USB device attached via RS232 adaptor
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From: Dotan Cohen on 19 Apr 2010 04:00 >> It's a 2.6 kernel, so Etch. > > "Plonk" > Why plonk me? Surely this is not the last Etch machine out there? In any case, I could probably convince him to upgrade if you think that Etch is not up to the task. -- Dotan Cohen http://bido.com http://what-is-what.com Please CC me if you want to be sure that I read your message. I do not read all list mail. -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/g2y880dece01004190058t65433ae4v6fcf74d3e9f45f52(a)mail.gmail.com
From: Dotan Cohen on 19 Apr 2010 04:10 > It might just be me, but when I head "USB-serial adaptor" I think of > something like a PL2303 which can be used to attach devices with a > serial connector to a PC that lacks a serial port. It would be news to > me if these adaptors worked the other way round, too. > > But if it actually works, you should be able to talk to the device using > the regular /dev/ttyS0. > Thanks, I think that he tried that but I will give it a go. -- Dotan Cohen http://bido.com http://what-is-what.com Please CC me if you want to be sure that I read your message. I do not read all list mail. -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/v2n880dece01004190104gfe55e429p905ff6a8b67157b8(a)mail.gmail.com
From: Dotan Cohen on 19 Apr 2010 04:10 >> Why aren't they on real USB, I don't know. > > Because the device may expect a USB host controller instead a RS-232 :-? > Likely! >> I am going over there to help >> him tomorrow, so to come prepared I started googling today. Although the >> USB-serial adaptors seem to be popular, I find nothing about how to >> mount devices attached to them. > > What seems to be more popular are RS-232 devices (modems, printers...) > connected/attached to a computer USB host port, but not the opposite. > I have seen that, but as you say I have never seen it the way that he describes using it now (backwards). >> I am assuming that, being a card reader, >> I will be able to mount the media (card). > > Mmm, have you tested it? :-? > > Insert a smartcard and check the output of "dmesg" and "mount" commands. > They will tell. > I will get there later today. But I want to go prepared, which is why I googled and asked here. Maybe, as Ron mentioned, the "virtualCOM port" is confusing him. -- Dotan Cohen http://bido.com http://what-is-what.com Please CC me if you want to be sure that I read your message. I do not read all list mail. -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/i2j880dece01004190103xfc092e2bs7e5b29f38c6a06aa(a)mail.gmail.com
From: Brad Rogers on 19 Apr 2010 04:30 On Mon, 19 Apr 2010 11:09:08 +0300 Dotan Cohen <dotancohen(a)gmail.com> wrote: Hello Dotan, > I think that serial doesn't even support some USB features, so I am More of an issue would be getting the +/-12V from a 5V i/f. Not impossible, but not cheap when compared with the getting 5V from 12V. > also doubtful. We'll see this evening. Let us know; *I'm* intrigued, even if no-one else is. :-) -- Regards _ / ) "The blindingly obvious is / _)rad never immediately apparent" He looked the wrong way at a policeman I Predict A Riot - Kaiser Chiefs
From: Ron Johnson on 19 Apr 2010 05:20
On 2010-04-19 02:58, Dotan Cohen wrote: >>> It's a 2.6 kernel, so Etch. > >> "Plonk" >> > > Why plonk me? Surely this is not the last Etch machine out there? In > any case, I could probably convince him to upgrade if you think that > Etch is not up to the task. > You completely missed (probably because gmail's web interface so incredibly sucks) why he's plonking you. -- Dissent is patriotic, remember? -- To UNSUBSCRIBE, email to debian-user-REQUEST(a)lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster(a)lists.debian.org Archive: http://lists.debian.org/4BCC1E6E.4050500(a)cox.net |