Record the previous development of the Linux file system, remember before in order to evaluate the superiority of the file system, in the use of busy to create a file system directory through a variety of file system tools to package the directory
The operation of Gpio in embedded devices is the most basic operation. The general practice is to write a separate driver, most of the online examples are this. In fact, under Linux there is a common Gpio operation interface, that is, I would like
"Only. O,. A and. So" under Linux
. O,. A,. So files are all program libraries under Linux, that is, code and data that are compiled for use by other programs
Advantages: Program modularization, easy to recompile, easy to upgrade.
Categories: static
I. Principles of implementation
progress bar is the computer in the processing of tasks, real-time, in the form of pictures to display the speed of processing tasks, completion, the amount of remaining unfinished tasks, and may require processing
Preparation: new vim tt.c file
#include
#include
#define NONE "\e[0m"
#define BLUE "\e[0;34m"
# Define RED "\e[0;31m"
int main ()
{
char buf[102];
int i = 0;
Const char* label = "-|\\";
memset (buf, ' the ", sizeof (BUF));
while
Description:
regardless of downloading, decompression, replication and so on, we can always see the progress bar this kind of thing. The progress bar in the Picture Form Visual window visually displays the computer to handle the current task the
ARM LINUX Extended Serial port
Category: Embedded
----xr21v1414 USB Turn serial port
----16c554 Bus extended serial port
For different projects, some items often need to be transferred to a serial port. There are two ways, one with USB to expand,
The SYSTEMCTL command is the System Service Manager directive, which actually combines the two commands of service and Chkconfig. I will not introduce the previous, only the new instructions, as follows:
Task
Instructions
Include header file, link database, System definition, total of the following sources specify GCC go there and find it.
Originally specified at compile time (in ~gcc/gcc/collect2.c:locatelib ()
Written in specs.
Later with-d-i-L specified
GCC
Because the git version that Centos6.5 uses yum-y install git to install is
Git--versiongit version 1.7.x
Want to upgrade to 2.10.0:
When you upgrade to install Git, it is best to install dependencies at once.Yum install-y tk zlib-devel
1, what is the kernel module.
The kernel module is a socket provided externally by the Linux kernel, which is called dynamically loadable kernel module (Loadable Kernel module,lkm) and is referred to as a module. The Linux kernel provides a modular
From the list1.c we can see that the subprocess actively requests to be tracked through Ptrace_traceme, but for a debugger it must be able to proactively track an arbitrary process rather than just debugging those processes that are actively
DubuntuDubuntu is an enhanced version created on the basis of Ubuntu Gnu/linux,It mainly provides the good support of culture and software development tools by default.Most of its packages come from Ubuntu's official software warehouse, which is
This paper mainly analyzes the single step debugging function of Ptrace
The meaning of Single-step debugging I believe that we have been very clear, ptrace_singlestep parameters can be tracked by the program to step.
Ptrace_singlestep Restarts the
Disclaimer: This article is reproduced from http://tech.soft6.com/665/16/78484.html
This article is mainly to teach you how to add OpenCV configuration to QT in the Linux environment, the author through the program code to explain to you, and attach
Ubuntu12.04 using the latest Linux kernel methods
First, the environment:
1. Virtual machine installation Ubuntu12.04 64 bits
2, use the system Linux version for Linux-3.13 (Intermediate upgrade once system)
3, the latest Linux kernel Linux-4.5.0
23. Time Synchronization
The synchronization time can be accomplished using the root command as follows:
Rdate-s time.nist.govIf automatic synchronization is required, the crontab can be automatically scheduled and executed once per hour:
Edit
Install wine
Enter the following command on the terminal:
sudo apt-get install wine
Install Source Insight with wine
Enter the following command in the terminal:
Wine ~/sourceinsight/insightsetup.exe
Note: The Sourceinsight installation package
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service