I dropped in your triple (8x7135) ramping table last night, downloaded into a Lumintop SD26 and a Manker U11. Looking very good, better than mine. There's still slight pauses at the channel transition points, but I haven't been able to completely eliminate that in the past. I had better luck with the 2 channel ramping table. I haven't been able to figure that out on the triples.
I see it's not documented, but a quick search will tell you the D1_DIODE setting is only used in 1.1V ref method (no R1/R2), and not used at all if you are using R1/R2. When using the R1/R2 resistors, look up tables are used to convert the AtoD readings to a voltage level.
I don't know what this means: I got there an odd pheonmen that SD is set 0.1V per cell below ramp down ??
For mode groups, yes - only 8 mode groups for triple channel configurations - I stopped there. I'll have to re-visit this. My priority has been for the two channel projects.
Of course in defining mode groups and giving them some sort of % output rating, it gets pretty impossible to be accurate for the multitudes of possible hardware builds out there. I based the percentages on approximately 1,500 lumens output on the full FET. Of course on a full FET, a BLF Q8 can do 6,000 lumens, while the OTR M3 does only 1,400 lumens, or my 16X super light can do 37,000 lumens. A max level of a single 7135 is ~10% (150 lumens) given the max level on the FET is 1,500 lumens, but it's only ~0.4% on the 16X super light.
In triples, it's worse because of the additional bank of 7135's - it could be 8 7135's, or 6, or 12. You could also stack a 7135 on the single 7135, so that will throw off everything as well.
In your case, you are building the driver so you have a canned set configuration, and it could be documented accordingly. I can't write a manual for every possible user of the firmware. For ratings of % output, even you can't define that because the modder buying your driver is the one that knows the light design - what kind of LED's, how many LED's, cells used, etc. I really don't want to get into writing manuals for every possible modded light out there.
Things were much simpler back in the day of straight use of one channel of 7135's.