• How to nest svc (svcall) on Cortex-M3 ?
    How to nest svc, eg void svcall_handler(){      if(smth_happened()){           asm volatile("svc #0");      } } Thanks.
  • Cortex M7 : Exception return query
    Hi I am working on Cortex M7. I am generating some interrupts and according to it my ISR is being called which I have already installed. After the execution of the ISR the PC is not returning to the instruction...
  • RTOS Design Considerations Version 2.0 - SVCall behavior question
    Hi, In RTOS Design Considerations Version 2.0 document, Section 2.2 ("SVCall and PendSV exceptions") following is mentioned. When the processor is in Secure state, the SVC exception handling sequence...
  • Cortex M7 SPI Interface Register Base Address
    Hello, I am trying to use the SPI interface on the Teensy 4.0 board which has a Cortex M7. I found the registers and there offsets in the RM0444 Reference Manual but can't find the Base Address of...
  • SRAM reading problem using FMC at STM32H743.
    Hello. I am trying to operate FMC interface in STM32H743 processor. Configuration was done using STM32cubeMX. In code, after configuration, just have a loop with reading once per second. HAL_SRAM_Read_8b...