DS18B20BusConsumer¶
From: Analog Devices
Class: herosdevices.hardware.analog_devices.ds18b20.DS18B20BusConsumer
Driver Quality Index: beta
DS18B20 temperature sensor, read from a shared OneWireBusMaster’s cache instead of sysfs directly.
Bold arguments are mandatory. For more information on the listed arguments refer to the class documentation: herosdevices.hardware.analog_devices.ds18b20.DS18B20BusConsumer If parameters appear in this list but not in the class definition, please recursively check the linked base classes for the definition of the parameter.
Argument |
Type |
Default Value |
Description |
|---|---|---|---|
bus_master |
<class ‘herosdevices.core.bus.onewire.OneWireBusMaster’> |
the OneWireBusMaster (typically a RemoteHERO proxy to one) that polls the physical bus this device lives on. |
|
device_id |
<class ‘str’> |
id of the onewire device as named by the w1 Linux kernel driver (e.g. “28-00000df6f834”). |
The following JSON strings can be used to start a HERO device representation of DS18B20BusConsumer using BOSS.
{
"_id": "device_ds18b20_table_right",
"classname": "herosdevices.hardware.analog_devices.DS18B20BusConsumer",
"arguments": {
"bus_master": "$device_w1therm_bus",
"device_id": "28-00000e1e6004"
},
"datasource": {
"async": false,
"observables": {
"temperature": {
"conversion": "x / 1000",
"unit": "degC",
"boundaries": [
[
21,
22
],
[
20,
24
],
[
15,
30
]
]
}
},
"interval": 15
}
}
Note
This example contains a variable that references another HERO with $.
from examples/analog_devices/ds18b20_bus.json
{
"_id": "my_DS18B20BusConsumer",
"classname": "herosdevices.hardware.analog_devices.ds18b20.DS18B20BusConsumer",
"arguments": {
"bus_master": "<class 'herosdevices.core.bus.onewire.OneWireBusMaster'>",
"device_id": "<class 'str'>"
}
}
generated from signature