Hi Paul, Based on the email from George, I decided to revisit my results and see if I achieved similar behavior. As George reported, there is definitely some weird going on with the 1-wire communication.
The initial cached version number of the barometer looked bad: # cat /mnt/owfs/EF.F69620150000/version 255.25 # cat /mnt/owfs/EF.F69620150000/version 255.25 But the cached barometer type number looked OK: # cat /mnt/owfs/EF.F69620150000/type_number 6 # cat /mnt/owfs/EF.F69620150000/type_number 6 Checking the uncached barometer version number, initially it is bad but them it came good: # cat /mnt/owfs/uncached/EF.F69620150000/version 255.25 # cat /mnt/owfs/uncached/EF.F69620150000/version 255.25 # cat /mnt/owfs/uncached/EF.F69620150000/version 1.0 However, later reads of the uncached version number produced '255.25' again. Similarly, the uncached barometer type number was bad, but then also came good: # cat /mnt/owfs/uncached/EF.F69620150000/type_number 255 # cat /mnt/owfs/uncached/EF.F69620150000/type_number 255 # cat /mnt/owfs/uncached/EF.F69620150000/type_number 6 # cat /mnt/owfs/uncached/EF.F69620150000/type_number 6 # cat /mnt/owfs/uncached/EF.F69620150000/type_number 6 But again, later reads of the uncached type number produced '255'. Unlike last time, I do now see the barometer directory (I assume due to all the probing of the uncached directory): # ls /mnt/owfs/uncached/EF.F69620150000/ address barometer/ family locator r_id type version alias crc8 id r_address r_locator type_number # ls -l /mnt/owfs/uncached/EF.F69620150000/barometer/ total 0 -rw-rw-rw- 1 root root 12 Oct 26 16:52 altitude -rw-rw-rw- 1 root root 12 Oct 26 16:52 config -rw-rw-rw- 1 root root 21 Oct 26 16:52 location -r--r--r-- 1 root root 12 Oct 26 16:52 polling_available -rw-rw-rw- 1 root root 12 Oct 26 16:52 polling_frequency -r--r--r-- 1 root root 12 Oct 26 16:52 pressure -r--r--r-- 1 root root 12 Oct 26 16:52 pressure_altitude --w--w--w- 1 root root 1 Oct 26 16:52 reboot --w--w--w- 1 root root 1 Oct 26 16:52 reset -r--r--r-- 1 root root 12 Oct 26 16:52 temperature The read results for both barometric pressure and temperature do not appears correct though: # cat /mnt/owfs/uncached/EF.F69620150000/barometer/pressure -1050 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/pressure -1050 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/pressure -1050 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/temperature -0.1 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/temperature -3.4 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/temperature -3.4 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/temperature -3.4 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/temperature -3.4 Neither do the other parameters: # cat /mnt/owfs/uncached/EF.F69620150000/barometer/altitude 0 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/altitude -1 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/altitude 0 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/polling_available 255 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/polling_available 255 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/polling_frequency 255 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/polling_frequency 9 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/polling_frequency 255 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/pressure_altitude -17 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/pressure_altitude 187 # cat /mnt/owfs/uncached/EF.F69620150000/barometer/pressure_altitude 187 Thanks David On Sun, Oct 26, 2014 at 11:51 AM, George Edwards <georg...@gmail.com> wrote: > Hi Paul, > I'm having the same problem as David - I can see the barometer on the bus > - just can't get any measurements. > > I think part of the problem is that I don't initially get the type values > below - a lot of the time they seem to be -1, then after a while they'll > start to oscillate between valid and -1. > > pi@tycho ~/owfs-2.9p8 $ cat /var/lib/1wire/uncached/EF.016020150000/type > /var/lib/1wire/uncached/EF.016020150000/type_number > /var/lib/1wire/uncached/EF.016020150000/version ; ls -l > /var/lib/1wire/uncached/EF.016020150000/ > HobbyBoards_EF > 6 > 1.0 > total 0 > -r--r--r-- 1 root root 16 Oct 26 12:11 address > -rw-rw-rw- 1 root root 256 Oct 26 12:11 alias > -r--r--r-- 1 root root 2 Oct 26 12:11 crc8 > -r--r--r-- 1 root root 2 Oct 26 12:11 family > -r--r--r-- 1 root root 12 Oct 26 12:11 id > -r--r--r-- 1 root root 16 Oct 26 12:11 locator > -r--r--r-- 1 root root 16 Oct 26 12:11 r_address > -r--r--r-- 1 root root 12 Oct 26 12:11 r_id > -r--r--r-- 1 root root 16 Oct 26 12:11 r_locator > -r--r--r-- 1 root root 32 Oct 26 12:11 type > -r--r--r-- 1 root root 12 Oct 26 12:16 type_number > -r--r--r-- 1 root root 7 Oct 26 12:16 version > > Thanks, > George > > On Sun, Oct 26, 2014 at 11:01 AM, David Lazarou <dlazaro...@gmail.com> > wrote: > >> Hi Paul, >> >> Thanks for the quick reply. The requested data is shown below. >> >> For the barometer: >> >> # cat /mnt/owfs/EF.F69620150000/type_number >> 255 >> # cat /mnt/owfs/EF.F69620150000/version >> 255.25 >> >> For the humidity sensor: >> >> # cat /mnt/owfs/EF.A05F20150000/type_number >> 255 >> # cat /mnt/owfs/EF.A05F20150000/version >> 255.25 >> >> Seems like they are not being detected correctly. >> >> Thanks >> David >> >> >> On Sat, Oct 25, 2014 at 11:42 PM, Paul Alfille <paul.alfi...@gmail.com> >> wrote: >> >>> Can you tell me the type_number and version for the two devices? >>> (Reading from the owfs entries)? Both will show selected properties based >>> on the type number which Hobbyboards (and owfs) uses to distinguish the >>> different available sensors. >>> >>> Paul >>> >>> On Fri, Oct 24, 2014 at 10:57 PM, David Lazarou <dlazaro...@gmail.com> >>> wrote: >>> >>>> Hi All, >>>> >>>> I recently purchased a new Hobby Board barometer and humidity sensor to >>>> add to my 1-wire network which uses a 1-wire USB adapter. However, while I >>>> do get data back from these devices, I see no barometric or humidity >>>> readings. I'm running the most recent code (owfs-2.9p8) which I noted >>>> supports these devices. >>>> This is what I see when I do a directory listing of the devices: >>>> >>>> barometer: >>>> >>>> # ls -l /tmp/1-wire/EF.F69620150000 >>>> total 0 >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 address >>>> -rw-rw-rw- 1 root root 256 Oct 25 13:16 alias >>>> -r--r--r-- 1 root root 2 Oct 25 13:16 crc8 >>>> -r--r--r-- 1 root root 2 Oct 25 13:16 family >>>> -r--r--r-- 1 root root 12 Oct 25 13:16 id >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 locator >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 r_address >>>> -r--r--r-- 1 root root 12 Oct 25 13:16 r_id >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 r_locator >>>> -r--r--r-- 1 root root 32 Oct 25 13:16 type >>>> -r--r--r-- 1 root root 12 Oct 25 13:17 type_number >>>> -r--r--r-- 1 root root 7 Oct 25 13:17 version >>>> >>>> humidity: >>>> >>>> # ls -l /tmp/1-wire/EF.A05F20150000/ >>>> total 0 >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 address >>>> -rw-rw-rw- 1 root root 256 Oct 25 13:16 alias >>>> -r--r--r-- 1 root root 2 Oct 25 13:16 crc8 >>>> -r--r--r-- 1 root root 2 Oct 25 13:16 family >>>> -r--r--r-- 1 root root 12 Oct 25 13:16 id >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 locator >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 r_address >>>> -r--r--r-- 1 root root 12 Oct 25 13:16 r_id >>>> -r--r--r-- 1 root root 16 Oct 25 13:16 r_locator >>>> -r--r--r-- 1 root root 32 Oct 25 13:16 type >>>> -r--r--r-- 1 root root 12 Oct 25 13:18 type_number >>>> -r--r--r-- 1 root root 7 Oct 25 13:18 version >>>> >>>> I have both devices connected to a Hobby Board 4 channel hub. >>>> I have tried running the owfs server from a Raspberry Pi running >>>> Archlinux and from a laptop running Fedora 19. However, I get exactly the >>>> same results. >>>> I am successfully using other 1-wire devices on the network, so I don't >>>> thing there is any problems with the hardware. >>>> Can any one confirm that they have successfully used these devices? >>>> >>>> Thanks >>>> David >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> >>>> _______________________________________________ >>>> Owfs-developers mailing list >>>> Owfs-developers@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>>> >>>> >>> >>> >>> ------------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Owfs-developers mailing list >>> Owfs-developers@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>> >>> >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Owfs-developers mailing list >> Owfs-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/owfs-developers >> >> > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers > >
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