By the way, 14.08.19 23:53, Jacek Anaszewski пише: > 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 Full cycle takes 8 seconds too. So actually it's splitted into 10 stages, each takes 800ms. > Similarly in case of this one. I will give you a feedback on how > to define the patterns within few days. > Take you time. -- Best regards, Oleh Kravchenko
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