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[nhoc820357]

em có code của led ma trận 2 bộ 8x8

#include<reg52.h>
#include<string.h>

void delay(int t)
{
int a;
for(a=0;a<t;a++)
{}
}
int m,n,p;
unsigned char code cot[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char code ma1[]={

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFE,0x82,0x82,0x82,0x44,0x38,0x00,0x00, // D
0x7C,0x82,0x82,0x82,0x82,0x7C,0x00,0x00, // O
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xF8,0x14,0x12,0x12,0x14,0xF8,0x00,0x00, // A
0xFE,0x04,0x08,0x10,0x20,0xFE,0x00,0x00, // N
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFE,0x04,0x08,0x10,0x08,0x04,0xFE,0x00, // M
0x7C,0x82,0x82,0x82,0x82,0x7C,0x00,0x00, // O
0xFE,0x04,0x08,0x10,0x20,0xFE,0x00,0x00, // N
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFE,0x10,0x10,0x10,0x10,0xFE,0x00,0x00, // H
0x7C,0x82,0x82,0x82,0x82,0x7C,0x00,0x00, // O
0x7C,0x82,0x82,0x82,0x82,0x44,0x00,0x00, // C
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
},
ma2[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x4C,0x92,0x92,0x92,0x64,0x00,0x00,0x00, // S
0x88,0xFA,0x80,0x00,0x00,0x00,0x00,0x00, // i
0xF8,0x04,0x04,0x04,0xF8,0x00,0x00,0x00, // n
0xFE,0x10,0x08,0x08,0xF0,0x00,0x00,0x00, // h
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x3C,0x40,0x80,0x40,0x3C,0x00,0x00,0x00, // v
0x88,0xFA,0x80,0x00,0x00,0x00,0x00,0x00, // i
0x70,0xA8,0xA4,0xA4,0x18,0x00,0x00,0x00, // e
0xF8,0x04,0x04,0x04,0xF8,0x00,0x00,0x00, // n
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x08,0x7E,0x88,0x48,0x00,0x00,0x00,0x00, // t
0xFE,0x10,0x08,0x08,0xF0,0x00,0x00,0x00, // h
0x78,0x80,0x80,0x80,0x78,0x00,0x00,0x00, // u
0x78,0x84,0x84,0x84,0x48,0x00,0x00,0x00, // c
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFE,0x10,0x08,0x08,0xF0,0x00,0x00,0x00, // h
0x88,0xFA,0x80,0x00,0x00,0x00,0x00,0x00, // i
0x70,0xA8,0xA4,0xA4,0x18,0x00,0x00,0x00, // e
0xF8,0x04,0x04,0x04,0xF8,0x00,0x00,0x00, // n
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
},
ma3[]={
0x02,0x02,0xFE,0x02,0x02,0x00,0x00,0x00, // T
0x78,0x80,0x80,0x80,0x78,0x00,0x00,0x00, // u
0xF8,0x04,0x04,0x04,0xF8,0x00,0x00,0x00, // n
0x98,0xA4,0xA4,0xA4,0x78,0x00,0x00,0x00, // g
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x02,0x02,0xFE,0x02,0x02,0x00,0x00,0x00, // T
0x88,0xFA,0x80,0x00,0x00,0x00,0x00,0x00, // i
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};


void matrix1()
{
P3=0xff;

for(m=0;m<16*8;m++)
{
for(n=0;n<40;n++)
{
for(p=0;p<8;p++)
{
P0=cot[p];
P1=~ma1[m+p];
delay(10);
P1=0XFF;
P0=0xff; delay(10);
}
}
}
}

void matrix2()
{
int i,j,k;
P1=0xff;
for(k=0;k<20*8;k++)
{
for(i=0;i<40;i++)
{
for(j=0;j<8;j++)
{
P0=cot[j];
P3=~ma2[k+j];

delay(10); P0=0XFF;
P3=0xff; delay(10);
}
}
}
}

void matrix3()
{
int a,b,c;
for(a=0;a<25*8;a++)
{
for(b=0;b<40;b++)
{
for(c=0;c<8;c++)
{
P0=cot[c];
P1=P3=~ma3[a+c];

delay(10); P3=0XFF;P0=0xff; P1=0xff;delay(10);
}
}
}
}

void main()
{
while(1)
{
matrix1();
delay(10000);
matrix2();
delay(10000);
matrix3();
delay(10000);
}
}


Anh nào giúp e sừa lai chạy với một ma trận 8x8 vẫn hiển thị dòng chữ như cũ. e cám ơn nhiều.

[nhoc820357]

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