//實(shí)例28：用數(shù)組的指針控制P0 口8 位LED流水點(diǎn)亮--配套51單片機(jī)開(kāi)發(fā)板//

#include
/*************************************************
函數(shù)功能：延時(shí)約150ms (3*200*250=150 000μs=150ms
*************************************************/
void delay150ms(void)
{
unsigned char m,n;
for(m=0;m<200;m++)
for(n=0;n<250;n++)
;
}
/*************************************************
函數(shù)功能：主函數(shù)
*************************************************/
void main(void)
{
unsigned char i;
unsigned char Tab[ ]={0xFF,0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,
0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE,
0xFE,0xFC,0xF8,0xF0,0xE0,0xC0,0x80,0x00,
0xE7,0xDB,0xBD,0x7E,0x3C,0x18,0x00,0x81,
0xC3,0xE7,0x7E,0xBD,0xDB,0xE7,0xBD,0xDB};
//流水燈控制碼
unsigned char *p; //定義無(wú)符號(hào)字符型指針
p=Tab; //將數(shù)組首地址存入指針p
while(1)
{
for(i=0;i<32;i++) //共32個(gè)流水燈控制碼
{
P0=*(p+i); //*（p+i)的值等于a[i]
delay150ms(); //調(diào)用150ms延時(shí)函數(shù)
delay150ms(); //調(diào)用150ms延時(shí)函數(shù)
}
}
}