Howto get idf version of older compiled project

xenpac
Posts: 25
Joined: Sun Dec 08, 2019 1:20 am

Howto get idf version of older compiled project

Postby xenpac » Thu Mar 10, 2022 10:17 am

i have an older compiled project of which i dont know the idf-version i used to compile it.
is there related information somewhere in the build directory to retrieve the used idf-version ?

FWerle
Posts: 2
Joined: Mon Mar 29, 2021 8:32 pm

Re: Howto get idf version of older compiled project

Postby FWerle » Wed Apr 19, 2023 5:31 pm

I would also like to know.

I installed IDF 5.01 but there are a lots of legacy lacking.

Need to install the proper one but I can't find any reference and initial setup is gone (New computer).

ESP_Sprite
Posts: 9709
Joined: Thu Nov 26, 2015 4:08 am

Re: Howto get idf version of older compiled project

Postby ESP_Sprite » Fri Apr 21, 2023 2:21 am

You could flash it to an ESP32 and see what the initialization chatter tells you. There's usually a line that mentions a version number and Git commit ID for the ESP-IDF version used there.

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mbratch
Posts: 303
Joined: Fri Jun 11, 2021 1:51 pm

Re: Howto get idf version of older compiled project

Postby mbratch » Wed Apr 26, 2023 8:19 pm

FWerle wrote:
Wed Apr 19, 2023 5:31 pm
I installed IDF 5.01 but there are a lots of legacy lacking.

Need to install the proper one but I can't find any reference and initial setup is gone (New computer).
Once you figure out what IDF version you want to use, you can check the version migration guides in the ESP-IDF documentation. Depending upon version, you might have to locate the legacy documentation. Or install an older ESP-IDF and work with that.

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