The humble standalone serial terminal might be long gone from the collective computing experience, but in the ghostly form of a software virtual terminal and a serial converter it remains the most ...

本文章主要讲下蓝牙串口协议SPP（Serial Port Profile）连接/接受数据/发送数据/断开连接的流程介绍，可能之前的写的底层文章你 ...

Typewriters are something which was once ubiquitous, yet which abruptly faded away and are now a rare sight. There was a period of a few years in which electric typewriters and computers existed ...

Managing large numbers of Linux and UNIX systems takes a lot of organization, automation and careful use of technology. A significant chunk of one's time as a system administrator is spent building ...

In Part I of this article, I briefly mentioned the generic USB driver in the context of getting a USB device to communicate through it easily, with no custom kernel programming. Unfortunately, I ...