[Ovmsdev] PSRAM test toolchain

Michael Balzer dexter at expeedo.de
Thu Jun 6 02:57:06 HKT 2019


It *is* worth trying, Espressif just forgot to mention a necessary build config change.

Details: https://github.com/espressif/esp-idf/issues/2892#issuecomment-499184318

I've created a test branch for this: https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/commits/spiram-fix-test

I'm now running the new version on both my modules, and they seem to be very stable up to now. Not a single websocket data corruption yet.

I'll publish the build to my "edge" users now.

Regards,
Michael


Am 05.06.19 um 19:01 schrieb Michael Balzer:
> Not worth trying yet.
>
> It seems the toolchain libstdc++ hasn't been built with workaround, std::string is still broken.
>
> Regards,
> Michael
>
>
> Am 05.06.19 um 09:19 schrieb Mark Webb-Johnson:
>> FYI: Espressif have (finally) released a test toolchain for our PSRAM issue:
>>
>>     https://github.com/espressif/esp-idf/issues/2892
>>
>>     Linux <https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-90-g26d9621-5.2.0-psramfix-20190605.tar.gz>
>>     Windows <https://dl.espressif.com/dl/xtensa-esp32-elf-win32-1.22.0-90-g26d9621-5.2.0-psramfix-20190605.tar.gz>
>>     OSX <https://dl.espressif.com/dl/xtensa-esp32-elf-macos-1.22.0-90-g26d9621-5.2.0-psramfix-20190605.tar.gz>
>>
>>
>> Apparently, we need to include the following flags:
>>
>>     |CFLAGS+=-mfix-esp32-psram-cache-dupldst CXXFLAGS+=-mfix-esp32-psram-cache-dupldst|
>>
>>
>> This is a preliminary test fix only, so not for general release, but worth trying.
>>
>> Regards, Mark
>>
>>
>> _______________________________________________
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>> OvmsDev at lists.openvehicles.com
>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
> -- 
> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
>
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-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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