• Store the value of PC to Memory address
    I want to store the value of Program Counter(pc) to a memory location. I did this, LDR R1, =[0x20000000] STR R15, [R1,#0] I got an error saying, "Error: r15(pc) not allowed here -- `str R15,[R1...
  • Use case of .cantunwind in ARM asm?
    Hi Experts, What is the actual use case of .cantunwind keyword in ARM asm? Is there any illustrations available on usage of same ? Regards, techguyz
  • cmsis NVIC question.
    Hello, Everybody. I have several questions. 1. Please See the NVIC_Type structure. I don't understand about why ISER,ICER,ISPR and ICPR use size of array 1( I think It can use just __IO uint32_t ISER;...
  • How I work MPS2 with Quaertus
    Hello everyone I have Cortex-M3 Design evaluate and bought the V2M-MPS2 + motherboards. But I do not know where to start to work on a model from the Quartus programmer You can support me...
  • Is Thumb to ARM mode overhead
    Hi all, Consider high priority routines are executing in ARM mode and low priority in Thumb mode. There could be constant switching between ARM and THUMB mode. In this inter-working model is there any...