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The PWM,PWM driver can be opened and stopped by having an I/O command consisting of 3 files: pwm.c, Pwm_fun.h, pwm_fun.c. Where PWM.C is the driver main program. Pwm_fun.h refers to the corresponding header file and defines some macros. The Pwm_fun.c file contains two functions (Pwm_start and Pwm_stop) that open and stop the PWM. After running, from the contents of the makefile file, the compiler first compiles the PWM.C and pwm_fun.c files into PWM.O and PWM_FUN.O, then links the two *.o files
situation#作者是将 Linux source Copy to the directory/home/topeet/android4.0 and unzip theKdir: =/home/topeet/android4.0/itop4412_kernel_3.0#当前目录变量PWD = $ (shell pwd)#make naming by default looking for the first target#make-C refers to the path where execution is invoked#$ (kdir) Linux source directory, author here refers to/home/topeet/android4.0/itop4412_kernel_3.0#$ (PWD) Current directory variable#modules the action to performAllMake-c $ (Kdir) m=$ (PWD) modules#make clean does this by removing
= " // Print requested verb, URL and version... adds information from the request. Strresp + = "HTTP Method:" + request. httpmethod + " "\" Strresp + = "amount of data received ed in message body:" + totalbytesreceived + " Strresp + = "data of message body is discarded (if there is no filesystem). Please review HTTP Server Sample Code to add processing of data "; Strresp + = " Response. statuscode = (INT) httpstatuscode. OK; Byte [] messagebody = encoding. utf8.getbytes (strresp ); Response. c
First, Introduction HyperTerminal is a universal serial interaction software with Windows operating system, which can be configured for router switches and so on. Use a modem, a 0-demodulation cable, or an Ethernet connection, and then call this program to connect to other computers, Telnet sites, bulletin board systems (BBS), online services, and hosts. We can use it to debug the circuit is feasible. Embedded De
Continue to drive learning based on the progress of the previous article ....... Main references: http://blog.csdn.net/dg1683wen/article/details/6861044 First, build the kernel source code tree. I am using the friendly arm comes with Linux source code: linux-2.6.35.7-20120912.tgz First copy the kernel source code linux-2.6.35.7-20120912.tgz to the Ubuntu system directory/home/liuhui8989/linuxshare Unzip: Tar zxvf linux-2.6.35.7-20120912.tgz to get the linux-2.6.35.7 folder. Start to build the so
One, the following analysis results are reference to the end of 15 development of the CX3 Development Board, the picture is as follows:Second, the UVC Protocol capture tool uses the bus HOUND6.0, the enumeration process data is as follows:Third, the first instruction in the analysis Get_cur, control the transmission mode, the instruction sequence is: A1 81 00 01
The establishment of an NFS development environment involves two aspects: Configuring the NFS server and configuring the client. ---------------- InPCOn-board (NFS server )----------------- 1. Ensure that the NFS service is installed by checking whether NFS files exist in the/etc/rc. d/init. d directory. 2. Edit exports # Gedit/etc/exports Add the following content: /Opt/liuxb2440/
8 @ echo 'generating $ @' 9 @ mkdir-p $ (DIR $ @) 10 $ (q) $ (awk)-F $ ^ >$ @ | {Rm-F $ @;/bin/false ;} $ Vim include/ASM/mach-types.h 375 # define mach_type_s3c2440168 // you have not found this [Configuration file in U-boot] $ Vim includes/ASM-arm/mach-types.h 377 # define mach_type_s3c2440 168 Summary: first, identify the machine type (such as S3C2440) from the Linux kernel source code, and then, according to the machine type machine code (such as 377 # define mach_type_s3c2440 168) given i
Debugging and remote display and control of the Headless Android Development Board, headlessandroid Recently, the msm8996 Development Board has been debugged. Because the motherboard and LCD sub-board have not yet come back, the first back core
The selected stepper motor model is 28byj-48 (or mp28ga,5v, speed ratio 1/64), the driving circuit selects the ULN2003 Chip's drive board, the control sequence diagram is as follows: Four-Phase Eight beat: a->ab->b->bc->c->cd->d->da Its a, B, C, d refers to the ULN2003 chip driver Board 1n1, 1n2, 1n3, 1N4, waveform on the expression of an input signal, waveform in the following indicates no input signal.
MiS603 Development Team Date: 20150911 Company: Nanjing mi Lian Electronic Technology Co., Ltd. Forum: www.osrc.cn Website: www.milinker.com Shop: http://osrc.taobao.com Eat blog: http://blog.chinaaet.com/whilebreak Blog Park: http://www.cnblogs.com/milinker/ MiS603 Development Board the fourth chapter Flow lamp experimentThere are so many examples of running lig
Experiment 3-3 porting Madplay to the Development Board Experimental Purpose: Mastering the porting of embedded Linux open source projects? Experimental requirements:1. Prepare the source files needed for Madplay Open source project: (1), madplay-0.15.2b.tar.gz(2), libmad-0.15.1b.tar.gz(3), libid3tag-0.15.1v.tar.gz(4), zlib-1.1.4.tar.gz? Experimental steps:1, unpac
2014/12/16 | Filed UNDER:TCP/IP Chip and tagged with:c8051, W5100, W5500, Xinhua Dragon Electronics, Network Development Board viewsshenzhen Xinhua Dragon Electronics Co., Ltd. recently launched the latest Network Development Board (F380-W5500W5100-DK), integrated Ethernet Professional program provider-wiznet W5100 and
++ ++ This article is original on this site. You are welcome to repost it! Reprinted please indicate the source: Http://blog.csdn.net/mr_raptor/article/details/6598891 ++ ++ Environment Introduction: 1. ubuntu 10.10, used as the Android compiling environment, and used NFS to mount the 6410 Development Board as the root file system. 2. android uses friendly source code. /build-android command compiled and u
When using an embedded development Board running a Linux system (example imx6 Saber Lite), important commands are often used, such as viewing the system version of the brush into the development Board, the CPU of the Development Board
Tags: err dex win file Power control supports device useiTOP-4412 Development Board LCD screen driver, iTOP-4412 Development Board support 4.3-inch, 7-inch, 9.7-inch LCD display. One of the 4.3-inch screen is the CPU directly out of the RGB signal, 7-inch screen and 9.7-inch screen is used for the LVDS signal, hardware
Transplantation of the yaffs2 File System Editor: The previous file systems are all friendly built-in file systems. The GUI is based on qtopia. This file system has powerful functions. Here we can port a root file system by ourselves, but this is only the most basic system, which helps to understand embedded development. The file system production process is similar, but the production tools used are different. The file system created here mainly refe
RUI Core Micro Network strategic partner "core customer network" launched based on the RK3288 Open source Development Board popmetal. Popmetal is a high-performance open-source hardware platform that uses the latest RK3288 processors from the core, supports Android5.0 and Ubuntu systems, and supports HDMI 4K Ultra HD output, as well as LCD display interfaces such as MIPI, LVDS, and I²c, Gpio, such as a colu
// ================================================ ======================================== // TITLE: // Read the boot flash reference code of the DBAU1200 Development Board // AUTHOR: // Norains // DATE: // Saturday 31-May-2008. // Environment: // VS2005 + DBAU1200 BOARD + misii SDK // ================================================ ===========================
This article will build an engineering template based on the Nucleo Development Board and KEIL5.14, consisting of a few parts:1, the establishment of the project template2, the Stlink set and the Forever water lamp1, the establishment of the project template1) before building the project, first set up a folder to store the template files, we call it template。 Then set up 6 subfolders: Doc,libraries,listing,
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