About arm bare board debugging 15309101313
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Author: arm-WinCE
What I saidArm bare board debuggingAfter the PCB Board of ARM is created, the Board that comes back from the patch does not have anyProgram, Power-on is the first
Most of this article is based on others'ArticleWith some of my own changes, I use ubuntu9.10.
First, let me explain my basic configurations:
I connected my computer to the Development Board through a vro. The IP address of the computer is 192.168.1.167. the IP address of the Development Board is 192.168.1.230, the gateway is 192.168.1.1, And the subnet mask is 255.255.0.0. Both the Development
U-boot practically porting Guide
Author: Aaron Wong Aaronwong@engineer.com
U-boot
Transplantation
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I
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Basic: Add a new target board Definition
This article uses the latest U-Boot-1.3.0-rc2.
U-bootIt supports many development boards. In its source code, each Board corresponds to a Board/Folder under the directory (Note: This is not accurate, because som
Training Report
Practical Training Questions:Video Monitoring
Purpose:1,Understand and master the principles of video monitoring;
2,Interpreting the video monitoring source program, understanding and understanding the usage and functions of various data structures in the program;
3Modify the program to enable remote video monitoring and image transmission between two remote PCs, and capture and transmit images;
4,Transplanted to the mini2440 Development B
flash, mainly reserved for use, such as later can be accessed through the application to read the/DEV/MTDBLOCK4 can be implemented to backup the entire NAND flash. . offset =0x00000000,. Size =1024x768*1024x768*1024x768,//}};; Here is the NAND Flash Setup table for the development Board, because there is only one piece on the board, so there is only a single tableStaticstructS3c2410_nand_set mini2440_nand_
Board--tpyboardv702, this board can locate, send text messages, telephone, and on-board temperature and humidity sensors, photosensitive sensors and buzzer, can DIY a lot of interesting things, below we can use this board and a pressure sensor to do a small weather station, To get a real picture:TPYBoardv702Positionin
Bo Master's first article, Hope Toto support.
1, the first is the wiring.
VCC corresponds to Arduino Development Board 5V
GND Connection Gnd
TXD Connect TX
Rxd receiving RX
GPI00 Connect Gnd (This is uploaded when used, upload must be grounded, otherwise it will cause upload failure)
Wiring is not very simple.
Attach a picture
2. Then download the Esp8266 extension library.
Open the IDE and click File--preferences, as shown in
Fill this URL into t
SQLite, a lightweight database that adheres to the acid-related database management system, is designed to be embedded and is now used in many embedded productsIt occupies very low resources, in the embedded device, may only need hundreds of K of memory is enough. It can support Windows/linux/unix and so on mainstream operating system, and can be combined with many programming languages, such as TCL, C #, PHP, Java, and ODBC interface, also compared to MySQL, PostgreSQL, the two open source worl
Label:Board-level support package Examples xgpio_example.c This file contains a design example using the GPIO driver (xgpio) and hardware * Device. It onlyuses A Channel 1 of a GPIO device. * * This example can is ran on the Xilinx ML300 boardusing the Prototype Pins * LEDs of Theboard connected to the GPIO. This file contains a design instance using Gpio drivers (xgpio) and hardware devices. It only uses a GPIO device of Channel 1. * * This example can be run on Xilinx ML300,
recently, due to the drive experiment on the TQ2440 (ARM9) board, cross-compiling is done on the host (ubuntu13.10) for the system kernel on the front target board. One, cross-compiling of the kernel: 1. Prepare 2.6.30.4 version of the kernel source package, which I use the embedded company provides kernel source package linux-2.6.30.4_20121214.tar.bz2. 2. Open Terminal Input command: Tar vxjf linux-2.6.
First. NFS Service configuration1. Set up the board IP, the same network segment2. Development Board Operation: Ifconfig eth0 192.168.1.203. Test if you can ping the pass: Ping 192.168.1.194. Test whether the board IP is occupied:On the host: sudo ifconfig eth0 down to see if the IP on the Development Board is disconne
Note: If you are using Windows, you can use HyperTerminal: Start-Programs-attachments-communications-HyperTerminalNow we install the configuration minicom under Ubuntu:1. Go to Ubuntu desktop Ctrl+alt+t open terminalInput: sudo apt-get install minicomPassword:Run: sudo minicom-s//configuration minicomSelect the first option Fienames and Paths-enterA (here Set the download path from the board to the PC to manually knock it)B (here set the file path on
The switch in the use of the process, in a dual-machine state can not run, through detection, the signal is the standby side of the circuit board is not normal.
This fault is obviously a hardware failure. First of all, we can replace the circuit board of the standby side with the replacement method. If the fault is still not gone, the real fault is not here. Racks, modules, power supply and connecti
We can see all kinds of message boards on many websites, which is one of the main means of communication between website and visitor. A reasonable design, the interface beautiful message board program can reflect the site from the side of good service, to visitors to leave a good impression, enhance the user's confidence in the site. The message board from the procedural point of view is actually very simpl
This document describes how to modify the iTOP-4418 Development Board user area size. The partition data in the document is for 16GEMMC.Uboot settingsEnter the uboot of the iTOP-4418 as shown in.Enter the command:Setenv FastBoot"Flash=mmc,2:uboot:2nd:0x200,0x78000;flash=mmc,2:2ndboot:2nd:0x200,0x4000;flash=mmc,2:bootloader:boot:0x8000,0x70000;flash=mmc,2:boot:ext4:0x00100000,0x04000000;flash=mmc,2:system:ext4:0x04100000,0x340000000; "Note that the abo
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
Core Board requirementsKernel: arm Cortex-A8Clock speed: 1 GHzSupport for Neon commandsSupport MPEG-4/MPEG2, H.264/h263, VC-1, DivX video codec 1080p @ 30fpsSupports 2D image acceleration with a maximum resolution of 8000x8000Supports 3D graphics acceleration (Power VR sgx540), OpenGL-1.1 2.0, openvg1.0Supports SD/MMC/sdio interface memory cards, up to 32 GBSupports JPEG hardware encoding/decoding, with a maximum resolution of 8192x8192.• Memory: 4 G
Source: Lithium Battery Protection Board basic knowledgeFirst, the origin of the protection plateLithium-ion batteries (rechargeable) need to be protected, it is determined by its own characteristics. As the material of the lithium battery itself determines that it can not be overcharge, over-discharge, over-current, short-circuit and ultra-high temperature charge and discharge, lithium battery components will always follow a delicate protection plate
The procedure is as follows:
1. Check whether the Board is registered within the time
2. Check whether the device is powered on
Is it in power on slot ?, Check whether null is displayed. If yes, all registered instances are powered on.
3. The system package of the backup Main Control Board is inconsistent with that of the main control board.
Display startup
The P
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