Hacking Hardware Picofly - a HWFLY switch modchip

Adran_Marit

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I'm having a hard time getting HOS working on a kiosk unit. Not sure if I'm an idiot with the custom kiosk atmosphere or if it's an issue with the pi firmware.
- Flashed 2.5+unlock
- 47ohm resistors on dat0, cmd, clk
- glitched quickly.
when launching fusee.bin from hekate I get these errors
View attachment 360390
From hekate launch I get this
View attachment 360393
If anyone has a known working sd config that should work on a kiosk unit please zip it up and dm it over if possible. There's a good chance that I'm just goofing up on the software end.

Not sure if you know, but kiosk need a special version of atmosphere if you have the correct pi firmware.

some lighter uf2 unlock doesn't work, only the 4mb one, can you try this new version?
once this one is tested I"ll upload to my aio thread.
 

Modzvilleusa

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quick question, after a firmware update does the chip need to be reset (like the Oled chips)
If so how does one reset the chip
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Not sure if you know, but kiosk need a special version of atmosphere if you have the correct pi firmware.


once this one is tested I"ll upload to my aio thread.
I didn't catch the part where I needed to unlock it lol. Got it sorted.
 
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A-Hacked-Soul

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So the full cost breakdown if you already having a soldering iron, solder, and flux then it comes out right at $30 for everything else. Wire, Flex Cable, the correct kind of double sided tape, 2040 Pico, and resistors.
 

Adran_Marit

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quick question, after a firmware update does the chip need to be reset (like the Oled chips)
If so how does one reset the chip

I'm not sure @rehius ?
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So the full cost breakdown if you already having a soldering iron, solder, and flux then it comes out right at $30 for everything else. Wire, Flex Cable, the correct kind of double sided tape, 2040 Pico, and resistors.

So the most expensive part for me (aside from console) was the flex which was $15 then $15 shipped. But pico zero was 5 bucks, so depending on region 20-30 if you have everything else
 
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Adran_Marit

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leerz

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quick question, after a firmware update does the chip need to be reset (like the Oled chips)
If so how does one reset the chip
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I didn't catch the part where I needed to unlock it lol. Got it sorted.
according to rehius, it will desync.

i tried it on sysnandcfw and daybreak showed this message,

(on emummccfw daybreak works like normal)

Updating via ninty servers on sysnand ofw no desync/modchip crash so far unlike normal hwfly
 

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Donnie-Burger

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I think they mean if horizon (the switch OS) gets an update?
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Please use the resistors especially if you are booting sysnand
Not booting anything but hekate and slow mode warning. Would the resistors be the reason? I have to wait for delivery to test. Backing up 32gb and boot 0/1 to write to another module just to rule that out.
 
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Adran_Marit

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according to rehius, it will desync.

i tried it on sysnandcfw and daybreak showed this message,

(on emummccfw daybreak works like normal)

Updating via ninty servers on sysnand ofw no desync/modchip crash so far unlike normal hwfly

Not booting anything but hekate and slow mode warning. Would the resistors be the reason? I have to wait for delivery to test. Backing up 32gb and boot 0/1 to write to another module just to rule that out.
don't forget to backup your keys
 

rehius

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is the toshiba fix on 2.5? can't get any toshiba switch to boot, i've tested on several switches with toshiba, when i swap out to a samsung or hynix, it boots pretty fast consistently



edit-- written toshiba contents to samsung, and it works, infinite glitch on toshiba
As I know, some Toshiba eMMC are still not working, but unfortunately it's hard to do anything without actually having them in hands. You can only wait for new versions for now
 

rehius

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after a firmware update does the chip need to be reset
No, it detects the update and resets automatically. Please do that either from Full Stock, or OFW mode (no SD + Vol- & Vol+), daybreak or Semi-Stock does not update BOOT0 which is required for the proper OFW work. The another way is to use daybreak, boot Full Stock through Hekate and perform the full system reset, this would fix the BOOT0 as well
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Possible to do a debug via hekate?
Sadly you would need a decent logic analyzer like DSLogic, since glitch does not work it is impossible to boot Hekate
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ohoh i had an accident on the apu some how i rip off a cap does anyone know the value?
and is ther maybe the same one on a v1 erista board?
It is 100nF cap, funny enough that you can use ones right from the pico board itself (the VIO ones closest to the rp2040 chip)
 

urherenow

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quick question, after a firmware update does the chip need to be reset (like the Oled chips)
If so how does one reset the chip
I'm not sure @rehius ?
"Like OLED chips" means to reset the training data, so that it'll retrain (but HWFLY also injects its own thing into boot0 or whatever... right? Not entirely sure what this project does, because I don't have a need for it at the moment. I did install my own HWFLY though (thus me not needing this right now... but boy has it been an interesting ride...)

but anyway, from the FAQ in the spoilers:

Q: Chip reset? Learning?
A: Short pin 0 to either 1 or GND. Reset internal statistics.
 
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Adran_Marit

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No, it detects the update and resets automatically. Please do that either from Full Stock, or OFW mode (no SD + Vol- & Vol+), daybreak or Semi-Stock does not update BOOT0 which is required for the proper OFW work. The another way is to use daybreak, boot Full Stock through Hekate and perform the full system reset, this would fix the BOOT0 as well
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Sadly you would need a decent logic analyzer like DSLogic, since glitch does not work it is impossible to boot Hekate
So if I'm understanding correct after the update to the next fw you need to reset the switch to stock if you used daybreak or updates to semi stock?

So update in full ofw then the reset isn't needed?
 

rehius

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So if I'm understanding correct after the update to the next fw you need to reset the switch to stock if you used daybreak or updates to semi stock?

So update in full ofw then the reset isn't needed?
Yes, you are right.

Until you do the full reset, the "Reset to OFW", boot in "Vol+ & Vol-" and boot without chip would give the blue or black screen due to BCT mismatch
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are ther any also on the erista board cause is have 3 donor boards ?
Same place, CPU caps. But I can assure you, pico board should work fine without them :)
 

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