FEASA LED ANALYSER
ICT VERSION
Synchronous Serial Mode
Synchronous Serial Commands
The following table lists the commands that can be executed through the Synchronous Serial
Port. All data transmitted and received is in a binary format. The Most Significant Bit (MSB) is
transmitted/received first. Another Table Figure 26 contains other Sync Serial Commands for
the Capture Sequence Testing Function.
Command Data Transmitted Data Received
Clear Comms Buffer 0xFF (1 byte)
Initialize the LA 0xAA (1 byte)
Capture Auto Mode 0x55 0xD5 or 0xEE (error condition)
Capture using Range 1 0xA1 0xD5 or 0xEE (error condition)
Capture using Range 2 0xA2 0xD5 or 0xEE (error condition)
Capture using Range 3 0xA3 0xD5 or 0xEE (error condition)
Capture using Range 4 0xA4 0xD5 or 0xEE (error condition)
Capture using Range 5 0xA5 0xD5 or 0xEE (error condition)
Capture Status 0xBB 0xD5 or 0xEE (error condition)
CapturePWM Auto Mode 0xB0 0xD5 or 0xEE (error condition)
CapturePWM using Range 1 0xB1 0xD5 or 0xEE (error condition)
CapturePWM using Range 2 0xB2 0xD5 or 0xEE (error condition)
CapturePWM using Range 3 0xB3 0xD5 or 0xEE (error condition)
CapturePWM using Range 4 0xB4 0xD5 or 0xEE (error condition)
CapturePWM using Range 5 0xB5 0xD5 or 0xEE (error condition)
Read HSI 0x20 + fiber num (1byte) Hue(2bytes) + Sat(1byte) + Int (3byte)
Read RGB & I 0x30 + fiber num (1byte) R(1byte) + G(1byte) +B(1byte) +Int (3byte)
Set Sensitivity Factor 0x40 + factor(0x01 - 0x0F) factor(0x01 - 0x0F)
Read xy & I 0x50 + fiber num (1byte) x(2bytes) + y(1byte) + Int (3byte)
Read cct 0x60 + fiber num (1byte) cct (2bytes)
Read Dominant Wavelength 0x70 + fiber num (1byte) Dominant Wavelength (2bytes)
Read Wavelength & Sat & Intensity 0x71 + fiber num (1byte) Wavelength (2bytes) + Saturation (1byte) +
Int (3bytes)
Read Absolute Intensity 0x80 + fiber num (1byte) Int(3byte) + Exp(1byte)
Figure 19.
Note:- The code 0xD5 indicates the command completed correctly. If the code 0xEE is
received then an error has occurred and the command should be re-transmitted.
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