点阵显示屏成功点亮 原理图 程序
16×16点阵显示屏成功点亮!!
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!!编个流动显示的程序,哈哈,很炫啊。心动不如赶快行动啊!!
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:https://www.360docs.net/doc/2c12669992.html,
改编:springvirus
*********************************************************/
#include
#define hang1 P0 //上行线
#define hang2 P2 //下行线
#define lie P1 //列线
#define sum sizeof(hanzi)/32 //自动计算汉字字数
/*****参数设置*****/
#define ziti 16 //字体大小(宽度)
#define light 50 //显示亮度
#define move_speed 50 //移动速度
unsigned char code hanzi[]={
/*-- 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,0xE8,0x88,0x88,0x88,0x88,0x00,0x0 0,
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,0x00,0x00,0x00,0x0 0,
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,0x86,0x84,0xA4,0xC4,0x84,0x0 0,
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
};
uint k=0,j; //移位变量,k:移位个数
uint a=0; //用于软件延时
ulong s=(sum+1)*ziti; //s为全部列数
uchar disbuf[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*****/
void delay(void)
{
uchar i;
for(i=0;i } /*****初始化子程序*****/ void init(void) { TMOD=0x1; TH0=0xfc; TL0=0x18; } /*****计数器中断程序*****/ void timer0(void) interrupt 1 //中断处理 { TH0=0xfc; TL0=0x18; a++; } /*****汉字循环显示*****/ void run_move(void) { uchar k1,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*****/ void load_hanzi(void) { uchar i; 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; }