CCS/TM4C1294NCPDT: TM4C1294NCPDT

Hi,

  Did you have a chance to run the TI-RTOS UDP example. See below. When you run this example, do you see the same unresolved symbol message after you call the Board_initEMAC()?

We don't have any example on sending packets in JSON format. I hope you can so some Google search on this. 

  Which debug probe do you have? If you are manually launching a debug session then you will need to connect to the target prior to loading a program.

Hi Tsai,

We have already run the example code of 'UDP_echo' and It's working fine.

But if we call function "Board_initEMAC()"  function in our project, it shows the above-mentioned error.

     We are using "XDS110 USB Debug Probe_0/CORTEX_M4_0" to debug.

Hi,

  The UDP_echo also calls the Board_initEMAC() in the beginning of the main. Please see below. If you were to start your project using the UDP_echo as a starting reference, will you see the same message? 

int main(void)
{
    /* Call board init functions */
    Board_initGeneral();
    Board_initGPIO();
    Board_initEMAC();

    /* Turn on user LED */
    GPIO_write(Board_LED0, Board_LED_ON);

    System_printf("Starting the UDP Echo example\nSystem provider is set to "
                  "SysMin. Halt the target to view any SysMin contents in"
                  " ROV.\n");
    /* SysMin will only print to the console when you call flush or exit */
    System_flush();

    /* Start BIOS */
    BIOS_start();

    return (0);
}

About the XDS110 message, there is a similar question in the below post. Can you please follow the suggestion by Desouza from our CCS team? I will also suggest you manually create a target configuration file that is not located in your workspace and manually launch the target configuration to connect to the target and see if that makes a difference. 

https://e2e.ti.com/support/microcontrollers/other/f/908/p/814395/3014354?tisearch=e2e-quicksearch&keymatch=Target%20must%20be%20connected%20before%20loading%20program.#pi320995=2 

Kashif Khan said:

3. Some times we face a common issue related to CCS IDE. When we take the backup of a project in the same workspace and try to debug( or load the program in the device), shows an error :

?

1	Texas Instruments XDS110 USB Debug Probe_0/CORTEX_M4_0 : Target must be connected before loading program.