To summarize considerable debugging by Johan and myself:
There appears to be a glibc bug for this platform displaying some float
values. He is taking the matter to the appropriate forum.
Paul Alfille
On Sat, Aug 15, 2009 at 5:13 PM, Johan Piculell <[email protected]> wrote:
> Thanks for the reply Paul.
> The sensor is a HIH-4000 and I just compiled the latest owfs version (2.7
> p24) but no difference.
>
> /Johan
>
> Paul Alfille wrote:
>
>> Well, the humidity sensor DOES work. At least in my set up. So let's
>> figure out what the differences are.
>>
>> 1. Do you know the OWFS version you are running? -V on the command
>> line will show this.
>> 2. Which humidity sensor are you using? I know it's DS2438-based, but
>> the actual humidity sensor can one of several chips.
>> 3. I doubt the library versions (except libow) matter, if you can read
>> temperatures.
>>
>> Paul Alfille
>>
>> On Sat, Aug 15, 2009 at 10:45 AM, Johan Piculell<[email protected]>
>> wrote:
>>
>>
>>> Hi.
>>> I'm running owserver on a WD MyBook which works excellent with all my
>>> temp sensors for long time now. But I recently got a humidity sensor
>>> based on DS2438 which I cannot get to work. I first thought the sensor
>>> was bad, but just tried it at my friends net, and there it was fine.
>>> What happens is that I get strange readings from /humidity and
>>> /temperature, values like "3.48314E-311". I'm using the USB adapter, and
>>> sensor was plugged right into this (very short cable) so cannot be any
>>> cable disturbances.
>>> The Linux installation on the MyBook is quite old however, so maybe
>>> some library dependencies for owfs is not fully satisfied?
>>>
>>> Any suggestions on this are very welcome.
>>>
>>> thanks
>>> /Johan
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>>>
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>>
>
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