22. High-level API Reference
www.yoctopuce.com
355
YAnButton
anbutton
→
isOnline()
Checks if the analog input 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 analog input 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 analog input.
Returns :
true
if the analog input can be reached, and
false
otherwise
Содержание Yocto-Display
Страница 1: ...Yocto Display User Manual...
Страница 2: ......
Страница 40: ...34 www yoctopuce com...
Страница 52: ...46 www yoctopuce com...
Страница 84: ...78 www yoctopuce com...
Страница 92: ...86 www yoctopuce com...
Страница 130: ...124 www yoctopuce com...
Страница 158: ...22 High level API Reference 152 www yoctopuce com On failure throws an exception or returns a negative error code...
Страница 422: ...416 www yoctopuce com...
Страница 424: ...24 Characteristics 418 www yoctopuce com...