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3.0.4版本存储的env数据，在版本升级到4.1后，无法使用 #144

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humphreyxiao opened this issue Oct 20, 2022 · 3 comments
Open

3.0.4版本存储的env数据，在版本升级到4.1后，无法使用 #144

humphreyxiao opened this issue Oct 20, 2022 · 3 comments

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@humphreyxiao
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我看md文件支持增量升级，不过我实测3.0.4版本升级到4.1时，3.0.4版本存在flash里的env数据，使用旧接口ef_get_env无法正常获取，请问这个怎么可以获取到？
@armink
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armink commented Oct 20, 2022

3.x 和 4.x 是不兼容的，没法做增量升级的

@humphreyxiao
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多谢大佬答复！

那这样是否就意味一旦客户之前有使用过3.X版本并且有存数据，就不能使用4.X以上版本，除非他不care这些数据？

@armink
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armink commented Oct 20, 2022

是的呢。增量升级，强调是厂商固件这边有新增的默认 ENV ，此时 OTA 固件后，可以通过增量升级模式，把新增 ENV 升级到客户环境中

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@armink @humphreyxiao