Mail: bookworepeng@Hotmail.com
QQ: 196568501
Author: drivemonkey
Undertake various embedded outsourcing projects (phone: 13410905075)
Two tools are available for Linux to debug gpio.
Dubugfs
The other is the gpio driver framework of
Mail: bookworepeng@Hotmail.com
QQ: 196568501
Author: drivemonkey
Problem:
Run "Echo 117>/sys/class/gpio/export". The gpio117 file cannot be generated in the gpio directory.
Debugging process:
Step 1:
When printing information is set
In the development of network programs, protocol interaction between the server and the client is inevitable. Due to the differences between the client and the server platform (possibly windows, android, and linux ), communication packets are
Aria2 is a new command line download tool I learned today. It is definitely better than wget although it has not been thoroughly studied.
Aria2 is next in Linux.High-speed download Tool. Because it has a multipart Download engine, it supports
1. Get the source code for Kernel Transplantation
Http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.32.2.tar.bz2
2. decompress the kernel source code
(1).bzip2-d linux-2.6.32.2.tar.bz2
(22.16.tar-xvf linux-2.6.32.2.tar
3. Modify the Makefile in
1. First check whether Samba is installed. Command: rpm-Qa | grep samba
The following package indicates that the package has been installed; otherwise, the package is not
The following steps will enable the use of dnw + minicom to write uboot in linux.
1. Install minicom
: Http://download.csdn.net/detail/king_bingge/5816137
1. Run the rpm-ivh minicom-2.1-3.i386.rpm to execute the installation.
2. Execute the command
1. What is cygwin?
Cygwin is a linux Simulation Environment running on the windows platform, which is cygnusThe free software developed by solutions (the company has developed many good things, famous for its ecos, but has now been acquired by
From: http://hi.baidu.com/iblogiam/item/9a608ae2357fbfa8c10d75db
Limuscle: The following operations are feasible and have been tested.Linux 2.6.22.19 porting to S3C2410 (GEC2410): LCD Driver porting
Linux 2.6.22.19 porting to S3C2410 (GEC2410):
1. Standard Input and Output
We know that when executing a shell command line, three standard files are automatically opened, namely, the standard input file (stdin), which usually corresponds to the keyboard at the end, and the standard output file
I saw the add_timer function today. The comment says this is a problem. I took a closer look and found it a problem.
I fixed it myself. Please take a look. I changed the red part. However, it seems that free_timer is still a problem.
The source code
1. Please recommend some good Linux kernel reference books?A. Linux Device Drivers, Second Edition, with Chinese TranslationsB. Understanding the Linux Kernel, 2nd EditionC. Linux kernel source code scenario analysis,
First, use usleep (1000 * seconds);
Today, because of this function, it takes a lot of time. Every time you use this function, this will always happen. You can check the code online, use it, forget it, and NND it.
Today, I saw a brother's experience
Question:
Recently, the project needs to monitor the disk space on the storage server, and finally decides to use Telnet to send the system command/shell, and then parse the system to return the disk information. In this process, I have a certain
In-depth Linux LILO
Null Jiang yongzhong
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In-depth Linux LILOAuthor: Jiang yongzhongLinux boot can adopt multiple methods, and its Loader LILO (Linux Loader)Is a flexible boot loader, compared with other commonly used boot
[ENews news] on Friday, Microsoft chairman and chief software designer bill. gates said at a conference at the computer history museum that he was not worried that Linux could eat into the Windows market.
In his speech, Gates briefly mentioned
ZDNet China news from his recent blog (http://blogs.sun.com/roller/page/jonathan/20040901#innovation_is_not_a_threat) experience, Sun operating officer and President Jonathan Schwartz has something to worry about him: the outside world gradually
LinuxAID.com.cn site latest information: Free Standards Group (FSG) and Open Source Development Labs (OSDL) recently jointly announced that they will cooperate, to promote software vendor development and application compliance with standard Linux
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