The PRIZM Sound Board User's Manual
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33
Accent LEDs sequencer
Four LEDs can produce 16 different patterns; for the sake of editing the sequence we
limited the sequencer to 32 stages.
The working principle of the sequencer is to put the LEDs in a given pattern/state
during a certain time (delay). Once the delay is over, a new pattern is output and so
on for the 32 stages before looping to the first one.
The main LED sequence is described for each sound bank in the
leds.txt
text file.
Simply open the file with window notepad to modify it, directly on the SD card or on
the hard disk.
PC has one main accent LED configuration file
leds.txt.
Here is an example of an actual
leds.txt
file.
Stages & Delays
The example below shows the accent LEDs with a chasing pattern. The state of each
LED is represented either by 0 (off) or 1 (on). Each “s” line defines a pattern of the 7
LEDs (state) while the “d” line is the duration of the pattern (delay).
The closest digit (0 or 1) to the equal sign is the state of LED4 (MSB) while
the one at the end of the line is the state of LED1 (LSB)
