Executing cc2538-bsl require pyserial which I already have installed about cc2538-bsl HOT 3 OPEN

could you try
python3 cc2538-bsl.py -p COM20 -evw --bootloader-sonoff-usb CC1352P2_CC2652P_launchpad_coordinator_20211217.hex

See if that works?

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Experiencing the same issue.. I've tried on two different linux computers and even tried using a python virtual environment.

It's odd as if I start a python environment from the command line I can manually import serial.

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Actually found the issue...

I started with:

pip install pyserial intelhex python-magic

Successfully installed...

python cc2538-bsl.py -p /dev/ttyUSB0 -evw --bootloader-sonoff-usb ./CC1352P2_CC2652P_launchpad_coordinator_20230507.hex

[Errno 13] Permission denied: '/dev/ttyUSB0'

So I added sudo to get permission to /dev/ttyUSB0:

sudo python cc2538-bsl.py -p /dev/ttyUSB0 -evw --bootloader-sonoff-usb ./CC1352P2_CC2652P_launchpad_coordinator_20230507.hex

cc2538-bsl.py requires the Python serial library...

This issue as I understand it is that running sudo python filename.py is not using the same python environment as running python filename.py and the pip install commands were installing to the latter.

I resolved by pip installing as root, i.e.

sudo pip install pyserial intelhex python-magic

Successfully installed...

python cc2538-bsl.py -p /dev/ttyUSB0 -evw --bootloader-sonoff-usb ./CC1352P2_CC2652P_launchpad_coordinator_20230507.hex

... Verified

Although, I don't believe it good practice to pip install as root.

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