Some Intel FLASH chips (such as the StrataFlash series) support multiple partitions, that is, each partition can be operated at the same time. it should be said that this is a good feature, but it will also bring some problems, remember the original
Sbinservicecrondstart start service sbinservicecrondstop disable service sbinservicecrondrestart restart service sbinservic
/Sbin/service crond start // start the service
/Sbin/service crond stop // close the service
/Sbin/service crond restart //
Ten years ago, students with English-Chinese dictionaries were everywhere on university campuses. Today, it is replaced by an electronic dictionary, a laptop, or even a smartphone. This is an embedded translation software application.
Ten years ago,
The combination of ARM9S3C2410 microprocessor and Linux is becoming closer and closer, and has gradually been widely used in the embedded field. Currently, it is applicable to portable consumer electronic products, wireless devices, automobiles,
After using Ubuntu for a while, you will find that many kernels have been installed in the system due to automatic upgrades. for example, I have installed so many of the following, which leads to a long startup list, you must delete unnecessary
The kernel can pass a string command line at startup to control the kernel startup process, for example, & quot; letlettys2, 115200mem64M @ 0xA0000000 & quot; The console is specified as serial port 2,
The kernel can pass a string command line at
1. requirements for memory allocation in embedded systems ① fast. The real-time guarantee in embedded systems requires that the memory allocation process be as fast as possible. Therefore, in an embedded system
1 Requirements for memory allocation
1. How far is the embedded computer system from us? Such a question may make professionals laugh, because the answer is: Embedded systems have already penetrated into every corner of people's daily life,
1. How far is the embedded computer system
1. ldd is not an executable program, but a shell script. 2. ldd can display the dependency of the executable module. The principle is to set a series of environment variables, as follows: LD _
1. ldd is not an executable program, but a shell script.
Basic Environment: Host OS: Windows XP Virtual Machine: VMwareWorkstation60 virtual OS: fedora70ARM model: Hua Heng HHARM2410 step: 1. add the serial port to the virtual machine:
Basic Environment:
Host OS: Windows XP
Virtual Machine: VMware
1. support for multiple hardware platforms due to the diversity of embedded hardware platforms, fast update of CPU chips, embedded operating systems must support commonly used embedded CPUs, such as X86, ARM, MIPS, P
1. support for multiple hardware
For many Linux enthusiasts who are interested in the kernel, this article aims to introduce an entry method for interpreting the linux kernel source code, rather than explaining the complex Linux kernel mechanism.
For many Linux enthusiasts who are
Lddfullpathconmmand1. first, ldd is not an executable program, but a shell script 2. ldd can display the dependency of the executable module. The principle is to set
Ldd/full/path/conmmand
1. ldd is not an executable program, but a shell script.
2.
◆ Shell Basics 1. view the available shell2 on the computer by using catetcshells. write a shell and save it as firstscript! BinbashThisisatestecho-n
◆ Basic Shell knowledge
1. cat/etc/shells
View the available shell on the computer
2. write a shell
In the test of Linux kernel version stability, it is necessary to clearly declare and prove why the version is stable or unstable. However, the current system has not been proved and confirmed
In the test of Linux kernel version stability, it is
1 download the required files below is what I need to make the arm-gcc (uclibc) cross compiler in Cygwin environment: binutils-2149008uClibc-0927gcc-342linux-l
1. download the required files
The following files are required for the arm-gcc (uclibc)
All functions in the math_emulatec program can be divided into three parts: the first class is the interface function math_emulate () of the exception handler that does not exist in the device, and the second class is the floating point instruction
Everyone will download the source code of the program sooner or later, and then try to compile it. If you are a loyal follower of RedHat or Debian, you will eventually find that a program is neither too old nor too new.
Everyone will download the
Install freeglut or mesa first. Take freeglut as an example. after installation, gluth will appear in usrshortdegl and libgluso will appear in usrlib. if not, copy it yourself.
Install freeglut or mesa first.
Take freeglut as an example. after
I think of them after being bored with repetitive work. I hope they will be useful to everyone. The following are two tips about kernelimage: 1. create a symbol-link to point to your fixed
I think of them after being bored with repetitive work. I
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