On 8/14/19 10:16 PM, Oleh Kravchenko wrote: > Hello Jacek, > > 14.08.19 22:57, Jacek Anaszewski пише: >>>>> >>>>> All pattern is predefined, you can't change them at all. >>>>> I just tried to describe real things what happened in LED board. >>>>> It's ticks every 800 milliseconds for Pipe LEDs. >>>> >>>> It makes me wonder how you figured out the values? If you have >>>> a documentation for this controller, could you share how the pattern >>>> settings are documented? >>> >>> I saw the code of firmware. >>> Not sure if I can find any documentation for it right now. >> >> Have you tried to alter the values? Or check what happens when >> the duplication is removed? > > What do you mean alter? It doesn't make any sense. > Board is accepts only brightness level from '0' to '5'. > I'm really confused :-) OK, I didn't analyze the driver thoroughly enough. Now everything is clear to me. Patterns are triggered just by writing two-byte command. >>>> >>>> For the first two we could do without sequence duplication. >>> >>> Ok, I will reduce it. >> >> Please hold on for a while. I will have some more remarks to the driver, >> just collecting missing info for now to gain more complete view on this >> device. > > Here is the full story: > > EL15203000 LEDs board (aka RED LEDs board, because it has only RED LEDs). > It's provide access to 3 LEDs: > > - First LED (Screen) is a light tube around big 21" screen > It's have 3 brightness levels: > * OFF > * ON > * Breathing mode (8 seconds full cycle) OK, so this is LED string. We would need to bend rules to make it appearing as a single LED class device, but allowing non-synchronous blinking of LEDs in the string. > - Second LED (Vending area) is highlight coffee cap > * OFF > * ON > - Third LED (Pipe) is actually virtual, because consists from 5 LEDs > * OFF for all 5 LEDs > * ON for all 5 LEDs > * Cascade > * Inverses cascade > * Bounce > * Inverses bounce Similarly in case of this one. I will give you a feedback on how to define the patterns within few days. -- Best regards, Jacek Anaszewski
