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by rwaltman
Thu Mar 08, 2012 5:02 pm
Forum: Other projects
Topic: Raspberry Pi based Synthesizer
Replies: 56
Views: 27299

Re: Raspberry Pi based Synthesizer

<t>colincoach said: <br/> <br/> <br/> No great expectations of something for £25 replicating a Polymoog ...<br/> <br/> <br/> Why not? I think a modern ARM processor such as the one in the Pi is capable of emulating an eight-sounds synthesizer released 37 years ago.<br/> <br/> Look at pianoteq.com to...
by rwaltman
Sat Feb 25, 2012 12:10 am
Forum: Off topic discussion
Topic: The general public
Replies: 11
Views: 2000

Re: The general public

JustThisGuy said:

One of my dreams, from back in the days when computers filled offices, was to someday have a Cray in a pocket watch.

Getting there:   http://chrisfenton.com/homebrew-cray-1a/
by rwaltman
Fri Feb 24, 2012 12:09 am
Forum: General discussion
Topic: A question about timing
Replies: 32
Views: 11495

Re: A question about timing

<r>Caleb,<br/> <br/> As already pointed out, the precision and stability of a garden variety crystal oscillator may not be enough for your needs, but the later is easy to improve.<br/> <br/> The main factors affecting the (short term) frequency stability of an oscillator are [a] voltage supply, <B><...
by rwaltman
Tue Feb 14, 2012 7:29 pm
Forum: Other projects
Topic: HDMI Power?
Replies: 7
Views: 2227

Re: HDMI Power?

<t>th3count said: <br/> <br/> Would it not be possible to bridge the 5v from the HDMI to the 5V on the USB and pull power from a display/monitor?<br/> I don't know what the official HDMI specs say,  but I don't think this is a viable solution.<br/> <br/> The 5Volt line in HDMI is not a general purpo...
by rwaltman
Fri Jan 13, 2012 3:53 pm
Forum: General discussion
Topic: DVI/HDMI conversion
Replies: 5
Views: 1762

Re: DVI/HDMI conversion

<t>Method said: <br/> <br/> I have two DVI output monitors (W2252TQ/W2261VP) ...<br/> ...  because it's a digital to digital conversion it'd work fine<br/> <br/> There is no "conversion"<br/> <br/> HDMI = [DVI video signals in one group of pins]   +<br/> <br/> [Audio signals in additional group of t...
by rwaltman
Tue Dec 20, 2011 4:55 pm
Forum: Off topic discussion
Topic: Alternative lightweight DEs
Replies: 11
Views: 3529

Re: Alternative lightweight DEs

Awesome may be awesome, but a window manager is not a "Desktop Environment"
--
Roberto Waltman
by rwaltman
Fri Dec 16, 2011 7:28 pm
Forum: Off topic discussion
Topic: Very Off Topic Help Needed
Replies: 5
Views: 1366

Re: Very Off Topic Help Needed

<r>Mark Hudson<br/> Hi.. this really is nothing to do with RPi, ...<br/> ...VST Plugin development and the Steinberg SDK ...<br/> ... built this on a Windows PC, but on Linux it isn't working. ...<br/> <br/> This would be a better place to ask:<br/> <br/> <URL url="http://linuxaudio.org/">http://lin...
by rwaltman
Mon Dec 12, 2011 8:20 pm
Forum: Off topic discussion
Topic: Rant: Netbooks were better three years ago
Replies: 32
Views: 8611

Re: Rant: Netbooks were better three years ago

nobbit
... Do you know any computer out there that fits the criterias? ...


Answering to the ARM subset only:

* Toshiba AC100
* EFIKA MX Smartbook

(Both have 1/2 Gbyte memory, not 1Gb.)

--
Roberto Waltman
by rwaltman
Tue Dec 06, 2011 4:33 pm
Forum: General discussion
Topic: Windows CE 6
Replies: 37
Views: 11831

Re: Windows CE 6

<t><rant> It would be nice if questions about Windows CE, (or any other subject,) were answered by people that actually know what they are talking about </rant><br/> <br/> Windows CE could run in the R-PI without any problem. (It supports ARM, MIPS, SH4 and x86 processors.) A 256Mbyte memory is huge...
by rwaltman
Mon Dec 05, 2011 6:42 pm
Forum: Other projects
Topic: LambdaPi
Replies: 9
Views: 4320

Re: LambdaPi

Interesting - Did you try it in any real ARM hardware?
( I have a couple of boards that would be nice guinea pigs, but no free time at all ... )
--
Roberto Waltman
by rwaltman
Sat Oct 22, 2011 7:45 pm
Forum: Off topic discussion
Topic: qemu on CE5
Replies: 20
Views: 6067

Re: qemu on CE5

<r>I read again this thread from the start, trying to clean up some incongruencies . (For starters, shouldn't it be "CE5 on QEMU"?)<br/> <br/> A few points to ponder, in no particular order:<br/> <br/> 1) If the goal is to run Windows-CE on the R-PI hardware, why CE 5?<br/> CE 5.0 has been supersede...
by rwaltman
Sat Oct 22, 2011 6:19 pm
Forum: Off topic discussion
Topic: qemu on CE5
Replies: 20
Views: 6067

Re: qemu on CE5

<t>rwaltman<br/> I wouldn't count on them - [ "light" versions of Office ] They are good enough to read on a portable device documents prepared somewhere else, but not for actual work on the device.<br/> I take that back. Forgot for a moment that the R-PI is supposed to be used with an external moni...
by rwaltman
Thu Oct 20, 2011 11:25 pm
Forum: Off topic discussion
Topic: qemu on CE5
Replies: 20
Views: 6067

Re: qemu on CE5

<t>obarthelemy<br/> That sounds good. looks XP-ish so people won't be thrown off, and there's "light" versions of Office for it too.<br/> I wouldn't count on them - They are good enough to read on a portable device documents prepared somewhere else, but not for actual work on the device.<br/> .Not s...
by rwaltman
Thu Oct 20, 2011 6:37 pm
Forum: Other projects
Topic: Scheme / Lisp on the metal
Replies: 2
Views: 3045

Re: Scheme / Lisp on the metal

<r>tufty<br/> ...I'm currently developing a Scheme / Lisp based OS for distributed processing (I've currently got a toy implementation ... running on an STM32 chip)<br/> <br/> Oh no,<br/> Like if I didn't have enough projects in my "I would like to" list already.<br/> Looking at my STM32F103 board ....
by rwaltman
Wed Oct 19, 2011 5:34 pm
Forum: Other projects
Topic: My Pal...and Roku hacking
Replies: 27
Views: 15233

Re: My Pal...and Roku hacking

<t>jamesh <br/> Just so you don't ask, I'm know nothing about the Roku security or the particulars of its software...<br/> <br/> Sorry, foggy memory. I'm sure one of the admins wrote that "an R-PI binary would not run on the Roku 2 for a variety of reasons", but I don't remember the exact wording, a...
by rwaltman
Wed Oct 19, 2011 3:26 am
Forum: General discussion
Topic: External USB disk drive as storage
Replies: 31
Views: 6676

Re: External USB disk drive as storage

<r>[quote]<B><s>[b]</s>Lob0426<e>[/b]</e></B><br/> ...the \"laptop\" sized (2.5\") external drives they will work just fine. They are 5v. ...can solve this with a USB \"Y\" cable which powers it with two USB ports. The powered hub is another option also. A third option would be too power it external...
by rwaltman
Wed Oct 19, 2011 2:22 am
Forum: Other projects
Topic: My Pal...and Roku hacking
Replies: 27
Views: 15233

Re: My Pal...and Roku hacking

rwaltman
... about to download and run nmap and see what it reveals...

No luck. nmap found 8 open TCP ports on the Roku 2, but failed to recognize the services provided and/or the OS.

--
Roberto Waltman
by rwaltman
Wed Oct 19, 2011 1:29 am
Forum: Other projects
Topic: My Pal...and Roku hacking
Replies: 27
Views: 15233

Re: My Pal...and Roku hacking

<r>garyamort<br/> I did run across ... <URL url="http://www.cs.cmu.edu/~ecc/roku-nfp.html">http://www.cs.cmu.edu/~ecc/roku-nfp.html</URL><br/> <br/> Thanks for the link, but that page is from August 2008, so the information there is not likely to apply to the current models. ( It mentions "Roku", no...
by rwaltman
Tue Oct 18, 2011 5:58 pm
Forum: Other projects
Topic: My Pal...and Roku hacking
Replies: 27
Views: 15233

Re: My Pal...and Roku hacking

<t>Lob0426<br/> The ROKU2 will be a little tougher to get a usable Linux on than a RasPi. It only has 64MiB of system memory to work with ...<br/> <br/> I am interested in running real-time kernels such as FreeRTOS, echos, RTEMS, etc. on the Raspberry-Pi. (and on the Roku as a stepping stone.)<br/> ...
by rwaltman
Mon Oct 17, 2011 8:43 pm
Forum: General discussion
Topic: How many of these will you guys be producing?
Replies: 14
Views: 2361

Re: How many of these will you guys be producing?

[quote]jamesh
So don\'t expect a C for months and months and months.[/quote]

1, 2, 3: Got it! 3 months from today you said? :)

--
Roberto Waltman
by rwaltman
Mon Oct 17, 2011 8:38 pm
Forum: Other projects
Topic: My Pal...and Roku hacking
Replies: 27
Views: 15233

Re: My Pal...and Roku hacking

<t>garyamort <br/> I was wondering if anyone has hacked around with backing up the system image on the roku 2 and replacing it with a more vanilla linux platform for hacking? <br/> <br/> I bought a Roku 2 XS for that purpose. With no available documentation on the SOC, board and current software, I ...
by rwaltman
Sat Oct 01, 2011 11:02 pm
Forum: General discussion
Topic: Raspberry Pi Bootup Sound Discussion
Replies: 23
Views: 3470

Re: Raspberry Pi Bootup Sound Discussion

[quote]dhb
I\'m with Kyle on silent...[/quote]
Ditto here. Enforced with cutters and soldering iron, if necessary.
--
Roberto Waltman
by rwaltman
Fri Sep 30, 2011 12:14 am
Forum: Off topic discussion
Topic: Has anyone worked with depui?
Replies: 1
Views: 983

Re: Has anyone worked with depui?

Download it and look at the "examples" subdirectory.
"Hello World" is in examples/pui0.c

--
Roberto Waltman
by rwaltman
Tue Sep 27, 2011 3:43 pm
Forum: Other projects
Topic: Low-memory GUI programming for R-Pi?
Replies: 5
Views: 2236

Re: Low-memory GUI programming for R-Pi?

<r>nobbit<br/> ... What language and GUI toolkit/framework are the least memory consuming?<br/> <br/> <br/> FLTK: (C++)<br/> <URL url="http://fltk.org/">http://fltk.org/</URL><br/> <URL url="http://fltk.org/applications/shots.php">http://fltk.org/applications/shots.php</URL><br/> <br/> DEPUI: (C)<br...
by rwaltman
Thu Sep 15, 2011 4:02 pm
Forum: General discussion
Topic: Second Ethernet port needed!
Replies: 32
Views: 18058

Re: Second Ethernet port needed!

<r>Quote from unholythree on September 12, 2011, 08:24<br/> Quote from Blars on September 12, 2011, 08:00<br/> There are also SPI to ethernet chips that it might be possible to hook to the gpio connector.<br/> <br/> Interesting... I was hoping something like that might be the case. <E>;)</E> <br/> <...

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