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  1. S

    Fardriver 72850 repair questions

    I am working on trying to understand the firmware with ghidra. I am of the belief right now that there are offsets being applied to these files that allow them to work correctly. They aren't just 1:1 applied to the memory on the cpu. Without having some reference i dont know that I am likely get...
  2. S

    Fardriver 72850 repair questions

    So this is what I have figured out for flashing the cpu. If you put a .hex file on it raw. it does seem to respond. If you use a .bin file raw it doesn't seem the cpu can run the code. I am working under the assumption at the moment that the firmware flash utility formats the .bin firmware...
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    Fardriver 72850 repair questions

    Yeah everything worked perfect till the cpu blew up. Since its blown up it hasn't worked. Mind you I can get a 6 beep/click code out of the speaker if I use some of the hex files from the forum. Which is defined as the security code. But the encoder version of the controller doesnt even support...
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    Fardriver 72850 repair questions

    I was not able to identify why the cpu died but all the vss/vdd pins are shorted on it when removed. That issue is resolved now though and it has good power so there is no sensable reason i cant access the cpu through the app with bluetooth unless there is an issue with the bluetooth not being...
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    Fardriver 72850 repair questions

    I bought a package with a qs180 and a 72850 encoder far driver controller. Sadly the cpu died after only a few hours of use. I went into a fairly deep dive on this and ended up identifying that the 3.3v to ground bus for the cpu was shorted. After trying a bunch of things i removed the cpu and...
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