Contents - Raspberry PI Community Projects

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ARM There is broad compiler support including gcc - please see ARM Compilers (http://www.elinux.org/ARMCompilers) The ARM is capable of around 500 BOGOMIPS [1] , 5400 LINPACK KFLOPS with software floating point and 22000 KFLOPS with softfp hardware floating point [2] . The gcc compiler flags which will produce the most optimal code for the RPi are probably (can someone check!): -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard [-marmv6z or -mthumb] -marm produces arm code, which is the original 32 bit ARM instruction set, -mthumb produces thumb (http://en.wikipedia.org/wiki/ARM_architecture#Thumb) code, which is the 16 bit encoded RISC sub-set. Thumb code is smaller but requires more instructions so may be slower. GPU The GPU provides APIs for Open GL ES 2.0, hardware-accelerated OpenVG, and 1080p30 H.264 high-profile decode. The GPU is capable of 1Gpixel/s, 1.5Gtexel/s or 24 GFLOPs of general purpose compute and features a bunch of texture filtering and DMA infrastructure - the Raspberry Pi team are looking at how they can make this available to application programmers. For the documentation on some Broadcom APIs exposed to control the GPU, see RPi VideoCore APIs. The GPU blob is an 18MB elf file, including libraries. It does an awful lot. [3] DSP There is a DSP, but there isn't currently a public API (Liz thinks the BC team are keen to make one available at some point). Other software This section collects hints, tips & tricks for various software components. ▪ RPi_applications#Raspberry_Pi_Software_Application_Notes
Performance Performance Page Programming Raspberry Pi plans to support Python and C as primary teaching languages, but expect to have some sort of BASIC on there too. Perhaps even BBC BASIC or SuperBASIC depending on copyright issues. See main page RPi Programming for more detail. References 1. ↑ http://www.raspberrypi.org/?p=78#more-78 2. ↑ http://www.raspberrypi.org/?page_id=43&mingleforumaction=viewtopic&t=266.0 3. ↑ http://www.raspberrypi.org/?page_id=43&mingleforumaction=viewtopic&t=247 Raspberry Pi Model Wizard - Buying Guide - SD Card Setup Startup - Basic Setup - Advanced Setup - Beginners Guide - Troubleshooting Hardware - Hardware History - Low-level Hardware peripherals - Expansion Boards Peripherals Screens - Cases - Other Peripherals Software - Distributions - Kernel - Performance Software - Programming - VideoCore APIs Tutorials - Guides - Projects - Tasks - Projects DataSheets - Education - Communities Retrieved from "http://elinux.org/RPi_Software" Category: RaspberryPi ▪ This page was last modified on 14 October 2012, at 18:26. ▪ Content is available under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
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RPi Buying Guide From eLinux.org Co
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Farnell Worldwide Premier Farnell a
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Q: If interest was obviously so hig
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limited to batches of only 10k Rasp
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References 1. ↑ http://en.wikiped
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SD Card setup To boot the Raspberry
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Copying the image to an SD Card on
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1. These commands and actions need
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▪ dd bs=4M if=~/2012-09-18-wheezy
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Model: SD SD08G (sd/mmc) Disk /dev/
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RPi Hardware Basic Setup From eLinu
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NOTE: An RPi SD card can only be us
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1. Micro-B USB Power Cable (see abo
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One promising device is the Cymbet
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External Links For a verbose guide
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This page is a community work in pr
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===================================
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NOTE: If the partitions (/dev/sdc1
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Setting up for remote access / head
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continue to be able to address it i
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An alternative startup guide for be
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Where to start? Any easy question t
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If you're unsure of which locale to
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Debian Wheezy, using raspi-config D
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Media Player With this configuratio
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▪ Entering "sudo apt-get install
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Tutorials - Guides - Projects - Tas
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▪ 5.5 Networking no longer works
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Green LED blinks in a specific patt
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can only handle 100mA per USB slot
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Get the latest firmware version The
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Ethernet connects at 10M instead of
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Some programs refuse to accept my p
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Display Startx fails to start If yo
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overscan_bottom=20 Interference vis
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Composite displays no image The out
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Troubleshooting power problems If y
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Hardware versions/revisions Several
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Raspberry Pi Model Wizard - Buying
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# Set monitor mode to DMT hdmi_grou
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hdmi_drive=1 Normal DVI mode (No so
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hdmi_mode=46 1440x900 reduced blank
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opt/vc/bin/tvservice -d edid.dat /o
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Overclocking options Option Descrip
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GPU core, h264, v3d and isp should
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RPi Hardware From eLinux.org Conten
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Low-level peripherals: Real-time cl
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core clocked at 700MHz; ARM VFP. Th
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Power ▪ High-resolution PCB front
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the RPI itself, sometimes up to hal
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Things that can cause problems ▪
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Capacitor C6 (ringed) It's unlikely
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RPi HardwareHistory From eLinux.org
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Raspberry Pi Model-B Full Productio
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Raspberry Pi Alpha Board ▪ Announ
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10. ↑ (hand-mod) More on the beta
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Introduction In addition to the fam
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Each GPIO can interrupt, high/low/r
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Colour legend +5 V +3.3 V Ground, 0
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GPIO06 is LAN_RUN and is available
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GPIO Code examples GPIO Driving Exa
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); BLOCK_SIZE, PROT_READ|PROT_WRITE
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# Set up GPIO 7 and set to input ec
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gcc -o blink -I ../../src ../../src
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GPIO Driving Example (Ruby) This ex
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Model Wizard - Buying Guide - SD Ca
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Back to the Hub. Contents ▪ 1 Int
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AFLEX Robotic Board AFLEX Robotic B
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Pi232 RS232 board Pi232 (http://www
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MiniPiio Relay2 [7] (http://zuzebox
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line in it for commands. The interf
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RPi Screens From eLinux.org Back to
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http://www.hdfury.com/ Something si
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Nokia N8 has AMOLED 360x640 pixels
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RPi Cases From eLinux.org Back to R
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Back to the Hub. ▪ 32.5 Customiza
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Lego Case 2 I had a bit of a play i
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This unique case has an integrated
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The foldable case from "Andrew K" (
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Both bottom and top of the case are
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ModMyPi - Raspberry Topping Case Mo
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RepRap friendly cover for Raspberry
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Design One (http://www.thingiverse.
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FoamBox1.png FoamBox2.png FoamBox3.
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PI Sandwich Case BUD Industries is
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▪ Customizable! ▪ Nearly Indest
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The PiSlab is made from a slab of 1
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Options 4 Different Design Access t
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Polycase Pi Series Case The new Pi
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Tek Berry.40 Length: 100.6 Width: 7
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Raspberry Pi Model Wizard - Buying
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Back to the Hub. Contents ▪ 1 Not
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▪ (B) - Relates to model B produc
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▪ F5U706ea/uk 2-in-1 Hub (USB 2.0
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▪ Logik L4THUB10 4 Port powered h
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Problem USB Hubs Please check known
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thing is that RPi powers on when I
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▪ A4 Tech ▪ Model KL-5 USB Keyb
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▪ EBO-013 Wireless 2.4GHz compact
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▪ Comfort Wave 450, labeled 100mA
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▪ ONN Keyboard Stock No: ONA11HO0
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▪ Trust 17916 Compact Wireless En
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▪ G510 Gaming Keyboard - lagging
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▪ DX-WMSE (100mA) (B) ▪ Fellowe
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Page 215 and 216: ▪ Edimax ▪ EW-7811Un (http://ww
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Page 241 and 242: Working SD Cards ▪ 4GB SDHC Class
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Page 245 and 246: ▪ Mushkin ▪ 16GB SDHC Class 10
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Page 257 and 258: Model Wizard - Buying Guide - SD Ca
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Page 277 and 278: RPi Kernel Compilation From eLinux.
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Page 281 and 282: From opensource.apple.com, download
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ilclient helper library This librar
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egistry/egl/specs/eglspec.1.4.20110
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specs/openvg-1.1.pdf) or the API qu
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RPi Tutorials From eLinux.org
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Community Pages: Tutorials - a list
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DracoSoftware (http://dracosoftware
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5V Power Supply construction - How
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Live mp3 streaming from audio-in wi
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RPi Guides From eLinux.org Back to
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web browser Easy Suitable for begin
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Installing Ruby on Rails Share your
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Using Skypekit Pre-configuring SD c
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RPi Projects From eLinux.org Back t
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BerryTerminal (http://www.berryterm
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Digital Signage Retrieved from "htt
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The Raspberry Pi Foundation is a UK
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5. Optional USB driver for 2-device
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R-Pi System/Data Management --Meltw
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Model Wizard - Buying Guide - SD Ca
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101-200 Raspberry Pi Foundation ann
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RPi Education From eLinux.org Conte
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Computer History Museum, Silicon Va
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used for Desktop apps, Daemon/Servi
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fundamentals of computer programmin
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▪ https://github.com/ntoll/Raspbe
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RPi Community From eLinux.org Back
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▪ RasPi Forums on EduGeek.net (ht
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References 1. ↑ http://www.pyroso
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