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Riding horses, hacking computers, phones and smartwatch.
@pancake Aha, thanks for the pointer. Yes, that's in related area, and nicely illustrates the problem. Select all black, and you'll get dark blue screen with backlight on, right? About #403f5f. My current hacks are in git@github.com:pavelmachek/Espruino.git (for a pc) and git@gitlab.com:tui/tui.git (bwatch/dithering.js for bangle).

But first thing would be .. I'd really like to understand how that display works and how to properly model it :-).
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@pancake No, do you have some kind of link?
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@dcz Problem is not limited to front lights, really. These days, blinding people with blinking tail lights became feasible :-(.
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Z nejake ezo-debaty:

Ja vidim velky rozdil mezi "spagetove monstrum zpusobilo velky tresk" a "staci odrikat modlidbicku a monstrum vrati ztraceneho psa".

Ó Velké Létající Špagetové Monstrum,
které nás obklopuješ svou laskavou omáčkou,
natáhni prosím své špagetové chapadlo
a veď mého ztraceného psa zpět ke mně.
Ať tvé masové kuličky chrání jeho kroky,
a tvá těstovinová moudrost ho přivede domů.
Ramen!
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@Wendinope Librem 5 has too short battery life for normal use. Original PinePhone closest to your requirements :-(.
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@Wendinope PinePhone, Librem 5 match the requirements. Research PinePhone, but CPUs are quite slow.
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@llvm CIP project will be maintaining 4.19 for few more years.
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@ozzelot @Razemix Duvod zmenit banku. (Nebo pro soudni spor nebo hur...) Svinarna :(.
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Vracime se do staje, za nama 3 kone. A zlutej rika, ze pred nama neni neco v poradku. A jo, vypada to zvlastne, neco bilyho tam beha... ale tezko rict jestli v ohrade nebo mimo. No, porad vic to vypada ze mimo, a kdyz dojdem na cestu tak je to jasny. Takze holky dolu, ty teda jeste nechapou proc... a ted co? No, zlutaku, myslim, ze nejakou travu tu najdes, a ja jdu chytat kobylu. To vzbuzuje trochu udiv, ale ne, zlutej se s nikym prat nebude -- je to moc prace a taaamhle je trava. Kobyla je ve vybehu, a kde je zlutak? No presne kde mel byt, na nejblizsi trave.
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Na cisteni je polozenych par helem... jedna ma celkem zajimovou barvu. A peri. A zobak. Aha, tak to nebude helma, ale slepice... Ma plus body ze se nijak zvlast nebrani, takze vstavat a pekne k ostatnim.
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I thought working on PC in #espruino would be smart, because porting code to watch will then be easy. Well, I was wrong. Apparently 3 levels of recursion are too many, and I'll have to rewrite that.
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If you play with colors, and everything looks wrong, check you are not using 8bpp mode.
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@ozzelot @latenightowl @pk84 Heh. OnePlus 6... Unbrickable, maybe, but I'm still running Droidian with two (!) red warnings during boot. Oh well :-).
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@neckspike @foone Actually ... we'll need RGB support in kernel, at the very least for keyboards. So that we can turn it off by default :-).
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@aikencz Ve skutecnosti... by bylo dobre vytvorit standard jak souradnice vkladat. Koneckoncu, geo:x,y uz se tusim nekde pouziva, to je jeste lepsi plan nez osm link.
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@DrewNaylor Well, kernel has such codes. I doubt megapixels (etc) will recognize them ATM.
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@dcz No, they are not identical. Do you have datasheet that explains what colors should look like (and why?). Because they are quite strange.
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@dcz I want to understand what colors I can use. So far, things don't make sense, but dithering should be usable given the resolution. And at least I can get data for emulator to match the clock.

It can't even display black! But it has two whites, almost identical.
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How does one calibrate colors on reflective screen? I guess printed charts would be useful...
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So #banglejs2 display is great at sunlight, but not so great at displaying color.

+/* With backlight on, fujitsu desktop monitor, gimp color picker
+
+ H S V
+ 0 Black is #403f5f 241 33% 37%
+
+ 1 Blue is about #4b6ec0 222 33% 61%
+ 2 Green is #839d68 89 33% 61%
+ 3 "sage green" #7ea581 123 23% 64%
+ 4 Red is about #9d6868 0 33% 61%
+ 5 "muted mauve" #897593 280 20% 57%
+ 6 "sage gray" #cdd5bc 79 11% 83%
+
+ 7 White is cca #a3e8b0 131 30% 91%

Hints how to convert web colors into this base would be welcome. It is 3-bit display, but I can do dithering, I guess...
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