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Mail Archives: geda-user/2020/12/09/15:27:21

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From: John Doty <jpd AT noqsi DOT com>
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Subject: Re: [geda-user] SAB processing patches
Date: Wed, 9 Dec 2020 15:07:29 -0500
References: <e4ff3c96-939b-a93e-a32f-5e938b6daa63 AT epilitimus DOT com>
<alpine DOT DEB DOT 2 DOT 21 DOT 2011302045040 DOT 2894 AT nimbus>
<20201130220505 DOT 0AE4282C54FD AT turkos DOT aspodata DOT se>
<7c75ed03-456c-b408-8b50-0448f6b3a04f AT epilitimus DOT com>
<alpine DOT DEB DOT 2 DOT 21 DOT 2012011606400 DOT 6785 AT nimbus>
<1b2c64b3-6a36-c1f3-dd54-bb583c6bea17 AT epilitimus DOT com>
<alpine DOT DEB DOT 2 DOT 21 DOT 2012021253440 DOT 1262 AT nimbus>
<475f980e-fddd-60d1-9a02-a5bc5fb5805b AT epilitimus DOT com>
<alpine DOT DEB DOT 2 DOT 21 DOT 2012071333290 DOT 3907 AT nimbus>
<e6c5135f-b127-fd55-91b2-79aa357a5a07 AT epilitimus DOT com>
<alpine DOT DEB DOT 2 DOT 21 DOT 2012081644480 DOT 3649 AT nimbus>
<acfe8649-67d3-300b-2e58-a9936467199b AT epilitimus DOT com>
<25887669-D8C1-48B8-BEE7-13EEBFC4D006 AT noqsi DOT com>
<7caba1cb-6f7f-d3b8-d60d-88dd242310df AT epilitimus DOT com>
To: "Glenn (glimrick AT epilitimus DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
In-Reply-To: <7caba1cb-6f7f-d3b8-d60d-88dd242310df@epilitimus.com>
Message-Id: <CEC55F63-209F-486D-AEE0-122F9C7D424F@noqsi.com>
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> On Dec 9, 2020, at 1:52 PM, Glenn (glimrick AT epilitimus DOT com) [via =
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
>=20
> John Doty wrote:
>>=20
>>=20
>>> On Dec 9, 2020, at 12:42 AM, Glenn (glimrick AT epilitimus DOT com
>>> <mailto:glimrick AT epilitimus DOT com>) [via geda-user AT delorie DOT com
>>> <mailto:geda-user AT delorie DOT com>] <geda-user AT delorie DOT com
>>> <mailto:geda-user AT delorie DOT com>> wrote:
>>>=20
>>>> So the gnetlist backend to generate the xspice netlist needs the
>>>> bridge devices in the schematic (the sim context)
>>=20
>> Not true. With gnet-spice-noqsi, you may put the bridge devices =
either
>> in a subcircuit that=E2=80=99s referenced by the spice-prototype =
attribute, or
>> directly in the spice-prototype attribute.
>>=20
>>>> but other non
>>>> simulation netlists (the ab context), e.g. pcd or partslist, need =
them
>>>> removed. At the risk of starting another discusson, this is why the
>>>> spice-noqsi backend was not going to work, it works in the sim
>>>> context.
>>=20
>> The stuff in a spice-prototype attribute is ignored by every other
>> netlister. That=E2=80=99s how you can keep the sims domain separate =
from from
>> other domains.
>>=20
> The whole point here is that the bridge devices and other simulation
> components show up when processing the schematic for a parts list or
> some other non simulation context.

That=E2=80=99s because you put them in as symbols in the schematic. =
Don=E2=80=99t do it that way. Give your components the interfaces they =
need behind their pins. Use explicit SPICE code in the spice-prototype =
or draw a simulation schematic of the component and refer to that as a =
subcircuit in your spice-prototype, but not in a source attribute.

>=20
> Glenn
>=20

John Doty              Noqsi Aerospace, Ltd.
jpd AT noqsi DOT com




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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><br =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Dec 9, 2020, at 1:52 PM, Glenn (<a =
href=3D"mailto:glimrick AT epilitimus DOT com" =
class=3D"">glimrick AT epilitimus DOT com</a>) [via <a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a>] &lt;<a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div class=3D"">John =
Doty wrote:<br class=3D""><blockquote type=3D"cite" class=3D""><br =
class=3D""><br class=3D""><blockquote type=3D"cite" class=3D"">On Dec 9, =
2020, at 12:42 AM, Glenn (<a href=3D"mailto:glimrick AT epilitimus DOT com" =
class=3D"">glimrick AT epilitimus DOT com</a><br class=3D"">&lt;<a =
href=3D"mailto:glimrick AT epilitimus DOT com" =
class=3D"">mailto:glimrick AT epilitimus DOT com</a>&gt;) [via <a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a><br class=3D"">&lt;<a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">mailto:geda-user AT delorie DOT com</a>&gt;] &lt;<a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a><br class=3D"">&lt;<a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">mailto:geda-user AT delorie DOT com</a>&gt;&gt; wrote:<br =
class=3D""><br class=3D""><blockquote type=3D"cite" class=3D"">So the =
gnetlist backend to generate the xspice netlist needs the<br =
class=3D"">bridge devices in the schematic (the sim context)<br =
class=3D""></blockquote></blockquote><br class=3D"">Not true. With =
gnet-spice-noqsi, you may put the bridge devices either<br class=3D"">in =
a subcircuit that=E2=80=99s referenced by the spice-prototype attribute, =
or<br class=3D"">directly in the spice-prototype attribute.<br =
class=3D""><br class=3D""><blockquote type=3D"cite" class=3D""><blockquote=
 type=3D"cite" class=3D"">but other non<br class=3D"">simulation =
netlists (the ab context), e.g. pcd or partslist, need them<br =
class=3D"">removed. At the risk of starting another discusson, this is =
why the<br class=3D"">spice-noqsi backend was not going to work, it =
works in the sim<br class=3D"">context.<br =
class=3D""></blockquote></blockquote><br class=3D"">The stuff in a =
spice-prototype attribute is ignored by every other<br =
class=3D"">netlister. That=E2=80=99s how you can keep the sims domain =
separate from from<br class=3D"">other domains.<br class=3D""><br =
class=3D""></blockquote>The whole point here is that the bridge devices =
and other simulation<br class=3D"">components show up when processing =
the schematic for a parts list or<br class=3D"">some other non =
simulation context.<br class=3D""></div></div></blockquote><div><br =
class=3D""></div>That=E2=80=99s because you put them in as symbols in =
the schematic. Don=E2=80=99t do it that way. Give your components the =
interfaces they need behind their pins. Use explicit SPICE code in the =
spice-prototype or draw a simulation schematic of the component and =
refer to that as a subcircuit in your spice-prototype, but not in a =
source attribute.</div><div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D""><div class=3D""><br class=3D"">Glenn<br =
class=3D""><br class=3D""></div></div></blockquote></div><br =
class=3D""><div class=3D"">
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-ligatures: normal; =
font-variant-caps: normal; font-variant-east-asian: normal; =
font-variant-position: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-indent: 0px; text-transform: none; =
orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><div =
style=3D"word-wrap: break-word;" class=3D""><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-ligatures: normal; =
font-variant-caps: normal; font-variant-east-asian: normal; =
font-variant-position: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-indent: 0px; text-transform: none; =
orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><p =
style=3D"margin: 0px;" class=3D""><font face=3D"Helvetica" size=3D"3" =
style=3D"font-style: normal; font-variant-caps: normal; font-weight: =
normal; font-size: 12px; line-height: normal; font-family: Helvetica;" =
class=3D"">John Doty<span class=3D"Apple-converted-space">&nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span><span =
class=3D"Apple-converted-tab">&nbsp; &nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span>Noqsi =
Aerospace, Ltd.</font></p><p style=3D"margin: 0px;" class=3D""><a =
href=3D"mailto:jpd AT noqsi DOT com" class=3D"">jpd AT noqsi DOT com</a></p><br =
class=3D"Apple-interchange-newline"></span></div></span><br =
class=3D"Apple-interchange-newline">
</div>
<br class=3D""></body></html>=

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