[Ovmsdev] ESP-IDF v4 / v5 - baby steps

[Ludovic LANGE]

Hi Michael,
Hi list,

Thanks Michael for having taken the time to reproduce the build, and 
thus making this branch go from the state of "urban legend" to "has been 
confirmed at least once" :-)

I hope more of you will be able to follow the instructions of Michael, 
that are very clear and should ease your work when wanting to test this 
branch.

Ideally, I wanted that some of you having both the time (...) and a 
vehicle to test would be able to use this build as a daily driver, 
hoping that the known missing parts would not be a showstopper. Let me 
know, and also if you have some spare cycles you can check 
https://github.com/wolfSSL/wolfssl/issues/6028 in order to help fix some 
remaining issues on this library we depend on.

In the meantime, I believe we can try to integrate (part of) this branch 
in master. I already started to distillate some parts of this in 
multiples MRs here 
https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/pulls?q=is%3Aopen+is%3Apr+author%3Allange+draft%3Afalse 
; which could be merged without -I hope, but the review will confirm- 
any impact nor regression to the current master branch.

Let me know if I should continue in that direction, and sorry for 
sounding impatient about it :-)

Regards,


Le 18/02/2023 à 10:12, Michael Balzer a écrit :
> Ludovic,
>
> the issue is bound to the docker image version, I was using 
> "espressif/idf", which is "latest".
>
> The build works using the same sdkconfig with 
> "espressif/idf:release-v5.0" (and again fails at that mbedtls module 
> when switching back to the "latest" image).
>
> So to build the current experimental state, I recommend using the 
> docker image and basically doing the steps Ludovic formalized in the 
> github action:
>
> ### SETUP ###
>
> cd ~/esp/Open-Vehicle-Monitoring-System-3
>
> # setup branch:
> git remote add llange 
> git at github.com:llange/Open-Vehicle-Monitoring-System-3.git
> git branch -t experimental-esp-idf-build-workflow 
> llange/experimental-esp-idf-build-workflow
>
> # switch to branch:
> git checkout experimental-esp-idf-build-workflow
> git submodule update --init --recursive
>
> # apply mongoose patch:
> git apply --directory=vehicle/OVMS.V3/components/mongoose/mongoose 
> vehicle/OVMS.V3/support/mongoose-espv5.patch
>
> # install v5 sdkconfig defaults:
> cp vehicle/OVMS.V3/support/sdkconfig.defaults.esp5 
> vehicle/OVMS.V3/sdkconfig.defaults
>
> # install v5 idf components:
> cp vehicle/OVMS.V3/support/idf_component.yml.esp5 
> vehicle/OVMS.V3/main/idf_component.yml
>
>
> ### BUILD ###
>
> cd ~/esp/Open-Vehicle-Monitoring-System-3/vehicle/OVMS.V3
>
> # launch docker shell:
> docker run --rm -v $PWD:/project -w /project -it 
> espressif/idf:release-v5.0
> # init docker image (needs to be done on every start):
> apt-get update && apt-get install -y dos2unix
>
> # OPTION 1: start with default config:
> rm vehicle/OVMS.V3/sdkconfig
> # NOTE: this will build for ESP32 >= rev3, excluding the SPIRAM bug 
> workarounds
>
> # OPTION 2: update your existing sdkconfig:
> idf.py menuconfig
> # → press '/'
> #   … enable FREERTOS_ENABLE_BACKWARD_COMPATIBILITY
> #   … disable FREERTOS_ASSERT_ON_UNTESTED_FUNCTION
> #   … disable MG_ENABLE_SSL
>
> # build:
> idf.py build
>
> # flash & start USB monitor:
> idf.py app-flash && idf.py monitor
>
>
> The build boots & works, issues you described excluded.
>
> An issue I didn't expect:
>
> I (0) cpu_start: Starting scheduler on APP CPU.
> E (0) task_wdt: esp_task_wdt_add(747): TWDT was never initialized
> …
> E (10) task_wdt: esp_task_wdt_add(747): TWDT was never initialized
>
> …and then repeated 4x per second:
> E (3130) task_wdt: esp_task_wdt_reset(783): task not found
>
> I'll try to find the cause, as we cannot silent these ("early" 
> logging) they make using the shell challenging.
>
> But, besides that, it has Wifi & cellular connectivity, so looks very 
> promising -- nice work, Ludovic!
>
> Regards,
> Michael
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