Linux driver-LED Drivers _ 1, linuxled_1
Steps:
1. Framework
2. complete hardware operations:
A. view the principle diagram and pins
B. Check the 2440 manual.
C. write code: ioremap is required for the IO port.
My board sub-circuit is as follows:
1,
Android Killer-Android decompilation tool and androidkiller --Android KillerA friend wrote a tool that is easy to use and sent here for beginners to learn and use. For more information, see the following description.Android Killer is a visual
Android measurement unit, android measurement unit
Unit
Note
Px (pixels)
Each pixel corresponds to a point on the mobile phone, and the length indicated by 1 px on different devices is not necessarily the same
Screen
Mac and mac lipsticks
After upgrading Mac to 10.10, we found that the file path has changed. You cannot copy it directly, as shown below:
I felt a little inconvenient. I tried to summarize the two methods to easily obtain the corresponding
Classic Loading animation and classic loading0. traditional chrysanthemum Loading AnimationIf you are still using chrysanthemum as the Loading animation as a programmer, it's time to change your taste. Let's take a look at five good Loading
Android interview is required to ask about event distribution of a View, and Android view event Distribution
I really want to prepare many things for the interview. In fact, I think it is difficult for a programmer to become a programmer. It is
Android imitation recording function and custom control design skills
Welcome to my Android Development Group [257053751]
Recently, as a recording function is required (/James quietly revealed that don't tell Sweet Potato, that is, the new version
My 2014 and my 2014 CompositionsWork:In September February this year, the company fully transformed the mobile game project and I became the main project. I also remember that I went back to Harbin last year to chat with my friends and said that if
Kodak will launch Android smartphones in 2015. Kodak android
Kodak has announced that the company has authorized its brand to be used on multiple mobile devices, and Kodak will help these products print and share photos more conveniently. Kodak's
Install git in ubuntu and use the git server provided by CSDN to manage the project code.
1. Install the git Client
Sudo apt-get install git
2. Set the user name and email
Git config -- global user. name "XXXX"
Git config-global user. email
Android graphics status Combination Application (Note), android graphics
Purpose: To create a button that has different shapes
In the res drawable-hdpi leleft.pngand the status picture rigth.png.
Drag the image file to the created folder
Unity game development-Custom Event test demo, unitydemo
In the previous article, we wrote the unity game development custom message event. Click to open the link.
The following is a test demo.
First, punch in unity, create a new scenario, and then
Write a bare-board program under the arm program from scratch.
Write a bare board program under the arm from scratch. our entire program runs based on uboot. we can use printf in uboot for output. The standard output of the default development
Cocos2d-x 3.2 Monopoly game project development-Part 2 improve the role walking experience, cocos2d-x Project Development
Before obtaining the number of random steps, a friendly prompt should be provided to the player indicating which role to start
Android FM module learning-source code parsing-Methods for saving the FM Module
What I want to share today is the storage method of the FM module, namely, FmSharedPreferences. java.
FmSharedPreferences (Context context) loads the Load () method in
Your Android application does not require that many permissions.
The permissions of the Android system are a bit confusing from the user's perspective. Sometimes you only need to edit the contact information in some simple ways, but you have
Android Studio development tips
Key-bit ing of Android Studio
Android Studio provides different key-bit ing, that is, the ing between the shortcut key and its corresponding operations.Settings-> Keymap"Menu to view the currently used key-bit
Measure and summarize the low-power consumption -.
It is very important to achieve ultra-low power consumption of the CC2541:
Let's summarize the implementation methods:
1. When a timer is running, it will always run at PM2 and the current is
Implementation of the cpu usage curve of android !, Android Curve
Recently, I made an effect: Add "about mobile phone" in the mobile phone settings to display the cpu usage curve of the current mobile phone! Shows the implementation result:
The
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