Here are a few ways the Raspberry Pi outperforms desktops and laptops, from tiny power draw to safe sandboxes for ambitious ...
在Linux中,可以对GPIO进行相关的控制,具体的做法就是利用字符设备驱动程序对相关的gpio进行控制。由于操作系统的限制,在Linux上又无法直接在应用程序的层面上对底层的硬件进行操作。本文主要通过一个点亮红外灯的实例,再次理解Linux下的应用程序与驱动 ...
[导读]在传统的Linux驱动开发中,C语言一直占据主导地位。然而,C语言由于其内存管理的不安全性,容易导致诸如缓冲区溢出、空指针引用等安全问题,这些问题在驱动开发中尤为致命,因为驱动运行在内核态,一个小小的漏洞就可能引发系统崩溃或被攻击者 ...
Abstract: Using embedded Linux in real-time distributed systems is a common practice today as implementation of complex artificial intelligence (AI) and network functions is substantially simpler than ...
if (!try_module_get(chip->owner)) // 该函数用于增加模块使用计数;若返回为0,表示调用失败,希望使用的模块没有被加载或正在被 ...
A huge chunk of Linux users are primarily software developers, enthusiasts, and people just getting started with Linux. A common piece of software these users need is a text editor to view, write, or ...
Linux has emerged as a preferred platform for Android app development due to its stability, security, and the extensive range of tools and libraries available. This guide will walk you through the ...
static int s3c2410_i2c_ioctl(struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg) 底层代码 你好! 这是你第一次使用 Markdown编辑器 所展示的欢迎页。如果你想学习如何使用Markdown编辑器, 可以仔细阅读这篇文章,了解一下Markdown的基本语法知识。