Re: Module loading problem in joyride?
On Mon, Nov 24, 2008 at 5:32 AM, Deepak Saxena [EMAIL PROTECTED] wrote: There is CONFIG_JFFS2_RTIME option. Will re-enable it and and push to master. I agree that ideally we should just disable it but as per Daniel's experience this will break unless we change the mkfs.jffs2 option. Even if we do the later, it will lead to issues if someone tries to mix and match new kernels with older builds. I have disabled rtime compression in the mkfs.jffs2 call in pilgrim used to build our images. Daniel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: [sugar] Differents behaviours of my application
On Sat, Nov 22, 2008 at 17:43, Aleix Palet [EMAIL PROTECTED] wrote: Ok, but which command do you use to create the wrapper?? I don't know what to put in the: python buildskel.py -n JClic -t JClic -t JCLic -m (what should i put here??) Because i unferstand it when you create a game with a main funcion, but when there is no main?? (only __init__, read_file, write_file as a sugar activity) and in the activity.info file, do I have to put som special line?? like the class line?? or the exec line?? Thanks! Take a look at the source of Productive: http://wiki.laptop.org/go/Games/Productive - this was written by Mike Fletcher who most recently maintained the pygame olpcgames wrapper, so it should be the most up to date example of using it. Regards Morgan ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
New joyride build 2565
http://xs-dev.laptop.org/~cscott/olpc/streams/joyride/build2565 Changes in build 2565 from build: 2564 Size delta: -0.66M +ssmtp 2.61-11.6.fc10.1 -exim 4.69-7.fc10 --- Included ssmtp version 2.61-11.6.fc10.1 --- -- This mail was automatically generated See http://dev.laptop.org/~rwh/announcer/joyride-pkgs.html for aggregate logs See http://dev.laptop.org/~rwh/announcer/joyride_vs_update1.html for a comparison ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Conundrum - XO connected to AP + Mesh?
Hi, 2008/11/24 Ian Daniher [EMAIL PROTECTED]: Hello all, I've been asking on #olpc-devel the last few days, trying to figure out how to connect my XO simultaneously to both a mexh network and to an AP. My goal is to have the same XO able to surf the internet and ssh into meshed XOs. Whether or not this XO acts as an MPP, providing other XOs with internet, is irrelevant. I hope to do this as simply as possible via terminal. I'm guessing there's some magic recipe of ifconfig and iwconfig commands, but no one seems to know what it is. My goal is to do this without network manager. Any help you're able to give me would be wonderful. Many thanks! -- It should work. Please check if the other XO (not connected to the AP) is in the same channel of the AP. Say your AP is in channel 6, the other XO should be set to mesh 6. Cheers! Ricardo ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: x11vnc and vncviewer for classroom
Hi Mitch, On Sun, 23 Nov 2008, Mitch Bradley wrote: [discussion about LTSP and PXE and Etherboot and wired ethernet adapters] Why is PXE necessary for LTSP? Its not, but if one wants to boot some of the time as a thin client, and some of the time as as a standalone computer, then it becomes very handy. It also allows thin-clientness without altering the filesystem on the XO, preserving all the good work done on that software environment. What I was thinking of with the original question was the following scenario: An XO user runs the stock onboard software stack most of the time. The same user visits a location with an LTSP server. He wants to take advantage of the additional computing power available on that LTSP server, so he plugs into the ethernet, and boots disklessly as a LTSP thin client, w/o any reconfiguration necessary on his part, or any reconfiguration of the LTSP server. I happen to make solar powered LTSP servers that are being deployed in many of the same areas as the XO. I want to know what I need to support on the server side to allow this functionality. PXE requires no alteration to either system... hence my original question. From the LTSP web site, I get the impression that it can run inside several distros, including Fedora and Debian. There are Fedora- and Debian- derived distros for XO. There are LTSP packages for many distros. One could build from source for others. XO's OFW firmware can load kernels and initramfs's over either USB Ethernet adapters or the built-in wireless, using TFTP or HTTP or NFS. OK, but that requires some user interaction with OFW, correct? You are saying that OFW can behave like PXE, by pulling a dhcp address via wireless then TFTPing a kernel/initrd? If so, that probably solves my problem, enumerated above. It's also possible to boot diskless with root on NFS. In fact that's how the manufacturer runs their Linux-based burn-in diagnostics. LTSP uses a NBD for root filesystem in recent releases, iirc. What you can't do is run an absolutely stock distro, because you need a kernel that supports the OLPC-specific hardware. Which devices in particular? Can these device drivers be merged into the upstream kernel tree, or are we still dealing with a binary blob somewhere? Enjoy, Scott ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Conundrum - XO connected to AP + Mesh?
erik wrote: On Mon, Nov 24, 2008 at 12:07:03AM -0500, John Watlington wrote: With release 8.2, the mesh interface is still up and available when connected to an AP. Address the laptops on a mesh network on the same channel via their self-assigned addresses (169.254.x.x) and you can ping and ssh them from an AP connected XO without problems. but can the zeroconf'ed machines access what's behind the AP? i.e., how do they learn of a default gateway? i assume this is the real intent behind the question. I for one would very much like to understand the dependencies of this setup... For instance, where are the self-assigned IP addresses coming from? How RFC 3297 paul do you get a list of XOs - IPs in the mesh neighborhood from the command line? (There was a script floating around the ml to do the latter but I can't find it now.) Erik =- paul fox, [EMAIL PROTECTED] give one laptop, get one laptop --- http://www.amazon.com/xo ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Conundrum - XO connected to AP + Mesh?
On 11/24/08, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: erik wrote: On Mon, Nov 24, 2008 at 12:07:03AM -0500, John Watlington wrote: With release 8.2, the mesh interface is still up and available when connected to an AP. Address the laptops on a mesh network on the same channel via their self-assigned addresses (169.254.x.x) and you can ping and ssh them from an AP connected XO without problems. but can the zeroconf'ed machines access what's behind the AP? i.e., how do they learn of a default gateway? i assume this is the real intent behind the question. I for one would very much like to understand the dependencies of this setup... For instance, where are the self-assigned IP addresses coming from? How RFC 3297 paul do you get a list of XOs - IPs in the mesh neighborhood from the command line? (There was a script floating around the ml to do the latter but I can't find it now.) Erik =- paul fox, [EMAIL PROTECTED] give one laptop, get one laptop --- http://www.amazon.com/xo ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel Hi all, Do you think this is possible to do without network manager and the standard sugar interface? I'm running debxo. I got standard mesh (without NM) working fine, but so far I haven't had any luck associating to an AP and to a MeshNW simultaneously. Thanks! -- Ian Daniher -- OLPC Support Volunteer OLPCinci Repair Center Coordinator -- [EMAIL PROTECTED] Skype : it.daniher irc.freenode.net: Ian_Daniher ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: x11vnc and vncviewer for classroom
[EMAIL PROTECTED] wrote: Its not, but if one wants to boot some of the time as a thin client, and some of the time as as a standalone computer, then it becomes very handy. It also allows thin-clientness without altering the filesystem on the XO, preserving all the good work done on that software environment. What I was thinking of with the original question was the following scenario: An XO user runs the stock onboard software stack most of the time. The same user visits a location with an LTSP server. He wants to take advantage of the additional computing power available on that LTSP server, so he plugs into the ethernet, and boots disklessly as a LTSP thin client, w/o any reconfiguration necessary on his part, or any reconfiguration of the LTSP server. I happen to make solar powered LTSP servers that are being deployed in many of the same areas as the XO. I want to know what I need to support on the server side to allow this functionality. PXE requires no alteration to either system... hence my original question. Network boot is part of the normal sequence but it's after the other choices. The order is USB, then SD, then NAND, then USB wired ethernet, and finally wireless LAN. The reason for that order is because net boot is rarely used in our target customer scenario and the act of checking for network connectivity is time consuming. On most OFW systems, you could change that order simply by changing a configuration variable in non-volatile storage, but on OLPC, that ability is disabled, because I wanted the machine to really be like a toaster as far as the firmware is concerned - no knobs to turn to the wrong setting, and therefore no support calls resulting from incorrect settings. But there is a solution. OFW boots by loading a Forth script name /boot/olpc.fth . That script can be as short as a single boot command, but normally it does a few other things such as setting the Linux cmdline arguments to device-specific values (e.g. NAND booting requires root=mtd0 rootfstype=jffs2) and perhaps checking for firmware updates. That script can contain arbitrary Forth/OFW commands, so in the general case it can do anything that you want. You could modify /boot/olpc.fth on the NAND to perform some network operation to determine whether to go the network boot route, and if that operation fails, proceed with the normal boot Linux from NAND code. One quick test would be to see if a wired USB ethernet adapter is present; that can be done rather quickly, whereas actually going out onto the network and doing a DHCP operation can take several seconds, especially in the failing case where it has to retry several times. As an alternative to TFTP, you could also load the file via HTTP. That has advantages over TFTP in some network environments. XO's OFW firmware can load kernels and initramfs's over either USB Ethernet adapters or the built-in wireless, using TFTP or HTTP or NFS. OK, but that requires some user interaction with OFW, correct? As indicated above, that interaction can be automated by adding it to the /boot/olpc.fth script . You are saying that OFW can behave like PXE, by pulling a dhcp address via wireless then TFTPing a kernel/initrd? If so, that probably solves my problem, enumerated above. It could be as simple as changing the boot-device configuration variable in olpc.fth, the re-executing boot . But that would slow down the boot in the non-network case. It would be better if you could find some quick way to check. Wireless net boot has several steps that are reasonably quick in the success case, but rather long (due to timeouts and retries) in the fail case, including: * Downloading the wireless firmware to the WLAN chip (no timeout, but takes a second or two) * Scanning for and associating with an access point * Interacting with a DHCP server * Interactingn with a TFTP server It's also possible to boot diskless with root on NFS. In fact that's how the manufacturer runs their Linux-based burn-in diagnostics. LTSP uses a NBD for root filesystem in recent releases, iirc. That would be up to the Linux kernel to take care of that. You might have to set the cmdline properly or something in the olpc.fth script. OFW can load from an NFS server, but that ability is not necessary. The kernel and initramfs can be loaded from anywhere, then it can worry about the root fs for itself. What you can't do is run an absolutely stock distro, because you need a kernel that supports the OLPC-specific hardware. Which devices in particular? Can these device drivers be merged into the upstream kernel tree, or are we still dealing with a binary blob somewhere? There is an effort to get everything upstream, but I'm not sure about the status of that. There are several OLPC-specific devices - DCON, CaFe NAND, some audio GPIO tweaks - plus startup tweaks for interacting
Screen burn in question (XO B4 ~10 months use)
Hi list, Just a quick ping on the expected behaviour regarding 'screen burn in'. I'm starting to notice ghost image burn in across the top of the screen (XO B4** ~10 months use), where the standard toolbar dark grey usually sits. It's clear enough I can make out the search area, spyglass icon and input cursor line. It's not too visible when the screen is showing 100% white, but quite noticeable when a grey fill is being used. I can take a photo if anyone needs a reference. It suggests that having the actual lcd display power off (and not just backlight screen dimming) is important for more than just energy saving. ** BTW B4s lost most of their power saving feature support about the time I received mine for development work, so this one has had a life of screen on for most days. --Gary ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
Ben, This is brilliant! Definitely brightened my day. I just converted it to an xol bundle which you can try downloading... http://wiki.laptop.org/go/Image:Yay-Bee-See-2.xol You should create a page about it (and tell this story!) on our wiki... http://wiki.laptop.org/go/Yay-bee-see (page not created yet :) --SJ On Mon, Nov 24, 2008 at 12:21 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
In a same spirit, a friend of mine created jLearn: http://domosays.net/jlearn/. JLearn (JQuery learn) is a simple program that allows you to learn anything (if a quizz has been written of course!). From japanese alphabet to maths, passing by world capitals, anything can be learnt. JLearn interface is pretty simple: one box showing you the question, and one box to enter the answer. If you don't know the answer, just press the [space key] and it will be shown. Quizzes are submitted by the community, you can find some here or even write your own! He won a contest with OLPC France. Sebastien On Mon, Nov 24, 2008 at 9:15 PM, Samuel Klein [EMAIL PROTECTED] wrote: Ben, This is brilliant! Definitely brightened my day. I just converted it to an xol bundle which you can try downloading... http://wiki.laptop.org/go/Image:Yay-Bee-See-2.xol You should create a page about it (and tell this story!) on our wiki... http://wiki.laptop.org/go/Yay-bee-see (page not created yet :) --SJ On Mon, Nov 24, 2008 at 12:21 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.htmlhttp://xent.com/%7Ebsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.ziphttp://xent.com/%7Ebsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Greg S Weekly Report Week Ending November 21
Weekly report for Greg Smith. *** User link of the week (English): http://blog.stone-head.org/olpc-peru-a-silent-revolution/ Includes a review of XOs in rural Peru with insightful comment on the cultural context. On the technical side, the teacher and kids completely missed the XO's Collaboration capabilities! Worse, he assumes that our collaboration allows users to easily move files from one XO to another, something that is not available in the GUI right now. ** Status of last weeks goals: 1 - Update roadmap page: http://wiki.laptop.org/go/Feature_roadmap Follow up with deployments to verify priorities. Get a second level of detail from deployments on what they need. GS - Partially done. Lots more to go. Reordered and tweaked my top suggestions for next release: http://wiki.laptop.org/go/Feature_requests#Greg.27s_Top_9_Feature_Requests Added some details to the following requirements: - Copy file form one XO to another requirements http://wiki.laptop.org/go/Feature_roadmap#Object_transfer - Run any linux app on XO http://wiki.laptop.org/go/Feature_roadmap#Easy_.22Sugarization.22 - Updated activation lease security one more time with details from Ethiopia http://wiki.laptop.org/go/Feature_roadmap#Activation_lease_security -UI section of the performance requirement http://wiki.laptop.org/go/Feature_roadmap#General_UI_sluggishness 2 - Listen to ideas and plans from Sugar camp and integrate them in the Feature roadmap page as needed. GS - Done. Sat in on most meetings from Tuesday to Friday. Made a few updates to the Roadmap page based on discussions. 3 - Start process and operations page for 9.1 release. Come up with Trac conventions and other tracking systems for execution of a quality release. GS - Not done. 4 - Update school server wiki pages and documentation. Add links to Readme files to 0.5 release notes. Mark older pages obsolete and try to make it crystal clear what the server supports now. GS - Not done yet. Prepared edits to only include supported features in http://wiki.laptop.org/go/School_server *** Goals for next week 1 - Build 9.1 project page and select top high level feature requests and layout rough schedule. 2 - Define Trac usage and Trac scrub plan for 9.1 3 - Fill in requirements definition for top 9.1 features and engage engineers. 4 - Update School Server documentation. ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
New joyride build 2566
http://xs-dev.laptop.org/~cscott/olpc/streams/joyride/build2566 Changes in build 2566 from build: 2565 Size delta: 0.00M -kernel 2.6.27-20081124.1.olpc.8894c7ce0e33d87 +kernel 2.6.27-20081124.2.olpc.a47f7144dd2fd0a -sugar 0.83.2-3.20081014git7b4fb9054d.olpc4 +sugar 0.83.3-1.olpc4 -sugar-presence-service 0.83.1-1.olpc4 +sugar-presence-service 0.83.1-2.olpc4 -sugar-toolkit 0.83.1-3.20081014git6dfff85f9f.olpc4 +sugar-toolkit 0.83.2-3.olpc4 --- Changes for sugar 0.83.3-1.olpc4 from 0.83.2-3.20081014git7b4fb9054d.olpc4 --- + fix uninstalling activities from the home view + Make sugar control panel support selection of multiple languages d.l.o + #8876 add saving and loading of the nm connections and support for WPA + Implement a global handler for the view source key + Initial implementation of activity notifications + d.s.o #9 wireless network frame device. + #8876 Make sugar control panel support selection of multiple languages + d.s.o #7 update Icon in the AP palette + #8131 Control Panel needs to list wireless firmware version --- Changes for sugar-toolkit 0.83.2-3.olpc4 from 0.83.1-3.20081014git6dfff85f9f.olpc4 --- + add the sources actually + rebuilt + Fixed misformed plural equation (russian po) + Add view-source-related methods HandleViewSource and GetDocumentPath -- This mail was automatically generated See http://dev.laptop.org/~rwh/announcer/joyride-pkgs.html for aggregate logs See http://dev.laptop.org/~rwh/announcer/joyride_vs_update1.html for a comparison ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
x11vnc and vncviewer for classroom
From the original email by Arjun Sarwal: The idea is that in a classroom, teacher wants to have these intermediate sessions where he just wants to explain to kids by doing things on his screen - mainly go through specific pages of a pdf while simultaneously explaining something orally. There are ~30 kids in the classroom. Another option to accomplish this is to stream the screen of the Ubuntu machine as ogg and then the XOs can simply play the stream via totem. On my Ubuntu box, I installed Istanbul, changed my screen resolution to 800x600, then did this to stream my entire desktop to the icecast server on my XS 0.4 test box: gst-launch-0.10 oggmux name=mux ! shout2send ip=myip port=port password=secret mount=ubuntu.ogg istximagesrc name=videosource use-damage=false endx=800 endy=600 ! video/x-raw-rgb,framerate=5/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=800,height=600,framerate=5/1 ! theoraenc ! queue ! mux. The stream looked really good on the XO - very clear and legible. The settings probably need tweaking, though, to scale up to ~30 users. I haven't tried setting up icecast on Ubuntu, but it should be possible to stream and broadcast on the same machine. At any rate, this doesn't require anything extra to be installed on the XOs themselves. Anna Schoolfield Birmingham ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: x11vnc and vncviewer for classroom
*My previous post turned up blank for some reason. Sorry about that. Hopefully this works* From the original email by Arjun Sarwal: The idea is that in a classroom, teacher wants to have these intermediate sessions where he just wants to explain to kids by doing things on his screen - mainly go through specific pages of a pdf while simultaneously explaining something orally. There are ~30 kids in the classroom. Another option to accomplish this is to stream the screen of the Ubuntu machine as ogg and then the XOs can simply play the stream via totem. On my Ubuntu box, I installed Istanbul, changed my screen resolution to 800x600, then did this to stream my entire desktop to the icecast server on my XS 0.4 test box: gst-launch-0.10 oggmux name=mux ! shout2send ip=myip port=port password=secret mount=ubuntu.ogg istximagesrc name=videosource use-damage=false endx=800 endy=600 ! video/x-raw-rgb,framerate=5/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=800,height=600,framerate=5/1 ! theoraenc ! queue ! mux. The stream looked really good on the XO - very clear and legible. The settings probably need tweaking, though, to scale up to ~30 users. I haven't tried setting up icecast on Ubuntu, but it should be possible to stream and broadcast on the same machine. At any rate, this doesn't require anything extra to be installed on the XOs themselves. Anna Schoolfield Birmingham ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
On Mon, Nov 24, 2008 at 4:31 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? Correct URL: http://xent.com/~bsittler/yay-bee-see-olpc/yay-bee-see.html Sameer On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: x11vnc and vncviewer for classroom
Hi Mitch, Thanks for the very complete response. You are saying that OFW can behave like PXE, by pulling a dhcp address via wireless then TFTPing a kernel/initrd? If so, that probably solves my problem, enumerated above. It could be as simple as changing the boot-device configuration variable in olpc.fth, the re-executing boot . But that would slow down the boot in the non-network case. It would be better if you could find some quick way to check. I concur, that is probably the best solution. No need to waste time in the boot sequence. If I had an XO here, I would be coding as we speak. The original G1G1 machine(s) I was supposed to get through a third party got borked with the paypal thing, so I have none, and do not want to bug my donor for another try. There is an effort to get everything upstream, but I'm not sure about the status of that. There are several OLPC-specific devices - DCON, CaFe NAND, some audio GPIO tweaks - plus startup tweaks for interacting with the OFW device tree to get the system configuration, embedded controller interaction for battery status, and fast non-ACPI power management code. ack. The only binary blob component is the firmware for the wireless LAN module. iirc, that is a full SOC device from marvell, correct? any progress on that front? Thanx, Scott ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Packet loss during wireless scans (Testing needed)
Hi, I've been debugging a packet loss issue with the VideoChat application for the last few days. After a fair bit of fiddling I discovered the packet loss is being caused by network scans being performed by Network Manager. We are seeing 0.4-0.8 second losses of network connectivity when these occur. I've filed a bug here https://dev.laptop.org/ticket/9048 The problem is easily reproducible by doing the following ping -i 0.1 GATEWAY_IP iwlist eth0 scan You should see two lots of 4 packets drop and the antennae light on the XO should flash. My testing has been on Build: 767 Firmware: Q2E18 Marvel Firmware: 5.110.22.p18 Could others with other builds please test to see if this has been around for a while. Email me privately and I'll summarise in the ticket. Cheers, John -- Bloghttp://www.inodes.org/blog OLPC Friends http//olpcfriends.org ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
thanks, i forgot to create the index.html symlink on that web server :) http://xent.com/~bsittler/yay-bee-see-olpc/ should work now. On Mon, Nov 24, 2008 at 4:47 PM, Sameer Verma [EMAIL PROTECTED] wrote: On Mon, Nov 24, 2008 at 4:31 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? Correct URL: http://xent.com/~bsittler/yay-bee-see-olpc/yay-bee-see.html Sameer On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
Ben -- When you're zipping up the directory, if you add a metadata file in this subpath: library/library.info and give the resulting zip file the extension .xol, you'll have an XO library bundle. Here is a sample info file, with all required fields : http://wiki.laptop.org/go/Image:Yay-bee-see-library.info Note that the 'name' field in the info file should match the name of the root directory. Our standard is to increment the version # in the metadata every time you make a change; that allows tools like Sugar's software updater know when there are newer versions of packages available to install. SJ On Mon, Nov 24, 2008 at 7:31 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,) Skype (not bundled, but she uses it to talk to and see far-away family,) and listening to music (theclassicalstation.org). She also likes pressing buttons, rotating the ears and screen, and opening and closing the laptop. However, she seems somewhat frustrated by not being able to do things on it for herself (or as she puts it, do it self!,) so I thought I might write a small program where her keypresses give some feedback, and help reinforce her interest in the digits and letters of the alphabet (she loves being read to and recognizes many letters and digits, but does not seem to understand reading yet.) -Ben ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
Thanks! A few questions, though: 1. Is there any reason I shouldn't start with your version 2 .xol as my baseline? I'd like to update it to use the new lower-resolution, lower-quality images (which still look just fine on the XO-1 even in greyscale high-resolution mode zoomed out to the 1px = 1px scale.) 2. Is there some way to install the .xol more user-friendly than just unzipping it into the ~/Library directory? 3. I notice that in the description on the wiki for the bundle you wrote fdl text, pd, cc-by and cc-sa images. Some of the images are cc-by-sa and fdl, too. Also, the HTML text is actually pd (or at least it was in the version I released — of course you are welcome to license copyrighted derivative versions however you like.) 4. And finally, is there some reason the OLPC wiki does not work right when viewed from an XO-1? I had to go through URL-hacking contortions to open that page in Browse (it just said the page was empty otherwise.) Thanks, (and please pardon my ignorance!) -Ben On Mon, Nov 24, 2008 at 8:43 PM, Samuel Klein [EMAIL PROTECTED] wrote: Ben -- When you're zipping up the directory, if you add a metadata file in this subpath: library/library.info and give the resulting zip file the extension .xol, you'll have an XO library bundle. Here is a sample info file, with all required fields : http://wiki.laptop.org/go/Image:Yay-bee-see-library.info Note that the 'name' field in the info file should match the name of the root directory. Our standard is to increment the version # in the metadata every time you make a change; that allows tools like Sugar's software updater know when there are newer versions of packages available to install. SJ On Mon, Nov 24, 2008 at 7:31 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application: http://xent.com/~bsittler/yay-bee-see.html an archive of the application (ZIP, ~15 MiB) including all images: http://xent.com/~bsittler/yay-bee-see.zip blog post about it: http://bsittler.livejournal.com/15244.html background: My daughter (who turns two this week) has been enjoying her OLPC from last year's G1G1 program much more than I expected she would (originally I intended to wait until she was older and literate to introduce her to the OLPC, but she seemed to treat it as a favorite toy starting around the age of 18 months.) She likes the Record activity (she calls it Waving hand and uses it like a mirror-image mirror,)
Re: Yay!, Bee, See (ABC) software
On 25 Nov 2008, at 04:55, Ben Wiley Sittler wrote: 2. Is there some way to install the .xol more user-friendly than just unzipping it into the ~/Library directory? Hi Ben, on an XO, Browse will recognise .xol bundles and will download and hand them to Journal which installs and adds them (if the bundle is correctly formed) to the default Browse home page (linked in the right tool bar, auto unzipped into the library area). At least last time I tested :-) --Gary ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
Yes, that's a fine baseline. As you point out, I had a hard time with the license field; enter what you like but please do include a full LICENSE file in the bundle that provides specific licenses (and attribution where required), image by image. If you download an xol file onto your xo from a webserver that has mimetypes set properly (such as w.l.o) it should automatically install itself into your Library/ directory. I don't know about that page not rendering properly on an XO; what version of Browse are you running? SJ On Mon, Nov 24, 2008 at 11:55 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: Thanks! A few questions, though: 1. Is there any reason I shouldn't start with your version 2 .xol as my baseline? I'd like to update it to use the new lower-resolution, lower-quality images (which still look just fine on the XO-1 even in greyscale high-resolution mode zoomed out to the 1px = 1px scale.) 2. Is there some way to install the .xol more user-friendly than just unzipping it into the ~/Library directory? 3. I notice that in the description on the wiki for the bundle you wrote fdl text, pd, cc-by and cc-sa images. Some of the images are cc-by-sa and fdl, too. Also, the HTML text is actually pd (or at least it was in the version I released — of course you are welcome to license copyrighted derivative versions however you like.) 4. And finally, is there some reason the OLPC wiki does not work right when viewed from an XO-1? I had to go through URL-hacking contortions to open that page in Browse (it just said the page was empty otherwise.) Thanks, (and please pardon my ignorance!) -Ben On Mon, Nov 24, 2008 at 8:43 PM, Samuel Klein [EMAIL PROTECTED] wrote: Ben -- When you're zipping up the directory, if you add a metadata file in this subpath: library/library.info and give the resulting zip file the extension .xol, you'll have an XO library bundle. Here is a sample info file, with all required fields : http://wiki.laptop.org/go/Image:Yay-bee-see-library.info Note that the 'name' field in the info file should match the name of the root directory. Our standard is to increment the version # in the metadata every time you make a change; that allows tools like Sugar's software updater know when there are newer versions of packages available to install. SJ On Mon, Nov 24, 2008 at 7:31 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour resolution abilities: http://wiki.laptop.org/go/Display --Gary overview: I wrote some software using DHTML (JavaScript, HTML and CSS.) It's to help learn letters and numbers, and is intended to be used with adult supervision and involvement. It is fairly easy to customize it to use different images and support different alphabets simply by editing the contents of the style element in the HTML file. The software is very, very, very simple — it just echoes typed letters and numbers in a large, colorful font and shows a somewhat-relevant background image for each one. The images are various freely-usable ones I found on Wikipedia or in the Wikimedia Commons. View source code for full copyright information for the associated images. online version of the Yay!, Bee, See application:
Touch pads
Some feedback on touch pads. I returned to the PNG trials school of Giare last week to do some training, and noticed several of the XO-1s (received in June 08) and running version 8.2 suffering very badly from the touchpad problem. One boy's laptop was almost unusable. We tried chalk, the 4 finger salute, rebooting, etc. Despite this, he managed to do the attached with Paint in the morning when it was cooler. During the afternoon the temperature must have been 35 deg C and 90% humidity. Is this problem likely to be solved with software updates? David Leeming Solomon Islands, South Pacific attachment: Tau-1.png___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
Re: Yay!, Bee, See (ABC) software
Hi, I just uploaded (after several botched attempts) a new version which adds a LICENSE file with attribution and licensing information for each image. Does this look sufficient? http://wiki.laptop.org/go/Image:Yay-Bee-See-5.xol I'm not sure what I was doing wrong before, but it seems to work with the new version. As for the Wiki problem, the XO-1 can't access the following Wiki page (it gets a message about the page being empty:) http://wiki.laptop.org/go/Yay-bee-see However the following URL works fine: http://wiki.laptop.org/index.php?title=Yay-bee-see This happened both in Browse and in Firefox on the XO-1. Lynx and ELinks on the OLPC had no problem displaying either page, and neither did Firefox on a Mac. Thanks, -Ben On Mon, Nov 24, 2008 at 9:08 PM, Samuel Klein [EMAIL PROTECTED] wrote: Yes, that's a fine baseline. As you point out, I had a hard time with the license field; enter what you like but please do include a full LICENSE file in the bundle that provides specific licenses (and attribution where required), image by image. If you download an xol file onto your xo from a webserver that has mimetypes set properly (such as w.l.o) it should automatically install itself into your Library/ directory. I don't know about that page not rendering properly on an XO; what version of Browse are you running? SJ On Mon, Nov 24, 2008 at 11:55 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: Thanks! A few questions, though: 1. Is there any reason I shouldn't start with your version 2 .xol as my baseline? I'd like to update it to use the new lower-resolution, lower-quality images (which still look just fine on the XO-1 even in greyscale high-resolution mode zoomed out to the 1px = 1px scale.) 2. Is there some way to install the .xol more user-friendly than just unzipping it into the ~/Library directory? 3. I notice that in the description on the wiki for the bundle you wrote fdl text, pd, cc-by and cc-sa images. Some of the images are cc-by-sa and fdl, too. Also, the HTML text is actually pd (or at least it was in the version I released — of course you are welcome to license copyrighted derivative versions however you like.) 4. And finally, is there some reason the OLPC wiki does not work right when viewed from an XO-1? I had to go through URL-hacking contortions to open that page in Browse (it just said the page was empty otherwise.) Thanks, (and please pardon my ignorance!) -Ben On Mon, Nov 24, 2008 at 8:43 PM, Samuel Klein [EMAIL PROTECTED] wrote: Ben -- When you're zipping up the directory, if you add a metadata file in this subpath: library/library.info and give the resulting zip file the extension .xol, you'll have an XO library bundle. Here is a sample info file, with all required fields : http://wiki.laptop.org/go/Image:Yay-bee-see-library.info Note that the 'name' field in the info file should match the name of the root directory. Our standard is to increment the version # in the metadata every time you make a change; that allows tools like Sugar's software updater know when there are newer versions of packages available to install. SJ On Mon, Nov 24, 2008 at 7:31 PM, Ben Wiley Sittler [EMAIL PROTECTED] wrote: yeah, i added a 1200x900 version with more agressive JPEG compression which looks good both in color mode and in monochrome mode and is only 4 MiB or so: http://xent.com/~bsittler/yay-bee-see-olpc.zip hosted version: http://xent.com/~bsittler/yay-bee-see-olpc/index.html does that seem any faster? On Mon, Nov 24, 2008 at 3:26 PM, Gary C Martin [EMAIL PROTECTED] wrote: On 24 Nov 2008, at 17:21, Ben Wiley Sittler wrote: Hi, I have just joined this list and read through the archives, but could not find anything similar. I also didn't find mention of anything similar on the OLPC Wiki. I recently wrote some software for use by my daughter on her OLPC. It runs inside the Browse activity, either locally using a file: URI or over the network. I don't know whether it will be of interest to anyone else, but I have released the software to the public domain and packaged it along with scaled-down (1600x1200 or less) copies of some public-domain images and some copyrighted-but-free-to-redistribute images under GFDL, and various Creative Commons Attribution-Share Alike, Attribution, and Share Alike licenses. Individual attribution for each image is included in the application source code. Seems a great addition for the younger age range :-) I did notice that even on a high specced laptop (1.5Ghz, 2Gb ram, broadband connection) the background image was very slow to display (until it had been cached locally). One suggestion, 1600x1200 seems a bit large (even as a max size). For the XO, 800x600 (max!) would seem to be a fair max image size to save nand space and keep image quality. The XO screen is capable of 1200x900 in black/white, and 800x600 seems a reasonable number for it's colour
Re: [Server-devel] ejabberd tests with old and new TLS code
Le samedi 22 novembre 2008 à 13:17 +1300, Douglas Bagnall a écrit : Actually hyperactivity does create fake activities, though I am not sure to what extent it really shares them. Hopefully someone from Collabora can explain it better (I'm interested too). Yes, it does. Fake activities are created, joined used and left randomly. G. ___ Server-devel mailing list Server-devel@lists.laptop.org http://lists.laptop.org/listinfo/server-devel
[Server-devel] XS-0.5 xs-activity-server mis-sorts activities.
Jack Zielke discovered that xs-activity-server was sorting activities versions lexically, so that version 2 would appear newer than version 10. This is fixed in git and in the following rpm, but is broken in XS-0.5. http://xs-dev.laptop.org/xsrepos/testing/olpc/9/i386/xs-activity-server-0.2.11.g52cd2c8-1.xs9.noarch.rpm (this is #9030). douglas ___ Server-devel mailing list Server-devel@lists.laptop.org http://lists.laptop.org/listinfo/server-devel
