oufuqiang 发表于 2012-4-11 13:15:33

20X7微型点阵屏，可切换字体。

本帖最后由 oufuqiang 于 2012-4-11 13:19 编辑

20X7微型点阵屏，可切换字体。 595控制的。

http://v.youku.com/v_show/id_XMzc5NDMyNDI0.html


#include <reg52.h>

sbit scl = P1^0;
sbit sda = P1^1;
sbit upd = P1^2;
sbit dpy = P1^7;

sbit key1 = P2^0;
sbit key2 = P2^1;
sbit key3 = P2^2;
sbit key4 = P2^4;
sbit key5 = P2^5;

unsigned char line,c1,c2,c3,c4;
unsigned char code scantab={0x02,0x04,0x08,0x10,0x20};
bit charface,dot;
unsigned char code numdot1[]={
0x00,0x60,0xFA,0x60,0x00,0x08,0x70,0x08,0x70,0x00,0x28,0x7C,0x28,0x7C,0x28,0x20,
0x54,0xFE,0x54,0x08,0x64,0x68,0x10,0x2C,0x4C,0x1C,0x62,0xBA,0x64,0x3A,0x00,0x02,
0x0C,0x00,0x00,0x00,0x38,0x44,0x82,0x00,0x82,0x44,0x38,0x00,0x00,0x48,0x30,0xFC,
0x30,0x48,0x00,0x10,0x7C,0x10,0x00,0x00,0x02,0x0C,0x00,0x00,0x00,0x08,0x08,0x08,
0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x02,0x1C,0x60,0x80,0x00,0x7C,0x92,0xA2,0x7C,
0x00,0x42,0xFE,0x02,0x00,0x00,0x66,0x8A,0x92,0x62,0x00,0x44,0x92,0x92,0x6C,0x00,
0x38,0x4A,0xFE,0x0A,0x00,0xE4,0x92,0x92,0x8C,0x00,0x7C,0x92,0x92,0x0C,0x00,0xC0,
0x9E,0xA0,0xC0,0x00,0x6C,0x92,0x92,0x6C,0x00,0x60,0x92,0x92,0x7C,0x00,0x00,0x44,
0x00,0x00,0x00,0x02,0x4C,0x00,0x00,0x10,0x28,0x44,0x82,0x00,0x00,0x24,0x24,0x24,
0x24,0x00,0x82,0x44,0x28,0x10,0x00,0x60,0x8A,0x90,0x60,0x7C,0x82,0x9A,0xAA,0x7A,
0x00,0x3E,0xC8,0x78,0x0E,0x00,0x82,0xFE,0x92,0x6C,0x00,0x7C,0x82,0x82,0x44,0x00,
0x82,0xFE,0x82,0x7C,0x00,0xFE,0x92,0x92,0x82,0x00,0xFE,0x90,0x90,0x80,0x00,0x7C,
0x82,0x8A,0x4C,0x00,0xFE,0x10,0x10,0xFE,0x00,0x82,0xFE,0x82,0x00,0x00,0x06,0x82,
0xFC,0x80,0x00,0xFE,0x10,0x28,0x44,0x00,0xFE,0x02,0x02,0x02,0xFE,0xF0,0x0E,0xF0,
0xFE,0xFE,0x20,0x10,0x08,0xFE,0x00,0x7C,0x82,0x82,0x7C,0x00,0xFE,0x88,0x88,0x70,
0x00,0x7C,0x82,0x84,0x7A,0x00,0xFE,0x90,0x98,0x66,0x00,0x64,0x92,0x92,0x4C,0x80,
0x80,0xFE,0x80,0x80,0x00,0xFC,0x02,0x02,0xFC,0x00,0xF8,0x06,0x1C,0xE0,0xE0,0x1E,
0xF0,0x1E,0xE0,0x82,0x6C,0x10,0x6C,0x82,0x80,0xE2,0x1E,0xE2,0x80,0x00,0x00,0x8E,
0x92,0xE2};
unsigned char code numdot2[]={
0x00,0x60,0xFA,0x60,0x00,0x08,0x70,0x08,0x70,0x00,0x28,0x7C,0x28,0x7C,0x28,0x20,
0x54,0xFE,0x54,0x08,0x64,0x68,0x10,0x2C,0x4C,0x1C,0x62,0xBA,0x64,0x3A,0x00,0x02,
0x0C,0x00,0x00,0x00,0x38,0x44,0x82,0x00,0x82,0x44,0x38,0x00,0x00,0x48,0x30,0xFC,
0x30,0x48,0x00,0x10,0x7C,0x10,0x00,0x00,0x02,0x0C,0x00,0x00,0x00,0x08,0x08,0x08,
0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x02,0x1C,0x60,0x80,0x00,0xFE,0x82,0x82,0xFE,
0x00,0x00,0x00,0x00,0xFE,0x00,0x9E,0x92,0x92,0xF2,0x00,0x92,0x92,0x92,0xFE,0x00,
0xF0,0x10,0x10,0xFE,0x00,0xF2,0x92,0x92,0x9E,0x00,0xFE,0x92,0x92,0x9E,0x00,0xE0,
0x80,0x80,0xFE,0x00,0xFE,0x92,0x92,0xFE,0x00,0xF2,0x92,0x92,0xFE,0x00,0x00,0x44,
0x00,0x00,0x00,0x02,0x4C,0x00,0x00,0x10,0x28,0x44,0x82,0x00,0x00,0x24,0x24,0x24,
0x24,0x00,0x82,0x44,0x28,0x10,0x00,0x60,0x8A,0x90,0x60,0x7C,0x82,0x9A,0xAA,0x7A,
0x00,0x3E,0xC8,0x78,0x0E,0x00,0x82,0xFE,0x92,0x6C,0x00,0x7C,0x82,0x82,0x44,0x00,
0x82,0xFE,0x82,0x7C,0x00,0xFE,0x92,0x92,0x82,0x00,0xFE,0x90,0x90,0x80,0x00,0x7C,
0x82,0x8A,0x4C,0x00,0xFE,0x10,0x10,0xFE,0x00,0x82,0xFE,0x82,0x00,0x00,0x06,0x82,
0xFC,0x80,0x00,0xFE,0x10,0x28,0x44,0x00,0xFE,0x02,0x02,0x02,0xFE,0xF0,0x0E,0xF0,
0xFE,0xFE,0x20,0x10,0x08,0xFE,0x00,0x7C,0x82,0x82,0x7C,0x00,0xFE,0x88,0x88,0x70,
0x00,0x7C,0x82,0x84,0x7A,0x00,0xFE,0x90,0x98,0x66,0x00,0x64,0x92,0x92,0x4C,0x80,
0x80,0xFE,0x80,0x80,0x00,0xFC,0x02,0x02,0xFC,0x00,0xF8,0x06,0x1C,0xE0,0xE0,0x1E,
0xF0,0x1E,0xE0,0x82,0x6C,0x10,0x6C,0x82,0x80,0xE2,0x1E,0xE2,0x80,0x00,0x00,0x8E,
0x92,0xE2};

//void yanshi(unsigned int time)
// {
// while(--time);
// }
void send595(unsigned char dat)
{
unsigned char i;
i=8;
do{
        sda=dat&0x01;
        scl=1;
        scl=0;
        dat=dat>>1;
        }while(--i);
}
void scandot(void)
{
if(charface)
    {
        send595(numdot1);
        send595(numdot1);
        send595(numdot1|dot);
        send595(numdot1);
        }
else
    {
        send595(numdot2);
        send595(numdot2);
        send595(numdot2|dot);
        send595(numdot2);
        }
send595(scantab);
upd=1;
upd=0;
line++;
if(line>=5)
    {
    line=0;
    }
}
void main(void)
{
TMOD=0X01;
TR0=1;
EA=1;
ET0=1;
scl=sda=upd=0;
c1=c2=c3=c4=15;
send595(0xFF);
send595(0xFF);
send595(0xFF);
send595(0xFF);
send595(0xFF);
upd=1;
upd=0;
while(key5);
while(1)
{
scandot();
if(key1==0)
    {
        c4++;
        if(c4>=25){c4=15;}
        while(key1==0)
          {
          scandot();
          }
    }
if(key2==0)
    {
        c3++;
        if(c3>=25){c3=15;}
        while(key2==0)
          {
          scandot();
          }
    }
if(key3==0)
    {
        c2++;
        if(c2>=25){c2=15;}
        while(key3==0)
          {
          scandot();
          }
    }
if(key4==0)
    {
        c1++;
        if(c1>=25){c1=15;}
        while(key4==0)
          {
          scandot();
          }
    }
if(key5==0)
    {
        charface=!charface;
        while(key5==0)
          {
          scandot();
          }
        }
}
}

void timer0(void) interrupt 1
{
static count,sec;
TH0=(65536-49990)/256;
TL0=(65536-49990)%256;
count++;
if(count>=40)
{
count=0;
dot=!dot;
sec++;
if(sec>=60)
    {
        sec=0;
        c1++;
        if(c1>=25)
          {
          c1=15;
          c2++;
          if(c2>=21)
          {
                c2=15;
                c3++;
                if(c3>=25)
                  {
                  c3=15;
                  c4++;
                  if(c4>=21)
                  {
                        c1=c2=c3=c4=15;
                        }
                  }
                }
          }
        }
}
}

xfdr 发表于 2012-4-11 14:02:15

不错，谢谢楼主分享，能不能把SER全部接在一起，再用上片选

cu_ice 发表于 2012-4-11 17:05:45

不错不错，这种小点阵貌似我公司有，有空做来玩玩
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