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display amount of free heap

Mohammed Fawzy
Expert 1905 points

Hi,

I'm using TI-RTOS version "tirtos_tivac_2_12_01_33" and compiler v5.2.4 for TM4C129 controller that run on the DK129

i want to view/print the current free heap iin the runtime, so how can i do it?

i was checking the memory.c and i found the memmap() function but how can i call it? and is it propore to be used with the TI-RTOS?

Thanks,

Mohamed Fawzy

  • 0
    TI__Expert 4125 points

    Mohamed,

    When using TI-RTOS, a different implementation of malloc/free is used. To get the memory heap info, use the Memory_getStats() function:

    software-dl.ti.com/.../index.html

    #include <xdc/runtime/Memory.h>
#include <xdc/runtime/System.h>

...

    Memory_Stats stats;

    Memory_getStats(NULL, &stats);
    System_printf("%d %d %d\n", stats.totalSize, stats.totalFreeSize,
                  stats.largestFreeSize);

...

    Mark