RE: Call function from gdb at breakpoint?

Håkon Alseth — Fri, 04 Aug 2017 09:01:19 GMT

Hi,

I just tested this with gcc-arm-none-eabi-6_2-2016q4 on the blinky example. I added this function which blinks with 1 sec delay instead of 500 ms:

void test_function(void)
{
    for (int i = 0; i < LEDS_NUMBER; i++)
    {
        bsp_board_led_invert(i);
        nrf_delay_ms(1000);
    }    
}

Remember to run this function once before entering while(1) loop to ensure that gcc does not dump it.

arm-none-eabi-gdb _build/*.out 
(gdb) target remote :2331 
(gdb) load 
(gdb) mon reset 
(gdb) c 
<break somewhere in your code once the 500 ms routine starts, using CTRL+C> 
(gdb) call test_function()

It is very important that you add the parentheses when calling "call func()". Once it is finished calling the function, it will go back to a halted state.

Happy debugging! Cheers, Håkon