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groundSpeed
Current ground speed
direction
Current direction
unixTime
Unix form of the current time (number of elapsed seconds since Jan 1970 1st)
dateTime
Current time in the form "YYYY/MM/DD hh:mm:ss"
utcOffset
Number of seconds between current time and UTC time (time zone)
command
Magic attribute used to send commands to the device. If a command is not interpreted as expected,
check the device logs.
5.10. DataLogger function interface
Yoctopuce sensors include a non-volatile memory capable of storing ongoing measured data
automatically, without requiring a permanent connection to a computer. The DataLogger function
controls the global parameters of the internal data logger.
logicalName
Character string containing the logical name of the data logger, initially empty. This attribute can be
modified at will by the user. Once initialized to an non-empty value, it can be used to access the data
logger directly. If two data loggers with the same logical name are used in the same project, there is
no way to determine which one answers when one tries accessing by logical name. The logical name
is limited to 19 characters among
A
..
Z
,
a
..
z
,
0
..
9
,
_
, and
-
.
advertisedValue
Short character string summarizing the current state of the data logger, that is automatically
advertised up to the parent hub. For a data logger, the advertised value is its recording state (ON or
OFF).
currentRunIndex
Current run number, corresponding to the number of time the module was powered on with the
dataLogger enabled at some point.
timeUTC
Current UTC time, in case it is desirable to bind an absolute time reference to the data stored by the
data logger. This time must be set up by software.
recording
Activation state of the data logger. The data logger can be enabled and disabled at will, using this
attribute, but its state on power on is determined by the
autoStart
persistent attribute. When the
datalogger is enabled but not yet ready to record data, its state is set to PENDING.
autoStart
Automatic start of the data logger on power on. Setting this attribute ensures that the data logger is
always turned on when the device is powered up, without need for a software command.
5. Programming, general concepts
28
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Содержание Yocto-GPS
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