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From: Guenter Roeck <linux@roeck-us.net>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "jdelvare@suse.com" <jdelvare@suse.com>,
	"linux-hwmon@vger.kernel.org" <linux-hwmon@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: Errant readings on LM81 with T2080 SoC
Date: Mon, 8 Mar 2021 14:39:34 -0800	[thread overview]
Message-ID: <20210308223934.GD185990@roeck-us.net> (raw)
In-Reply-To: <d6074923-ee7e-4499-0e54-383a607d3c41@alliedtelesis.co.nz>

On Mon, Mar 08, 2021 at 08:27:30PM +0000, Chris Packham wrote:
[ ... ]
> > Other than that, the only other real idea I have would be to monitor
> > the i2c bus.
> I am in the fortunate position of being able to go into the office and 
> even happen to have the expensive scope at the moment. Now I just need 
> to find a tame HW engineer so I don't burn myself trying to attach the 
> probes.
> 
A bit unrelated, but you can get scopes connected through usb which are
quite low-cost (like in the $100 range) and good enough for i2c testing.

Guenter

WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux@roeck-us.net>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "linux-hwmon@vger.kernel.org" <linux-hwmon@vger.kernel.org>,
	"jdelvare@suse.com" <jdelvare@suse.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>
Subject: Re: Errant readings on LM81 with T2080 SoC
Date: Mon, 8 Mar 2021 14:39:34 -0800	[thread overview]
Message-ID: <20210308223934.GD185990@roeck-us.net> (raw)
In-Reply-To: <d6074923-ee7e-4499-0e54-383a607d3c41@alliedtelesis.co.nz>

On Mon, Mar 08, 2021 at 08:27:30PM +0000, Chris Packham wrote:
[ ... ]
> > Other than that, the only other real idea I have would be to monitor
> > the i2c bus.
> I am in the fortunate position of being able to go into the office and 
> even happen to have the expensive scope at the moment. Now I just need 
> to find a tame HW engineer so I don't burn myself trying to attach the 
> probes.
> 
A bit unrelated, but you can get scopes connected through usb which are
quite low-cost (like in the $100 range) and good enough for i2c testing.

Guenter

  reply	other threads:[~2021-03-08 22:40 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-07 22:52 Errant readings on LM81 with T2080 SoC Chris Packham
2021-03-07 22:52 ` Chris Packham
2021-03-08  0:31 ` Guenter Roeck
2021-03-08  0:31   ` Guenter Roeck
2021-03-08  2:27   ` Chris Packham
2021-03-08  2:27     ` Chris Packham
2021-03-08  4:37     ` Chris Packham
2021-03-08  4:37       ` Chris Packham
2021-03-08  4:59       ` Guenter Roeck
2021-03-08  4:59         ` Guenter Roeck
2021-03-08 20:27         ` Chris Packham
2021-03-08 20:27           ` Chris Packham
2021-03-08 22:39           ` Guenter Roeck [this message]
2021-03-08 22:39             ` Guenter Roeck
2021-03-10  2:19           ` Chris Packham
2021-03-10  2:19             ` Chris Packham
2021-03-10  5:06             ` Guenter Roeck
2021-03-10  5:06               ` Guenter Roeck
2021-03-10 21:48               ` Chris Packham
2021-03-10 21:48                 ` Chris Packham
2021-03-11  7:41                 ` Guenter Roeck
2021-03-11  7:41                   ` Guenter Roeck
2021-03-11  8:18                   ` Wolfram Sang
2021-03-11  8:18                     ` Wolfram Sang
2021-03-11 15:19                     ` Guenter Roeck
2021-03-11 15:19                       ` Guenter Roeck
2021-03-11 21:17                     ` Chris Packham
2021-03-11 21:17                       ` Chris Packham
2021-03-11 21:34                       ` Guenter Roeck
2021-03-11 21:34                         ` Guenter Roeck
2021-03-11 23:47                         ` Chris Packham
2021-03-11 23:47                           ` Chris Packham
2021-03-12  0:07                           ` Guenter Roeck
2021-03-12  0:07                             ` Guenter Roeck
2021-03-12  0:19                             ` Chris Packham
2021-03-12  0:19                               ` Chris Packham
2021-03-12  9:25                         ` David Laight
2021-03-14 21:26                           ` Chris Packham
2021-03-15  9:46                             ` David Laight
2021-03-18  5:44                             ` Wolfram Sang
2021-03-18  5:44                               ` Wolfram Sang
2021-03-18  3:46                         ` Chris Packham
2021-03-18  3:46                           ` Chris Packham
2021-03-18  4:02                           ` Guenter Roeck
2021-03-18  4:02                             ` Guenter Roeck
2021-03-18  5:39                             ` Wolfram Sang
2021-03-18  5:39                               ` Wolfram Sang
2021-03-08 22:10         ` Chris Packham
2021-03-08 22:10           ` Chris Packham
2021-03-09  4:36           ` Chris Packham
2021-03-09  4:36             ` Chris Packham
2021-03-09  5:24             ` Guenter Roeck
2021-03-09  5:24               ` Guenter Roeck
2021-03-09 23:35   ` Chris Packham
2021-03-09 23:35     ` Chris Packham
2021-03-10  3:29     ` Guenter Roeck
2021-03-10  3:29       ` Guenter Roeck

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