FEASA LED ANALYSER
ICT VERSION
External Capture Mode
External Capture Mode
There is an external capture function triggered by an external transition on the Feasa ICT
units. A falling edge on the pin 7 of the ICT connector will trigger a capture on the Led
Analyser.
Set up the external capture
The command “SETEXTERNALCAPTURE##” will activate the external capture.
## can be:
00: External capture is disabled (default factory value)
01 to 05: Range capture 1 to 5 is selected (CAPTURE#)
06: Automatic capture is selected (CAPTURE)
11-15: PWM capture (CAPTURE#PWM) range capture 1 to 5 is selected.
The command “GETEXTERNALCAPTURE” reads back the external capture mode from the unit.
Set up the data report
Once the external capture has been finished, the analyser can output the data corresponding
to a particular parameter (HSI, RGBI…). The commands to configure the data report are:
“SETEXTERNALOUTPUTNONE”: no data is reported over the RS232 port after the capture. This
mode is the default factory.
“SETEXTERNALOUTPUTRGBI”: Red, Green, Blue and Intensity are reported for all the fibres
automatically after an external trigger has been applied:
01 rrr ggg bbb iiiii
02 rrr ggg bbb iiiii
…
20 rrr ggg bbb iiiii
“SETEXTERNALOUTPUTHSI”: Hue, Saturation and Intensity are reported for all the fibres
automatically after an external trigger has been applied:
01 hhh.hh sss iiiii
02 hhh.hh sss iiiii
…
20 hhh.hh sss iiiii
“SETEXTERNALOUTPUTXYI”: xy coordinates and Intensity are reported for all the fibres
automatically after an external trigger has been applied:
01 0.xxxx 0.yyyy iiiii
02 0.xxxx 0.yyyy iiiii
…
20 0.xxxx 0.yyyy iiiii
108
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