• Processor Type and compile time switches
    I am writing FLASH code that will work on both a medium and high density STM32 chip. Is there a simple way of selecting the FLASH and PAGE size in my code with out me having two versions of a header...
  • Switching a task
    can somebody kindly give me a good explanation on usage of "os_tsk_pass()". i really dont know why i cant find a valid method to pass the execution to a task of lower priority. cant use os_evt_wait_or...
  • context switch
    I am programming a simple full pre-emptive RTOS. It needs context switch. For saving contexts, is it enough to save all registers and CPSR? if tasks have local variables, and the complier uses memories...
  • --bitband compiler switch fails (very strange!!!)
    Look at this (Controller: STM32F407I, uVision 4.23, Armcc 4.1.0.894): struct __attribute__((bitband)){ unsigned int Bit1:1; unsigned int Bit2:1; }Bits __attribute__((at(0x20000100))); int main...
  • Having fun with STR9 context switch for the RealView compiler
    Hello all, If you are interested, I am working on a new personal project - an ARM9 scheduler ("Sand Storm", but the name is still volatile. It will inherit a lot from sourceforge.net/.../, however...