The well known /sys/class/gpio interface has been around since version 2.6.27 of the kernel – way back in 2008. It provides an easy to use, file-based means of accessing GPIO from user-space. In the embedded Linux space it’s commonly used by applications…

上一集 我们实现了 Chromium 的自动下载，这集把 Chromium 跑起来，实现远程控制。你…

Kiosk mode configuration and instructions using Sway and Plymouth. - zerodays/linux-kiosk-mode

No browser’s devtools allow you to export or import a IndexedDB database. But you can invoke dexie and dexie-export-import on any page and…

最近的一篇工作里面需要频繁的从网络forward path中提取中间结果，因为ncnn比较好魔…

还是上次那个工作，不知道的同学可以看看上次的文章下面的，当然，如果没看过，一定…

Detailed explanation on how RISC-V boot process works and what role SBI has in the RISC-V software stack. Concrete example with OpenSBI.

本人之前正在学习清华大学的uCore操作系统教程，正好看到Milkv-duo这块Riscv开发板，正好可以用来提供一个真实的硬件环境来运行自己写的操作系统程序。 根据芯片的官方文档，CV1800b 在启动时会在 FAT32 分区中寻找 fip.bin 文件，引导其中的 bl2->opensbi->uboot，uboot 再去引导 boot.sd。 最开始我想的是将自己的 kernel 替换 uboot（即放在 LOADER_2ND 的位置），直接从 opensbi 跳转进来，但在编译 fip.bin…

I just started using c++ bindings of libgpiod library and have problem with settings gpios. I know, that I can create long vector of values, and apply it in all at once, but I would like to be able...

Yet Another Programming Blog :-)

this has been bugging me all day. When a program sets itself up to call a function when it receives a certain interrupt, I know that the registers are pushed onto the stack when the program is

This article dives into the depts of the Linux Kernel's watchdog and how it handles soft and hard lockups.

I was reading Critical Section Problem from Operating System Concepts by Peter B. Galvin.
According to it

1) Progress is : If no process is executing in its critical section and some processes wi...

I try to understand the difference between the congestion window and the receive window.
As I understand it, the receiver window is a buffer where the receiver can get the packets. The same is true...