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 ...

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 ...