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Groups > comp.sys.raspberry-pi > #9733
| From | Tauno Voipio <tauno.voipio@notused.fi.invalid> |
|---|---|
| Newsgroups | comp.sys.raspberry-pi |
| Subject | Re: [serial com (rs232)] 9 bits needed |
| Date | 2015-10-01 10:31 +0300 |
| Organization | A noiseless patient Spider |
| Message-ID | <muindd$mui$1@dont-email.me> (permalink) |
| References | <mug5tm$r8s$1@speranza.aioe.org> |
On 30.9.15 11:19, andre wrote: > I am trying to build a rs485 network using microcontrolers > Microcontrolers have the hability to recieve 9 bits data. > They use this as an 'adress'. If the adresse matches the folowing data > (8bits) are read (causing an interrupt) otherwize they are ignored until > the next adress. > gcc can't be configurated for 9 bits (CS9 doesn't exist) > Is there another way to do it?? > Many thanks in advances > Andre GCC is the compiler - it has nothing to do with serial communication. On the 8250 family of serial interfaces (in the IBM PC way) have a mode called 'stick parity' where you can send the ninth bit, controlling it with the parity selection. On receive, you can follow the parity error bit. Clumsy, but working. -- -TV
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[serial com (rs232)] 9 bits needed andre <ahr@blabla.be> - 2015-09-30 10:19 +0200
Re: [serial com (rs232)] 9 bits needed Dom <domafp@blueyonder.co.uk> - 2015-09-30 09:39 +0100
Re: [serial com (rs232)] 9 bits needed Rob <nomail@example.com> - 2015-09-30 10:37 +0000
Re: [serial com (rs232)] 9 bits needed colonel_hack@yahoo.com - 2015-09-30 13:25 -0700
Re: [serial com (rs232)] 9 bits needed Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2015-10-01 10:31 +0300
Re: [serial com (rs232)] 9 bits needed jeffj@panix.com (Jeff Jonas) - 2015-10-11 00:28 -0400
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