• 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...
  • 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...
  • 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...
  • question about bank switch....
    i survey the C51 user's guide about code bank switch and followed step sequentially. the main problem i wonder is that at options at code BANK just had "common are, bank #0~3",is any option else, ex...