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21. High-level API Reference
YTemperature
temperature
→
isOnline()
Checks if the temperature sensor is currently reachable, without raising any error.
js
function isOnline( )
cpp
bool isOnline( )
m
-(BOOL) isOnline
pas
function isOnline( ): boolean
vb
function isOnline( ) As Boolean
cs
bool isOnline( )
java
boolean isOnline( )
py
def isOnline( )
php
function isOnline( )
es
function isOnline( )
If there is a cached value for the temperature sensor in cache, that has not yet expired, the device is
considered reachable. No exception is raised if there is an error while trying to contact the device
hosting the temperature sensor.
Returns :
true
if the temperature sensor can be reached, and
false
otherwise
330
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Содержание Yocto-RangeFinder
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