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Free Software tools for embedded systems
... ) and can boot several operating systems (Linux, uClinux, and others)Softgun: http://softgun.sourceforge.netVirtual ARM system with many virtual onboard peripherals. Boots Linux.SWARM Software ARM arm7 emulatorhttp://www.cl.cam.ac.uk/~mwd24/phd/swarm.htmlCan run uClinux13 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008klibchttp://www.kernel.org/pub/linux/libs/klibc/“Kernel C library”Tiny and minimalistic C library designed for use in an initramfs at boot time (alternative to initrds).Fine for the creation of simple shell scripts.Ships with small executables for use in shells, built with klibc,and a klcc compiler to compile your own applications.Not elaborate enough to support BusyBox applications.Useful details in http://en.wikipedia.org/wiki/Klibc19 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Platform specific toolchains (1)ARMCode Sourcery (supports GNU/Linux, EABI and uClinux):http://www.codesourcery.com/gnu_toolchains/arm/Also available for Windows workstations.MIPShttp://www.linuxmips.org/wiki/Toolchains (useful links)6 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Training contents (3)AnnexesAutomatic system generation with BitBake / OpenEmbedded33 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Other emulatorsColdFire emulatorhttp://www.slicer.ca/coldfire/Can boot uClinux37 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Minicom (1)Definition: serial communication programAvailable in all GNU / Linux distributionsCapabilities (all through a serial link):Serial console to a remote Unix systemFile transferModem control and dialupSerial port configuration50 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Denx Software Engineeringhttp://denx.deCreated by Wolfgang Denk,the author of the UBoot bootloader.Create and support the Embedded Linux Development Kit (ELDK),a complete and well documented development environment.This kit is not only Free Software,it can be downloaded freely by anyone.A great community member and contributor!15 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008 Free Software tools for embedded systemsGNU / Linux workstationCrosscompiling toolchains9 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008uClibchttp://www.uclibc.org/ from CodePoet ConsultingLicense: LGPLLightweight C library for small embedded systems, with most features though.The whole Debian Woody was ported to it ... Support servicesUseful if you don't have your own support resourcesLong term support commitment, even for versions considered as obsolete by the community, but not by your users!44 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Commercial toolsetsCaution: commercial doesn't mean proprietary!Vendors play fair with the GPL and do make their source code available to their users, and most of the time, to the community.As long as they distribute the sources to their users, the GPL doesn't require vendors to share their sources with any third party.No issue with all the GPL sources developed by or with the community.Graphical toolkits developed by the vendors look proprietary. Their licenses are not advertised on their websites! You have to be a customer to know or get a free preview kit to know.35 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008 Free Software tools for embedded systemsGNU / Linux workstationVarious tools34 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Emulators SummarySystem emulatorsUseful to experiment with a full system, including the kernelqemu: x86, x86_64, arm, sparc, ppc, mipsSkyEye: several arm architecturesUser emulatorsUseful to run or debug user space binaries for other CPUsqemu: x86, arm, sparc, ppc, mips20 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Platform specific toolchains (2)ColdfireCode Sourcery (supports ELF, GNU/Linux and uClinux):http://www.codesourcery.com/gnu_toolchains/coldfirePowerPCCode Sourcery (supports GNU/Linux and EABI)http://www.codesourcery.com/gnu_toolchains/power.html49 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Sysgo Koan Softwarehttp://sysgo.comELinOS development toolset,in particular based on Eclipseand the Linux Trace Toolkit.Includes FreeToolBox, a freely downloadable compiling and rootfs creating toolchain.Supports i386, arm and ppc.Hard realtime support with their own microkernel (PikeOS),an approach similar to RTAI.http://koansoftware.comMakers of KaeilOS(http://koansoftware.com/kaeilos/), a GPL embedded Linux distribution for industrial applications.KaeilOS supports i386 and popular arm platforms. Other platforms supported upon request.Includes several graphical toolkits and supports hard realtime (RTAI, Xenomai, preemption patches).Unfortunately, KaeilOS is GPL but not available for public download.16 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Standalone toolchain buildBuilding a crosscompiling toolchain by yourself is a difficult and painful task! Can take days or weeks!Lots of details to learn. Several components to build(building gcc twice: once for gcc + once for compilers that need the C library).Lots of decisions to make(such as C library version and configuration for your platform)Need kernel headers and C library sourcesNeed to be familiar with current gcc issues and patches on your platformUseful to be familiar with building and configuring toolshttp://www.aleph1.co.uk/armlinux/docs/toolchain/toolchHOWTO.pdfcan show you how fun it can be!21 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Toolchain building utilitiesBuildroot: http://buildroot.uclibc.org/Dedicated Makefile to build uClibc based toolchainsand even entire root filesystems. Downloads sources and applies patches.Crosstool: http://www.kegel.com/crosstool/Dedicated script to build glibc based toolchainsDoesn’t support uClibc yet. Downloads sources and applies patches.26 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Toolchains useful resourceseLinux.org toolchain page:http://elinux.org/Tool_Chains29 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008 Free Software tools for embedded systemsGNU / Linux workstationEmulators8 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008glibchttp://www.gnu.org/software/libc/License: LGPLC library from the GNU projectDesigned for performance, standards compliance and portabilityFound on all GNU / Linux host systemsQuite big for small embedded systems: about 1.7 MB on Familiar Linux iPAQs (libc: 1.2 MB, libm: 500 KB)36 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008chrootAvailable in all GNU/Linux distributionsUsage:chroot <dir> [command]Runs a command or an interactive shellwith a special root directory.Standard usage: Internet serversServices executed in chroot jails: even when compromised,the service cannot gain access to the rest of the system.Usage for embedded system development:Develop and test a new root filesystem on the development host.Very easy to use when the host and target have the same CPU instruction set.Used by LFS (Linux From Scratch).Also used by Scratchbox: Qemu makes the usage of target binaries transparent./binlibetchttp/libetcbinchrootjail ... ) and can boot several operating systems (Linux, uClinux, and others)Softgun: http://softgun.sourceforge.netVirtual ARM system with many virtual onboard peripherals. Boots Linux.SWARM Software ARM arm7 emulatorhttp://www.cl.cam.ac.uk/~mwd24/phd/swarm.htmlCan run uClinux13 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008klibchttp://www.kernel.org/pub/linux/libs/klibc/“Kernel C library”Tiny and minimalistic C library designed for use in an initramfs at boot time (alternative to initrds).Fine for the creation of simple shell scripts.Ships with small executables for use in shells, built with klibc,and a klcc compiler to compile your own applications.Not elaborate enough to support BusyBox applications.Useful details in http://en.wikipedia.org/wiki/Klibc19 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Platform specific toolchains (1)ARMCode Sourcery (supports GNU/Linux, EABI and uClinux):http://www.codesourcery.com/gnu_toolchains/arm/Also available for Windows workstations.MIPShttp://www.linuxmips.org/wiki/Toolchains (useful links)6 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Training contents (3)AnnexesAutomatic system generation with BitBake / OpenEmbedded33 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Other emulatorsColdFire emulatorhttp://www.slicer.ca/coldfire/Can boot uClinux37 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Minicom (1)Definition: serial communication programAvailable in all GNU / Linux distributionsCapabilities (all through a serial link):Serial console to a remote Unix systemFile transferModem control and dialupSerial port configuration50 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008Denx Software Engineeringhttp://denx.deCreated by Wolfgang Denk,the author of the UBoot bootloader.Create and support the Embedded Linux Development Kit (ELDK),a complete and well documented development environment.This kit is not only Free Software,it can be downloaded freely by anyone.A great community member and contributor!15 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008 Free Software tools for embedded systemsGNU / Linux workstationCrosscompiling toolchains9 Free Software tools for embedded systems© Copyright 20042008, Free ElectronsCreative Commons AttributionShareAlike 2.5 licensehttp:/ /free electrons.comJan 24, 2008uClibchttp://www.uclibc.org/ from CodePoet ConsultingLicense: LGPLLightweight C library for small embedded systems, with most features though.The whole Debian Woody was ported to it...
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Tài liệu Báo cáo khoa học: Cell-free translation systems for protein engineering docx
... strong tool for producing pro- teins.Production of biologically activeproteinsIn order for the cell -free translation system to producebiologically active proteins, additional proteins such ... DNA transformation in cells, and overexpres-sion of the desired protein in cells. Thus, there arelimitations associated with using in vivo technology for protein production.Cell -free translation ... use as tools for pro- tein production and engineering.AbbreviationsEGFP, enhanced green fluorescent protein; GFP, green fluorescent protein; PDI, protein disulfide isomerase; PURE, protein synthesis...
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Essential music theory for singers
... When discussing music it is often difficult to refer to the concepts of music without using musical language — so I had to find a workaround. I did not intend to teach you musical notation, ... supplements6 distributed with the book. WHAT IS MUSIC? What is music? If you are going to study music, you will NEED to know its definition. Music is the art of arranging SOUNDS into expressive ... aspects of music mentioned in this definition — the art aspect, the sound aspect, the sequence aspect, and the combination aspect. MUSIC IS AN ART As an art, music is a creative product of...
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Music theory for flamenco
... this chord before resolving to the tonic C. (Reversing the II -> IPhrygian progression) For example, in the progression (E -> F) -> C -> G7 -> C, the E chord approaches (“prepares)the ... Classical approach) is also characteristic of Blues,which does the same thing for the Tonic, Dominant, and Sub-Dominant chords/scales. More advancedapproaches are used by Jazz and other musicians, ... keys aswell; for the major keys, this adds a "Latin American" flavor to the chord progressions. For minor keys,these notes are used primarily as passing notes in a progression. One...
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Visual Music: Searching for an Aesthetic doc
... algorithms for producinga pleasing time variant image by modulatingspirals. These can be described as digitalcomputer programs, providing amuch-needed notation for the emergingvisual music art form.In ... this difficultproblem of achieving a formalism for colorwhen he writes:I confess my own puzzlementdespite nearly forty years of colorfilmmaking . . . . One propoundstheories for the use and ... a music program as aninteractive control for changes in the music [8].III. COLORUniversal agreement on a color aesthetichas not yet been reached, nor is there a set ofrules correlating music...
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The Internet Music Guide For The Audiophile
... Brothers. for download. If you are looking for an alternativelegal download source, Amazon may just be it. For more information, check out Ryan Dube'sBreak Free from iTunes with Amazon Music Downloads ... layingyour hands on music. Legal Music Downloads Music StoresIf you would prefer going the legal and 'just' way,then online music stores are your best bet atdownloading music. Here are ... guide alsofeatures tips on discovering new music, liveperformances, and organizing your music. I hope you find The Guidebook for the Online Music Lover informative and useful to expand yourknowledge...
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Sử dụng hệ điều hành Vista trên MacBook Pro doc
... chức năng và chọn OS X. Hơi phiền phức, nhưng nó làm việc tốt. Từ khi sử dụng Vista, chiếc MacBook Pro bị nóng hơn rất nhiều. Microsoft đã không xử lý vấn đề quản lý nguồn. Điều này có thể ảnh ... nấu chín cái motherboard của chiếc laptop này hay không! Sử dụng hệ điều hành Vista trên MacBook Pro Hãng máy tính Apple đã phát hành phần mềm Boot Camp vào tháng 4 do đó những người sở hữu ... họ. Tôi đã từng làm việc với nhiều phiên bản hệ điều hành Windows khác nhau trên chiếc máy MacBook Pro 17-in. Phần cài đặt và phiên bản ảo Parallets của Windows XP, bây giờ là Vista RC1 có hỗ...
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