M300 Pro GNSS Receiver User Guide
MARKCONTROL to control the event functions.
Format
MARKCONTROL signal switch [polarity] [timebias [timeguard]]
Description
At present, Signal only supports mark1, and Switch supports ENABLE and DISABLE.
Polarity supports POSITIVE (positive pulse triggering) and NEGATIVE (negative pulse
triggering). Timebias and timeguard are not available currently.
Example
markcontrol mark1 enable negative 0 0
After configuration, you can save and check settings via command saveconfigand
logsysconfig.
Output Messages
Markpos and marktime provide the position and accurate time of the event
moment.The two messages support binary and ASCII formats, so the messages
provide formats markposa, markposb, marktimea and marktimeb.
Examples
logcom1 markposaonnew
logcom1 marktimeaonnew
Once you triggered the Event signal connector,it will output the event information
from the serial port(com1).The event information(marktime&markpos) will record to
the raw data once it be triggered if you enabled the event function.
5.2.2 PPS output
The M300pro receiver supports the PPS output. Use the command PPSCONTROL to
configure the PPS output.
Format
PPSCONTROL <switch><polarity><period><pulse-width>
Description
This command can be used to set the polarity, period and pulse-width of PPS output.
Parameters
<switch>: switch ‘enable’ or ‘disable’, the switch should be set to ‘enable’, and
‘disable’ is not allowed.
<polarity>: Select ‘positive’ if with a high level pulse, and ‘negative’ mode if a low
level pulse.
<period>: fixed to 1 second
<pulse-width>: in microseconds, should be less than half of period.
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