Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.os.linux.hardware > #1724
| From | Unknown <dog@gmail.com> |
|---|---|
| Newsgroups | comp.os.linux.hardware, comp.sys.raspberry-pi |
| Subject | Re: can rPi drive PC-bidirectional Par-port? |
| Date | 2013-04-07 17:50 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <kjsbkh$5ie$1@dont-email.me> (permalink) |
| References | <kjlvsl$o5l$1@dont-email.me> <vg3ppy9qepo.fsf@coffee.modeemi.fi> |
Cross-posted to 2 groups.
On Fri, 05 Apr 2013 16:39:15 +0300, Anssi Saari wrote: > Avoid9Pdf@gmail.com writes: > >> Since eg. IOMEGA par-port assumed at least a 4bit-wide >> bidirectionality, perphaps all post-70's were bidirectional? > > The PC printer ports were bidirectional at least in the sense that they > had five status inputs which could be used as data inputs. Even the > control outputs could be fairly easily used as inputs which meant a > total 9 input pins. > > Bidirectional ports have a control bit to set the data pins to inputs or > outputs or to be exact, eanble or disable the output drivers. > > So, probably you can talk to a PC parallel port but I'd rather use > ethernet or serial (RS-232) for PC communication. Yes but, I want to interface to the most primitive PCs. Ethernet is a higher level of complication. And IIRC RS232 won't interface with rPi's 3.3V [MOS ?], but par-port will. WDYS?
Back to comp.os.linux.hardware | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
can rPi drive PC-bidirectional Par-port? Avoid9Pdf@gmail.com - 2013-04-05 07:52 +0000
Re: can rPi drive PC-bidirectional Par-port? Johann Klammer <klammerj@NOSPAM.a1.net> - 2013-04-05 12:12 +0200
Re: can rPi drive PC-bidirectional Par-port? Anssi Saari <as@sci.fi> - 2013-04-05 16:39 +0300
Re: can rPi drive PC-bidirectional Par-port? Unknown <dog@gmail.com> - 2013-04-07 17:50 +0000
Re: can rPi drive PC-bidirectional Par-port? Rob <nomail@example.com> - 2013-04-07 18:19 +0000
Re: can rPi drive PC-bidirectional Par-port? Michael Black <et472@ncf.ca> - 2013-04-08 01:43 -0400
Re: can rPi drive PC-bidirectional Par-port? The Natural Philosopher <tnp@invalid.invalid> - 2013-04-08 10:21 +0100
Re: can rPi drive PC-bidirectional Par-port? Rob Morley <nospam@ntlworld.com> - 2013-04-08 15:19 +0100
Re: can rPi drive PC-bidirectional Par-port? The Natural Philosopher <tnp@invalid.invalid> - 2013-04-08 17:26 +0100
Re: can rPi drive PC-bidirectional Par-port? "Stanley Daniel de Liver" <admin@127.0.0.1> - 2013-04-14 15:00 +0100
Re: can rPi drive PC-bidirectional Par-port? Huge <Huge@nowhere.much.invalid> - 2013-04-14 14:25 +0000
Re: can rPi drive PC-bidirectional Par-port? David <no@spam.please> - 2013-04-08 02:01 +0000
Re: can rPi drive PC-bidirectional Par-port? Michael Black <et472@ncf.ca> - 2013-04-08 01:40 -0400
csiph-web