Ca nha giup e voi.e dang can gap

**hung06071989** · 14-09-2012, 10:04 AM

E DANG LAM DE TAI VE PIC 16F877A.LA HIEN THI DOAN CHU LEN LED MA TRAN.PHAN HIEN THI DOAN CHU THI E DA LAM DUOC.NHUNG THAY BAT PHAI KET NOI VOI pc DE THAY DOI DONG CHU DO KHI CAN.DUNG TRUYEN THONG RS232.NHUNG E KHONG BIET VE TRONG PROTUES THE NAO.E DUNG PHAN MEM PROTUES MO PHONG.XAI CODE TRONG CCS.MONG MOI NG GIUP E AK.VA E GUI BAI CUA E CHO MOI NGUOI XEM AK

**tdm** · 15-09-2012, 04:20 PM

Trích:

Nguyên văn bởi hung06071989

E DANG LAM DE TAI VE PIC 16F877A.LA HIEN THI DOAN CHU LEN LED MA TRAN.PHAN HIEN THI DOAN CHU THI E DA LAM DUOC.NHUNG THAY BAT PHAI KET NOI VOI pc DE THAY DOI DONG CHU DO KHI CAN.DUNG TRUYEN THONG RS232.NHUNG E KHONG BIET VE TRONG PROTUES THE NAO.E DUNG PHAN MEM PROTUES MO PHONG.XAI CODE TRONG CCS.MONG MOI NG GIUP E AK.VA E GUI BAI CUA E CHO MOI NGUOI XEM AK

tham khảo tại đây:http://www.picvietnam.com/forum/showthread.php?t=9261

**hung06071989** · 17-09-2012, 10:22 PM

a oi.e da xem bai cua e gui cho e.e copy ve.va sua lai.va lam theo nhung gi a huong dan.nhung no khong chay.a giup rui giup lai gium e nha

**hung06071989** · 19-09-2012, 07:31 PM

giup e voi a oi

**tdm** · 19-09-2012, 09:29 PM

Trích:

Nguyên văn bởi hung06071989

giup e voi a oi

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>
#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);
unsigned char bi,temp,chieu_dai=0;
unsigned char hien_thi[96];
char string1[18]={"tdm_012635587xx"};//thay đổi 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);
void xoa_hien_thi();
#INT_RDA
void ngat()
{
mang[dem]=getc();
if(mang[dem]=='#')
{
flag=1;//co ngat
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;
 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
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;
  }
 }

em hiểu ct viết ở trên như thế nào ,để anh biết còn hướng dẫn.

**hung06071989** · 20-09-2012, 10:16 AM

theo e hieu thi chuong trinh cua a la nhap chuoi ky tu.rui chuoi ky tu nay duoc truyen qua pic va pic so sanh voi cac ky tu trong mang char va hien thi ra led ma tran dung ko a.do e moi hoc mon nay.voi lai hoc mon he thong nhung nay ga lam.co gi a chi bao cho e ak.t7 nay e nop rui.xin a giup gium e ak.cam on a rat nhieu ak

**tdm** · 20-09-2012, 09:35 PM

Trích:

Nguyên văn bởi hung06071989

theo e hieu thi chuong trinh cua a la nhap chuoi ky tu.rui chuoi ky tu nay duoc truyen qua pic va pic so sanh voi cac ky tu trong mang char va hien thi ra led ma tran dung ko a.do e moi hoc mon nay.voi lai hoc mon he thong nhung nay ga lam.co gi a chi bao cho e ak.t7 nay e nop rui.xin a giup gium e ak.cam on a rat nhieu ak

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>
#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);
unsigned char bi,temp,chieu_dai=0;
unsigned char hien_thi[96];
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);
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
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;
  }
 }

**hung06071989** · 21-09-2012, 11:11 AM

Trích:

Nguyên văn bởi tdm

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

**tdm** · 21-09-2012, 10:08 PM

Trích:

Nguyên văn bởi hung06071989

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

#include <stdlib.h> dòng này dư bỏ đi đỡ phải giải thích với ông thầy.
ram không đủ nên chỉ được 19 ki tự.
không có chuyện mất chữ.

**hung06071989** · 22-09-2012, 09:42 PM

unsigned char hien_thi[96];//tai sao day la so 96?thay doi so khac dc ko a?

**tdm** · 23-09-2012, 12:06 AM

Trích:

Nguyên văn bởi hung06071989

unsigned char hien_thi[96];//tai sao day la so 96?thay doi so khac dc ko a?

em online bằng gì mà không viết chữ có dấu.
với dòng pic 16 ccsc chỉ cho khai báo mảng tối đa là 96 byte.
em có thể thay đổi số khác nhung nhỏ hơn 96.
nếu muốn hiển thị nhiều hơn dùng dòng pic 18 .

**hung06071989** · 23-09-2012, 04:15 PM

e cám ơn a ak

**nhiot081290** · 08-11-2012, 12:55 AM

mặc dù đọc hiểu ý của bạn nhưng bạn post bài thì nên chú ý đến cảm nhận của người đọc.
bạn viết không dấu thế này không ổn rồi.
có chắng nên suy nghĩ lại....

08-11-2012, 12:55 AM	#13
nhiot081290 Đệ tử 2 túi Tham gia ngày: Sep 2010 Nơi Cư Ngụ: Hồ Chí Minh Bài gửi: 32 :	Ôi tiếng việt không dấu mặc dù đọc hiểu ý của bạn nhưng bạn post bài thì nên chú ý đến cảm nhận của người đọc. bạn viết không dấu thế này không ổn rồi. có chắng nên suy nghĩ lại.... __________________ Hãy cho để được nhận

19-09-2012, 07:31 PM	#4
hung06071989 Nhập môn đệ tử Tham gia ngày: Feb 2012 Bài gửi: 9 :	giup e voi a oi

20-09-2012, 10:16 AM	#6
hung06071989 Nhập môn đệ tử Tham gia ngày: Feb 2012 Bài gửi: 9 :	theo e hieu thi chuong trinh cua a la nhap chuoi ky tu.rui chuoi ky tu nay duoc truyen qua pic va pic so sanh voi cac ky tu trong mang char va hien thi ra led ma tran dung ko a.do e moi hoc mon nay.voi lai hoc mon he thong nhung nay ga lam.co gi a chi bao cho e ak.t7 nay e nop rui.xin a giup gium e ak.cam on a rat nhieu ak

22-09-2012, 09:42 PM	#10
hung06071989 Nhập môn đệ tử Tham gia ngày: Feb 2012 Bài gửi: 9 :	unsigned char hien_thi[96];//tai sao day la so 96?thay doi so khac dc ko a?

23-09-2012, 04:15 PM	#12
hung06071989 Nhập môn đệ tử Tham gia ngày: Feb 2012 Bài gửi: 9 :	e cám ơn a ak