led动态显示.doc

#include unsigned char led=0xc0,0x90, 0x99,0x99,0xf9,0xbf,0xc0,0x80;unsigned char i=0; main() EA=1; ET0=1; TMOD=0x01; SCON=0X00; PCON=0; TH0=0xb0; TL0=0xc0;/延时50ms TR0=1; while(1); void int0() interrupt 1 TH0=(65536-10000/2)/256; TL0=(65536-10000/2)%256;/延时50ms switch(i) case 0: i=i+1; P2=(0x017);/位码 SBUF=led0;/段码 while (!TI); TI=0; break; case 1: i=i+1; P2=(0x010); SBUF=led1; while (!TI); TI=0; break; case 2: i=i+1; P2=(0x011); SBUF=led2; while (!TI); TI=0; break; case 3: i=i+1; P2=(0x012); SBUF=led3; while (!TI); TI=0; break; case 4: i=i+1; P2=(0x013); SBUF=led4; while (!TI); TI=0; break; case 5: i=i+1; P2=(0x014); SBUF=led5; while (!TI); TI=0; break; case 6: i=i+1; P2=(0x015); SBUF=led6; while (!TI); TI=0; break; case 7: i=0; P2=(0x016); SBUF=led7; while (!TI); TI=0; break; default:break; #include unsigned char led=0xc0,0x90, 0x99,0x99,0xf9,0xbf,0xc0,0x80;unsigned char i=0; main() EA=1; ET0=1; TMOD=0x01; TH0=0xb0; TL0=0xc0;/延时50ms TR0=1; while(1); void int0() interrupt 1 TH0=(65536-10000/2)/256; TL0=(65536-10000/2)%256;/延时50ms switch(i) case 0: i=i+1; P2=(0x017); P0=led0; break; case 1: i=i+1; P2=(0x010); P0=led1; break; case 2: i=i+1; P2=(0x011); P0=led2; break; case 3: i=i+1; P2=(0x012); P0=led3; break; case 4: i=i+1; P2=(0x013); P0=led4; break; case 5: i=i+1; P2=(0x014); P0=led5; break; case 6: i=i+1; P2=(0x015); P0