Developing device drivers in c

 · For Linux, you might look into picking up the O'Reilly Linux Device Drivers book or reading PDFs online. In my opinion, it is one of the better texts around on the subject. The Linux Kernel Module Programming Guide is another good resource. You may also want to pick up a Reviews: 8.  · I added subtitles in this video, you can turn on CC if you don't recognize my www.doorway.ru and WDF:www.doorway.ru  · Kernel programming is very different from system programming is very different from device driver programming. Kernel developers focus on interfaces, data structures, algorithms, and optimization for the core of the operating system. System programmers write daemons, utilities, and other tools for automating common or difficult tasks.

static int device_file_major_number = 0; static const char device_name[] = "Simple-driver"; int register_device(void) { int result = 0; printk(KERN_NOTICE "Simple-driver: register_device() is called. "); result = register_chrdev(0, device_name, simple_driver_fops); if(result driver: can\'t register character device with error code = %i ", result); return result; } device_file_major_number = result; printk(KERN_NOTICE "Simple-driver: registered. Device drivers use the interfaces and data structures written by the kernel developers to implement device control and IO. A very good kernel programmer may not know a lot about interrupt latency and hardware determinism, but she will know a lot about how locks, queues, and Kobjects work. Start here to learn fundamental concepts about drivers. You should already be familiar with the C programming language, and you should understand the ideas of function pointers, callback functions, and event handlers. If you are going to write a driver based on User-Mode Driver Framework 1.x, you should be familiar with C++ and COM.

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