Mail Archives: geda-user/2016/01/09/14:59:03
--Apple-Mail=_6A15430D-2E4B-4AC8-A0B1-FC10E13E60A2
Content-Type: multipart/alternative;
boundary="Apple-Mail=_5BF1E7D7-7B5F-45AD-8565-77F6F88A1CD4"
--Apple-Mail=_5BF1E7D7-7B5F-45AD-8565-77F6F88A1CD4
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
charset=windows-1252
On Jan 9, 2016, at 2:27 PM, Britton Kerin (britton DOT kerin AT gmail DOT com) [via =
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
>=20
> Did you mean "attributes are used in a similar way already"?
>=20
> Yes, and the details about how to use them are scattered in FAQs and =
other places. Hierarchy is hard to figure out. John and DJ are the =
only people I know who really seem to understand how the slotting and =
pin sequence attributes work, I think most people probably just avoid =
them out of fear.
>=20
Oh, it=92s worse than that. Who knows what the device attribute=92s =
significance is? We have no consistent convention, but some backends use =
it.
When do you actually need pinlabel? When do you need refdes? Pintype is =
specialized to digital design with a MSI of a single logic family. =
Gsymcheck complains about missing attributes you don=92t necessarily =
need (lots of things don=92t have footprints), and also about =
flow-specific attributes. It=92s pretty sloppy, but geda-gaf still =
captures designs effectively.
John Doty Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com
--Apple-Mail=_5BF1E7D7-7B5F-45AD-8565-77F6F88A1CD4
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
charset=windows-1252
<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><br><div><div>On Jan 9, 2016, at 2:27 PM, Britton =
Kerin (<a =
href=3D"mailto:britton DOT kerin AT gmail DOT com">britton DOT kerin AT gmail DOT com</a>) =
[via <a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>] =
<<a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>>=
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><blockquote class=3D"gmail_quote" style=3D"font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
orphans: auto; text-align: start; text-indent: 0px; text-transform: =
none; white-space: normal; widows: auto; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; margin: 0px 0px 0px 0.8ex; =
border-left-width: 1px; border-left-color: rgb(204, 204, 204); =
border-left-style: solid; padding-left: 1ex;"><div dir=3D"ltr"><div =
class=3D"gmail_extra"><div class=3D"gmail_quote"><br =
class=3D"Apple-interchange-newline">Did you mean "attributes are used in =
a similar way already"?<br></div></div></div></blockquote><div =
style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: auto; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; widows: auto; word-spacing: =
0px; -webkit-text-stroke-width: 0px;"><br></div><div style=3D"font-family:=
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
orphans: auto; text-align: start; text-indent: 0px; text-transform: =
none; white-space: normal; widows: auto; word-spacing: 0px; =
-webkit-text-stroke-width: 0px;">Yes, and the details about how to use =
them are scattered in FAQs and other places. Hierarchy is hard to =
figure out. John and DJ are the only people I know who really seem =
to understand how the slotting and pin sequence attributes work, I think =
most people probably just avoid them out of fear.</div><br =
class=3D"Apple-interchange-newline"></blockquote></div><div><br></div>Oh, =
it=92s worse than that. Who knows what the device attribute=92s =
significance is? We have no consistent convention, but some backends use =
it.<div><br></div><div>When do you actually need pinlabel? When do you =
need refdes? Pintype is specialized to digital design with a MSI of a =
single logic family. Gsymcheck complains about missing attributes you =
don=92t necessarily need (lots of things don=92t have footprints), and =
also about flow-specific attributes. It=92s pretty sloppy, but geda-gaf =
still captures designs effectively.</div><div><div><br><div =
apple-content-edited=3D"true">
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px;"><p style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><font =
face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px Helvetica">John =
Doty<span class=3D"Apple-converted-space"> =
<span class=3D"Apple-converted-space"> </span><span =
class=3D"Apple-converted-tab"> <span =
class=3D"Apple-converted-space"> </span></span></span>Noqsi =
Aerospace, Ltd.</font></p><p style=3D"margin: 0.0px 0.0px 0.0px =
0.0px"><a href=3D"http://www.noqsi.com/">http://www.noqsi.com/</a></p><p =
style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><font face=3D"Helvetica" =
size=3D"3" style=3D"font: 12.0px Helvetica"><a =
href=3D"mailto:jpd AT noqsi DOT com">jpd AT noqsi DOT com</a></font></p><br =
class=3D"Apple-interchange-newline"></span>
</div>
<br></div></div></body></html>=
--Apple-Mail=_5BF1E7D7-7B5F-45AD-8565-77F6F88A1CD4--
--Apple-Mail=_6A15430D-2E4B-4AC8-A0B1-FC10E13E60A2
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
filename=signature.asc
Content-Type: application/pgp-signature;
name=signature.asc
Content-Description: Message signed with OpenPGP using GPGMail
-----BEGIN PGP SIGNATURE-----
Comment: GPGTools - https://gpgtools.org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=kW3p
-----END PGP SIGNATURE-----
--Apple-Mail=_6A15430D-2E4B-4AC8-A0B1-FC10E13E60A2--
- Raw text -