• Armv8-M Hangs on Non-secure Interrupt Handler Exit

    Hello,

    On exiting non-secure interrupt handler, armv8-M cm33 gets in a bad state and hangs.

    I think what's happening is, on exiting non-secure handler, cpu try to restore state from a secure area, I see "sec_err_irq_mpc" fires right after non-secure irq…

  • EXTI interrupt handler not trigger for stm32f446re

    Hi,

    i'm newbie , i want to know why my code doesn't work , my coding is about external interrupt is not trigger

    EXTIx_IRQHandler not trigger for coding in the uvision5 , but the same code i'm done with stm32cobeMX that is generated is work fi…

  • TM4C123 UART1_Handler

    Hi All;

    I'm using uvision compiler. Below A portion of my code regarding UART1 RX interrupt.

    I was using reading flags. I want to use interrupt.

    I didn't get an interrupt. What is wrong?

    #define UART_INT_EN *((unsigned long int *)(0xE000E100…

  • Debug an INVPC exception

    Hi. I have an INVPC exception that I am trying to debug on a Cortex M4 STM32. The stack contains the following values:

    0x08003555 xPSR
    0x08006824 PC
    0x08006824 LR
    0x00000000 R12
    0x08003341 R3
    0x08006824 R2
    0xFFFFFFFD R2
    0x0000FFFF R0

    The PC and LR both point…

  • selected processor does not support `cpsid i' and `cpsie i' in arm mode.

    hi everyone,

    i'm new with ARMprocessor and dont know too much about DS-5. just alittle bit from my Softwares >>> SoC EDS 17.1 (from Altera)  - DS-5 5.28 and my OS is Windows 10. I am using DS-5 for my SoC FPGA (DE0_Nano_SoC) Altera, which…