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Refer:Http://www.arm9home.net/read.php? Tid-5161.htmlHttp://www.arm9home.net/read.php? Tid-5182.html Http://blog.sina.com.cn/s/blog_6541e78f0100ihoy.html? Retcode = 0 Http://blog.sina.com.cn/s/blog_6541e78f0100ihp3.html? Retcode = 0 Http://hi.baidu.com/jiyeqian/blog/item/f46d26a2ff3f7da6caefd0d6.html Http://hi.baidu.com/clear water flow /blog/item/9b9ac64bb8b4aaf383025ce0.html Http://blog.ednchina.com/gurongjiang/352778/Message.aspx (1) install the corresponding library files before compiling Q
Opencv is an open-source computer vision Library Supported by Intel. It consists of a series of C functions and a small number of C ++ classes, implementing many common algorithms for image processing and computer vision. It does not rely on other external libraries-although some external libraries can also be used. Opencv uses BSD license, which is free for non-commercial and commercial applications. The main application environments of opencv are Windows and Linux. For embedded systems such
/downloads/qt-creator-binary-for-linux-x11-32-bit) for Linux/X11 32-bit) Qt 4.6.2packet qt-everywhere-opensource-src-4.6.2.tar.gz (http://qt.nokia.com/downloads/embedded-linux-cpp) for Embedded Linux) To arm-linux-gcc-4.1.2 (that is, http://qtextended.org/downloads/toolchains/arm920t-eabi.tgz) Download root_qtopia. I use the root_qtopia-20100108.tar.gz file in the youshanguang disk, and download tslib1.4 and tslib1.4 to FTP Server 1 of the Linux commu
ARM Assembly command debugging methodWhen learning ARM assembly, you must debug ARM Assembly commands. As a multi-language debugger, gdb is naturally a good choice. When the debugger is working, it generally constructs the trap Soft Interrupt command by modifying the content of the Code segment to monitor the program pause and program execution status. To execute
Arm-linux-ld command-T option is an important option in the ld command. It can be used to directly specify the code segment, data segment, doctoral student, www.2cto.com segment. For complex connections, you can write a script specifically to tell the compiler how to connect. -Ttext addr-Tdata addr-Tbss addr arm-elf-ld-Ttext 0x00000000-g led_On.o-o led_on_elf, the running address is 0x00000000, because ther
ARM Linux boot sequenceThe following traces the Linux boot sequence for ARM-based systems in the 2.6.18 kernel. it looks at just the earliest stages of the boot process, until the generic non-processor-specific start_kernel function is called. the line numbers of each statement are in parenthese at the end of the line; the kernel source itself can be conveniently browsed on the Linux cross-reference website
Source: http://hi.baidu.com/guccang/item/9205cbe25c3a1c03570f1dfb I. Local Environment: ubuntu64-bit Operating System Uname-A Query Operating System: Ubuntu 64-bit Operating System Cross Compiler: arm-linux-gcc-4.4.3 Google protobuf: protobuf-2.4.1 Result: When making, the system prompts can not find arm-Linux-G ++. Ii. Local Environment: Red Hat 32-bit Operating System Uname-A Query Operating System: Linu
How to compile SQLite embedded databases in arm-Linux Step 1SQLiteCompilation in arm-Linux1. Download SQLite: Go to ghost. 2. Make sure that your path contains the cross-compilation tool arm-Linux-GCC. You can run the "Echo $ path" command to view details. For example, "/opt/toolchain/GCC 3.2/toolchain/bin /" 3. To run SQLite properly in
net-snmp5.7.3 porting to the Arm-linux platformThis cross-compilation is performed under Ubuntu 15.04 64-bit systems.Preparatory workThere are several preparations to complete before compiling the migration. 1 Download net-snmp 5.7.3 Source Package 2 Installing the Cross-compilation environment (ARM-LINUX-GNUEABI-GCC)You can install it using the command sudo apt-get install gcc-
This paper mainly introduces the kernel configuration system of Linxu2.6. If you browse the source directory, you can see that there are a lot of kconfig files and makefile files in the source directory and its subdirectories. What's the effect of these files? It is these files that make up the Linux2.6 kernel configuration system. one, make menuconfig behind------the organization of the Kconfig file Have you ever thought about how the list of menus that were displayed after we make menuconf
In the previous article, we have downloaded the OpenCV source code, installed the Arm-linux cross compiler and CMake, the next is to use the cross compiler to compile the OpenCV source code, but before this, we have to cross compile the OpenCV of the third party dependent library. (Note: For ease of installation, it is recommended that you switch to root). extract OpenCV source Under/OPT to create a directory ar
The history of 64-bit computing is quite rich and interesting. Companies such as Cray have started using 64-bit registers in their systems in the 70 's, but the truly pure 64-bit computations didn't really come until the 90 's. The first is the R4000 of MIPS, then the DEC Alpha processor. By the middle of the 90, both Intel and Sun had 64-bit designs. The real turning point for consumers is that AMD released a 64-bit PC processor in 2003 that is compatible with the Intel 32-bit x86 processor.
signals by using mathematical techniques to perform transformations or to extract information, which are represented by a sequence of numbers. Over the past more than 20 years, digital signal processing has been widely used in communications and other fields. ARM: ARM (Advanced RISC machines) can be thought of as a company name, or as a generic term for a class of microprocessors, or as a technology name
1. Download arm-linux-gcc-3.4.1.tar.bz2 to any directory.ARM-LINUX-GCC-3.4.1.TAR.BZ2 is as follows:http://www.handhelds.org/download/projects/toolchain/arm-linux-gcc-3.4.1.tar.bz22. Unzip the ARM-LINUX-GCC-3.4.1.TAR.BZ2#tar-jxvfarm-linux-gcc-3.4.1.tar.bz2Decompression process takes a period of time, the extracted files form the usr/local/folder, into the folder,
To find convenience, move forward from all the way.is used to copy the contents of one destination file into another file, which can be used for format conversion between different source filesExample:Arm-linux-objcopy–o binary–s file.elf File.binCommon options (uppercase):Input-file, OutflieInput and output files, if not outfile, the output file name is input file name2.-l Bfdname or-input-target=bfdnameUsed to indicate the format of the source file, Bfdname is the standard format name describe
file system/dev/will have the name after registering the device. FoPs is a series of file operation functions, what open, read, write, ioctl and so on, a lot, and the same as the character device. So, next, let's look at an example, here I omit my makefile and kcofig, can refer to the previous article, easy to implement. implement a simple Misc device driver (written on the TINY4412 Development Board)cdev_test.c#include then, after compiling the driver, say zimage download to the board. We can
Installing opencv2.0Decompression opencv-2.0.0.tar.bz2Tar xvf opencv-2.0.0.tar.bz2Configuration./configure--host=arm-linux \--without-carbon \--without-quicktime \--without-1394libs \--without-ffmpeg \--without-python \--without-swig \--WITHOUT-GTK \--enable-static \--enable-shared \--disable-apps \--WITHOUT-GTK \--prefix= $PWD/output/a31 \--libdir= $PWD/output/a31/lib \--includedir= $PWD/output/a31/includeerror: ' ptrdiff_t ' does not name a type wor
1. text//specifies that subsequent compiled content is placed in the code snippet "executable" 2.Global //tells the compiler to follow a globally visible name "either a variable or a function name" 3_start/*the real address of the function is also the starting address of the program that compiles and links enough. Since the program is loaded by the loader, the function of the _start name must be found, so the _start must be defined as global so that it exists in the compiled global compliance t
addition of these statements can be found in the Mdev manual.3. Add the response to the hot-swap event to automatically mount the USB flash drive and SD card.Vim/etc/mdev.confMMCBLK[0-9]P[0-9] 0:0 666 @/etc/sd_card_insertingMMCBLK[0-9] 0:0 666 $/etc/sd_card_removingSD[A-Z] [0-9] 0:0 666 @/etc/usb/usb_insertingSD[A-Z] 0:0 666 $/etc/usb/usb_removingThe gray part, is a script, the script content can be customized according to our needs, can implement mount, uninstall or some other functions.The fo
Protocolfastethernet0/0 Unassigned YES unset administratively downFASTETHERNET0/1 Unassigned YES unset administratively downfastethernet1/0 Unassigned YES unset upFASTETHERNET1/1 Unassigned YES unset upFASTETHERNET1/2 Unassigned YES unset upFASTETHERNET1/3 unassigned YES unset up downFASTETHERNET1/4 unassigned YES unset up downFASTETHERNET1/5 unassigned YES unset up downFASTETHERNET1/6 unassigned YES unset up downFASTETHERNET1/7 unassigned YES unset up downFASTETHERNET1/8 unassigned YES unset u
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