Michael Sokolov:
...
But I guess the gEDA community is quite different, and I've noticed that
quite a few people here (perhaps even the majority) are *not* doing Open
Source Hardware, instead they are using FOSS EDA to create closed
proprietary hw designs. Argh! I'll spare my obligatory
---
Karl HammarAspö Data k...@aspodata.se
Lilla Aspö 148 Networks
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Sweden +46 70 511 97 84 Consulting
j...@ecosensory.com:
Karl Hammar wrote:
Is there a way to organize alternative subparts in a project, e.g.
a cpu-card for one user will have one kind a bus-connector and for
another user another bus-connector, but still maintanable as one
project?
I would use the method where project
n...@arrl.net:
Karl Hammar wrote:
Is there a way to organize alternative subparts in a project, e.g.
a cpu-card for one user will have one kind a bus-connector and for
another user another bus-connector, but still maintanable as one
project?
Sure. Put the variable parts on different
msoko...@ivan.harhan.org:
k...@aspodata.se (Karl Hammar) wrote:
Is there a way to organize alternative subparts in a project, e.g.
a cpu-card for one user will have one kind a bus-connector and for
another user another bus-connector, but still maintanable as one
project?
I don't see
] http://geda.seul.org/wiki/geda:file_format_spec?s=file format
---
Karl HammarAspö Data k...@aspodata.se
Lilla Aspö 148 Networks
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Peter Clifton:
On Sun, 2009-11-01 at 13:09 +0100, Karl Hammar wrote:
[1] says so:
component
Valid in: Schematic files ONLY
///
But if create:
Sounds like a bug...
Bug or not.
[2] specifically says:
Can my local library cover frequently needed sub circuits?
Yes
;
make clean is insane.
Regards,
/Karl
---
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Karl Hammar:
...
make[1]: MKDIR_P@: Command not found
make[1]: *** [../../.desktop-i18n] Error 127
...
Ok, seems to be an bug in autoconf/automake [1], where
the author says that autoconf 2.61 and automake 1.9 is a bad
combination.
Using automake 1.10.1 does not help as seen in previous
---
Karl HammarAspö Data k...@aspodata.se
Lilla Aspö 148 Networks
S-742 94 Östhammar +46 173 140 57 Computers
Sweden +46 70 511 97
goes for version 2.2.
Well, enought for today.
Regards,
/Karl
---
Karl HammarAspö Data k...@aspodata.se
Lilla Aspö 148 Networks
S-742 94 Östhammar
Peter TB Brett:
On Monday 02 November 2009 20:10:15 Karl Hammar wrote:
$ ./autogen.sh
checking for ./configure.ac ... yes
...
libgeda/docs/images/Makefile.am:24: `%'-style pattern rules are a GNU
make extension libgeda/docs/images/Makefile.am:27: `%'-style pattern rules
Can anyone recommend some good books on analog circuit design for
audio, precision/low noise op.amp., emc, active filters and similar ?
Regards,
/Karl
---
Karl HammarAspö Data k...@aspodata.se
A lot of people responding:
On Tue, Nov 24, 2009 at 9:34 AM, Karl Hammar k...@aspodata.se wrote:
Can anyone recommend some good books on analog circuit design for
audio, precision/low noise op.amp., emc, active filters and similar ?
...
Thank you all, this is like Christmas...
Regards
-rn_ds.pdf
http://www.micrel.com/_PDF/Ethernet/ethernet_datasheet/ksz9692mpb_xpb.pdf
http://www.micrel.com/_PDF/Ethernet/ethernet_datasheet/ksz9692pb.pdf
Regards,
/Karl
---
Karl HammarAspö Data k
.
Regards,
/Karl
---
Karl HammarAspö Data k...@aspodata.se
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installed.
Regards,
/Karl Hammar
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gsch2pcb:
How can I tell gsch2pcb to search the current directory for footprints?
This
$ cat ~/.gEDA/gnetlistrc
(component-library .)
(component-library ${HOME}/git/openhw/share/gschem)
did not help.
pcb:
Is there any file where I can specify the paths to footprints?
I tried a lot of
be if pcb could parse theese mm's on input.
Regards,
/Karl Hammar
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aa.fp
Looking for default_font in /usr/share/pcb
Found default_font in /usr/share/pcb
ERROR parsing file 'aa.fp'
line:3
description: 'syntax error'
Regards,
/Karl Hammar
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Stefan:
On Sun, 2010-07-25 at 19:10 +0200, Karl Hammar wrote:
...
But my naive try did not succeed:
$ cat aa.fp
Element[ jumper_10 R? 0 0 0 0 0 100 ]
(
Pin [ 0 0 2.2mm 0.5mm 2.4mm 1.0mm 1 1 ]
Pin [ 4 0 2.2mm 0.5mm 2.4mm 1.0mm 1 2
(..) and only with Pad[..].
Regards,
/Karl Hammar
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Stefan Salewski:
...
Please see
...
http://www.ssalewski.de/PcbFootprintRef.txt
$ grep 'or nm' www.ssalewski.de/PcbFootprintRef.txt
program may allow to specify a unit like mm, mil or nm for each coordinate
$
Maybe you meant um in the line above.
Regards,
/Karl Hammar
-
Aspö Data
/debian/pool/main/libt/libtool/libltdl3_1.5.26-4+lenny1_i386.deb
You could probably replace ftp.se.debian.org with a suitable ubunto
mirror.
Regards,
/Karl Hammar
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pw 2 div add def
/y ph 2 div def
...
***
Would patches for something like this be accepted?
Regards,
/Karl Hammar
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warnings found
2 ERRORS found
***
Should a missing numslots=0 really be a warning?
It is annoying to include it in most sym files just to make gsymcheck
to shut up.
The ERROR is due to the:
T 1600 900 5 10 0 0 0 0 1
net=GND:2
Should that really be an error?
Regards,
/Karl Hammar
that?
***
The unconnected pins can be left unconnected, how can I make it
accept that?
Regards,
/Karl Hammar
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Kai-Martin Knaak:
Karl Hammar wrote:
Shall we update the distributed sym files so they pass gsymcheck ?
Yes, please.
..
Should a missing numslots=0 really be a warning?
...
ack. It has been quite some time that numslots=0 is not necessary
anymore.
Ok, a first step would then be:
1, add
Karl:
Kai-Martin Knaak:
Karl Hammar wrote:
Shall we update the distributed sym files so they pass gsymcheck ?
Yes, please.
..
Should a missing numslots=0 really be a warning?
...
ack. It has been quite some time that numslots=0 is not necessary
anymore.
Ok, a first step would
Kai-Martin Knaak:
Karl Hammar wrote:
Shall we update the distributed sym files so they pass gsymcheck ?
Yes, please.
..
Should a missing numslots=0 really be a warning?
...
ack. It has been quite some time that numslots=0 is not necessary
anymore.
Ok, a first step would
Andrew Miner:
Karl Hammar wrote
...
1c, add missing pintypes (eg. should we have one for nc)
...
+1 for nc since ICs have pins that are labeled that way. Would the DRC just
ignore it, or would the DRC complain if it was connected to anything?
...
Since nc is just a piece of copper
than get-drc-matrixelement, I suggest we do it lower
triangular and let get-drc-matrix-element swap row/column if
row column. As a side effect the drc2:is_simetric-drc-matrix
check could be elimated.
...
Patch attached.
Regards,
/Karl Hammar
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Kai-Martin Knaak:
Karl Hammar wrote:
...
Should a missing numslots=0 really be a warning?
ack. It has been quite some time that numslots=0 is not necessary
anymore.
...
2, remove numslots=0 warning from gsymcheck
Attached patch does that.
Regards,
/Karl Hammar
-
Aspö Data
John Doty:
On Sep 28, 2010, at 12:39 PM, Karl Hammar wrote:
In gnet-drc2.scm:
;; Example:
;; (define dont-check-non-numbered-parts 1)
...
and there is also descriptions how to alter what is allowed to
connect to what in the file. The problem seems to get that inside
gnetlist -g
Kai-Martin Knaak:
Karl Hammar wrote:
5, add a tutorial on how to adapt the DRC rules to the local needs
Well documented examples would take me a long way.
Ok, I'll use http://turkos/git/openhw/wascator_c240/styrkort.sch as an
example.
*
How to tell drc2 which tests to skip
Kai-Martin Knaak:
Karl Hammar wrote:
4, add explicit documentation on the rules in the wiki
I'm not the wiki man. I could read the code (I assume you mean drc2)
and try to describe it in text, but someone else has to enter it
into the wiki.
Ok, if you describe the rules here on the list
Kai-Martin Knaak:
Karl Hammar wrote:
...
6, add some kind of GUI control to activate/deactivate rules
Gui things are for others to contribute with, but maybe if we could
make drc2 react on some attributes?
How about an attribute to the connecting net to silence drc2 at this
specific
, if you use double's for the internal representaion,
then you don't loose precision compared to having an int32_t. You can
convert an int32_t to an double and back without loosing precision.
Regards,
/Karl Hammar
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Aspö Data
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swap the
32bit ints for doubles and you would get the exactly the same results
(unless you divide of cause, then doubles comes out better).
Regards,
/Karl Hammar
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John Doty:
Karl Hammar wrote:
So, in what way are floats worse than ints (I'm talking about
representaion, not about performance) and why could we not reasonably
use floating-point?
The problem is that in engineering documentation, dimensions are
generally given as decimal fractions
that problem by giving you another factor of 4
billion in your range.
I guess we are talking past each other while agreeing... yes?
Absolutely.
Regards,
/Karl Hammar
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+46
DJ Delorie:
The root cause of the problem is that the grid setting is a floating
point number.
...
No, the problem is that the grid setting (e.g.) cannot be exactly
represented in *either* integers or floats (with the current basic
unit).
Regards,
/Karl Hammar
-
Aspö Data
Lilla Aspö
at
http://aspodata.se/git/openhw/share/pcb/_passive/
Regards,
/Karl Hammar
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).
Regards,
/Karl Hammar
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, and for * double wins
with a factor 3.
What operation is the most common in pcb ?
Regards,
/Karl Hammar
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Andrew:
On Sat, Oct 09, 2010 at 12:22:52PM +0200, Karl Hammar wrote:
You cannot dissmiss floating point on the ground of rounding error
when in fact the rounding error of integers (aliasing, truncation)
are in fact greater.
You cannot dissmiss floating point on the ground of a non
the formulas, and that is hard work.
Regards,
/Karl Hammar
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John Doty:
On Oct 10, 2010, at 5:38 AM, Karl Hammar wrote:
On the downside for integers we have, if I may cite John Doty:
There are subtle problems with carrying real number analytic
geometry into a discrete domain.
So far I have not found any good reasons for using integers, and John
Peter Clifton:
On Wed, 2010-10-13 at 00:05 +0200, Karl Hammar wrote:
Why does
#include stdio.h
int main(void) {
char cc = 0xc4 // 'ä' in latin1
short str = cc;
printf(0x%04hx\n, str);
}
print 0xffc4 instead of 0x00c4 ?
It is because 0xc4 is inserted into a char
onsolder after
square, like
Pad[2200 -1500 2200 1500 3600 3200 2000 1 1 square,onsolder]
There is also under Edit-Move to current Layer M, but I haven't
been able to move a footprint to the solder layer with that.
Regards,
/Karl Hammar
-
Aspö Data
Lilla Aspö 148
S-742 94 Östhammar
which git does not care about.
Regards,
/Karl Hammar
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John Griessen:
On 11/01/2010 03:18 PM, Karl Hammar wrote:
If you do something like
mkdir Todo
echo Todo/ .gitignore
git-commit -m 'Todo/ is a work area git should not care about' .gitignore
then you have a work area*inside* the repo which git does not care about.
I like
sets.
www.mallardproject.org documents this, and it has some very tempting
...
$ host -t ns mallardproject.org
Host mallardproject.org not found: 3(NXDOMAIN)
A typo?
Regards,
/Karl Hammar
-
Aspö Data
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(with LaTeX backed) are
better. ...
I've done music scores with Latex and Lilypond, and I usually don't
produce pdf's except for others, I'm more at home with postscript;
so I claim that your assertion is false.
Lilypond itself is using texinfo for documentation though.
Regards,
/Karl Hammar
processor and as such it has it's
drawbacks. The good point (depending of your point of view) about
Tex is that it's format is stable, you don't have to relearn every
tree years.
Regards,
/Karl Hammar
-
Aspö Data
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.
I prefer something where I can develop and review the thing myself
off-line.
If you go the Latex or texinfo with git route, I'd be willing to
contribute.
Regards,
/Karl Hammar
-
Aspö Data
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/ps.
What they have produced is something to aim for.
Do we have other good examples of documentation?
Regards,
/Karl Hammar
[1] http://www.lilypond.org/manuals.html
-
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. this serpentine should have a trace length of 27.4 mm
...
Regards,
/Karl Hammar
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Peter Clifton:
On Sat, 2010-12-25 at 16:06 +0100, Karl Hammar wrote:
...
Like, here is a led and resistor, we want to feed it with 12V, 5V etc.,
or is that more a job for gschem?
That is beyond what we probably want to teach gschem.
Ok.
Explicit parameter passing between hierarchy modules
a
function library and a perl-callable parser. [3] does not mention any
scripting language. There is some scripting possible through
src/action.c.
Is there any plans or needs for a scripting language (like guile/perl/
...) for pcb?
Regards,
/Karl Hammar
[1] http://www.libgpmi.org/
[2] http
Kai-Martin:
Karl Hammar wrote:
Contribution is allowed to literally everyone. Click on the
edit button and go ahead. ...
You have to be online for that.
Install mediawiki from your preferred distro and you can edit and
render your contribution locally without. In addition, mediawiki
in the same place
changes the order, but this is rarely significant.
It matters for the program diff and hence the version system.
Regards,
/Karl Hammar
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,
if the save file is not flat).
...
Thoose UUID might not be what a person that edit thoose files by hand
wants.
Regards,
/Karl Hammar
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to gedasymbols.org
or a local copy, there could even be a File-git-pull entry.
Regards,
/Karl Hammar
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have some symbols and footprints at:
http://turkos.aspodata.se/git/openhw/share/
Regards,
/Karl Hammar
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Oliver:
...
ERROR: Pin(s) with pintype 'open collector': U70:2 U70:4
are connected by net 'unnamed_net204'
to pin(s) with pintype 'open collector': U70:2 U70:4
...
Attached patch corrects that.
Regards,
/Karl Hammar
/CTB92HECTB92VESCTB92VERp38.pdf
says 110°C.
Regards,
/Karl Hammar
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Krzysztof:
On Fri, Feb 11, 2011 at 08:38:47AM +0100, Karl Hammar wrote:
...
Attached patch corrects that.
Can you file the patch on the tracker so it isn't forgotten?
http://bugs.launchpad.net/geda/+filebug
The patches of (numslots=0 thing, oc/oe drc2):
http://www.seul.org/pipermail/geda
Kai-Martin:
Karl Hammar wrote:
The patches of (numslots=0 thing, oc/oe drc2):
...
are so small and obvious. Do we really need the overhead of a bug
tracker for them?
Well, developers of geda and/or pcb, those with write access to the
source, tend to ignore patches on the mailing list
that comes in my way, mostly backend things.
I migth be interested in working with the lesstiff hid.
Regards,
/Karl Hammar
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.
Regards,
/Karl Hammar
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-
tion agent is running. The default is ``yes''. Note that this
option applies to protocol version 1 only.
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2001-1473
Regards,
/Karl Hammar
---
Aspö Data
Lilla Aspö
Stephan:
Peter Clifton pc...@cam.ac.uk writes:
On Sun, 2011-02-20 at 10:36 +0100, Karl Hammar wrote:
...
Don't you know that protocol version 1 i vulnerable for a
man-in-the-middle attack?
No, I didn't know that.
Does it require a different type of key to be generated and used
Some motherboards don't power on when you apply ac voltage (240V here).
I'm trying to make a pc (in this case an 12V mini-atx board) to boot at
240V ac on.
Hälsningar,
/Karl Hammar
[1] www.formfactors.org/developer\specs\PSU_DG_rev_1_1.pdf
.
You could connect this to the +5Vsb line and provide a power on
signal to the pin handling that on the switch connector.
I come up with http://turkos.aspodata.se/git/openhw/pon_switch/ which
seems to work.
Are there any better solutions?
Regards,
/Karl Hammar
have not found any spec for the wol connector
but it seems that the wol pin is +5V active high. So, in your case
wouldn't it be simpler just to momentarly short the +5V and wol pins
of the wol connector to start the pc?
Regards,
/Karl Hammar
unnamed_net3 is shorted to F1 pad c
Regards,
/Karl Hammar
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# release: pcb 1.99z
# date:Fri Apr 8 22:32:50 2011
# user:karl (Karl Hammar,Lilla Aspö 148 / 742 94
check it for
manufacturability.
Why not a description for what it is, instead of fending off some
program. Like square,use=xx, where xx could be fuse, antenna,
etc.
Regards,
/Karl Hammar
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Stephan:
...
I still do not know where the pcb users manual is to be found.
...
You can find it in the git repo. as pcb/doc/pcb.pdf,
but you have to build it first.
Regards,
/Karl Hammar
---
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with gEDA/gaf.
I already have checked out cvs.gedasymbols.org, how do I integrate
it withing gschem and pcb?
Regards,
/Karl Hammar
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try the attached patch.
Regards,
/Karl Hammar
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diff --git a/libgeda/src/g_rc.c b/libgeda/src/g_rc.c
index e287da7..588a582 100644
--- a/libgeda/src/g_rc.c
+++ b
Peter:
k...@aspodata.se (Karl Hammar) writes:
[about code that enables recursion in component-library-search]
Nack, for a number of reasons.
1) GRegex was introduced in GLib 2.14, and during the 1.7.x cycle we are
targetting GLib 2.12 or later.
2) This is an absolutely *textbook* example
On Mon, 23 May 2011 17:13:01 +0200 (CEST)
k...@aspodata.se (Karl Hammar) wrote:
The result is as seen in attachment (dump.jpg).
Very nice!
Thank you.
However, for this to be usable wouldn't it be important to have a good
I think it usable as is (though not finished).
way to import
Peter:
k...@aspodata.se (Karl Hammar) writes:
[about code that enables recursion in component-library-search]
Nack, for a number of reasons.
*
1) GRegex was introduced in GLib 2.14, and during the 1.7.x cycle we are
targetting GLib 2.12 or later.
Regular expression is actually
perl/scheme/pythonn/ruby/c/whatever ---
don't use it, but stop complaining about it.
Regards,
/Karl Hammar
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;
or
print @array+0, \n;
Badly spent time, check the man page.
If you don't like perl/scheme/pythonn/ruby/c/whatever ---
don't use it, but stop complaining about it.
Sorry for being a little harsh.
Regards,
/Karl Hammar
, the file format is incomplete
and should be changed.
Why not just give a warning if width and height is not equal, saying
that we don't really support ellipses for the moment, and be done with
it.
Regards,
/Karl Hammar
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Aspö Data
Igor:
2011/7/14 Karl Hammar k...@aspodata.se:
Looking at pcb.pdf, page 64, section 8.8.1 Arc...
...
And there is no way to specify a slanted ellipse in the file format
either, so if we really want ellipses, the file format is incomplete
and should be changed.
Why not just give
Andrew Poelstra:
On Thu, Jul 14, 2011 at 08:29:53PM +0200, Karl Hammar wrote:
...
Why not just give a warning if width and height is not equal, saying
that we don't really support ellipses for the moment, and be done with
it.
I could, I suppose, but as you mentioned in another post
global coordinates into the arc's local (x: major axis, y: minor axis)
coordinates.
Ack.
Then the distance calculation is a no-brainer.
Could you then show us the formula please ?
Regards,
/Karl Hammar
---
Aspö Data
Lilla
be ok ?
Restricting this to an ellipse /segment/ is tricky, since as DJ
pointed out, these are not real elliptical arcs, but stretched
arcs, so the limiting angles do not correspond directly to actual
angles.
...
Isn't that a bug to be fixed instead?
Regards,
/Karl Hammar
or less treat is like a subroutine.
Regards,
/Karl Hammar
---
Aspö Data
Lilla Aspö 148
S-742 94 Östhammar
Sweden
+46 173 140 57
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geda-user mailing list
geda-user@moria.seul.org
arc is not an ellipse.
///
If this error is small enougth to ignore, fine, but what error do we
tolerate?
Regards,
/Karl Hammar
[1]
http://de.wikipedia.org/wiki/Ellipse#Normalengleichung_.28kartesische_Koordinaten.29
---
Aspö
.
Do you have any experience about their library ?
Regards,
/Karl Hammar
[1] http://www.geometrictools.com/Downloads/WildMagic5p5.zip
---
Aspö Data
Lilla Aspö 148
S-742 94 Östhammar
Sweden
+46 173 140 57
In g_rc.c
g_rc_component_library_search()
g_rc_source_library_search()
calls g_dir_open(), but they never free the result with g_dir_close(),
giving us a memory leak. It seems to been this way since the first
commit.
Regards,
/Karl Hammar
Commit 22985618d999e1b54009b7a3e4f07b27b449f91d added g_access calls
in libgeda/src/f_basic.c, which is implicit unless glib/gstdio.h is
included.
Regards,
/Karl Hammar
---
Aspö Data
Lilla Aspö 148
S-742 94 Östhammar
Sweden
+46
Attached is a simple script that adds text to a sym file.
It
. puts the text 200 units above the device=... line.
. ignores files which are symbolic links
. ignores old text with the same thing before the =
. does this in place, saving a backup file in file.old
$ ./add_text.pl author=Karl Hammar
Philipp:
Am 04.08.2011 21:33, schrieb DJ Delorie:
just log out,
Log out? Log OUT? What's that? ;-)
How do you upgrade kernels?
http://www.ibm.com/developerworks/linux/library/l-kexec/index.html
Regards,
/Karl Hammar
Change mm/mil menu indicator from back to radio-style
commit 8df4fbf0eaf669929bc4ba49062a573df1dac986
Author: Andrew Poelstra as...@sfu.ca
Date: Fri Aug 5 23:39:37 2011 -0700
$
Regards,
/Karl Hammar
---
Aspö Data
Lilla Aspö 148
S
Andrew Poelstra:
On Thu, Aug 11, 2011 at 09:30:34PM +0200, Karl Hammar wrote:
...
-#define LARGE_VALUE(LONG_MAX / 2 - 1) /* maximum extent of
board and elements */
+#define LARGE_VALUELONG_MAX /* (LONG_MAX / 2 - 1) maximum
extent of board and elements
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