Lines Matching +full:temperature +full:- +full:sensor
1 .\"-
2 .\" SPDX-License-Identifier: BSD-2-Clause
31 .Nd Dallas Semiconductor 1-Wire Temperature sensor
37 module supports many of the 1-Wire temperature sensors.
39 The sensor is read periodically and the results returned via a
45 driver supports the following temperature sensors:
47 .Bl -column "DS18S20" "Econo 1-Wire Digital Thermometer" -compact
48 .It DS1820 Ta 1-Wire Digital Thermometer
49 .It DS18S20 Ta High-Precision 1-Wire Digital Thermometer
50 .It DS18B20 Ta Programmable Resolution 1-Wire Digital Thermometer
51 .It DS1822 Ta Econo 1-Wire Digital Thermometer
52 .It DS1825 Ta Programmable Resolution 1-Wire Digital Thermometer with 4-bit ID
53 .It MAX31820 Ta 1-Wire, Parasite-Power, Ambient Temperature Sensor
65 .Bl -tag -width "reading_interval"
66 .It temperature
67 The last temperature read, in milli-Kelvin.
69 The number of CRC errors in reading the temperature from the
75 The number of times a non-CRC error was encountered reading the temperature
79 The time, in ticks, between successive reads of the sensor.
81 This item is non-zero when the device is connected using its parasitic
86 Temperatures are reported in milli-Kelvin, even though the absolute
105 .Tn 1-Wire
135 .Dq Convert Temperature
137 There is no way to use the broadcast ability of the 1-Wire bus to do
148 Programs interested in the temperature must poll the sysctl to get the
149 temperature.