1616点阵显示屏.docx
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1616点阵显示屏
16×16点阵显示屏成功点亮!
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看到江同学的3216屏(),对于我来说,稍显复杂,所以决定做个1616的屏看看效果,原理图就是以下了,注意做1616时,要去掉一个74LS154(当然这里也能换用74HC154,虽然功耗大,但价格较低),经过两天的奋斗,终于完工了。
简单的调试后,点亮了!
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编个流动显示的程序,哈哈,很炫啊。
心动不如赶快行动啊!
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我是把点阵块焊到一块板子上,可方便检查有无虚焊,控制部分放到了另一张板上,做成的实物图就是下面的了,视频在这里:
(注:
以下原理图均来自)
/*********************************************************
程序名称:
LED1616点阵流动显示汉字
简要说明:
最大可显示16*16汉字
P0口接上行线,P2口接下行线,P3口接扫描线
编 写:
JiangX.net
改 编:
springvirus
*********************************************************/
#include
#definehang1 P0 //上行线
#definehang2 P2 //下行线
#definelie P1//列线
#definesum sizeof(hanzi)/32//自动计算汉字字数
/*****参数设置*****/
#defineziti 16 //字体大小(宽度)
#definelight 50 //显示亮度
#definemove_speed50 //移动速度
unsignedcharcodehanzi[]={
/*--文字:
自--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x00,0x00,0xF8,0x48,0x48,0x4C,0x4B,0x4A,0x48,0x48,0x48,0xF8,0x00,0x00,0x00,
0x00,0x00,0x00,0xFF,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,
/*--文字:
制--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x50,0x4F,0x4A,0x48,0xFF,0x48,0x48,0x48,0x00,0xFC,0x00,0x00,0xFF,0x00,0x00,
0x00,0x00,0x3F,0x01,0x01,0xFF,0x21,0x61,0x3F,0x00,0x0F,0x40,0x80,0x7F,0x00,0x00,
/*--文字:
小--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x00,0x00,0xC0,0x70,0x20,0x00,0xFF,0x00,0x10,0x20,0xC0,0x80,0x00,0x00,0x00,
0x04,0x02,0x01,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x01,0x07,0x02,0x00,
/*--文字:
型--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x10,0x12,0x92,0x7E,0x12,0x12,0xFE,0x12,0x12,0x10,0xFC,0x00,0x00,0xFF,0x00,0x00,
0x40,0x42,0x49,0x48,0x48,0x48,0x49,0x7E,0x48,0x48,0x48,0x4A,0x4C,0x4B,0x40,0x00,
/*--文字:
点--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x00,0x00,0xE0,0x20,0x20,0x20,0x3F,0x24,0x24,0x24,0xF4,0x24,0x00,0x00,0x00,
0x00,0x40,0x30,0x07,0x12,0x62,0x02,0x0A,0x12,0x62,0x02,0x0F,0x10,0x60,0x00,0x00,
/*--文字:
阵--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0xFE,0x02,0x12,0x2A,0xC6,0x88,0xC8,0xB8,0x8F,0xE8,0x88,0x88,0x88,0x88,0x00,0x00,
0xFF,0x00,0x02,0x04,0x03,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x00,
/*--文字:
显--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x00,0x00,0x3E,0x2A,0xEA,0x2A,0x2A,0x2A,0xEA,0x2A,0x3E,0x00,0x00,0x00,0x00,
0x20,0x21,0x22,0x2C,0x20,0x3F,0x20,0x20,0x20,0x3F,0x28,0x24,0x23,0x20,0x20,0x00,
/*--文字:
示--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x20,0x20,0x22,0x22,0x22,0x22,0xE2,0x22,0x22,0x22,0x22,0x22,0x20,0x20,0x00,
0x10,0x08,0x04,0x03,0x00,0x40,0x80,0x7F,0x00,0x00,0x01,0x02,0x0C,0x18,0x00,0x00,
/*--文字:
系--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x00,0x00,0x02,0x22,0xB2,0xAA,0x66,0x62,0x22,0x11,0x4D,0x81,0x01,0x01,0x00,0x00,
0x00,0x40,0x21,0x13,0x09,0x05,0x41,0x81,0x7F,0x01,0x05,0x09,0x13,0x62,0x00,0x00,
/*--文字:
统--*/
/*--宋体12;此字体下对应的点阵为:
宽x高=16x16 --*/
0x20,0x30,0x2C,0xA3,0x60,0x10,0x84,0xC4,0xA4,0x9D,0x86,0x84,0xA4,0xC4,0x84,0x00,
0x20,0x22,0x23,0x12,0x12,0x92,0x40,0x30,0x0F,0x00,0x00,0x3F,0x40,0x41,0x70,0x00,
/*****空白,用于区分显示内容的头和尾*****/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
uintk=0,j; //移位变量,k:
移位个数
uinta=0; //用于软件延时
ulongs=(sum+1)*ziti; //s为全部列数
uchardisbuf[16][2]; //定义显示缓冲区(16行两列的二维数组以开辟1个16*16汉字的空间)
bit move_st; //移动标志
/*****可变延时*****/
voiddelay(void)
{
uchari;
for(i=0;i}
/*****初始化子程序*****/
voidinit(void)
{
TMOD=0x1;
TH0=0xfc;
TL0=0x18;
}
/*****计数器中断程序*****/
voidtimer0(void)interrupt1 //中断处理
{
TH0=0xfc;
TL0=0x18;
a++;
}
/*****汉字循环显示*****/
voidrun_move(void)
{
uchark1,k2;
if(a>=move_speed)//move_speed控制移动速度
{
if(k>s-ziti-1)k=0;//整屏移动列数
k1=k/ziti;
k2=k%ziti;
j=ziti*2*k1+k2; //显示指针
k++;
move_st=1;
a=0;
}
}
/*****装载显示数据至缓冲区*****/
voidload_hanzi(void)
{
uchari;
run_move();
if(move_st)
{
for(i=0;i<15;i++)
{
disbuf[i][0]=disbuf[i+1][0];//移位处理
disbuf[i][1]=disbuf[i+1][1];//移位处理
}
disbuf[15][0]=hanzi[j];
disbuf[15][1]=(hanzi[ziti+j]);
move_st=0;
}
}
/*****扫描显示数据缓冲区的内容*****/
voiddisplay(void)
{
uchari;
for(i=0;i<16;i++)
{
lie=i;
hang1=disbuf[i][0];
hang2=disbuf[i][1];
delay();
hang1=0;
hang2=0;
}
}
/*****主程序*****/
voidmain(void)
{ init();
EA=1;//开中断
TR0=1;
ET0=1;
while
(1)
{load_hanzi();
display();}
}