fcntl()和ioctl()是用于对文件描述符进行控制的两个系统调用,它们在不同的情况下有不同的用途和功能。 fcntl()函数提供了对已 ...
1.Linux SDIO WIFI Marvell8801/Marvell88w8801(一) — 代码及文档介绍 1)ioctl,以我们上一篇文章使用的Marvell APP里面的mlanutl和uaputl.exe ...
自己写的motor_drv.c驱动,在用c写的测试程序中ioctl()调用成功,并且控制正常,于是用Qt开发应用程序,在初始化的时候调用::ioctl(),但是返回-1,失败了,难道qt中调用::ioctl()函数和在int main()程序中不一样吗? 这是motor_cmd.h #ifndef _MOTOR_CMD_H #define MOTOR_MAX_NR 8 //define ...
A few years ago, I had a laptop that I used at work and at home. To simplify my network configuration and not have to change it manually depending on where I was, I decided to use DHCP in both places.
In last month's article, we saw how the Linux input subsystem worked inside the kernel, ending with a quick mention of the event handlers. Each handler essentially provides a different user-space API, ...