点阵发光管怎么用C语言编程,LED点阵经验各种点阵驱动方法讲解

2024-05-13 20:35:07

/*--------16*48点阵屏的移动显示------------*/

/*--------16*48点阵屏的移动显示------------*/

/*--------16*48点阵屏的移动显示------------*/

/*--------16*48点阵屏的移动显示------------*/

/*--------16*48点阵屏的移动显示------------*/

#include < reg51.h>

#include < intrins.h>

typedef unsigned char uchar

typedef unsigned int uint

#define DATE_OUT P1 //指定P1口做为输出

sbit DATA=DATE_OUT^0; //列数据输出位

sbit LCLK=DATE_OUT^1; //列扫描时钟位

sbit LAT=DATE_OUT^2; //列数据锁存位

sbit AB =DATE_OUT^3; //行数据输出位

sbit HCLK =DATE_OUT^4; //行扫描时钟位

uchar DatCnt = 0;

idata unsigned char TempDat[6][16]={

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",0第1个部分的，即第1个8列*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",1第2个部分的，即第2个8列*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",0第3个部分的，即第3个8列*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",1第4个部分的，即第4个8列*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",0第5个部分的，即第5个8列*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",1第6个部分的，即第6个8列*/

};//缓存数据

//非常好用的字摸软件PCtoLCD2002完美版字模选项：阳码、行列式、顺向

code unsigned char DisplayDat[][16]={

{0xFD,0xFD,0xFD,0xFC,0xC1,0xDD,0xDC,0xD1,0xDD,0xDC,0xC1,0xFD,0xFD,0xFE,0xFF,0xFF},

{0xFF,0xFF,0xFF,0x1F,0xDF,0xDF,0x5F,0xDF,0xDF,0x1F,0xFF,0xFB,0xFB,0x03,0xFF,0xFF},/*"电",6*/

{0xFF,0xFE,0xE1,0xFF,0xFD,0xFE,0xFE,0x80,0xFE,0xFE,0xFE,0xFE,0xF6,0xFA,0xFD,0xFF},

{0xFF,0x0F,0xDF,0xBF,0x7F,0xFF,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*"子",7*/

{0xFF,0xFF,0xFF,0xE0,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0x81,0xFF,0xFF,0xFF},

{0xFF,0xFF,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x03,0xFF,0xFF,0xFF,0xFF},/*"工",8*/

{0xFF,0xF9,0xC7,0xF7,0xF1,0x87,0xF3,0xE4,0xD7,0xB7,0x76,0xF7,0xF7,0xF4,0xF7,0xFF},

{0xFF,0xCF,0x2F,0x6F,0x4F,0x3F,0xC7,0x3F,0xBF,0x87,0x3F,0xBF,0x83,0x7F,0xFF,0xFF},/*"程",9*/

{0xFF,0xFE,0xE1,0xFD,0xFB,0xF0,0xFD,0xFB,0xF7,0xE0,0xFA,0xF6,0xEE,0xDC,0xFE,0xFF},

{0x9F,0x7F,0xFF,0xBF,0x7F,0xFF,0xBF,0xDF,0x0F,0xEF,0xFF,0x9F,0xE7,0xF7,0xFF,0xFF},/*"系",10*/

{0xFD,0xFD,0xFD,0xFC,0xC1,0xDD,0xDC,0xD1,0xDD,0xDC,0xC1,0xFD,0xFD,0xFE,0xFF,0xFF},

{0xFF,0xFF,0xFF,0x1F,0xDF,0xDF,0x5F,0xDF,0xDF,0x1F,0xFF,0xFB,0xFB,0x03,0xFF,0xFF},/*"电",6*/

{0xFF,0xFE,0xE1,0xFF,0xFD,0xFE,0xFE,0x80,0xFE,0xFE,0xFE,0xFE,0xF6,0xFA,0xFD,0xFF},

{0xFF,0x0F,0xDF,0xBF,0x7F,0xFF,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*"子",7*/

{0xFF,0xFF,0xFF,0xE0,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0x81,0xFF,0xFF,0xFF},

{0xFF,0xFF,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x03,0xFF,0xFF,0xFF,0xFF},/*"工",8*/

{0xFF,0xF9,0xC7,0xF7,0xF1,0x87,0xF3,0xE4,0xD7,0xB7,0x76,0xF7,0xF7,0xF4,0xF7,0xFF},

{0xFF,0xCF,0x2F,0x6F,0x4F,0x3F,0xC7,0x3F,0xBF,0x87,0x3F,0xBF,0x83,0x7F,0xFF,0xFF},/*"程",9*/

{0xFF,0xFE,0xE1,0xFD,0xFB,0xF0,0xFD,0xFB,0xF7,0xE0,0xFA,0xF6,0xEE,0xDC,0xFE,0xFF},

{0x9F,0x7F,0xFF,0xBF,0x7F,0xFF,0xBF,0xDF,0x0F,0xEF,0xFF,0x9F,0xE7,0xF7,0xFF,0xFF},/*"系",10*/

{0xFD,0xFD,0xFD,0xFC,0xC1,0xDD,0xDC,0xD1,0xDD,0xDC,0xC1,0xFD,0xFD,0xFE,0xFF,0xFF},

{0xFF,0xFF,0xFF,0x1F,0xDF,0xDF,0x5F,0xDF,0xDF,0x1F,0xFF,0xFB,0xFB,0x03,0xFF,0xFF},/*"电",11*/

{0xF7,0xF7,0xF7,0xEF,0xE8,0xCF,0xAC,0x6F,0xEC,0xEF,0xEC,0xED,0xED,0xEC,0xED,0xFF},

{0x7F,0xBF,0xFF,0x83,0x7F,0x8F,0x7F,0x8F,0x7F,0x8F,0x6F,0xEF,0x8F,0x7F,0xFF,0xFF},/*"信",12*/

{0xFF,0xFF,0xFF,0xEF,0xCF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xE7,0xFF,0xFF,0xFF},/*"1",13*/

{0xFF,0xFF,0xFF,0xE3,0xDB,0xDD,0xDD,0xDD,0xDD,0xDD,0xDD,0xDD,0xEB,0xF7,0xFF,0xFF},/*"0",14*/

{0xFF,0xFF,0xFF,0xE3,0xDB,0xDD,0xDD,0xDD,0xDD,0xDD,0xDD,0xDD,0xEB,0xF7,0xFF,0xFF},/*"0",15*/

{0xFF,0xFF,0xFF,0xEF,0xCF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xE7,0xFF,0xFF,0xFF},/*"1",16*/

{0xFE,0xFE,0xF2,0x8E,0xEE,0xEA,0xE2,0xCA,0xEA,0xEE,0xE9,0xE5,0x9B,0xFA,0xF7,0xFF},

{0xFF,0xFF,0xE3,0x1F,0xDF,0xDF,0xC7,0x9F,0xDF,0xDF,0xDF,0xDF,0xC1,0x3F,0xFF,0xFF},/*"班",17*/

{0xFF,0xFF,0xFD,0xFB,0xFB,0xF7,0xF7,0xF7,0xF7,0xF7,0xF7,0xFB,0xFB,0xFD,0xFE,0xFF},/*"(",0*/

{0xFF,0xF8,0xF7,0xEF,0xDF,0xBF,0xBF,0xBE,0xBE,0xBF,0xBF,0xDF,0xEF,0xF7,0xF8,0xFF},

{0xFF,0x1F,0xEF,0xF7,0xFB,0xFD,0xFD,0x7D,0x7D,0xFD,0xFD,0xFB,0xF7,0xEF,0x1F,0xFF},/*"⊙",1*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC3,0xFF,0xFF,0xFF},/*"_",2*/

{0xFF,0xF8,0xF7,0xEF,0xDF,0xBF,0xBF,0xBE,0xBE,0xBF,0xBF,0xDF,0xEF,0xF7,0xF8,0xFF},

{0xFF,0x1F,0xEF,0xF7,0xFB,0xFD,0xFD,0x7D,0x7D,0xFD,0xFD,0xFB,0xF7,0xEF,0x1F,0xFF},/*"⊙",3*/

{0xFF,0xFF,0xBF,0xDF,0xDF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xDF,0xDF,0xBF,0x7F,0xFF},/*")",4*/

{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*" ",5*/

};

/*下面函数扫描模式：点阵屏为16*48，我分成了6个16*8的，为了简便我采用

16进制写，6个16*8的如下排列

1 2 3 4 5 6

0xff 0xfe 0xfb 0xfc 0xfe 0x55 第1行这些数据都是我随便写的，做个假设

0xff 0xfe 0xfb 0xfc 0xfe 0x55 第2行

0xff 0xfe 0xfb 0xfc 0xfe 0x55 第3行

0xff 0xfe 0xfb 0xfc 0xfe 0x55 第4行

... ... ... ... ... ... ...

... ... ... ... ... ... ...

0xff 0xfe 0xfb 0xfc 0xfe 0x55 第15行

0xff 0xfe 0xfb 0xfc 0xfe 0x55 第16行

*/

void Display(uchar flag)

{

unsigned char i,j,temp,x; //定义变量

DATE_OUT = 0XFF; //置位高电平做准备

AB=0; //将列数据位清0，准备移位，行为低电平有效

for(i=0;i<16;i++) //因为有16行，所以要16次循环，依次选中1行

{ //循环输出16行数据

HCLK=0; //为列移位做准备，列移位为上升沿有效

LAT=0; //为行锁存做准备，行锁存输出为上升沿有效

for(x=6;x>0;x--) //分成了6个部分，所以循环6次，

{ //若为16*16的点阵，分成两个部分就可以了，循环两次

if(flag == 1)

{

temp = TempDat[x-1][i]; //读取点阵数据做输出，这里用到ia目的是先读取点阵数据的第二位字节，因一行16个点由两个字节组成， //电路中的移位寄存器最后一位对应最后一列，所以要先输出一行中的第二个字节数据

}

if(flag == 0) //用于清屏

temp = 0xff; //由于我的点阵里面用了8550三极管，相当于非门，所以这里高电平为灭

for(j=0;j<8;j++) //移动列数据，移动6个字节后锁存输出才打开，因为1行的列数据分成了6个字节

{

LCLK = 0; //为列移位做准备

DATA = temp&0x01; //将数据低位做输出，由电路图可知，移位寄存器的最后一位对应最后一列，因此先移最后一位

temp >>= 1; //将数据缓冲右移一位，为下次输出做准备

LCLK = 1; //将DATA上的数据移入寄存器

} //移入单字节结束

}

HCLK = 1; //HCLK拉高，列数据移位，相应行拉低，三极管导通输出电量到相应行点阵管阳极(共阳)

LAT = 1; //LAT拉高，将数据锁存输出到相应行的点阵发光管显示，显示一行后将保持到下一行显示开始

AB = 1; //列数据位只在第一行时为0，其它时候都为1，当将这个0移入寄存器后，从第一位开始一直移位最后一位， //移位的过程，AB就必需是1，这是因为不能同时有两个及两个以上0的出现，否则显示出乱

}

j = 64;

while(j--); //每一行的显示，保持16个移位时间，因此，最后一行的显示，也要加入保持时间，补尝显示的亮度

HCLK = 0; //

HCLK = 1; //将最后一行数据移出

}

void DisplayMoveLeft(uint DatNum,uint MoveSpeed)

{

uchar NextByte[16];//下半个汉字的数据

uchar i,j=8,a,b;

for(i=0;i<16;i++)

{

NextByte[i]=DisplayDat[DatCnt][i];

}

DatCnt++;

if((DatNum*2)==DatCnt)DatCnt=0;

while(j--)//8次移位

{

for(i=0;i<16;i++)//16个字节移位

{

for(a=0;a<5;a++)

{

TempDat[a][i]<<=1;

if(TempDat[a+1][i]&0x80){TempDat[a][i]+=1;}

}

TempDat[5][i]<<=1;

if(NextByte[i]&0x80)

{

TempDat[5][i]+=1;

}

NextByte[i]<<=1;

}

for(b=0;b

{

Display(1);

}

}

}

void main(void) //主入口函数

{

Display(0);

while(1)

{

DisplayMoveLeft(30,12);

}

}

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