The 4418 board was developed based on the Ubuntu12.04.2 platform, and all configuration and compilation scripts were also based on this platform. If you are familiar with Linux and Android development, I believe that you will be based on the error prompts to find the cause and solve, the error is generally selected platform is missing some library files or tools, etc., otherwise, we recommend beginners to use and our consistent platform, That is Ubunt
#include "Fun board Game" write a player-operated function and a two-person board game that the computer can manipulate, which has three connected wins
Linux and Android on the x210 Development Board share a set of kernels, except that different configurations are selected during compilation!
In addition, the Linux kernel and Android kernel are all packaged into xboot. bin. You only need to press the buttons to interact with the LCD at startup.
Select Linux or android.
During debugging, we can enter the Linux system, and the Linux File System is packaged into xboot. This xboot
Invincible!
To put it b
Drawing board, drawing board what brand is good
Knowledge Point: Save the information on the View to the album.
Drawing Graphics and routes
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# Import
@ Interface FFFPaintView: UIView
@ Property (nonatomic, strong) UIColor * lineColor;
@ Property (nonatomic, assign) CGFloat lineWithed;
@ Property (nonatomic, copy) CGFloat (^ lineWithBlock )();
// Clear screen
-
The reset circuit of the stm32f411 chip in the Wang Gong's small board is as follows:In fact, this circuit is wrong, after the actual measurement, stm32f411 chip runtime reset pin is high, and in this circuit diagram, in fact, the stm32f411 chip runtime reset pin level to see the low level, according to this circuit, press the button, Will cause the level to jump to the high level to trigger the reset, however, in fact it is not so, stm32f411 reset pi
5. Installation Linux System to Development BoardCourse Requirements:1. Understand the composition and startup process of Linux embedded systems.2. Automatically burn the Linux system to NAND flash via SD card.3. Experience the LINUX+QT system.Laboratory Equipment:Software:1.ok6410 disc A, B.Hardware:1. One PC machine.2. SD card reader each one3. OK6410 Development Board set.4. A USB-to-serial line.Background knowledge:1. Qtopia Introduction:Qtopia is
the manual instructions, first check the input, output is the signal (wave type), if there is no out, and then check the IC control signal (clock) and so on, if there is the possibility of this IC bad, no control signal, traced to its former pole until the damage to find the IC.
2. Find the temporary do not remove from the pole can choose the same model. or program content of the same IC back on the top, turn to see if the improvement to confirm the IC is damaged.
3. Use tangent, borrow jumpe
Some video view address:"Video tutorial"iTOP-4412 Development Board Learning Method - for beginnersHttp://v.youku.com/v_show/id_XNzQ5MDA4NzM2.html"Video tutorial" Samsung Exynos 4412 Processor Development EssentialsHttp://v.youku.com/v_show/id_XNjIwODA0MTY4.html"Video tutorial"iTOP-4412 Development Board How to expand the different models of LCD screen http://v.youku.com/v_show/id_XNjM4NjY2NDQ4.html"Video t
How to convert CAXA electronic board and CAD data?
To meet the requirements of cross-language and cross-platform data conversion and processing, CAXA Electronic Board 2009 supports the new development of Unicode encoding and further enhances the compatibility of autocadr12-2009 data from the underlying platform. DWG data can be directly opened, edited, modified and saved, to ensure the electronic
Chip on board (COB)
Thermal conductive epoxy resin (Generally, silver-doped epoxy resin is used) to cover the placement point of the silicon wafer. Then, the silicon wafer is directly placed on the substrate surface and heat treated until the silicon wafer is firmly fixed to the substrate, then, the SI welding method is used to directly establish an electrical connection between the silicon wafer and the substrate. The bare chip technology has two ma
These two days want to try the TFTP download function under the Uboot, so to establish the Development Board and Ubuntu Network connection, encountered some problems in the middle, is recorded, lest forget.
1. At the beginning, whether the PC Ping Development Board or the Development Board ping computer, ping different;
Check the information on the Internet, said
If we are ready to assemble the computer DIY, then we first need to determine their own needs, confirm the use of computers, and then according to their own budget to determine the price of the machine. In addition to determining the price and performance of the machine, one thing we need to determine is the size of the machine. The choice of host size is mainly based on two reasons, one is to place the host space, the other is a personal preference. Some people like behemoths, some like small a
Many people should know about the short board theory, the main idea is that a cask can be filled with a minimum of a plank to decide, even if there are a lot of tall wood still cannot hold more water, short board theory in many respects are reflected, such as the dam cordon also has the shortest section of the dike decision, such as the domestic minimum consumption level, also has the lowest income of that
Today we use fireworks to make a pendulum-style bulletin board.
See the effect chart first.
1, create a new file, canvas background color selected white. Also set the canvas size slightly larger.
2, using the Fwmx2004 vector tool, draw rounded rectangle, optional one texture effect fill, as shown.
3, input text.
4, draw a small circle in the upper right and left corner of the rounded rectangle, as shown in the figure.
5,
Download Uboot,kernel,rootfs to the Development Board 1, why downloadThe so-called download, also known as burning, deployment.1.1. What is U-bootThe Bootloader of the hi3518ev200 veneer adopts u-boot.U-boot is a commonly used in embedded systems Bootloader,bootloader is a small program executed before the operating system, through which we can initialize the hardware device, establish the Memory space mapping table, thus establishing the appropriate
The new PCB file defaults to the 2-layer board, which teaches you how to set 4 layers or even more multilayer boards.
On the toolbar, click design-->layer Stack Manager. After entering the display is a two-layer board, added as a 4-layer board, usually first point top layer, then add layer, and then add layer, so it becomes a 4-layer
Environment:Development Board: Freescale 2.6 armv71, the system is read only , the only path to read and write is/TMP/SD (this is an SD card). The program is placed under/tmp/sd/transfer (instead of the run path below), and the SQL statement is saved as a file on the Development Board, and the statement character set is GBK. Server: The server is installing SQL Server 2008.Function: The program can connect
Code first published: publish. My goal is to enable my AI program to use the same algorithm to deal with the black and white games that go, Wuzi, and even played when I was a child. It does not need any chess knowledge. You just need to tell it the rules for playing chess. Our brain cells have known exactly what go is? They are just mechanical execution of their own functions, and hundreds of millions of cells stacked together will make humans play chess. The three chess boards mentioned above h
In the "can_485_module_v1.x" Hardware data compression package, provide a schematic diagram of the Cadence format andSchematic diagram of PCB, AD format and PDF format.The Linux driver for the 485 module is the "drivers/char/max485_ctl.c" file in the kernel directory, the default kernelThe driver is already included in the image.The test routine provides a "Schindler itop-imx6-minilinux-rs485_v1.x" compression package.1 Hardware ConnectionThe hardware tested in this document is two pieces of ito
Virtual Machines Select the bridge, and disable the wired and wireless network card, open the local connection, local connection properties to write as follows:The IP address is ipconfig after connecting the board with Windows cmd .the network cable of the board is best connected to the switch or router, and then connected to the computer by using another cableIf the direct
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