If the user file is loaded is it worth adding this to the copy version info or something to make it easy to see and ask someone about a custom init file if they experience issues with it?
On Fri, Oct 14, 2016 at 4:13 AM, Maciej Sumiński <[email protected]> wrote: > It still loads the original configuration files (when possible) and > afterwards it checks a few extra locations (relative to the executed > binary path). This gives a chance to package maintainers to provide a > proper spinit file. If it fails to find a custom spinit file, but it > detects a path to codemodel libraries correctly, it will just load them. > > Regards, > Orson > > On 10/13/2016 04:08 PM, Wayne Stambaugh wrote: >> Does this patch override the users configuration or does it just solve >> the default configuration issue on windows and osx? If so, that's not a >> good thing. I'm fine if respects the users config. I still stand by my >> original investigation that this is a package configuration issue, not a >> broken code issue but if no one is willing to resolve those issues and >> your patch respects the user config, then I'm OK with it. >> >> On 10/13/2016 9:49 AM, Maciej Sumiński wrote: >>> Finally, I could get back to the issue. If we really focus about the >>> consequences, the real problem is not that spinit is not processed, but >>> the codemodel libraries are not loaded. >>> >>> Looking at the default spinit file: >>> - most of the lines are comments >>> - one causes problems ('set interactive', has to be unset later) >>> - three others have no special meaning in shared library mode (aliases >>> and 'set x11lineararcs') >>> - the only meaningful lines are the ones that load codemodel libraries >>> >>> To fix the problem, there is a patch which: >>> - Allows ngspice to load the default spinit/.spiceinit files (no changes >>> here). >>> >>> - Looks for codemodel files in a few paths relative to eeschema >>> executable. If a valid path is found, then an ngspice variable __CMPATH >>> is set. >>> >>> - After the default initialization, looks for spiceinit (note it is >>> spiceinit not .spiceinit) file in a few paths relative to eeschema >>> executable. If one is found, then it is executed. If we decide to >>> provide our spiceinit file (see the attachment), then thanks to __CMPATH >>> variable we can point to the right codemodel directory. >>> >>> - If no spiceinit was found, but we know the correct path to codemodels, >>> then they are simply loaded. >>> >>> - Unsets a few variables which may cause simulator hangups. >>> >>> Once the patch is committed, codemodels should work out of the box for >>> the common msys2 builds and nightly Windows installers, even without a >>> custom spiceinit. If OSX bundles provide codemodel libraries, then there >>> is a chance it will work for them as well, otherwise we can add another >>> search path. >>> >>> I know it may look like an ugly hack, but sincerely I have no better >>> idea at the moment. I am going to leave it here for comments for a few >>> days, if there are no objections, I will commit the changes. >>> >>> Regards, >>> Orson >>> >>> On 10/06/2016 05:53 PM, Wayne Stambaugh wrote: >>>> I have some additional information that may prove useful: >>>> >>>> 1) Using relative paths in the spinit file does not work on windows. >>>> >>>> 2) Placing a spinit file in the path where the ngspice and libngspice >>>> binaries reside works with no need to set any environment variables. >>>> >>>> Option 2 could be used by the installer. The installer itself would >>>> have to create the spinit file by substituting the install path for the >>>> path of the .cm files. I'm not sure if this would work on osx. Maybe >>>> one of our osx devs could test this. If it does, than that would >>>> resolve the simulation init issues. >>>> >>>> I've attached a simple circuit that demonstrates the issue. When the >>>> .cm files are not located, the simulation will run with the following >>>> warnings and cause the output of the op-amp to be an impossibly high 260V: >>>> >>>> Error on line 0 : >>>> a$poly$e.xu1.eos %vd [ xu1.53 xu1.98 ] %vd ( xu1.3 net-_u1-pad1_ ) >>>> a$poly$e.xu1.eos >>>> MIF-ERROR - unable to find definition of model a$poly$e.xu1.eos >>>> Warning: Model issue on line 0 : >>>> .model a$poly$e.xu1.eos spice2poly coef = [ 1.7e-3 1 ] ... >>>> Unknown model type spice2poly - ignored >>>> Error on line 0 : >>>> a$poly$e.xu1.eref1 %vd [ vdd 0 0 0 ] %vd ( xu1.98 0 ) a$poly$e.xu1.eref1 >>>> MIF-ERROR - unable to find definition of model a$poly$e.xu1.eref1 >>>> Warning: Model issue on line 0 : >>>> .model a$poly$e.xu1.eref1 spice2poly coef = [ 0 0.5 0.5 ] ... >>>> Unknown model type spice2poly - ignored >>>> Error on line 0 : >>>> a$poly$e.xu1.eref2 %vd [ net-_u1-pad1_ 0 /out 0 ] %vd ( xu1.97 0 ) >>>> a$poly$e.xu1.eref2 >>>> MIF-ERROR - unable to find definition of model a$poly$e.xu1.eref2 >>>> Warning: Model issue on line 0 : >>>> .model a$poly$e.xu1.eref2 spice2poly coef = [ 0 0.5 0.5 ] ... >>>> Unknown model type spice2poly - ignored >>>> Error on line 0 : >>>> a$poly$e.xu1.eo3 %vd [ xu1.98 xu1.30 ] %vd ( vdd xu1.42 ) a$poly$e.xu1.eo3 >>>> MIF-ERROR - unable to find definition of model a$poly$e.xu1.eo3 >>>> Warning: Model issue on line 0 : >>>> .model a$poly$e.xu1.eo3 spice2poly coef = [ 0.7175 0.5 ] ... >>>> Unknown model type spice2poly - ignored >>>> Error on line 0 : >>>> a$poly$e.xu1.eo4 %vd [ xu1.30 xu1.98 ] %vd ( xu1.44 0 ) a$poly$e.xu1.eo4 >>>> MIF-ERROR - unable to find definition of model a$poly$e.xu1.eo4 >>>> Warning: Model issue on line 0 : >>>> .model a$poly$e.xu1.eo4 spice2poly coef = [ 0.7355 0.5 ] ... >>>> Unknown model type spice2poly - ignored >>>> Reducing trtol to 1 for xspice 'A' devices >>>> Doing analysis at TEMP = 27.000000 and TNOM = 27.000000 >>>> Warning: vv3: no DC value, transient time 0 value used >>>> >>>> Let me know if you have any other questions or comments. >>>> >>>> Cheers, >>>> >>>> Wayne >>>> >>>> On 10/6/2016 10:56 AM, Nick Østergaard wrote: >>>>> Hi Maciej >>>>> >>>>> In the latest nightlies they are now stored in lib/ngspice/ >>>>> >>>>> I guess that should equate to a relative path to the executables to >>>>> ../lib/ngspice/*.cm, given that the exe's are in the bin folder on the >>>>> same level as lib. >>>>> >>>>> So feel free to submit your fix. Also, are there any demos that make >>>>> use of those cm libs such that it can be tested? >>>>> >>>>> Nick >>>>> >>>>> 2016-10-05 23:16 GMT+02:00 Maciej Sumiński <[email protected]>: >>>>>> Hi Nick, >>>>>> >>>>>> Are the .cm files included in the Windows nightlies installer? If so, >>>>>> could you tell me what is the relative path to the directory storing >>>>>> them? The easiest way to fix the problem is to send a few commands to >>>>>> ngspice before a simulation starts. >>>>>> >>>>>> Regards, >>>>>> Orson >>>>>> >>>>>> On 10/05/2016 10:23 PM, Nick Østergaard wrote: >>>>>>> Is this really needed? What exactly does the .cm files provide? >>>>>>> >>>>>>> When I run the latest nightly I can run the allen key demo without >>>>>>> problems as far as I can see. Maybe some other simulation modes do >>>>>>> not work properly? >>>>>>> >>>>>>> 2016-09-30 14:37 GMT+02:00 Wayne Stambaugh <[email protected]>: >>>>>>>> That would work as a long term solution as well. I was trying to at >>>>>>>> least prove that it can be done without make changes to the current >>>>>>>> code. Until a full solution is implemented, users (me) will have an >>>>>>>> interim solution if they want to use the spice simulator. >>>>>>>> >>>>>>>> Cheers, >>>>>>>> >>>>>>>> Wayne >>>>>>>> >>>>>>>> On 9/30/2016 3:40 AM, Maciej Sumiński wrote: >>>>>>>>> We have also discussed on IRC another possibility, which is loading >>>>>>>>> the >>>>>>>>> extensions manually instead of having ngspice process its >>>>>>>>> initialization >>>>>>>>> file (spinit). This way we can adjust the paths during runtime. >>>>>>>>> >>>>>>>>> Regards, >>>>>>>>> Orson >>>>>>>>> >>>>>>>>> On 09/29/2016 08:51 PM, Wayne Stambaugh wrote: >>>>>>>>>> After much cursing and many config attempts, I finally have a working >>>>>>>>>> spice simulation solution on windows. I'm guessing similar parallels >>>>>>>>>> can be applied to osx as well. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Option A: running from a mingw32 or mingw64 terminal. >>>>>>>>>> >>>>>>>>>> 1) copy the installed spinit file (by default will be in >>>>>>>>>> ${MINGW-PACKAGE-PREFIX}/share/ngspice/scripts) to ~/.spiceinit. >>>>>>>>>> 2) change the msys2 paths (/mingw##) in ~/.spiceinit to absolute >>>>>>>>>> windows >>>>>>>>>> paths with / not \ (in my case C:/msys64/mingw##). >>>>>>>>>> 3) Launch kicad.exe from the terminal. >>>>>>>>>> >>>>>>>>>> I realize this is not very elegant and will only work with either >>>>>>>>>> the 64 >>>>>>>>>> or 32 bit mingw (not both without editing .spiceinit) but it works >>>>>>>>>> and >>>>>>>>>> is handy for mingw users. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Option B: configuring windows and run kicad from a shortcut. >>>>>>>>>> >>>>>>>>>> 1) locate the installed spinit file >>>>>>>>>> ($INSTALL_PATH/share/ngspice/scripts) and change the msys2 paths >>>>>>>>>> (/mingw##) to absolute windows paths with / not \ (in my case >>>>>>>>>> C:/msys64/mingw##). >>>>>>>>>> 2) Run kicad, open the config paths dialog, and add an environment >>>>>>>>>> variable SPICE_LIB_DIR with path to the spinit file minus the last >>>>>>>>>> "scripts" path ($INSTALL_PATH/share/ngspice). >>>>>>>>>> >>>>>>>>>> I also tried copying the .spiceinit file from option A to >>>>>>>>>> %USERPROFILE% >>>>>>>>>> but that did not work when launching kicad from a shortcut. >>>>>>>>>> >>>>>>>>>> Option B a cleaner solution but still requires some configuration by >>>>>>>>>> the >>>>>>>>>> user. This is going to be an interesting problem to solve for our >>>>>>>>>> package devs. We need to figure out a way to generate or modify the >>>>>>>>>> spinit file base on where it gets installed by the installer on >>>>>>>>>> platforms where this is relevant. We will also either have to set an >>>>>>>>>> the SPICE_LIB_DIR environment variable or teach ngspice how to find >>>>>>>>>> the >>>>>>>>>> correct spinit file at run time. >>>>>>>>>> >>>>>>>>>> At least now windows users have a way to have the same functional >>>>>>>>>> spice >>>>>>>>>> simulation as linux users. >>>>>>>>>> >>>>>>>>>> Cheers, >>>>>>>>>> >>>>>>>>>> Wayne >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> Mailing list: https://launchpad.net/~kicad-developers >>>>>>>>>> Post to : [email protected] >>>>>>>>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>>>>>>>> More help : https://help.launchpad.net/ListHelp >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Mailing list: https://launchpad.net/~kicad-developers >>>>>>>> Post to : [email protected] >>>>>>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>>>>>> More help : https://help.launchpad.net/ListHelp >>>>>> >>> > > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp

