SHT4XTEMP(4) | Device Drivers Manual | SHT4XTEMP(4) |
sht4xtemp
— Driver
for Sensirion SHT40/SHT41/SHT45 sensor chip via I2C bus
sht4xtemp* at iic? addr 0x44
The sht4xtemp
driver provides measurements
from the SHT40/SHT41/SHT45 humidity/temperature sensors via the
envsys(4) framework. The
sht4xtemp
addr argument
selects the address at the iic(4)
bus. The resolution, heater controls and crc validity can be changed through
sysctl(8) nodes.
The following sysctl(3) variables are provided:
hw.sht4xtemp0.resolutions
hw.sht4xtemp0.resolution
hw.sht4xtemp.resolutions
.hw.sht4xtemp0.ignorecrc
hw.sht4xtemp0.heateron
hw.sht4xtemp0.heaterstrength
hw.sht4xtemp0.heaterpulses
hw.sht4xtemp0.heaterpulse
hw.sht4xtemp.heaterpulses
.hw.sht4xtemp0.debug
SHT4X_DEBUG
, this
node will appear and can be used to set the debugging level.hw.sht4xtemp0.readattempts
The sht4xtemp
driver first appeared in
NetBSD 10.0.
The sht4xtemp
driver was written by
Brad Spencer
<brad@anduin.eldar.org>.
September 28, 2021 | NetBSD 10.99 |