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Old 21-09-2012, 11:11 AM   #2
hung06071989
Nhập môn đệ tử
 
Tham gia ngày: Feb 2012
Bài gửi: 9
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Question

Trích:
Nguyên văn bởi tdm View Post
dùng phần mềm com ảo để kết nối với proteus.
thay thạch anh trong proteus bằng 20mhz.
Code:
////////////////////////////////////////////////////////////////////////////////
//----------------------TKHM MON HOC HE THONG NHUNG--------------------------//
//----------------------------LED MATRIX 8X32---------------------------------//
// Phan cung:  PIC 16F877A - Thach anh 20Mhz                                  //
//             IC chot dich 74HC595 - Quet cot                                //
// Ngay thuc hien:   15/09/2012                                               //
// Ngay hoan thanh:  28/09/2012                                               //
////////////////////////////////////////////////////////////////////////////////


#include <16f877a.h>
#device 16f877a*=16 ADC=10
#include <stdlib.h>//day la thu vien gi vay a?chua nang cua no la gi?
#include <string.h>
#fuses nowdt,noprotect,nolvp,hs,put
#use delay(clock=20000000)
#use fast_io(b)
#use fast_io(c)
#use fast_io(d)
#use rs232(baud=9600,parity=N,xmit=pin_c6,rcv=pin_c7)
#byte porta=0x05
#byte portb=0x06
#byte portc=0x07
#byte portd=0x08
#bit b0=portb.0
#bit b1=portb.1
#bit b2=portb.2
#bit b3=portb.3
#bit b4=portb.4
#bit b5=portb.5

int dich_chu=0,toc_doc_chay=0;
void lay_font(char * textptr);//day la gi vay a?
unsigned char bi,temp,chieu_dai=0;
unsigned char hien_thi[96];//tai sao day la so 96?thay doi so khac dc ko a?
char string1[18]={"tdm_012635587xx"};//thay doi chu hien thi tai day
const BYTE TEXT[51][5] ={0x00, 0x00, 0x00, 0x00, 0x00, // SPACE
                         0x00, 0x00, 0x5F, 0x00, 0x00, // !
                         0x00, 0x03, 0x00, 0x03, 0x00, // "
                         0x14, 0x3E, 0x14, 0x3E, 0x14, // #
                         0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
                         0x43, 0x33, 0x08, 0x66, 0x61, // %
                         0x36, 0x49, 0x55, 0x22, 0x50, // &
                         0x00, 0x05, 0x03, 0x00, 0x00, // '
                         0x00, 0x1C, 0x22, 0x41, 0x00, // (
                         0x00, 0x41, 0x22, 0x1C, 0x00, // )
                         0x14, 0x08, 0x3E, 0x08, 0x14, // *
                         0x08, 0x08, 0x3E, 0x08, 0x08, // +
                         0x00, 0x50, 0x30, 0x00, 0x00, // ,
                         0x08, 0x08, 0x08, 0x08, 0x08, // -
                         0x00, 0x60, 0x60, 0x00, 0x00, // .
                         0x20, 0x10, 0x08, 0x04, 0x02, // /
                         0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
                         0x04, 0x02, 0x7F, 0x00, 0x00, // 1
                         0x42, 0x61, 0x51, 0x49, 0x46, // 2
                         0x22, 0x41, 0x49, 0x49, 0x36, // 3
                         0x18, 0x14, 0x12, 0x7F, 0x10, // 4
                         0x27, 0x45, 0x45, 0x45, 0x39, // 5
                         0x3E, 0x49, 0x49, 0x49, 0x32, // 6
                         0x01, 0x01, 0x71, 0x09, 0x07, // 7
                         0x36, 0x49, 0x49, 0x49, 0x36, // 8
                         0x26, 0x49, 0x49, 0x49, 0x3E, // 9
                         0x00, 0x36, 0x36, 0x00, 0x00, // :
                         0x00, 0x56, 0x36, 0x00, 0x00, // ;
                         0x08, 0x14, 0x22, 0x41, 0x00, // <
                         0x14, 0x14, 0x14, 0x14, 0x14, // =
                         0x00, 0x41, 0x22, 0x14, 0x08, // >
                         0x02, 0x01, 0x51, 0x09, 0x06, // ?
                         0x3E, 0x41, 0x59, 0x55, 0x5E, // @
                         0x7E, 0x09, 0x09, 0x09, 0x7E, // A
                         0x7F, 0x49, 0x49, 0x49, 0x36, // B
                         0x3E, 0x41, 0x41, 0x41, 0x22, // C
                         0x7F, 0x41, 0x41, 0x41, 0x3E, // D
                         0x7F, 0x49, 0x49, 0x49, 0x41, // E
                         0x7F, 0x09, 0x09, 0x09, 0x01, // F
                         0x3E, 0x41, 0x41, 0x49, 0x3A, // G
                         0x7F, 0x08, 0x08, 0x08, 0x7F, // H
                         0x00, 0x41, 0x7F, 0x41, 0x00, // I
                         0x30, 0x40, 0x40, 0x40, 0x3F, // J
                         0x7F, 0x08, 0x14, 0x22, 0x41, // K
                         0x7F, 0x40, 0x40, 0x40, 0x40, // L
                         0x7F, 0x02, 0x0C, 0x02, 0x7F, // M
                         0x7F, 0x02, 0x04, 0x08, 0x7F, // N
                         0x3E, 0x41, 0x41, 0x41, 0x3E, // O
                         0x7F, 0x09, 0x09, 0x09, 0x06, // P
                         0x1E, 0x21, 0x21, 0x21, 0x5E, // Q
                         0x7F, 0x09, 0x09, 0x09, 0x76};// R

const BYTE TEXT2[44][5]={0x26, 0x49, 0x49, 0x49, 0x32, // S
                         0x01, 0x01, 0x7F, 0x01, 0x01, // T
                         0x3F, 0x40, 0x40, 0x40, 0x3F, // U
                         0x1F, 0x20, 0x40, 0x20, 0x1F, // V
                         0x7F, 0x20, 0x10, 0x20, 0x7F, // W
                         0x41, 0x22, 0x1C, 0x22, 0x41, // X
                         0x07, 0x08, 0x70, 0x08, 0x07, // Y
                         0x61, 0x51, 0x49, 0x45, 0x43, // Z
                         0x00, 0x7F, 0x41, 0x00, 0x00, // [
                         0x02, 0x04, 0x08, 0x10, 0x20, // \
                         0x00, 0x00, 0x41, 0x7F, 0x00, // ]
                         0x04, 0x02, 0x01, 0x02, 0x04, // ^
                         0x40, 0x40, 0x40, 0x40, 0x40, // _
                         0x00, 0x01, 0x02, 0x04, 0x00, // `
                         0x20, 0x54, 0x54, 0x54, 0x78, // a
                         0x7F, 0x44, 0x44, 0x44, 0x38, // b
                         0x38, 0x44, 0x44, 0x44, 0x44, // c
                         0x38, 0x44, 0x44, 0x44, 0x7F, // d
                         0x38, 0x54, 0x54, 0x54, 0x18, // e
                         0x04, 0x04, 0x7E, 0x05, 0x05, // f
                         0x08, 0x54, 0x54, 0x54, 0x3C, // g
                         0x7F, 0x08, 0x04, 0x04, 0x78, // h
                         0x00, 0x44, 0x7D, 0x40, 0x00, // i
                         0x20, 0x40, 0x44, 0x3D, 0x00, // j
                         0x7F, 0x10, 0x28, 0x44, 0x00, // k
                         0x00, 0x41, 0x7F, 0x40, 0x00, // l
                         0x7C, 0x04, 0x78, 0x04, 0x78, // m
                         0x7C, 0x08, 0x04, 0x04, 0x78, // n
                         0x38, 0x44, 0x44, 0x44, 0x38, // o
                         0x7C, 0x14, 0x14, 0x14, 0x08, // p
                         0x08, 0x14, 0x14, 0x14, 0x7C, // q
                         0x00, 0x7C, 0x08, 0x04, 0x04, // r
                         0x48, 0x54, 0x54, 0x54, 0x20, // s
                         0x04, 0x04, 0x3F, 0x44, 0x44, // t
                         0x3C, 0x40, 0x40, 0x20, 0x7C, // u
                         0x1C, 0x20, 0x40, 0x20, 0x1C, // v
                         0x3C, 0x40, 0x30, 0x40, 0x3C, // w
                         0x44, 0x28, 0x10, 0x28, 0x44, // x
                         0x0C, 0x50, 0x50, 0x50, 0x3C, // y
                         0x44, 0x64, 0x54, 0x4C, 0x44, // z
                         0x00, 0x08, 0x36, 0x41, 0x41, // {
                         0x00, 0x00, 0x7F, 0x00, 0x00, // |
                         0x41, 0x41, 0x36, 0x08, 0x00, // }
                         0x02, 0x01, 0x02, 0x04, 0x02};// ~

int8 i,m,t,flag,dem;

int8 n;
char mang[];
void dich(void);
void xuat(unsigned char bi);//bi la cai gi vay a?
void xoa_hien_thi();
#INT_RDA
void ngat()
{
string1[dem]=getc();
if(string1[dem]=='#')//ki tu ket thuc truyen
{
dem=0;
}
else{
dem++;
}
}
void main()
{int x=0; 
enable_interrupts(INT_RDA);
enable_interrupts(global);
set_tris_b(0b00000000);
int dich_chu=0,toc_do_chay=0;
dem=0;
 while(1) 
{
xoa_hien_thi();//xóa vùng nho hien thi truoc
lay_font(string1);      // Write character set to matrix
for(dich_chu=0;dich_chu<=63;dich_chu++)
{
for(toc_do_chay=0;toc_do_chay<=2;toc_do_chay++)
{
b1=1;
b0=1;

b2=1;
b0=0;
b2=0;

for(m=0;m<=32;m++)
{
n=hien_thi[m+dich_chu];

n=~n;
xuat(n);
delay_us(1000);

dich();
}
}
}
}
}


void dich()
{
b1=0;
b0=1;
b0=0;
b2=1;
b2=0;
}
void xuat(unsigned char temp)
{
#bit flag_bit = temp.7//day la cai gi vay a?
b4=0;
for(i=0;i<=7;i++)
{
if(flag_bit==1)
{b4=1;}
else
{b4=0;}
b3=1;
b3=0;
temp<<=1;
}
b5=1;
b5=0;
}
void lay_font(char * textptr)
{
   int i, j;//
   BYTE pixelData[5];                     // Stores character data
   
   for(i=0; textptr[i] != '\0'; ++i ) // Loop through the passed string
   { 
      if(textptr[i] == '#')//textptr khai bao vi tri con tro
      break;
       if(textptr[i] < 'S') //ky tu nam o mang text 
         memcpy(pixelData, TEXT[textptr[i]-' '], 5);//copy 5 byte gia tri text[textptr[i]-'' vao pixeldata
      else if(textptr[i] <= '~') // ky tu nam o mang text2
         memcpy(pixelData, TEXT2[textptr[i]-'S'], 5);//copy 5 byte gia tri text2[textptr[i]-'s' vao pixeldata
      else
         memcpy(pixelData, TEXT[0], 5);   // khoang trang
    for(j=0;j<=4;j++)
    {
     hien_thi[chieu_dai]=(pixelData[j]);//hien thi tung ky tu
     chieu_dai++;
     
    }
     
       }
      }
 void xoa_hien_thi(void)
 {
 chieu_dai=0;
 for(m=0;m<=96;m++)
  {
  hien_thi[m]=0x00;
  }
 }
a giai thich gium e may lech nha a,ko e nop bai thay hoi la e died mat.voi lai a oi.sao bai cua minh no ko hien thui dc dong chu dai ak a.voi lai no hay bi mat chu lam a oi.sao ko cho no chay tu dau dong ky tu den het a.lam phien a wa.e cam on a rat nhieu ak
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