• Strange behaviour strstr() function
    Hi, I use RealView MDK-ARM 3.15b. When I call tge strstr function to search a substring in a larger string it always return NULL. This is my code char* ptr; char str1[80] ; char str2[80];...
  • 'NAN' and +/- Infinity
    In ANSI C, relative to floats and doubles, is the concept of 'not a number' and plus and minus infinity supported by named constants that you can use to test variables with to see if they do contain...
  • Strange behaviour of cache
    Note: This was originally posted on 19th November 2011 at http://forums.arm.com Hi! I have a Cortex a9 based board (currently only 1core is active another one is waiting for its time to come into a play...
  • Strange stack behaviour question.
    Hi, It's about the STM32F103. Due to my previous post my application first fills all (at that moment) free stack memory locations with a value of 0x55555555. This all works fine so does the application...
  • XPERCON strange behaviour on C167CS
    I have a software that is now stable for years on C167CR and I wanted to port it to C167CS to add a 2nd CAN controller. If in the Start167.A66 I add only the line MOV XPERCON,#0401H then the software...