Current-Users archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: TEMPer and TEMPerHUM usb thermometer driver
Hi,
> so I will check their algorithms for calculating temperature and humidity
> against ours (unless someone beats me to it).
Haven't done this yet, but adding the signature match for my TEMperHUM gives
me:
[uthum1]
temp: -4.260 degC
[uthum3]
temp: 4.700 degC
[uthum5]
temp: 18.020 degC
relative humidity: 31
so the values read for the TEMPerHUM (uthum5) look correct. Adding some
debug to uthum_refresh() gave me:
uthum5: read SHT1x data 0x16 0xb4 0x3 0xbe 0xff 0xff 0xff 0xff
uthum5: read SHT1x data 0x16 0xb4 0x3 0xbf 0xff 0xff 0xff 0xff
uthum3: read TEMPER data 0x11 0x80 0x31 0x0 0x14 0x0 0x53 0x0
uthum1: read TEMPER data 0xe 0x0 0x31 0x0 0x14 0x0 0x53 0x0
so the data (*) read from the TEMPer1 (uthum1) and the TEMPer (uthum3) is
in a different format to that read from the TEMPerHUM.
Thanks,
J
(*) I know that we only use buf[0] and buf[1], but I printed out the other
values in case the data was shifted to another byte.
--
My other computer also runs NetBSD / Sailing at Newbiggin
http://www.netbsd.org/ / http://www.newbigginsailingclub.org/
Home |
Main Index |
Thread Index |
Old Index