Please, can you be more specific ? When I try echo "1" > /mnt/1wire/simultaneous/temperature, cat /mnt/1wire/simultaneous/temperature return 0.
Wiki is outdated http://owfs.org/index.php?page=temperature-measurements I have compiled from source with --enable-mt ./configure --disable-owftpd --disable-owhttpd --enable-usb --enable-debian --enable-owfs --enable-mt --prefix=/usr 2014-10-28 15:13 GMT+01:00 Roberto Spadim <robe...@spadim.com.br>: > http://sourceforge.net/p/owfs/mailman/message/19829236/ > > Em terça-feira, 28 de outubro de 2014, Roberto Spadim < > robe...@spadim.com.br> escreveu: > > There's a command to convert temperature of all sensors in the bus, that's >> the simultaneous conversion >> Check owfs file system there's a file just for this >> Check ds1820 datasheet too , that's interesting when you need speed >> >> Em terça-feira, 28 de outubro de 2014, Coudy <co...@chovan.net> escreveu: >> >>> Hi, what do you mean with "do a simultaneous conversion and read the >>> values after the conversion is done on all sensors." ? >>> Could you please add example ? >>> I read data with cat /mountpoint/sensor/temperature. >>> >>> If temperature sensor is powered, then reading is faster compared to >>> parasitic power ? >>> >>> >>> 2014-10-28 11:40 GMT+01:00 Jan Kandziora <j...@gmx.de>: >>> >>>> Am 27.10.2014 um 18:08 schrieb Coudy: >>>> > I have in Zabbix Timeout 15 seconds. I want to try restart server >>>> every >>>> > hour, then I'll post results >>>> > >>>> Sampling 19 temperature sensors one-by-one takes up to 19 seconds. This >>>> is due to the lengthy A/D conversion process. >>>> >>>> Either increase the timeout, sample 9-bit or 10-bit only, or power the >>>> sensors, then do a simultaneous conversion and read the values after the >>>> conversion is done on all sensors. The latter takes about 2 seconds for >>>> 20 sensors in 12-Bit mode on a DS9097. >>>> >>>> Kind regards >>>> >>>> Jan >>>> >>>> >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> _______________________________________________ >>>> Owfs-developers mailing list >>>> Owfs-developers@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/owfs-developers >>>> >>> >>> >> >> -- >> Roberto Spadim >> SPAEmpresarial >> Eng. Automação e Controle >> >> > > -- > Roberto Spadim > SPAEmpresarial > Eng. Automação e Controle > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers > >
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