03 interrupt configuration and critical segment (ING) of FreeRTOS

1 interrupt configuration 1.1 Cortex-M interrupt The MCU of Cortex-M kernel provides a nested vector interrupt controller (NVIC) for interrupt management. The NVIC of Cotex-M3 supports up to 240 IRQs (interrupt requests), 1 non maskable interrupt (NMI), 1 systick timer interrupt and multiple system exceptions. The access address of NVIC i ...

Posted on Sun, 05 Dec 2021 23:02:44 -0500 by moola

HAL database transplantation of learning records of Royal happiness μ COSIII

preface Real time operating system (RTOS) refers to an operating system that can accept and process external events or data quickly enough, and its processing results can control the production process or make rapid response to the processing system within the specified time, and control the coordinated operation of all real-time tasks. ...

Posted on Tue, 30 Nov 2021 08:42:30 -0500 by muitine

freeRTOS series of tutorials [Chapter 3] task management

Need to get Better reading experience My classmate, please visit I set it up Site view , address: http://rtos.100ask.net/ Series of tutorials There will be many chapters in the series of this tutorial. For the convenience of students, click here to view the contents of the article Directory list , directory list page address: https:/ ...

Posted on Sat, 20 Nov 2021 02:17:06 -0500 by mlnsharma

[STM32F429] Chapter 3 transplantation of ThreadX USBX protocol stack to STM32F429

In tutorial update: ThreadX USBX protocol stack tutorial update record post, released in the first five chapters (2021-10-11) - UCOS & ucGUI & EMWIN & embos & touchgfx & ThreadX - tough guy embedded Forum - Powered by Discuz!http://www.armbbs.cn/forum.php?mod=viewthread&tid=108546 Chapter 3    Transplant Thre ...

Posted on Mon, 18 Oct 2021 18:05:17 -0400 by johnkelly

Embedded engineers implement a simple operating system

Task and task switching in operating system 1. Why is there a task?     We often see the operating system and often have to learn the operating system. From a small white point of view, everything has its opposite things, or affairs develop step by step. Since there is an operating system, there must be software without an operating system. ...

Posted on Sun, 10 Oct 2021 09:55:59 -0400 by jwalsh