stm32f4 board

Recently busy, looked at the HTML5, powerful drawing function surprised me, so, wrote a small thing---graffiti board, can realize the function: painting, colour, adjust the size of the brushHTML5 's drawings can be divided into points, lines, faces, circles, pictures, points and lines, this is the basis of all the plane effect, with these two things, there is nothing to draw out of things, only unexpected algorithms.First on the code:Html1 Bodystyle=

A few days ago released the Ligerui framework of the increase, deletion, change code, a bunch of code really do not have a picture. Some netizens recommend, all today to relate to this framework of open-source message board to share to everyone. In the process of modification may be a bit of a shortage of places to want everyone to shoot bricks.Because the message board Front desk Display page basically use

The practice of Python learningA chess board drawn with turtleImport Turtleturtle.speed a = 30# painting background turtle.up () Turtle.goto ( -10, -10) Turtle.down () Turtle.fillcolor ("Khaki") Turtle.begin_fill () TURTLE.FD (A * 8 +) Turtle.left (+) TURTLE.FD (A * 8 +) Turtle.left (A * 8 +) turtle.fd. Left (TURTLE.FD) (A * 8 +) Turtle.left (All) Turtle.end_fill () #画黑格for I in range (8): If I% 2 = = 0: #偶数行 turtle.u P () Turtle.goto (0, I

used to Dedecms friends know, DEDECMS message board, question and answer module is not a member Space module support DEDECMS commonly used tags, if you use a message board or to modify the words is very inconvenient, the electric business circle to introduce a way to let these modules to support the label, But to understand a little knowledge of PHP to modify the best, before the modification, please note t

）： In PE and other CD-ROM boot environment, the performance of the trackpad if there is discomfort, do not consider as a failure, please install the latest version of the touch plate driven by the pre-installed system to confirm. 5-Key trackpad in addition to the Touchpad Touch Board mode, there are TrackPoint mode, can be used with pointing rod small red Hat to implement the mouse key and screen scrolling function, in the Mouse property inte

To give you painter software users to detailed analysis and sharing of the Wacom Shadow extension Digital board to draw three-dimensional sculpture effect of the tutorial. Tutorial Sharing: The first step, make the outline Second Step The third step, the adjustment ratio, this is the advantage of CG. Fourth step, refinement. Sketch the final step and determine the tone

This car rendering with INTUOS3 digital board and PHOTOSHOP7 is a great effect, it pursues more realistic effect, focusing on the performance of lighting and texture, while making full use of the convenience of computer graphics, using textures and different attributes of the brush, rendering a vivid and rich effect. WACOM INTUOS3 Digital Board delicate 1024 pressure sensing technology and tilt recognition

Today we talk about using PHP to make a simple message board, first of all to analyze the message board, First step: Design the database. The second step: Set the HTML page, is the message page, The third Step: PHP processing page, save to the database. Fourth step: Message Display page. Okay, let's take a look at the first step: CREATE TABLE IF not EXISTS ' Gx_guestbook ' (' ID ' int (4) not NULL aut

Js|mysql for the message board, is to access the database, so opendata.jsp is essential. Class.forName ("Com.mysql.jdbc.Driver"). newinstance (); String URL = "jdbc:mysql://localhost/mydate?user=rootpassword=zsliuyuuseunicode=truecharacterencoding= GB2312 "; Connection con=drivermanager.getconnection (URL); Statement smt=con.createstatement (); ResultSet rs; String SQL; %> opendata.jsp; Message board must

16-bit 320*240 bitmap size of 150K bytes, and for the em-stm3210e Development Board, the RAM only 128K, far enough to display a complete bitmap, Red Bull's Development Board even if there is 256K of RAM, but the plane to heap, stack and tinyclr itself, the rest is not much. , so a full-screen bitmap must be displayed in blocks. But this brings two problems, a picture to block production, quite cumbersome,

Tags: PHP display for function interface es2017 option exit minPHP Implementation message Board function: 1 First login page: 2 Login page After completion to enter the login processing page, that is, the above submitted to the messloginchuli.php Session_Start (); // login to connect the included pages and open the session .$uid = $_post["UID"];$pwd = $_post["pwd"];Require_once "./dbda.class.php";$db = new Dbda ();$sql = "Select password from Yu

. Installation packages required to install the Yocto　　　　./scripts/host-prepare.sh3. Generate P1010RDB Module　　　　　　　　　source./fsl-setup-poky-m P1010rdbIv. Configuring cross-compilation environment and platform constructionThere are the following six compilation modes, this time we use Fsl-image-minimal first. Fsl-image-minimal:contains basic packages to boot up a board Fsl-image-core:contains common open source packages and FSL specific p

-7.5. Tar . BZ2$CD gdb-7.5/$. --program-prefix=arm-linux- $ sudo Make InstallSubsequent calls to the debugger can be done directly from the command line arm-linux-gdb;1.3 Download and use Linux version JlinkYou can use the serial number on the jlink to download the URL as follows:Http://www.segger.com/cms/jlink-software.htmlhttp://www.segger.com/cms/jlink-software.html?step=2file=JLinkLinux_450iAfter decompression, connect the development Board, run

Tags: pre man des files VSC insert mode system col refShear Board SharingThis is very important, or every time the right-click menu will be dashed.In the 用户设置 add: "vim.useSystemClipboard": true,Changes in the cursorI think this is also important, after all, in the Vscode, the status bar is relatively small.The possible values are: line, block, underline, Line-thin, Block-outline, and Underline-thin "vim.cursorStylePerMode": { "normal": "

NFS file system of Linux virtual machine on the Development Board Http://apps.hi.baidu.com/share/detail/48189956 Today, I did an experiment on embedded applications. How can I run cross-compiled applications on your host on an embedded system? Here I chose to mount the NFS file system over a network. My lab environment: The host machine is a virtual machine centos5.4 The target machine is Linux on mini2440. Here I use a crossover network cable to conn

Image signal Processing Board of dual Tms320c6678+xilinx FPGA K7 xc7k420t based on 6U VPX The integrated image processing hardware platform includes 2 blocks of image signal Processing Board, 1 blocks of video processing board, 1 blocks of main control Board, 1 blocks of power Plate, and 1 blocks of VPX ba

The development Board is used for driver testing, debugging. Perform hardware simulation, debugging and testing.The difference between different development boards is mainly in the way of burning embedded system5.2 Installing the Serial debugging tool: MinicomOK6410 Development Board can display the debug information of Linux driver output via serial communicationMinicom is to let PC and serial device commu

Performance configurationProcessor: Freescale cortex-a9 four-core i.mx6q/dual-core i. MX 6DL 1GHz processor, powerful performanceStorage configuration: standard 1GB certificate channel 32bit data bus DDR3,imx6q supports 1GB/2GB memory, supports dynamic power management standard 8GB SSD high-speed eMMC4.5 storage (batch customizable 4/16/32GB), imx6q support 4/16 /32GB Inand Storage. System: Support Android4.4 linux+qt4.8 Ubuntu12.04Hardware expansion: Core