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Old 09-11-2021, 07:59 AM   #46
Renate
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Posts: 4,001
Karma: 18026955
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5, Go6
Quote:
Originally Posted by davidfor View Post
Now I am curious as to why the B&N Glow, with an older version of the RMSDK, supports it.
Well, I'm curious too. Has anybody got an actual number for the RMSDK version?

I fired up my Kobo Aura 2 (which I've hardly used) and see that it only makes square borders.
I looked at /usr/local/Kobo/librmsdk.so.1.0.0 (8,731,400 MD5=da7b3312cc209328c35faee358b42b79) and I see "10.0.4".

Unrelated: I notice from logs and visually that the processor itself steps up/down the backlight. That defeats the whole point of the LM3630A LED controller which can autonomously (and smoothly) ramp up/down brightness. Here's the register dump:
Spoiler:
Code:
lm3630a_leda i2c-0 36
00  Control           04
01  Configuration     18
02  Boost Control     63
03  Brightness A      96
04  Brightness B      00
05  Current A         1f
06  Current B         00
07  On/Off Ramp       00
08  Run Ramp          00
09  Interrupt Status  06
0a  Interrupt Enable  00
0b  Fault Status      00
0f  Software Reset    00
12  PWM Out Low       00
13  PWM Out High      00
1f  Revision          02
50  Filter Strength   03
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