Mobile Develop

The Development Board is the main hardware device for developing and learning embedded technologies, because when Linux drives require access to hardware, they are difficult to emulate on a PC, so they need to be debugged and tested on boards with

The fifth chapter is basically how to build these two development environments, in which the Linux kernel development environment is the focus. Development Board is the development and learning of embedded technology, the main hardware equipment,

This chapter is the switch that sends data control LED lights through the Linux drive. At the beginning of the LED lights through the drive control we need to create the LED drive device files : First step: initialize the cdev with the Cdev-init

S3c64ioto be2.5Gand the3GCommunication services provide optimized hardware performance with powerful hardware accelerators including motion video processing, audio processing,2Dacceleration, display processing and scaling, and also integrates aMFC

Buzzer DriverThe buzzer is a hardware device on the s3c6410 Development Board. You can control the buzzer by writing a specific value to the register. This section will introduce the buzzer to achieve the original plow, and achieve a complete buzzer

8th . Download and compilation of Android 4.0 systemThe first preparation of this chapterAndroiddownload and compile the environment, the content is mainly divided into: PrepareAndroiddownload and compile the environment, download source code,

Creating LED-driven device filesFirst step: Initialize the Cdev with the Cdev_init functionStep Two: Specify the device number. Assign directly in code or dynamicallyStep three: Use the Cdev_add function to add a character device to the character

This chapter mainly explains the number of statistical words.Count the number of a string in a file, in fact, it can be seen in a piece of sand to find stone, someone saw a stone, in the above do Mark grep, and then remember how many marks; when

After reading the sixth chapter of this book, I Learned: Each driver in the Linux system is mapped to a file (device file/driver file), which is stored in the/dev directory. The function of the rollback function is to enable the Linux

After reading the seventh chapter of this book, I Learned:1. Linux Driver Implementation principle:The Linux driver writes data to the hardware through I/O memory, which is a mapping of the hardware in host memory that is connected to the host

This chapter mainly deals with the control of light emitting diodes.The main learning content is, write driver, create the LED drive device file: Use the Cdev_init function to initialize the Cdev; specify the device number; Use the Cdev_add function

Control Light Emitting DiodesIn this chapter we are familiar with the practice of Linux-driven development. Different experimental results have been made. So write LED drivers:1. Test the Development Board, turn on the power switch2. Create the LED

This hardware is detected in any modern operating system host that is plugged into the hardware. For example, connecting a printer to a PC via a USB port, if the operating system is Windows, displays the new device information found in the

Preface: This blog is actually want to introduce Tableviewcell sliding some "things", yesterday in the trip to GitHub saw a very interesting three-party library, simple with a feel good, a record, the second is hoping to have similar needs can be

Prior to understand the Android message processing mechanism, but the source of less to see, now the looper,handler,message these several types of source analysis of a haAndroid's message processing has three core classes:Looper,handler andmessage.

Reprint please indicate source: http://blog.csdn.net/Airsaid/article/details/51591282This article is from: Travel blog ObjectiveThe last one wrote the use of tweened animation, because of the length of the reason, the custom tween animation is

design of Atitti.atinav mobile phone navigation module1 . 1. three key navigation functions, back,menu ,home 11 . 2. Header a page header component designed to move the navigation bar at the top of the page. 11 . 3. Page Header Theme Design

iOS Development Network Chapter-get requests and POST requestsOne,get request and POST request simple descriptionCreate a GET request1 //1. Set the request path2NSString *urlstr=[nsstring

iOS Development Web chapter-Data securityA simple explanation1. DescriptionWhen developing an application, the security of the data is critical, and simply submitting the user's privacy data with a POST request is still not a complete solution to

If we just want to access the album, the work we do is very simple.1. Uiimagepickercontroller InitializationUiimagepickercontroller * Picker = [[uiimagepickercontroller alloc]init];2. Setting Properties1) SourceType attribute: The source of the data,