Team Rebug SwitchMe UP - Modchip installed and working

Discussion in 'Switch - Backup Loaders & Modchips' started by garyopa, Jul 18, 2018.

  1. kuze

    kuze Member

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    Jul 16, 2018
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    It's not clear from the GitHub readme or the linked wiring diagrams thread that you can't flash a payload to the SwitchMe while installed internally and in RCM.

    I think a small added note about it would go a long way in helping others going forward.

    The documentation other than that point is fine though.
     
    aut0mat3d likes this.
  2. evilsperm

    evilsperm Advanced Member

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    Go check now.
     
    kuze likes this.
  3. kuze

    kuze Member

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    Perfect! Thanks. Agreed that flashing CTCaer 4.1 and chain loading other payloads is the best setup with the SwitchMe and AutoRCM.
     
  4. magico29

    magico29 GBAtemp Maniac

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    hell no,i do rather softmod over modchip,good luck am out.
     
  5. aut0mat3d

    aut0mat3d GBAtemp Regular

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    Thanks for the Answers and the hint with CTCaer.
    What makes me wondering is that i succeeded one time to change the Payload with the Modchip soldered in ;) - probably a lucky perfect timing?

    Also this would only last as long as CTCaer gets a feature which i want to have as chainloading CTCaer with CTCaer is a little bit strange when config parameters changes........
    So I believe there is a real Need to have a way to update the Modchip in System. Probably by Chainloading a Payload which does enable USB Data Lines...

    Edit:
    Also i need some clearification:
    I can "disable" the Modchip by holding its Reset Button.
    Afterwards i can boot to Horizon OS by sending a Payload via PC.
    So, in Theory i should be able to update the Modchp in System with AutoRCM enabled.
    What i am missing?
     
    Last edited by aut0mat3d, Sep 22, 2018
  6. aut0mat3d

    aut0mat3d GBAtemp Regular

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    Gonna reply to myselve:
    Gave that another try and it worked:

    Held the Reset Button on Boot and injected a Payload via PC to boot into Horizon OS
    Double Tapped Reset and inserted USB Cable on PC.
    Storage is seen under Windows10, after opening the Folder the Explorer Windows closes, Device not available anymore.
    Gave Linux another Shot and under Linux it is working.

    As already sated, Updating in System with no additinally Periphery (USB Hub) seems to be a little picky ;)

    So, no real need for chainloading

    Edit:
    This is only an idea as i do not exactly know how RCM really works:
    A cute alternative Way of updating would be via RCM Payload and modified Bootloader on the Trinket:
    Set the Switch in RCM, double Tap Reset on Modchip
    Modchip is only listening on USB Side
    Send a Payload with some magic Bytes to have the Firmware Update flagged for the Modchip
    Send the new Firmware.
    No need for a hacky Implementation of USB mass Storage in parallel to a existing USB Device
     
    Last edited by aut0mat3d, Sep 22, 2018
  7. loler55

    loler55 GBAtemp Advanced Fan

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    thats amazing!!!!!!!!!!
     
  8. kuze

    kuze Member

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    Nice rebug boot logo btw! Any chance of a version with a black background?
     
    Xenosaiga likes this.
  9. evilsperm

    evilsperm Advanced Member

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    Sure I'll do it in a bit :)
     
  10. maguro

    maguro Newbie

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    Any news about SwitchMe external dongle?
     
  11. evilsperm

    evilsperm Advanced Member

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    were waiting on the last revision of the protos.
    We have added some features non of the chinese or tx even bothered to think of, and you run a huge risk using their products ;)
     
    maguro and aut0mat3d like this.
  12. kuze

    kuze Member

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    Awesome, looking forward to it!
     
  13. Myshkin

    Myshkin Member

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    Oct 3, 2016
    ES my install guy has a question: "There is one particular connection I'm concerned about and that is soldering the 3.3v (red wire) as it highlights two pads to solder to on the switch emmc. Any ideas if that means you can use either one or if you have to solder to both and then make a join??" (The 4 wire install...)

    any help is much appreciated.
     
  14. yacepi15

    yacepi15 GBAtemp Maniac

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    It is like a internal RCM payload injector. So, no.
     
  15. Moquedami

    Moquedami GBAtemp Fan

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    I have the same doubt. It seems to me that any of them is fine, but a confirmation would be great.
    Also, does auto RCM need to be enabled?
     
  16. mattytrog

    mattytrog You don`t want to listen to anything I say.

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    If you look closely, it is a solid trace. Therefore both connections are the same. Bridge it if you like.
     
  17. Moquedami

    Moquedami GBAtemp Fan

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    Cool. Thanks for your answer!
     
  18. lordelan

    lordelan GBAtemp Psycho!

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    How do you tell the chip which payload to launch?
    Or in general how does it work softwaresided?
     
  19. mattytrog

    mattytrog You don`t want to listen to anything I say.

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    A few different ways...

    Build your own UF2...
    Use quantum_cross source...
    Use my source
    Use my "chainloader" UF2 file to run any unconverted payload.
     
  20. lordelan

    lordelan GBAtemp Psycho!

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    That last one sounds the most promising. It just points to a specifig .bin file to which I would have to rename my payload to, correct?
    Where can I get it?
     
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