Global Variable in Header File, Unresolved Symbol xxxx, first referenced in ./xxx [Updated]

Hi Bora,

first of all how have you been adding the path?  Is it under the linker file include paths?  This is a typical cause of an unresolved symbol error.  Also references to library has has not been included/linked in.

Have you seen this wiki?

http://processors.wiki.ti.com/index.php/Include_paths_and_options

Best Regards,
Lisa

Hi Lisa

Thank you for your return.

My include path are shown below picture.

Hi Bora,

please have a look at the wiki and add the path in the linker->file search path area.

Best Regards
Lisa

Hi Lisa,

I've already looked at the wiki but I don't get what you mean?

I don't have lib file.

I added the path still giving the same error.

My regards..

Hi Bora,

Do these files require a library you are missing?

Best Regards,

Lisa

Hi Lisa,

I don't know if you have looked at the attached files. They just require these header files:

#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "inc/hw_can.h"
#include "inc/hw_ints.h"
#include "driverlib/can.h"
#include "driverlib/interrupt.h"
#include "driverlib/sysctl.h"
#include "driverlib/gpio.h"
#include "driverlib/uart.h"
#include "utils/uartstdio.h"
#include "stdio.h"

All of them included in my project file.

My regards..

By the way, there is something strange that when I comment all variable defnitions in my header file, the project builds with no error.

The are the variables:

extern short i;

extern char temp_h, temp_l;
extern char euler_high;
extern char euler_low;

extern char bar_gelen_veri[15];
extern char bar_giden_veri[15];

extern int euler_deger;

When I open the comments, the same erros occurred.

I really don't understand what's gonig on :/

This variables are being used in this function:

if(UARTCharsAvail(UART1_BASE))
{
     bar_gelen_veri[i] = UARTCharGetNonBlocking(UART1_BASE);
     i++;
}

if(i == 15)
{
     temp_h = bar_gelen_veri[9];
     temp_h = (temp_h >> 7);

     //UARTCharPutNonBlocking(UART0_BASE, temp);

    euler_high = bar_gelen_veri[9] ^ 0xFF;
    euler_low = bar_gelen_veri[10] ^ 0xFF;

   if(temp_h == 0)
   {
        //euler_deger = (((256 * euler_high) + euler_low) - 1); //(0.0109863);
        euler_deger = ((((256 * euler_high) + euler_low) - 1) * (0.0109863));
        euler_deger = euler_deger % 180;
   }
   else
   {
       //euler_deger = (((256 * euler_high) + euler_low) - 1) * (-1); //(0.0109863);
       euler_deger = ((((256 * euler_high) + euler_low) - 1) * (-1) * (0.0109863));
       euler_deger = euler_deger % 180;
   }

   //euler_deger = 98765;
   //UARTCharPutNonBlocking(UART0_BASE, 0x01);
   sprintf(bar_giden_veri, "%d", euler_deger);

   UARTCharPutNonBlocking(UART0_BASE, bar_giden_veri[0]);

   UARTCharPutNonBlocking(UART0_BASE, bar_giden_veri[1]);
   UARTCharPutNonBlocking(UART0_BASE, bar_giden_veri[2]);
   UARTCharPutNonBlocking(UART0_BASE, bar_giden_veri[3]);
   //UARTCharPutNonBlocking(UART0_BASE, bar_giden_veri[4]);
   //UARTCharPutNonBlocking(UART0_BASE, bar_giden_veri[5]);

   AltSatiraGec();

   i = 0;
}

Hi Lisa,

I realized that my definitions were not proper. I don't know why I did'nt realized before :)

Thank you..

Hi Bora,

glad to hear things are resolved for you.

All the best with development.

Best Regards,

Lisa