sequoia-ptpy research

Using sequoia-ptpy to enable Canon boot flag, and a few other tests.

This is not garunteed to be safe or not brick your camera -
run at your own risk

Run

git clone https://github.com/petabyt/sequoia-ptpy
cd sequoia-ptpy
pip3 install .

Make sure camera is not mounted. I would recommend removing SD card first, so it doesn't automatically mount.

Run python3 bootdisk.py.

Testing:

1300D: ~100 stress tests, worked fine

Major Revisions

Initial attempt, crashed 70% of the time:
https://github.com/petabyt/sequoia-ptpy/commit/54a4acc3ff5614215a8cc97e02af42fcb6a765af

Fixed crashing by adding extra zeros to string: https://github.com/petabyt/sequoia-ptpy/commit/b5d493b3cb3804e01c40c97213ebc78b63da095d

PTP Decoder

I wrote a basic PTP decoder for reverse-engineering PTP USB output.
See main.c, and mess with the filters.

make ptp f=usbdump.bin

How it works

This uses an undocumented Canon PTP command (0x9052) found via
reverse engineering Canon software. This command allows Canon "eventproc"
commands like EnableBootDisk to be run via USB/PTP rather than UART.

Windows, Linux portable front-end

I've written a portable front end UI app for this. I've tested it
on Windows and Linux:
https://github.com/petabyt/mlinstall