• Duration:10 minutes and 12 seconds
  • Date:2020/03/29
  • Uploader:木犯001号
Introduction
Character device is one of the three major types of devices in Linux system, and it is also the most widely used type of device. This chapter will focus on character devices to explain the writing, compilation and use of character device drivers.
Unfold ↓

You Might Like

Recommended Posts

What should I do if an error occurs when writing a string to a file under CE?
I want to write some strings to a file in CE, but an error occurs when writing. I used this code to work well in WIN32. CFile::modeCreate | CFile::modeReadWrite); CString code; code.Format(L"P0%d X%f,
tanrui8765 Embedded System
Online debugging problem!
Brothers who have used Wanlong's development board, is online debugging possible? Let's exchange ideas!
yuni97 Embedded System
How to realize the anti-disassembly function? ? ? ?
I have a small instrument that needs to have an anti-disassembly function, and it will alarm if it is illegally disassembled. The mechanical design requires a separate mold, which is a bit expensive.
gf0608 Embedded System
I would like to ask for advice on controller parameter design of single-phase H-bridge converter with lcl filter
[i=s] This post was last edited by bszl on 2018-3-22 09:55 [/i] At present, I can only think of normalizing first and then using PI control, and maybe PR phase lock or something. . Then I won't be abl
bszl Analog electronics
Circuit module analysis
[i=s] This post was last edited by jplzl10000 on 2017-2-7 18:02 [/i] As shown in the figure. The T-signal on the far left of the figure is an external input, which may be a PWM input signal with a fix
jplzl10000 MCU
The problem of MSP430F149 outputting PWM to control the servo...
Well, I'm a newbie... Today I got a servo from a classmate and wanted to play with it... I used 149 and selected XT2 with 8M for SMCLK and smclk with three-way frequency up-counting for TA. So the fre
yc_2503 Microcontroller MCU

推荐文章

Recommended Content

Circuit

可能感兴趣器件

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

About Us Customer Service Contact Information Datasheet Sitemap LatestNews


Room 1530, 15th Floor, Building B, No.18 Zhongguancun Street, Haidian District, Beijing, Postal Code: 100190 China Telephone: 008610 8235 0740

Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号