Feasa 20-F, User Manual

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FEASA LED ANALYSER
FUNCTIONAL VERSION
Table of Contents
Introduction ..........................................................................................................................................6
IMPORTANT INFORMATION for Programmers ...............................................................................7
Colour and Saturation ...........................................................................................................................8
Intensity ..............................................................................................................................................10
Photopic Response ..............................................................................................................................12
White LED's .......................................................................................................................................13
Setting Tolerance Limits for Colour and Intensity .............................................................................14
Physical Layout ..................................................................................................................................15
USB Port Control ...............................................................................................................................15
Serial Port Control (RS232) ...............................................................................................................16
Trigger Port Control ...........................................................................................................................17
Capture Commands ........................................................................................................................18
Capture Times Static Leds ........................................................................................................18
AUTO CAPTURE - Store LED Data .......................................................................................19
MANUAL CAPTURE - Store LED Data for a specific range .................................................20
Capture Times PWM Leds ........................................................................................................21
AUTO CAPTUREPWM - Store PWM LED Data ...................................................................21
MANUAL CAPTUREPWM - Store PWM LED Data for a specific Range ............................22
CAPTUREMULTI - Multiple Capture Command ....................................................................23
Get Data Commands ...........................................................................................................................24
Under Range Condition ............................................................................................................24
Over Range Condition ..............................................................................................................24
Incorrect Capture Mode ............................................................................................................24
getRGBI## - Get RGB and Intensity for a LED .......................................................................25
getHSI## - Get Hue, Saturation and Intensity ..........................................................................26
getxy## - Return the xy Chromaticity values ...........................................................................27
getxyi## - Return the xy Chromaticity & Relative Intensity values .........................................28
getCIEXYZ## - Return the CIE 1931 XYZ Colour values ......................................................29
getUV## - Return the u'v' Chromaticity values ........................................................................30
getWAVELENGTH## - Get the Dominant Wavelength ...........................................................31
getWI## - Get the Dominant Wavelength & Intensity ..............................................................32
getWSI## - Get the Dominant Wavelength, Saturation & Intensity .........................................33
getCCT## - Get the Correlated Colour Temperature ................................................................34
getINTENSITY## - Get the Relative Intensity .........................................................................35
getABSINT@@ Get the Absolute Intensity Value of the Led under test. ................................36
getSIGNALLEVEL## - Get the Relative Intensity in a percentage of the Range ....................37
getFACTOR - Get the exposure Factor .....................................................................................38
get7SEG# - Get the value of a 7 Segment Display ...................................................................39
getAUTOPWM - Get which Auto Capture Mode is active C or CPWM .................................40
getintensitymode - Get which Intensity Mode is active Logarithmic or Linear .......................41
getPHOTOPIC - Get which Photopic Mode is active ...............................................................42
getBAUD - Get the Baud Rate ..................................................................................................43
getHW - Get the Hardware Version ..........................................................................................44
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