• RTX CMSIS osTimer not working in tickless mode
    I am seeing a bug using the osTimers when using tickless mode in RTX - essentially they are not ever firing the callback. Note I am compiling the OS v4.70 with __CMSIS_RTOS enabled. It seems that...
  • 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 ...
  • printf() causes crash before being called
    Hi, Using Keil uVision 5.11 with Cortex M4 target. I wrote a program with printf() calls. I added a fputc() & output to UART. I have now created another project with the same fputc(). If in the...
  • Static array declaration crashes application.
    Hi, I'm using Keil IDE V4.23.00.00.0. If I declare some static array in module A like: volatile static unsigned char MyArray[9] then all works fine. If I declare it like: volatile static...