Tạo font chữ cho led ma trận 8×8

Code:

#include <REG51.H>
#include <string.h>
void delay(unsigned int t)
{
unsigned int i;
for(i=0;i<t;i++);
}
unsigned char code mahang[]={
// 1 2 3 4 5 6 7 8
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,//SPACE-32
0xFF,0xFF,0xA0,0xFF,0xFF,0xFF,//! 33
0xFF,0xFF,0xF8,0xF4,0xFF,0xFF,//" 34
0xEB,0x80,0xEB,0x80,0xEB,0xFF,//# 35
0xDB,0xD5,0x80,0xD5,0xED,0xFF,//$ 36
0xD8,0xEA,0x94,0xAB,0x8D,0xFF,//% 37
0xC9,0xB6,0xA9,0xDF,0xAF,0xFF,//& 38
0xFF,0xFF,0xF8,0xF4,0xFF,0xFF,//' 39
0xFF,0xE3,0xDD,0xBE,0xFF,0xFF,//( 40
0xFF,0xBE,0xDD,0xE3,0xFF,0xFF,//) 41
0xD5,0xE3,0x80,0xE3,0xD5,0xFF,//* 42
0xF7,0xF7,0xC1,0xF7,0xF7,0xFF,//+ 43
0xFF,0xA7,0xC7,0xFF,0xFF,0xFF,//, 44
0xF7,0xF7,0xF7,0xF7,0xF7,0xFF,//- 45
0xFF,0x9F,0x9F,0xFF,0xFF,0xFF,//x 46
0xFF,0xC9,0xC9,0xFF,0xFF,0xFF,// / 47
0xC1,0xAE,0xB6,0xBA,0xC1,0xFF,//0 48
0xFF,0xBD,0x80,0xBF,0xFF,0xFF,//1 49
0x8D,0xB6,0xB6,0xB6,0xB9,0xFF,//2 50
0xDD,0xBE,0xB6,0xB6,0xC9,0xFF,//3 51
0xE7,0xEB,0xED,0x80,0xEF,0xFF,//4 52
0xD8,0xBA,0xBA,0xBA,0xC6,0xFF,//5 53
0xC3,0xB5,0xB6,0xB6,0xCF,0xFF,//6 54
0xFE,0x8E,0xF6,0xFA,0xFC,0xFF,//7 55
0xC9,0xB6,0xB6,0xB6,0xC9,0xFF,//8 56
0xF9,0xB6,0xB6,0xD6,0xE1,0xFF,//9 57
0xFF,0xC9,0xC9,0xFF,0xFF,0xFF,//: 58
0xFF,0xA4,0xC4,0xFF,0xFF,0xFF,//; 59
0xF7,0xEB,0xDD,0xBE,0xFF,0xFF,//< 60
0xEB,0xEB,0xEB,0xEB,0xEB,0xFF,//= 61
0xFF,0xBE,0xDD,0xEB,0xF7,0xFF,//> 62
0xFD,0xFE,0xAE,0xF6,0xF9,0xFF,//? 63
0xCD,0xB6,0x8E,0xBE,0xC1,0xFF,//@ 64
0x83,0xF5,0xF6,0xF5,0x83,0xFF,//A 65
0xBE,0x80,0xB6,0xB6,0xC9,0xFF,//B 66
0xC1,0xBE,0xBE,0xBE,0xDD,0xFF,//C 67
0xBE,0x80,0xBE,0xBE,0xC1,0xFF,//D 68
0x80,0xB6,0xB6,0xB6,0xBE,0xFF,//E 69
0x80,0xF6,0xF6,0xFE,0xFE,0xFF,//F 70
0xC1,0xBE,0xB6,0xB6,0xC5,0xFF,//G 71
0x80,0xF7,0xF7,0xF7,0x80,0xFF,//H 72
0xFF,0xBE,0x80,0xBE,0xFF,0xFF,//I 73
0xDF,0xBF,0xBE,0xC0,0xFE,0xFF,//J 74
0x80,0xF7,0xEB,0xDD,0xBE,0xFF,//K 75
0x80,0xBF,0xBF,0xBF,0xFF,0xFF,//L 76
0x80,0xFD,0xF3,0xFD,0x80,0xFF,//M 77
0x80,0xFD,0xFB,0xF7,0x80,0xFF,//N 78
0xC1,0xBE,0xBE,0xBE,0xC1,0xFF,//O 79
0x80,0xF6,0xF6,0xF6,0xF9,0xFF,//P 80
0xC1,0xBE,0xAE,0xDE,0xA1,0xFF,//Q 81
0x80,0xF6,0xE6,0xD6,0xB9,0xFF,//R 82
0xD9,0xB6,0xB6,0xB6,0xCD,0xFF,//S 83
0xFE,0xFE,0x80,0xFE,0xFE,0xFF,//T 84
0xC0,0xBF,0xBF,0xBF,0xC0,0xFF,//U 85
0xE0,0xDF,0xBF,0xDF,0xE0,0xFF,//V 86
0xC0,0xBF,0xCF,0xBF,0xC0,0xFF,//W 87
0x9C,0xEB,0xF7,0xEB,0x9C,0xFF,//X 88
0xFC,0xFB,0x87,0xFB,0xFC,0xFF,//Y 89
0x9E,0xAE,0xB6,0xBA,0xBC,0xFF,//Z 90
0xFF,0x80,0xBE,0xBE,0xFF,0xFF,//[ 91
0xFD,0xFB,0xF7,0xEF,0xDF,0xFF,//\ 92
0xFF,0xBE,0xBE,0x80,0xFF,0xFF,//] 93
0xFB,0xFD,0xFE,0xFD,0xFB,0xFF,//^ 94
0x7F,0x7F,0x7F,0x7F,0x7F,0xFF,//_ 95
0xFF,0xFF,0xF8,0xF4,0xFF,0xFF,//' 96
0xDF,0xAB,0xAB,0xAB,0xC7,0xFF,//a 97
0x80,0xC7,0xBB,0xBB,0xC7,0xFF,//b 98
0xFF,0xC7,0xBB,0xBB,0xBB,0xFF,//c 99
0xC7,0xBB,0xBB,0xC7,0x80,0xFF,//d 100
0xC7,0xAB,0xAB,0xAB,0xF7,0xFF,//e 101
0xF7,0x81,0xF6,0xF6,0xFD,0xFF,//f 102
0xF7,0xAB,0xAB,0xAB,0xC3,0xFF,//g 103
0x80,0xF7,0xFB,0xFB,0x87,0xFF,//h 104
0xFF,0xBB,0x82,0xBF,0xFF,0xFF,//i 105
0xDF,0xBF,0xBB,0xC2,0xFF,0xFF,//j 106
0xFF,0x80,0xEF,0xD7,0xBB,0xFF,//k 107
0xFF,0xBE,0x80,0xBF,0xFF,0xFF,//l 108
0x83,0xFB,0x87,0xFB,0x87,0xFF,//m 109
0x83,0xF7,0xFB,0xFB,0x87,0xFF,//n 110
0xC7,0xBB,0xBB,0xBB,0xC7,0xFF,//o 111
0x83,0xEB,0xEB,0xEB,0xF7,0xFF,//p 112
0xF7,0xEB,0xEB,0xEB,0x83,0xFF,//q 113
0x83,0xF7,0xFB,0xFB,0xF7,0xFF,//r 114
0xB7,0xAB,0xAB,0xAB,0xDB,0xFF,//s 115
0xFF,0xFB,0xC0,0xBB,0xBB,0xFF,//t 116
0xC3,0xBF,0xBF,0xDF,0x83,0xFF,//u 117
0xE3,0xDF,0xBF,0xDF,0xE3,0xFF,//v 118
0xC3,0xBF,0xCF,0xBF,0xC3,0xFF,//w 119
0xBB,0xD7,0xEF,0xD7,0xBB,0xFF,//x 120
0xF3,0xAF,0xAF,0xAF,0xC3,0xFF,//y 121
0xBB,0x9B,0xAB,0xB3,0xBB,0xFF,//z 122
0xFB,0xE1,0xE0,0xE1,0xFB,0xFF//^ 123
};
unsigned char code macotd[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
unsigned int l,m,n,t,k,j,i;
unsigned char *xau=" Blog's Tannd";
unsigned char hienthi[100];
void hienchudo(unsigned int c)
{
k=c*6-32*6;
hienthi[0]=0xff;
for(i=0;i<6;i++)
{
hienthi[i+1]=mahang[k+i];
}
hienthi[7]=0xff;
for(i=0;i<200;i++)
for(n=0;n<8;n++)
{
P2=macotd[n];
P1=hienthi[n];
//P3=hienthi[n];
delay(20); // delay mo
}
P1=0xff; //
delay(500); // delay tat

}
void hienchuxanh(unsigned int c)
{
k=c*6-32*6;
hienthi[0]=0xff;
for(i=0;i<6;i++)
{
hienthi[i+1]=mahang[k+i];
}
hienthi[7]=0xff;
for(i=0;i<200;i++)
for(n=0;n<8;n++)
{
P2=macotd[n];
//P1=hienthi[n];
P3=hienthi[n];
delay(20); // delay mo
}
P1=0xff; //
delay(500); // delay tat

}void hienchuvang(unsigned int c)
{
k=c*6-32*6;
hienthi[0]=0xff;
for(i=0;i<6;i++)
{
hienthi[i+1]=mahang[k+i];
}
hienthi[7]=0xff;
for(i=0;i<200;i++)
for(n=0;n<8;n++)
{
P2=macotd[n];
P1=hienthi[n];
P3=hienthi[n];
delay(20); // delay mo
}
P1=0xff; //
delay(500); // delay tat

}
void main()
{

l=strlen(xau)*6+8;
for(i=0;i<8;i++) hienthi[i]=0xff;
for(i=0;i<strlen(xau);i++)
{
n=0;
k=*(xau+i)*6-32*6;
for(j=k;j<k+6;j++)
{
m=8+i*6+n;
hienthi[8+i*6+n]=mahang[k+n];
n++;
}
}
for(i=m+1;i<m+8;i++) hienthi[i]=0xff;
while(1)
{
for(j=48;j<59;j++)
{
hienchudo(j);
}
for(j=48;j<59;j++)
{
hienchuxanh(j);
}for(j=48;j<59;j++)
{
hienchuvang(j);
}

for(j=65;j<92;j++)
{
hienchudo(j);
}
for(j=65;j<92;j++)
{
hienchuxanh(j);
}
for(j=65;j<92;j++)
{
hienchuvang(j);
}

for(i=0;i<3;i++)
{
k=0;
for(t=0;t<l;t++)
{
for(j=1;j<100;j++)//thoi gian nhin thay ky tu
for(n=0;n<8;n++)
{
P2=macotd[n];
//P1=hienthi[n+k];
P3=hienthi[n+k];
delay(20); // delay mo
}
P1=0xff; //
delay(500); // delay tat
k++;
}
}

for(i=0;i<3;i++)
{
k=0;
for(t=0;t<l;t++)
{
for(j=1;j<100;j++)//thoi gian nhin thay ky tu
for(n=0;n<8;n++)
{
P2=macotd[n];
//P1=hienthi[n+k];
P3=hienthi[n+k];
delay(20); // delay mo
}
P1=0xff; //
delay(500); // delay tat
k++;
}
}
for(i=0;i<3;i++)
{
k=0;
for(t=0;t<l;t++)
{
for(j=1;j<100;j++)//thoi gian nhin thay ky tu
for(n=0;n<8;n++)
{
P2=macotd[n];
P1=hienthi[n+k];
//P3=hienthi[n+k];
delay(20); // delay mo
}
P1=0xff; //
delay(500); // delay tat
k++;
}
}
}
}