• Stuck in Startup Code (STR912FW44)
    Hello, I am starting to get into uC programming with the Keil MCBSTR9. First step was to rewrite their example Blinky using the ST Software Lib. Compiling, linking worked and so did uploading. ...
  • Stucking at breakpoint
    Hi, sometimes the debugger stucks at a breakpoint and even if I use single-step, step-over or just run the program, the PC does not change. Deleting the breakpoint does not fix the problem. I have...
  • I'm stuck with unexpected code behavior
    I'm using quite old version of Keil, 3.20. With following simple code, I get unexpected results. I believe there is some kind of code problem: xdata char msg1[]="abc"; xdata char msg2[]="def"; void...
  • SPI stucks waiting for semaphore
    Hi all, I'm trying to use the SPI interface on a STM32F407 with CMSIS, and KEIl RTX 4.74. Below you my sample code can be seen. The problem there is that within the function drv_Info->SendData(...
  • While loop stucks , freezes !
    Hello .. I am having a very weird issue with my code piece .. The MCU is STM32F407VET6 .. What I'm trying to do is sending a string via USART1 peripheral module .. In order check if the character...