?? display.c
字號:
#include <reg51.h>
const uchar DATA_7SEG[ ] ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
uchar led[6] ={1,2,3,4,5,6}; //顯示1,2,3,4,5,6
void delay(uchar t)
{uchar i;
for (i=0;i<t;i++);
}
//_______________________________________________________________
void display(void)
{uchar i;
for(;;)
{for (i=0;i<6;i++)
{P3=~(0x01<<i); //位選移位
P1=DATA_7SEG[led[i]]; //送段碼
delay(1000);
}
P1=0x00;//關顯示
P3=0xff;
}
}
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