}
void t1isr() interrupt 3
{
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
t++;
if(t>=20)
{
t=0;
sec++;
if(sec>=30)
{
sec=0;
TR0=0; //æ¶é´å°ï¼ç¹å»åæ¢ã
}
}
}
main()
{
TMOD=0x11;
TH0=(65536-10000)/256;
TL0=(65536-10000)%256;
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
TR0=1;
TR1=1;
ET1=1;
ET0=1;
EA=1;
while(1);
}
追é®è¿ä¸ªæ¯æ£è½¬30ç§ä¹åèªå·±å°±åæ¢äºåï¼
追çæ¯çï¼ä½æ£è½¬ä¸å¦ä¸ä½ çæ¥çº¿æå
³ã
追é®æç¼è¯æ²¡æé误ï¼ä½æ¯å»å½ç»åçæºåï¼åçæºä¸ç´åï¼å°±æ¯ä¸ç´å«😂😂😂ï¼è¿æ¯ä¸ºå¥ååå
åçæºè鸣å¨ä¸ç´å¨ååå