stuck on handwired split right not registering keystrokes

[evils]

Hi, i handwired a TBK mini with some raspberry pi pico boards

after a few days of help from discord i managed to get to a point where my setup mostly works the left hand registers keystrokes, and the keys correctly map to the keymap it also works independent on which half i connect to USB (so the right half also works and serial communication works)

however none of my right hand's keys result in a keycode (directly shorting a row and a column pin also does nothing, so i don't think i somehow miswired just the right) this feels like i'm just missing something obvious, but so far neither me or the discord folks have found it so i'm hoping this issue gets the right eyes on my work

https://github.com/evils/qmk_firmware/tree/tbkpico/keyboards/handwired/tbkpico

[evils]

so far i've tried to switch the handedness of the halves to show the right half's wiring is ok found that side detection isn't supported in data driven keyboards yet so added the support of that that i needed

had it briefly work

cleaned up my code and now it not only doesn't work, but my left half's keymap is scrambled again

[evils]

turns out i'm an idiot who was flashing a different file than the one that was just built

everything seems to work, except now communication between the halves no longer works

[drashna]

This may help: https://docs.splitkb.com/hc/en-us/articles/360010588860-Only-one-half-of-my-keyboard-works-at-a-time-but-not-when-they-are-both-connected

[evils]

nice article, thanks my symptoms are different though, both halves work perfectly on their own and connecting the TRRS cable has no effect on that i will double check the continuity up to the pico boards instead of just to the connectors

but the change from both halves working and communication no longer working happened when i figured out i was a stale firmware file

side note, i'm doing the rx/tx switching in my wiring seems like it's possible now that the 2 halves know they're halves, one attempts to do the switching in firmware but i don't think i defined that anywhere

[evils]

turns out my GP0 is shorted to GND somewhere currently i'm assuming this is ESD damage in the RP2040 as i can't find any shorts the pico board is glued down to some proto board so there could be a short on the bottom...

for now i'm failing to do a bitbanged half duplex on the remaining pin...

[evils]

didn't get bitbanging half duplex going on the pico but i had a spare, so i swapped it out and now everything works :D

working on opening a PR for my data driven additions now