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under linux USB actuation transplant attainment_USB, linux
Wednesday, December 9th, 2009 at 12:03 | No commentsCategories: Embedded systemShort Content: First, code revision# for has deleted in here include in front, hoped that has the help/*add by lfc*/#include -
Under Linux environment based on I2C main line
Sunday, December 6th, 2009 at 21:42 | No commentsCategories: Embedded systemShort Content: 1 introduction I2C (Inter-Integrated the Circuit1 main line is one kind 2 type serial main lines which develops by Philips Corporation, uses in connecting the micro controller and the auxiliary equipment. It is the synchronous communication one special form, has the connection line to be few, the control mode is simple, the component seal form is small, correspondence speed higher merit. In the host from the correspondence, may have many I2C main line component simultaneously to receive on the ... -
In S3C2410 uses serfox and the spcavie use camera_linux, s3c2410, serfox, spcavie, WEBCAM, camera
Saturday, December 5th, 2009 at 20:29 | No commentsCategories: Embedded systemShort Content: Must use software package Camera actuation: http://mxhaard.free.fr/spca50x/embedded/KernelPatch/usb-2.4.31LE06.patch.tar.gzServer video frequency gathering: http://mxhaard.free.fr/spca50x/embedded/Servfox/servfox-R1_0_0.tar.gzClient side broadcast video frequency: ftp://ftp5.linuxeden.com/hardware/spcaview-20061208.tar.gzBrowser java plugs: http://software.lupaworld.com/data/upload/jre-1_5_0_06-linux-i586-rpm.bin First, hardware platform: 2410 development boards Camera: zc301p Second, software platform: armLinux Third, driver:Translates the zc301 actuationThe main mentality translates the essence, will correspond the camera support module elects.But in the LINUX essence in the system does not have the ZC301P camera to actuate, must download corresponding the essence patch, its patch and the actuation have corresponding actuation downloading in ... -
In application embedded Linux real-time optimization_linux, embedded, optimization, real-time
Saturday, December 5th, 2009 at 17:35 | No commentsCategories: Embedded systemShort Content: The embedded system is moves in limited space and in the limited resources, realizes some kind of specific function or the function set installment highly effective. Its development usually receives the detachment condition the limit, such as weak CPU handling ability, the small memory space, few may supply the choice the peripheral device, the limited power source supply and so on. Each embedded system's development is the careful planning all, uses the limited resources to display the biggest ... -
Linux under system
Saturday, December 5th, 2009 at 15:31 | No commentsCategories: Embedded systemShort Content: 1 introduction ELF (Executable and Linkable Format) then carries out the linked file form, is Linux, SVR4 and the Solaris2.0 default object file form, at present standard interface committee TIS already the ELF standardization is the object file form which one kind may transplant, moves in 32-bit on the Intel system microcomputer, may be compatible with many kinds of operating systems. Analyzes the elf document to be helpful in understanding some important system concepts, for example procedure translation and ... -
In Linux document s3c2410 GPIO great_linux, s3c2410, GPIO
Saturday, December 5th, 2009 at 13:39 | No commentsCategories: Embedded systemShort Content: First, GPIO register definition 1.#define GPCON(x) __REG2 (0x56000000, (x) * 0x10) This is defines 2410 GPIO the control registers, the attention: the __REG2 parameter is register's physical address, this physical address after the _REG2 great transformation for the virtual address, compares 2410 handbooks to be possible to obtain the corresponding relationships: GPCON (1) - - - - - - PORT A 0x56000000GPCON (2) - - - - - - PORT B 0x56000010GPCON (3) - - - - - ... -
Embedded linux tftp disposition_linux, embedded Linux, TFTP
Saturday, December 5th, 2009 at 09:44 | No commentsCategories: Embedded systemShort Content: tftp is uses for to download the long-distance document the simple network protocol, its it realizes in the UDP agreement. Embedded linux tftp development environment including two aspects:First, linux server end tftp-server support; second, embedded target system's tftp-client support. Because u- boot itself built-in supports tftp-client, therefore the embedded target system end did not need to dispose.Below in detail introduced that the linux server carries tftp-server the disposition.In the redhat 9.0 third compact disc, has the tftp-server installment ... -
Linux liquid crystal box actuation development_linux, liquid crystal, driving
Saturday, December 5th, 2009 at 07:52 | No commentsCategories: Embedded systemShort Content: Along with the high performance embedded processor's popularization and hardware cost's unceasing reduction, ARM series processor's extrusion, embedded system's function is particularly getting stronger and stronger. Because single color LCD the color is also monotonous, the canned data is small, the processing speed is slow, but cannot meet people's demand. Under the multimedia application's impetuses, colored LCD more and more applied in the embedded system like on the new generation handset and the palm the computer uses the ... -
ARM Linux interrupt analysis_ARM, linux, interrupts
Thursday, December 3rd, 2009 at 22:44 | No commentsCategories: Embedded systemShort Content: In the ARM architecture, the replacement, the interrupt, the fast interrupt and so on regards as `to be unusual ', when these `is unusual ' occurs, CPU will arrive at the fast address place to look for the instruction, they correspond the address is as follows: Address ... -
Manufactures the mipsel-linux cross compiling tool_linux, mipsel, cross-compilation
Thursday, December 3rd, 2009 at 11:59 | No commentsCategories: Embedded systemShort Content: 1 foreword In the embedded development, the MIPs processor is one of common several processor types. On the other hand, Linux is operates the source software, the application scope is very broad, because it to includes MIPS the many kinds of embedded processor construction good support. Therefore in embedded application. Also uses Linux massively. In the embedded performance history, very easy to obtain the movement on x86 construction PC Linux, above and may use the rich tool. gcc is ...
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