复件 静态汉字.c

8×8LED实现汉字显示

#include <reG51.h>
#define uint unsigned int 
#define uchar unsigned char
const unsigned char char_7[8]={0x10,0x38,0x7C,0xFE,0x38,0x38,0x38,0x38};
const unsigned char char_8[8]={0x1C,0x30,0x1,0xFF,0x0,0x20,0x18,0x04};
void delay_ms(uint k)
 { uint i,j;
   for(i=0;i<k;i++)
     for(j=0;j<125;j++);
}   
/*void display(char row)
{
char i;
for (i=0;i<=7;i++)
{
if (row <= 7)
PORTA = char_7[row];
else
PORTA = 0;
PORTB = ~(1<<i);
delay_ms(2);
PORTB = 0xFF;
if (++row >= 12 ) row = 0;
}
}*/

void display2(char row)
{
//if(row>7)
//{
//P2 = 0XFF;
//P3= 0X81; //显示中间6排
//}
//else
//{
P2 = char_7[row];
P3= ~(1<<row);
delay_ms(2);
P3 = 0xFF;
//}
}

void main(void)
{
uchar i = 0;
P2=0xFF;
P3=0x00;
delay_ms(1000) ; //一秒
while (1)
{
for(i=0;i<8;i++)
{
display2(i);
}

}
}