The operating system is the core system software in the computer system that is responsible for managing various software and hardware resources, and provides a good environment for application software to run. Mastering the basic principles of operating systems and their core technologies is a basic requirement for undergraduate computer science graduates from research-oriented universities. This course is a core course for computer majors. It uses mainstream operating systems as examples and the teaching operating system ucore as the experimental environment. It teaches the concepts, basic principles and implementation techniques of operating systems, and prepares students for the research and development of operating system software and the full use of operations. System functions to lay a solid foundation for application software research and development.
The so-called IO port control is to control the port of the microcontroller to output 0 or 1, or read the status of the port, that is, input and output.Let's talk about output first. If you want the p
[i=s] This post was last edited by Bao Ge's smurf account on 2018-10-1 22:30 [/i] [size=5]To be honest, I have forgotten the date when I received the item. It was a yellow document package. When I ope
The systick interrupt cycle took some time. The cycle was 100ms, but according to the LED flashing frequency, the cycle seemed slow. Finally, it was found that the library function used the onboard ex
[i=s]This post was last edited by Yaojishanchuan on 2021-4-19 11:29[/i]We want to burn the busybox file system on the development board. We first copy the busybox image to the dhcp directory. The busy
Newly developed sub-GHz band devices have begun to use the new LORA standard. The frequency band is the same as the previous frequency band. Due to the use of a special spread spectrum modulation meth