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Multiple definition Error

 
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agsrinivasan



Joined: 24 Sep 2008
Posts: 3
Location: Malaysia

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Multiple definition Error
PostPosted: Thu Oct 16, 2008 7:18 pm     Reply with quote

Hello all,
I am working with PIC18F4550 USB development kit and have developed code for 122x32 Lcd driver, and it's working successfully with CCS compiler. I have tried the same code with MPLAB with CCS compiler as a compiler tool. That too is working fine. I am using the Graphics.c file from Examples from the CCS compiler.

What my problem is when I try to compile the same code with PIC18 compiler in MPLAB, I got Error "Error - symbol 'FONT' has multiple definitions.
Errors : 1

I have modified the code for MPLAB libraries and functions.

This is the only one error I am facing.
Code:

const char FONT[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
                         0x00, 0x04, 0x02, 0x7F, 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 char FONT2[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};// ~

void glcd_text57(unsigned char x, unsigned char y, char* textptr,unsigned char size, short  color)
{
   int j, k, l, m;                       // Loop counters
   char pixelData[5];                     // Stores character data

   for(; *textptr != '\0'; ++textptr, ++x)// Loop through the passed string
   {
      if(*textptr < 'S') // Checks if the letter is in the first font array
         memcpy(pixelData, FONT[*textptr - ' '], 5);
      else if(*textptr <= '~') // Check if the letter is in the second font array
         memcpy(pixelData, FONT2[*textptr - 'S'], 5);
      else
         memcpy(pixelData, FONT[0], 5);   // Default to space

      // Handles newline and carriage returns
      switch(*textptr)
      {
         case '\n':
            y += 7*size + 1;
            continue;
         case '\r':
            x = 0;
            continue;
      }

      if(x+5*size >= GLCD_WIDTH)          // Performs character wrapping
      {
         x = 0;                           // Set x at far left position
         y += 7*size + 1;                 // Set y at next position down
      }
      for(j=0; j<5; ++j, x+=size)         // Loop through character byte data
      {
         for(k=0; k < 7; ++k)             // Loop through the vertical pixels
         {
            if( (pixelData[j]&(1<< k))!= 0 ) // Check if the pixel should be set
            {
               for(l=0; l < size; ++l)    // These two loops change the
               {                          // character's size
                  for(m=0; m < size; ++m)
                  {
                    GLCD_SetPixel(x+m, y+k*size+l, color); // Draws the pixel
                  }
               }
            }
         }
      }
   }
}

Sorry for long mail. I posted the same in MPLAB, but didnt get reply.
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri Oct 17, 2008 12:40 am     Reply with quote

Quote:

I have tried the same code with MPLAB with CCS compiler as a compiler tool. That too is working fine.
What my problem is when I try to compile the same code with PIC18 compiler in MPLAB

Ask the Hi-Tech compiler forum how to solve the problem.
http://forum.htsoft.com/all/postlist.php/Cat/0/Board/pic

Use Google to search their forums for the answer. Use this search string:
Quote:
site:forum.htsoft.com "multiple definitions"


It's not the job of the CCS forum to make code work on the Hi-Tech
compiler.
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