Date: Thu, 5 Oct 2023 21:42:23 -0700 From: paul beard <paulbeard@gmail.com> Cc: questions@freebsd.org Subject: Re: serial port question Message-ID: <CAMtcK2rVkw19cm7wQw4kfDzdoZtRn1czqJTqeMhguNENo%2BPkJA@mail.gmail.com> In-Reply-To: <CO1PR11MB4770C4B598AF4BAE5CE79848E6C9A@CO1PR11MB4770.namprd11.prod.outlook.com> References: <CAMtcK2rcQieP9zF7_tBrE-LZV_VLgYKugd-6DB=f05_J2jEB8w@mail.gmail.com> <CO1PR11MB4770C4B598AF4BAE5CE79848E6C9A@CO1PR11MB4770.namprd11.prod.outlook.com>
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--00000000000087656d060704de24 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable This has all been great=E2=80=A6got me on the right track. I am not getting= a response from the device but now I know it's not me. Hoping the developers can fill in the gaps there. On Thu, Oct 5, 2023 at 9:11=E2=80=AFPM Edward Sanford Sutton, III < mirror176@hotmail.com> wrote: > On 10/5/23 17:28, paul beard wrote: > > Not strictly FreeBSD-based but adjacent, surely=E2=80=A6 > > > > I have a 3D printer that has a serial port connection through USB but > > it's not working through the various apps that obscure the details in > > the name of "convenience." You know what I mean. I like convenience as > > much as anyone but sometimes I just have to get on with it. Does anyone > > have experience in communicating with really simple machines over a > > serial connection? It's not always easy to ID the serial device but > > that's a separate problem. Allegedly I can communicate up to 115k but > > I'll settle for a lot less to send simple commands like M502 or M500. > > If memory serves, multiple device permissions may be needed for the > one device node to work. I had the following rules in a /etc/devfs.rules > entry (which involves a header+/etc/rc.conf entry fi I recall). Likely > only the first two mattered but I don't remember now. > add path 'cuaU*' mode 0777 group operator > add path 'ttyU*' mode 0777 group operator > add path 'usb/*' mode 0660 group operator > > Other posts are also correct about some software not searching > through port labels when they vary from Linux. Most of my effort was put > toward keeping a Makerbot Thing-O-Matic working off and on over the > years but that kept me mostly just playing with replicatorg due to its > incompatibilities with other software that I someday need to setup a > workflow to migrate to. reprap software I had started to get basic > control from but recall manually patching its list of checked and > available ports when I did it years ago. > > It isn't recommended but I have been known to either test software as > root, or change many more permissions than I need to figure out how to > get things working. > > If you say what printer/software you are working with, others may be > able to chime in with more specifics. > > --=20 Paul Beard / www.paulbeard.org/ --00000000000087656d060704de24 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">This has all been great=E2=80=A6got me on the right=C2=A0t= rack. I am not getting=C2=A0a response from the device but now I know it= 9;s not me. Hoping=C2=A0the developers can fill in the gaps there.=C2=A0</d= iv><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On = Thu, Oct 5, 2023 at 9:11=E2=80=AFPM Edward Sanford Sutton, III <<a href= =3D"mailto:mirror176@hotmail.com">mirror176@hotmail.com</a>> wrote:<br><= /div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bo= rder-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,2= 04);padding-left:1ex">On 10/5/23 17:28, paul beard wrote:<br> > Not strictly=C2=A0FreeBSD-based but adjacent, surely=E2=80=A6<br> > <br> > I have=C2=A0a 3D printer that has a serial=C2=A0port connection throug= h USB but <br> > it's not working through the various=C2=A0apps that obscure=C2=A0t= he details in <br> > the name of "convenience." You know what I mean. I like conv= enience as <br> > much as anyone but sometimes I just have to get on with it. Does anyon= e <br> > have experience=C2=A0in communicating=C2=A0with really simple=C2=A0mac= hines=C2=A0over a <br> > serial connection? It's not always easy to ID the serial=C2=A0devi= ce but <br> > that's a separate problem. Allegedly I can communicate=C2=A0up to = 115k but <br> > I'll settle for a lot less to send simple=C2=A0commands like M502 = or M500.<br> <br> =C2=A0 =C2=A0If memory serves, multiple device permissions may be needed fo= r the <br> one device node to work. I had the following rules in a /etc/devfs.rules <b= r> entry (which involves a header+/etc/rc.conf entry fi I recall). Likely <br> only the first two mattered but I don't remember now.<br> add path 'cuaU*' mode 0777 group operator<br> add path 'ttyU*' mode 0777 group operator<br> add path 'usb/*' mode 0660 group operator<br> <br> =C2=A0 =C2=A0Other posts are also correct about some software not searching= <br> through port labels when they vary from Linux. Most of my effort was put <b= r> toward keeping a Makerbot Thing-O-Matic working off and on over the <br> years but that kept me mostly just playing with replicatorg due to its <br> incompatibilities with other software that I someday need to setup a <br> workflow to migrate to. reprap software I had started to get basic <br> control from but recall manually patching its list of checked and <br> available ports when I did it years ago.<br> <br> =C2=A0 =C2=A0It isn't recommended but I have been known to either test = software as <br> root, or change many more permissions than I need to figure out how to <br> get things working.<br> <br> =C2=A0 =C2=A0If you say what printer/software you are working with, others = may be <br> able to chime in with more specifics.<br> <br> </blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si= gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature">Pa= ul Beard / <a href=3D"http://www.paulbeard.org/" target=3D"_blank">www.paul= beard.org/</a><br></div> --00000000000087656d060704de24--
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