Hacking WIP [Trinket] [Rebug] [Others] SWITCHBOOT_UF2 / FUSEE_UF2 modchip software

mattytrog · Jan 17, 2019

Dougiejones said:
@mattytrog wait plz i'm lost

Would try to test your Updated SWITCHBOOT but which one to choose ? this one SWITCHBOOT_TRINKET_JOYCON_VOLUME.uf2 ? As it is now separeted from REBUG folder

The Trinket and the Rebug are identical apart from the chip name in the INFO_UF2.TXT. Thats the only difference. Use either.

Dougiejones · Jan 18, 2019

mattytrog said:
The Trinket and the Rebug are identical apart from the chip name in the INFO_UF2.TXT. Thats the only difference. Use either.

That was a dumb question sorry as this is INFO_UF2.TXT whom updated

@mattytrog about Trinket Mode's change from Mode 1 to Mode 2 for instance should i replace by 02 (Dec Value) at offset 4B00 in TRINKET_REBUG_SIMPLE_UF2_V096.UF2 ? Thank you

EDIT : answering myself tests in progress...

Surfi · Jan 19, 2019

Hello, just wanted to thanks @mattytrog for all your work and your recommendations. This was my very first soldering job (yes, I am a little reckless) and it went very well. I did a clean dual boot installation and everything worked like a charm. That Antex XS25 with the 0,12mm bit you recommended me was amazing for this job. Also the summary of the tutorial that josete2k did on a spanish forum, and the answers he gave to my questions helped a lot. Thanks to both of you!
Sadly I didn´t take photos, but I used a rcmx86 chip.

mattytrog · Jan 19, 2019

Fantastic I'm glad it worked out for you my friend

annson24 · Jan 19, 2019

Doesn't work with r4s, flashing the Simple-UF2 v0.9.6, the dongle's led flashes red.

mattytrog · Jan 19, 2019

annson24 said:
Doesn't work with r4s, flashing the Simple-UF2 v0.9.6, the dongle's led flashes red.

What sort of flash? Quick? Try and see if it sends a payload

annson24 · Jan 20, 2019

Yes, a quick red flash. And no, it doesn't send a payload. As soon as the dongle turns on, the led flashes red and the switch stays at rcm.

mattytrog said:
What sort of flash? Quick? Try and see if it sends a payload

Sent from my SM-N960F using Tapatalk

mattytrog · Jan 20, 2019

annson24 said:
Yes, a quick red flash. And no, it doesn't send a payload. As soon as the dongle turns on, the led flashes red and the switch stays at rcm.

Sent from my SM-N960F using Tapatalk

OK. I REALLY need a bootloader dump or better still, just buying one.

Anyone wanna do a trade? R4S for a fitted chip?

Note to MODS: This isn`t business or "trading" per se. This is me trying to get hold of an R4S so I can properly develop Simple-UF2 for it. No money changing hands.

Dougiejones · Jan 20, 2019

@mattytrog I've reached out the Mode 2 from the Trinket with success

the main trouble its increase payload of one step from SX OS either with Power Off or Restart.
And this without Trinket Tact button pressed.

It doesn't happen with other payloads

As you leave the SX OS the Trinket makes a self reset ins't it ? thx

mattytrog · Jan 20, 2019

Dougiejones said:
@mattytrog I've reached out the Mode 2 from the Trinket with success
the main trouble its increase payload of one step from SX OS either with Power Off or Restart.
And this without Trinket Tact button pressed.

As you leave the SX OS the Trinket makes a self reset ins't it ? thx

It "should" only increase upon a fail. However, if you only have one strap fitted and boot into stock, it will make the counter increase by one.

You may be better off using the payload menu in Simple-UF2/ hekate.

To use this, rename "payload.bin" or "payload<number>.bin" to something and choose it from the menu.

I'm thinking of ideas I can use to improve this. I'm thinking a long press on vol+ to increase payload

Dougiejones · Jan 20, 2019

mattytrog said:
It "should" only increase upon a fail. However, if you only have one strap fitted and boot into stock, it will make the counter increase by one.

Ok i think i understand now thank you. As i don't have the Joycon strap fitted Simple UF2 considers this as "sending failure" so the counter autoincrease
by one everytime i jump onto Horizon (either from OFW or SX OS) and i Power Off or Reboot\Restart. Notice : from OFW Horizon it makes the counter increase by two.

mattytrog said:
You may be better off using the payload menu in Simple-UF2/ hekate.

Yep back to Trinket Mode 1 and will use this way at the moment

mattytrog said:
To use this, rename "payload.bin" or "payload<number>.bin" to something and choose it from the menu.

THX for the remind

mattytrog said:
I'm thinking of ideas I can use to improve this. I'm thinking a long press on vol+ to increase payload

You give it up with the USB connection's idea instead ?

annson24 · Jan 20, 2019

mattytrog said:
OK. I REALLY need a bootloader dump or better still, just buying one.

Anyone wanna do a trade? R4S for a fitted chip?

Note to MODS: This isn`t business or "trading" per se. This is me trying to get hold of an R4S so I can properly develop Simple-UF2 for it. No money changing hands.

I can try dumping the bootloader unless it includes taking this thing apart and soldering to a bunch of points.

Sent from my SM-N960F using Tapatalk

mattytrog · Jan 20, 2019

annson24 said:
I can try dumping the bootloader unless it includes taking this thing apart and soldering to a bunch of points.

Sent from my SM-N960F using Tapatalk

I think BOSSA should be able to do it. However, don`t write anything with BOSSA. It has caused me problems with nvmuserrow in the past, requiring a jlink or openocd rig.

If you could read from 0 - 262144 in BOSSA and upload it. That would be effing great.

mattytrog · Jan 20, 2019

@Dougiejones

Anyone fancy trying this?

ONLY PEOPLE WITH VOL+ STRAP FITTED NEED APPLY!

This UF2 (going to be 0.9.7 once finished) has a new feature.

Hold vol+ for 5 seconds, you SHOULD see a rapid confirm LED flash and the chip will start blinking out payload numbers...
1 blink = payload 1
2 blinks = payload 2
etc

Press vol+ again to store, chip reboots and launches your selected payload and if you reboot simple-uf2, it will show the currently selected payload on the screen.

Someone give it a try pretty please.

---Deleted... Updated. Check my later post.

MeteK · Jan 20, 2019

mattytrog said:
@Dougiejones

Anyone fancy trying this?

ONLY PEOPLE WITH VOL+ STRAP FITTED NEED APPLY!

This UF2 (going to be 0.9.7 once finished) has a new feature.

Hold vol+ for 5 seconds, you SHOULD see a rapid confirm LED flash and the chip will start blinking out payload numbers...
1 blink = payload 1
2 blinks = payload 2
etc

Press vol+ again to store, chip reboots and launches your selected payload and if you reboot simple-uf2, it will show the currently selected payload on the screen.

Someone give it a try pretty please.

i think it's my case no ?

mattytrog · Jan 20, 2019

MeteK said:
i think it's my case no ?

Yes I think so. I can`t remember if you have both straps fitted or not.

MeteK · Jan 20, 2019

I have dual boot. i have to keep vol+ to boot CFW.

mattytrog · Jan 20, 2019

MeteK said:
I have dual boot. i have to keep vol+ to boot CFW.

I don`t think it will apply to you then.

This is for people who can perma-boot into CFW without autoRCM. Sorry!

noX1609 · Jan 20, 2019

@
Thanks for your great work.

One Question: Whats the offset for change the mode with hex editor? In your tutorial in the first post you said you are going to release it but i can‘t find it

Would be great if you could add it so i can change the mode without soldering a switch at the trinket.

mattytrog · Jan 20, 2019

noX1609 said:
@
Thanks for your great work.

One Question: Whats the offset for change the mode with hex editor? In your tutorial in the first post you said you are going to release it but i can‘t find it Would be great if you could add it so i can change the mode without soldering a switch at the trinket.

For Trinket/rebug is 4B00 in 0.9.6

Hacking WIP [Trinket] [Rebug] [Others] SWITCHBOOT_UF2 / FUSEE_UF2 modchip software

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