gEDA-user: Parallel Installation of Stable and Unstable gEDA Version

2011-04-13 Thread Markus Traidl
   Hello,

   currently I am using gEDA 1.6.2 on a Ubuntu Linux System in a
   VirtualBox -> this runs very good.

   For test reasons, I would like also to install the 1.7.x version of
   gEDA. I can do it at a different place - that's no problem.

   But what I am looking for is a good way to switch between the stable
   and the unstable version?

   What is your way of doing that?

   Thanks a lot for you help ...

   Markus


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gEDA-user: Attribute Net (without pin assignment) - for Power and Port Symbols

2011-04-10 Thread Markus Traidl
   Hello,

   I am drawing some new symbols for my library. Currently I am doing GND
   and Power Symbols. There I have following question:

   I have drawn a power symbol for the 3V3 power supply. Therefore I used
   one pin with the pinnumber 1. In addition I attached the attribute
   net=3V3:1 to assign the 3V3 net to that pin.

   Additionally I attached the attribute value=3V3 (this is the only
   attribute which is visible).

   Actually I would like to use only the net attribute. There I could
   assign net=3V3 instead of net=3V3:1.

   I know that the ":1" is that the gnetlist tool knows that the 3V3 is
   connected to pin 1.

   But in case of a "One-Pin-Symbol" the gnetlist tool could assume that
   the only net should be assigned to the only pin.

   The reason for asking that is, that then I could make the attribute net
   visible and easily change the supply net (without adding the :1) in
   gschem.

   Is there some kind of option or maybe another attribute to make this
   possible?

   In addition I would / could use the same type for input port symbols
   and output port symbols.

   Best regards,

   Markus


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gEDA-user: Strokes in gEDA (gschem)

2011-04-09 Thread Markus Traidl
   Hello,

   I just started using gEDA. Actually I like it very much, because it
   reminds me to the tools what I have to use at work ...

   There I use Mentor Boardstation with mouse strokes.

   I like theses mouse strokes very much and I found the possibility to
   enable these strokes even in gschem:

   (middle-button "stroke")

   But: I did not find any information what type of strokes are defined
   and where I can change these strokes.

   Can anybody give me some hints?

   Regards,

   Markus


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Re: gEDA-user: Split ground planes and zero ohm jumpers

2011-04-05 Thread Markus Traidl
>> The common way to track common ground planes seems to be to place a
>> jumper between the planes so that the netlist can be sane. This
>> requires a component to be placed on one of the outer layers of the
>> board, which is a bit of an annoyance. Is there any other way of doing
>> this? Maybe some kind of hacked component on an inner layer?

> What I do is I place a 0Ohm resistor, and when the layout is ready, I
short it
> with a line. This will give DRC error, but I ignore it.

The library department at my company defined a special component for that
purpose. We have a 2, 3 or 4 Star Symbol for that. To that symbol a special
footprint will be attached where the pins are connected.
The component is a smd device and I can place it in the layout at the top or
bottom side.





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