• NVIC and ARM asm
    Cannot configure interupts of TIM6 on stm32f103 board Does my NVIC configuration wrong? Code: @ stm32f103 timer & interrupt test by laper_s (from 2019-02-02) .thumb .cpu cortex-m3 .syntax unified...
  • 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;...
  • Setting up NVIC with ISR in CortexM4
    Could you please send me a snippet of code to set up the NVIC to use an ISR & trigger the ISR ?
  • Raising priority of PendSV within NVIC when PendSV pending
    Hi, I'm trying to understand the behavior of raising (lowering numerical priority) the priority of PendSV in the NVIC of a Cortex M4 or M7 when PendSV is already pending. Below are the cases I'm grappling...
  • Coding for Neon - Part 4: Shifting Left and Right
    Chinese Version 中文版: NEON编码 - 第4部分: 左右移位 This article introduces the shifting operations provided by Neon , and shows how they can be used to convert image data between commonly used color depths...