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Add legacy (v4.4.x) toolchain support#249

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tonyjackson-srt wants to merge 7 commits intojoltwallet:masterfrom
tonyjackson-srt:feature/support-idf-4.4.x
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Add legacy (v4.4.x) toolchain support#249
tonyjackson-srt wants to merge 7 commits intojoltwallet:masterfrom
tonyjackson-srt:feature/support-idf-4.4.x

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@tonyjackson-srt
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Adds support for legacy projects pre-5.0. Tested against v4.4.8 locally.

It is only the SDMMC APIs that depend on 5.0+. There are recent changes to esp_littlefs that make using the latest version a desirable upgrade for older projects - in my case, the WDT servicing and access to fcntl(fd, F_GETPATH, …)

@tonyjackson-srt tonyjackson-srt marked this pull request as draft December 1, 2025 18:17
@tonyjackson-srt tonyjackson-srt deleted the feature/support-idf-4.4.x branch December 1, 2025 18:58
@BrianPugh
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Hey @tonyjackson-srt! Incase you are still working on this, I'm not particularly interested in re-adding esp-idf <v5 support. We removed it in #223 to simplify the code-base a bit. Given that esp-idf v4.4 EOL was July 2024 (16 months ago!). Thank you, though!

@tonyjackson-srt
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Hi @BrianPugh, it was trivial modifying it to work with 4.4.8 (everything works except MMC support), but less so to get those changes to build against v5+. There might be a simple solution - however if there is no interest in supporting 4.4.x we can just keep those changes locally rather than pushing upstream. When I get there I can put up a PR just so you can see what was involved (which you'd be free to reject, of course!)

@tonyjackson-srt tonyjackson-srt restored the feature/support-idf-4.4.x branch December 2, 2025 09:55
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2 participants