• Weird behaviour of 'printf' with unsigned char
    I wrote a small program to test the behaviour of 'printf' with unsigned char. It contained just the following loop: for (i=0; i<10; i++) { printf("i = %d\n", i); } Now when I watch the serial...
  • Weird interrupt behaviour on Cortex-A8
    Note: This was originally posted on 4th April 2012 at http://forums.arm.com My current configuration is as follows: Cortex A8 with TrustZone enabled. I have both secure and normal world running. Monitor...
  • Printf weird behavior
    Hi guys, So I'm facing an annoying issue using printf in keil. The IDE does not show what I print, furthermore it just keeps printing continuously random characters like these : ™™™™úú±úy±q±ù±± ± ±...
  • generate a weird signal
    Hi, may i ask you something? How can you generate a 3 states ( +Vo, gnd -V) signal (kinda RZ signal) (of course the 200Hz pwm'ed signal is not a problem wth a 51 ...) with the following restrictions...
  • Weird optimisation compiler bug?
    Hi there, Included below is a sample disassembly output of some code I just discovered not behaving the way I think it should. Basically, it seems the compiler has determined that there is no need...