• osTimer causing application to crash
    I started with RTX_ex2 and got it running on an STM32F3Discovery board with uVision V5.10.0.2 Then I ported this example to a Makefile based project that builds with gcc 4.8 downloaded from here: ...
  • malloc causes crash
    hi there, I'm developing a C program for an embedded device in order to use it as a pad which is able to recognize handwriting. In short, the program is supposed to extract several features of the...
  • using mailboxes or semaphores causes crash
    Hi, if I make any calls to mailboxes or semaphores, my application crashes. I can't even debug what happenned, all I get is "Could not stop ARM device!". If I comment out the calls to mailboxes ...
  • check space before tcp_get_buf call
    I use the RTX TCP/IP stack with limited RAM. So the memory pool for the stack is very limited. To protect my application form running out of memory (a call to sys_error() ) I will now the available size...
  • SVC calls causes an exception
    Hello Cortex M3 experts, I have a FreeRTOS task that runs in Thread/unprivileged mode. When that task tries to execute a SVC instruction, I get a hard fault. But if the task is launched in privileged...