51单片机点阵
#include <reg51.h>
#include <intrins.h>
typedef unsigned char u8;
typedef unsigned int u16;
sbit SRCLK=P3^6;
sbit RCLK=P3^5;
sbit SER=P3^4;
u8 code ledduan[][8]={{0x00,0x00,0x72,0x51,0x51,0x51,0x4e,0x00},
{0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00},
{0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00},
{0x00,0x00,0x32,0x49,0x49,0x49,0x3e,0x00},
{0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00},
{0x00,0x00,0x27,0x45,0x45,0x45,0x39,0x00},
{0x00,0x00,0x3e,0x41,0x41,0x41,0x3e,0x00},
{0x00,0x00,0x2a,0x49,0x49,0x49,0x36,0x00},
{0x00,0x00,0x0c,0x14,0x24,0x7f,0x04,0x00},
{0x00,0x00,0x36,0x49,0x49,0x49,0x36,0x00},
{0x00,0x00,0x32,0x49,0x49,0x49,0x3e,0x00},
{0x00,0x00,0x36,0x49,0x49,0x49,0x36,0x00},
{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,}};
u8 ledduan1[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
u8 ledwei[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
void delay(u16 i)
{
while(i--);
}
void Hc595SendByte(u8 dat)
{
u8 i;
SRCLK=0;
RCLK=0;
for(i=0;i<8;i++)
{
SER=dat>>7;
dat<<=1;
SRCLK=1;
_nop_();
_nop_();
SRCLK=0;
}
RCLK=1;
_nop_();
_nop_();
RCLK=0;
}
int main()
{
u16 i,j,k;
while(1)
{
for(j=0;j<80;j++)
{
for(i=0;i<8;i++)
{
P0=ledwei[i];
Hc595SendByte(ledduan[k][i]);
delay(50);
Hc595SendByte(0x00);
}
}
for(i=0;i<8;i++)
{
P0=ledwei[i];
Hc595SendByte(ledduan1[i]);
delay(50);
Hc595SendByte(0x00);
delay(5000);
}
k++;
if(k>=13)
{
k=0;
}
}
}
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