text1.c

来自「个人单片机入门程序集合 。很适合刚学单片机的人。用的是keil proteus」· C语言 代码 · 共 31 行

#include<reg51.h>
unsigned char code design[32]={0xff,0xfe,0xfd,0xfb,0xf7,0xfe,0xdf,
                               0xbf,0x7f,0x7f,0xbf,0xdf,0xef,0xf7,
                               0xfb,0xfd,0xfe,0xff,0xff,0xfe,0xfc,
                               0xf8,0xf0,0xe0,0xc0,0x80,0x0,0xe7,0xdb,
                               0xbd,0x7e,0xff
                               };
unsigned char n;
void pplive(void)
{
 TMOD=0X11;
 TH0=0X3C;
 TL0=0XB0;
 EA=1;
 ET0=1;
 TR0=1;
}
void timer0(void) interrupt 1 using 1
{
 TH0=0X3C;
 TL0=0XB0;
 n=(n+1)%32;
 P2=0xf8;
 P0=design[n];
}
main ()
{
 pplive();
 while(1);
}