From: Bastien R. <rou...@gm...> - 2007-11-10 00:46:05
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Le samedi 10 novembre 2007, Nick Shaforostoff a =C3=A9crit=C2=A0: > =D0=92 =D1=81=D0=BE=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D0=B8 =D0=BE=D1= =82 Friday 09 November 2007 11:02:10 pm Bastien ROUCARIES > > =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB(=D0=B0): > > > i compiled qucs-qt4 and found no logic gates in 'components' dockview. > > > > Gates are on Components/ digital componens > > i mean in qucs-qt4 qucs-qt4 on a rewrite project of qucs... > > > Have you tried to add delay using two not gate back to back? If you do > > not add delay trigger do not converge... > > it worked as I expected after I had added delays to NOR components > (it's very strange that they have 0 delay by default) > > > > also, logical circuits can be modeled in more detailed form, > > > when transient phenomena is taken into account. > > > > Read technical documentation section 10.6 for transient simulation. > > ok, i see that transient simulation is kinda works for boolean components > (at first, i thought that simulation just hangs, but after being left for > some time, it produced results :) btw it could make use of several cpu > cores instead of one We could perhaps use multiple core using some parallel solver. But do not=20 think it will be easy, parallel solver are really difficult to code. > > > (maybe we should better do modeling ourselves rather then rely on > > > freehdl) > > freehdl is really slow for such an easy task. > what if i implement digital modeling in python? We could also code in verilog. I think it will be faster. (need to check) > particularly, it would really make win32 users life easier > (stand-alone win32 python program takes ~2 megs after compression) > > > > in my program i implemented A* algorithm of finding the shortest path > > > for wires (which takes into account obstacles -- other components and > > > wires). > > A* is for graphical representation of wires ok so you autoroute wire. Could be useful but not for now. We are working t= o=20 get a basic version of qucs qt4 what will be minimalbut working. But it wil= l=20 interesting to code it after stabilization phase. > > Could you please say what is the use of your program? routing, wiring? > > circuitry_engineering teaching > > > i really need to make replacing program (qucs) as easy to use as the > current (proprietary) one (of course, the latter has its own disadvantages > too) We agree about he goal.=20 > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? Stop. > Now Search log events and configuration files using AJAX and a browser. > Download your FREE copy of Splunk now >> http://get.splunk.com/ > _______________________________________________ > Qucs-devel mailing list > Quc...@li... > https://lists.sourceforge.net/lists/listinfo/qucs-devel =2D-=20 "ROUCARIES Bastien" roucaries.bastien@gmail.= com =2D------------------------------------------------------------------------= =2D----- DO NOT WRITE TO rou...@gm... OR BE BLACKLISTED |