字符设备是 Linux 驱动中最基本的一类设备驱动,字符设备就是一个一个字节,按照字节流进行读写操作的设备,读写数据是分先后顺序的。比如我们最常见的点灯、按键、 IIC、 SPI,LCD 等等都是字符设备,这些设备的驱动就叫做字符设备驱动。 在详细的学习 ...
I have previously covered obtaining and installing Ubuntu Linux, and this time I will touch on desktop and server installations. Both types of installation address ...
In the Linux environment, the file system acts as a backbone, orchestrating the systematic storage and retrieval of data. It is a hierarchical structure that outlines how data is organized, stored, ...
Almost all Linux kernel device drivers work on more than just one type of processor. This only happens because device-driver writers adhere to a few important rules. These rules include using the ...