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Cross Reference: hytp14var.h
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i2c
History log of
/src/sys/dev/i2c/hytp14var.h
Revision
Date
Author
Comments
1.4
03-Jul-2016
kardel
convert device polling from callout to kthread.
Solves:
- hung initialization on A20 (bananapi)
- allows iic_exec() implementations to use condvars
1.3
09-Sep-2015
phx
Tests showed that the sensor needs at least 30ms after a MR (measurement
request) to have valid data ready, so the driver didn't work very well.
Now the MR is sent in configurable intervals (hw.hythygtemp0.interval)
using callout(9), so that valid data is immediately available for
sysmon's sensor refresh. When the refresh comes too close after the last
MR, then the previous values are used.
1.2
10-Aug-2014
tls
branches: 1.2.2; 1.2.4; 1.2.6;
Merge tls-earlyentropy branch into HEAD.
1.1
18-May-2014
kardel
branches: 1.1.2; 1.1.4;
add HYT-221/271/939 humidity/temperature I2C sensor
extend envsys(4) framework by %rH (relative humidity)
1.1.4.2
10-Aug-2014
tls
Rebase.
1.1.4.1
18-May-2014
tls
file hytp14var.h was added on branch tls-earlyentropy on 2014-08-10 06:54:51 +0000
1.1.2.2
18-May-2014
rmind
sync with head
1.1.2.1
18-May-2014
rmind
file hytp14var.h was added on branch rmind-smpnet on 2014-05-18 17:45:37 +0000
1.2.6.2
09-Jul-2016
skrll
Sync with HEAD
1.2.6.1
22-Sep-2015
skrll
Sync with HEAD
1.2.4.3
03-Dec-2017
jdolecek
update from HEAD
1.2.4.2
20-Aug-2014
tls
Rebase to HEAD as of a few days ago.
1.2.4.1
10-Aug-2014
tls
file hytp14var.h was added on branch tls-maxphys on 2014-08-20 00:03:37 +0000
1.2.2.1
04-Nov-2015
riz
Pull up following revision(s) (requested by phx in ticket #975):
sys/dev/i2c/hytp14.c: revision 1.5
share/man/man4/hythygtemp.4: revision 1.3
sys/dev/i2c/hytp14var.h: revision 1.3
Tests showed that the sensor needs at least 30ms after a MR (measurement
request) to have valid data ready, so the driver didn't work very well.
Now the MR is sent in configurable intervals (hw.hythygtemp0.interval)
using callout(9), so that valid data is immediately available for
sysmon's sensor refresh. When the refresh comes too close after the last
MR, then the previous values are used.
Indexes created Mon Oct 20 16:09:52 GMT 2025