• context switch stops
    I have a simple test project running under RTX. One task is using I2C bus. Whenever for testing purposes I'm unplugging one of the I2C wires RTX doesn't want to switch context even running through os_tsk_pass...
  • Context Switch- RL-ARM
    Hello, i am starting to work with RL-ARM for CortexM3, and i have checking the manual. I miss more info about the context switch in CortexM3 using the RL-ARM. Another operating systems use the PendSVHandler...
  • Saving context before a switch
    Hello, I am working with an xc167. Currently I use a round-robin schedular, but I want to write my own preemptive schedular. I have browsed through the user manual, but it is still not 100% clear to...
  • A question about context switching
    Hello, There is an issue related to context switches that I do not understand. I have written the most simple interrupt handler: void foo() interrupt 0x20 using f_regs { } The generated assembly...
  • 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...