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Groups > sci.electronics.design > #449217
| From | Joerg <news@analogconsultants.com> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: analog failures |
| Date | 2017-02-25 12:44 -0800 |
| Message-ID | <ehe8lrFk2ehU1@mid.individual.net> (permalink) |
| References | (8 earlier) <o8617o$6de$1@dont-email.me> <egohbvF8ge7U1@mid.individual.net> <004c4a1f-ecc9-422d-a982-ce163d9224a2@googlegroups.com> <eh8oq2Fgp7rU1@mid.individual.net> <1a268f48-ccf5-4699-9f4e-44fd973f58c1@googlegroups.com> |
On 2017-02-24 09:02, dagmargoodboat@yahoo.com wrote: > On Thursday, February 23, 2017 at 1:43:23 PM UTC-5, Joerg wrote: >> On 2017-02-22 15:45, dagmargoodboat@yahoo.com wrote: >> >> [...] >> >>> >>> AIUI you can clear nearly all the i2c deadlocks by having the master >>> cycle the clock 9 times (or by just cycling the power :). >>> >> >> Thing is, my clients typically do not want to hear the word "nearly" :-) > > Which is why you'd want to design the thing so the i2c could never > deadlock in the first place. But if you're like me, chastened by > others' tales, you could include two levels of recovery so that even > if the inconceivable happened it could ever be a critical fault, just > in case. > > Reliable + (redundancy + retry) = spandex, belt, and suspenders. > > SPI can fail too if someone think's he's enabled when he isn't. What's > the fallback then? But that doesn't much happen, right? > Not really because the master enables and disables. So having a hung bus because or a rogue device isn't likely unless the device is physically damaged. Not so with I2C where I saw cases where a power cycle made it all come back and work fine. For a while ... [...] -- Regards, Joerg http://www.analogconsultants.com/
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analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-14 14:47 -0800
Re: analog failures Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-02-14 15:05 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-15 10:52 +0800
Re: analog failures bill.sloman@ieee.org - 2017-02-14 19:00 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-15 11:55 +0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-15 07:53 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-15 08:30 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-15 10:19 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-15 10:53 -0800
Re: analog failures Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-02-15 10:58 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-15 21:25 -0600
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-15 20:18 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 15:44 -0500
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 15:30 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 14:05 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 17:16 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 14:38 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 17:58 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 15:37 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 18:51 -0500
Re: analog failures krw@notreal.com - 2017-02-17 20:27 -0500
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-17 17:56 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-17 21:03 -0600
Re: analog failures krw@notreal.com - 2017-02-17 22:36 -0500
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-19 00:45 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-19 08:32 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-21 12:31 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-23 14:57 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-23 12:02 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-17 17:27 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-17 20:39 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 07:41 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-18 08:04 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 08:16 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-16 06:49 +0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-16 07:14 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-16 07:24 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-16 07:41 -0800
Re: analog failures Reinhardt Behm <rbehm@hushmail.com> - 2017-02-17 13:22 +0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 06:58 -0800
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-17 12:26 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 14:03 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-17 21:05 -0600
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-18 08:07 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 08:20 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-18 09:20 -0800
Re: analog failures rickman <gnuarm@gmail.com> - 2017-02-19 00:48 -0500
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-21 12:39 -0800
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-21 22:54 -0600
Re: analog failures krw@notreal.com - 2017-02-17 20:33 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-18 07:37 -0800
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-22 15:45 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-23 10:43 -0800
Re: analog failures krw@notreal.com - 2017-02-23 20:42 -0500
Re: analog failures "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-02-24 03:31 -0600
Re: analog failures grahamholloway@graham65.plus.com - 2017-02-24 06:39 -0800
Re: analog failures Don Kuenz <g@crcomp.net> - 2017-02-24 14:58 +0000
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-25 12:48 -0800
Re: analog failures pcdhobbs@gmail.com - 2017-02-26 04:39 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-26 07:52 -0800
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-24 09:02 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-25 12:44 -0800
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-26 08:29 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-26 09:46 -0800
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-26 10:11 -0800
Re: analog failures krw@notreal.com - 2017-02-26 17:55 -0500
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-26 15:09 -0800
Re: analog failures krw@notreal.com - 2017-02-26 19:30 -0500
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-27 10:37 -0800
Re: analog failures Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-02-24 09:14 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-25 12:46 -0800
Re: analog failures Klaus Kragelund <klauskvik@hotmail.com> - 2017-02-26 17:44 -0800
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-27 07:51 -0800
Re: analog failures Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2017-02-23 21:36 +0200
Re: analog failures dagmargoodboat@yahoo.com - 2017-02-24 08:38 -0800
Re: analog failures krw@notreal.com - 2017-02-24 20:20 -0500
Re: analog failures kevin93 <kevin@whitedigs.com> - 2017-02-24 17:36 -0800
Re: analog failures Ralph Barone <ralph@invalid.com> - 2017-02-15 03:25 +0000
Re: analog failures John Larkin <jjlarkin@highlandtechnology.com> - 2017-02-14 19:20 -0800
Re: analog failures Tim Wescott <seemywebsite@myfooter.really> - 2017-02-14 17:46 -0600
Re: analog failures Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-02-14 17:50 -0700
Re: analog failures Tim Wescott <tim@seemywebsite.com> - 2017-02-14 23:49 -0600
Re: analog failures Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-02-15 07:03 -0700
Re: analog failures John Larkin <jjlarkinxyxy@highlandtechnology.com> - 2017-02-15 10:18 -0800
Re: analog failures Tim Wescott <seemywebsite@myfooter.really> - 2017-02-15 15:06 -0600
Re: analog failures legg <legg@nospam.magma.ca> - 2017-02-16 23:06 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 07:00 -0800
Re: analog failures legg <legg@nospam.magma.ca> - 2017-02-17 13:22 -0500
Re: analog failures Joerg <news@analogconsultants.com> - 2017-02-17 11:06 -0800
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