April 2013 - Oberon - mailman3.inf.ethz.ch

Re: [Oberon] WITH removal in Oberon-07
by Paul Reed 13 Mar '14

13 Mar '14

> Date: Thu, 21 Feb 2013 22:52:05 +0100 > From: "Frans-Pieter Vonck" <fp(a)vonck.nl> > Subject: Re: [Oberon] WITH removal in Oberon-07 Hi Frans-Pieter, > i watched your presentation at MEDIA OberonDay2011. > Am I right that you made an ARM emulator first. No. The virtual machine is RISC, as in Prof. Wirth's Compiler Construction book (published in English in 1996 and updated on his home page http://www.inf.ethz.ch/personal/wirth/) > And did you use this emulator to ran Oberon System07 on top of it? It's not called System07, but it's basically the original system in the Project Oberon book, modified to compile under Oberon-07, run inside a RISC virtual machine executing on a bare-metal PC. > You showed a Spartan FPGA. I scanned through the Verilog ARM code. But > that seems a to big leap to me. I don't know what Verilog code you are referring to here. The Spartan-3 board only has 500K gates and 1MB of external static RAM, so it's much smaller and simpler than a typical ARM system. But ideal for Oberon. > Do you think it is possible to run [The Oberon System, compiled in Oberon-07] on an of the shelf > board with a Cortex M3 processor? I don't see why not, but most small ARM boards don't have a video framebuffer. The Raspberry Pi does, but it's a complicated board, as I've said before. The Oberon inner core (Kernel, FileDir, Files, Modules) and even the text system do not actually require a framebuffer display, so you could build a hybrid system. Using a simple FPGA board allows us to avoid the vast and irrelevant complexity inherent with most ARM System-on-Chip (SoC) systems; but since field-programmable gate arrays are so flexible, they will never be as cheap or as fast as a dedicated ARM. That's life. :) HTH Paul

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Can ETHO be ported to ARM?
by eas lab 13 Jan '14

13 Jan '14

No, not the <language>, but the unique interface of S3/V4. What matters is the human-interface. That's what determines your productivety [maximum gain for minimum pain]. Not needing to switch between awkward F-keys and the screen, and having easy access to multiple text-files together, and each text-view having <what the bottle does, written on the bottle, instead of in the filing cabinet>. Porting ETHO to linux [both S3 & V4] was a killer app:. you get the Inet capability of *nix together with the superior human-interface of ETHO, plus you can view *pdf, LaTex..etc. on the same screen. For tricky problems, needing simultaneous views of: email/s, USEnet/s, your test-logs EHO is unbeaten, especially with the text colouring facilities, which help extract the meaning of difficult explanations. Because opeing/closing a new ETHO-for-linux takes a second, it's viable to have several copies running in the various dirs, which are handling current problems. Real life doesn't allow fixing one problem at a time. Can those of us who want to escape the WinTel monopoly, hope to use ARM based CPUs with an ETHO-like interface, by a porting of the existing/proven code? == Chris Glur. PS. LNO's inability to easily navigate the dir-tree, limits its utility.

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new symbol file
by peasthope＠shaw.ca 07 May '13

07 May '13

In ETHO, when a new variable is exported from SVGA.Display.Mod and Compiler.Compile is applied, it yields this error. arrow1 is new pos 0 err 155 generation of new symbol file not allowed The \s option will allow the new variable in the interface of the module, if that is the right terminology. Is recompilation of all modules importing Display.Mod essential? For example, if the new variable is exported from SVGA.Display.Mod but not used in Oberon.Mod and Oberon.Mod is not recompiled, will the system be broken? Auxilliary question: what exactly is "symbol file"? Just a synonym for "object file"? Thanks, ... Peter E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 12 Tel +13606390202 Bcc: peasthope at shaw.ca http://carnot.yi.org/ "http://members.shaw.ca/peasthope/index.html#Itinerary "

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aux port
by peasthope＠shaw.ca 03 May '13

03 May '13

Hello, http://www.ethoberon.ethz.ch/native/WebAlpha.html has, "Fix Keyboard/Aux init problems on some machines (PS2 option in ConfigMouse). VGA bug?" and Input.Mod has "PS/2 Aux port ... auxoverflows ... auxbuf ..." What is the meaning of "aux". It is not in http://en.wikipedia.org/wiki/PS/2_connector . Is is merely a synonym for PS/2 which is suitable for use in source code? Thanks, ... Peter E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 12 Tel +13606390202 Bcc: peasthope at shaw.ca http://carnot.yi.org/ "http://members.shaw.ca/peasthope/index.html#Itinerary "

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new symbol file
by peasthope＠shaw.ca 21 Apr '13

21 Apr '13

>From chris at cfbsoftware.com Mon Apr 15 00:16:16 2013 > Read section 12.6 'Searching the symbol table, and symbol files' in Wirth's > 'Project Oberon' book for a thorough explanation. I should have read this book years ago. It covers the details not in Reiser, _The Oberon System_. Thanks, ... Peter E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 12 Tel +13606390202 Bcc: peasthope at shaw.ca http://carnot.yi.org/ "http://members.shaw.ca/peasthope/index.html#Itinerary "

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Re: [Oberon] call ioctl() function in linux from AOS
by F. Necati Ecevit 14 Apr '13

14 Apr '13

V4L2 and FFTW modules are added to the ocp community repository: https://www.ocp.inf.ethz.ch/svn/ocp/trunk/ - Necati. > Hello, is there any way to call ioctl() function in linux from AOS? > ioctl() is being used to control UVC (V4L2) webcameras in linux. > What I would basically like to do in aos is write some simple image > grabber for usb webcamera. > Because of ioctl() clib calls I cannot get any further. > > Zdenek

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call ioctl() function in linux from AOS
by Zdenek 13 Apr '13

13 Apr '13

Hello, is there any way to call ioctl() function in linux from AOS? ioctl() is being used to control UVC (V4L2) webcameras in linux. What I would basically like to do in aos is write some simple image grabber for usb webcamera. Because of ioctl() clib calls I cannot get any further. Zdenek

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Re: [Oberon] call ioctl() function in linux from AOS
by F. Necati Ecevit 12 Apr '13

12 Apr '13

Hi Zdenek and Soren; I had written interface modules for libv4l2.so, libv4lconvert.so and a client module that is adapted from T. Frey's VideoExaple.Mod for LinuxAos. If you like I can send you or if somebody can direct me I would like to publish it on somewhere so that anybody can use and extend it. What should I do ? - Necati. I have also FFTW modules that i would like to publish.. > Hello, is there any way to call ioctl() function in linux from AOS? > ioctl() is being used to control UVC (V4L2) webcameras in linux. > What I would basically like to do in aos is write some simple image > grabber for usb webcamera. > Because of ioctl() clib calls I cannot get any further. > > Zdenek

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Re: [Oberon] Oberon Digest, Vol 108, Issue 6
by Søren Renner 11 Apr '13

11 Apr '13

Zdenek -- I don't know the answer to your question yet, but I can tell you that it is of real interest to me, because I have sitting here a Kinect which I would like to code a linux - aos interface for. On Thu, Apr 11, 2013 at 10:00 AM, <oberon-request(a)lists.inf.ethz.ch> wrote: > Send Oberon mailing list submissions to > oberon(a)lists.inf.ethz.ch > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.inf.ethz.ch/mailman/listinfo/oberon > or, via email, send a message with subject or body 'help' to > oberon-request(a)lists.inf.ethz.ch > > You can reach the person managing the list at > oberon-owner(a)lists.inf.ethz.ch > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Oberon digest..." > > > Today's Topics: > > 1. call ioctl() function in linux from AOS (Zdenek) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 10 Apr 2013 18:46:04 +0200 > From: Zdenek <oberon(a)moravcik.info> > Subject: [Oberon] call ioctl() function in linux from AOS > To: oberon(a)lists.inf.ethz.ch > Message-ID: <5165974C.7020803(a)moravcik.info> > Content-Type: text/plain; charset=ISO-8859-1 > > Hello, is there any way to call ioctl() function in linux from AOS? > ioctl() is being used to control UVC (V4L2) webcameras in linux. > What I would basically like to do in aos is write some simple image > grabber for usb webcamera. > Because of ioctl() clib calls I cannot get any further. > > Zdenek > > > > > ------------------------------ > > -- > Oberon(a)lists.inf.ethz.ch mailing list for ETH Oberon and related systems > https://lists.inf.ethz.ch/mailman/listinfo/oberon > > > End of Oberon Digest, Vol 108, Issue 6 > ************************************** >

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MODULE WMAnimations
by Zdenek 09 Apr '13

09 Apr '13

Could someone hint me on sources explaining the use of module WMAnimations ? Is it still in alpha state, unusable, undocumented or is it already working? Also on the first line of the module stands "(** AUTHOR "staubesv"; PURPOSE "Visual components for animations"; *)" Is it somehow possible to deduce email of the author(s) from "staubesv" (to not bother others in the list with such emails)? Thanks Zdenek

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