fix: esp32c3 direct boot #358
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Prior to this change, attempting to `espflash flash` with the `--format direct-boot` argument targeting an esp32c3 would fail, reporting: ``` Error: espflash::unsupported_image_format × Image format direct-boot is not supported by the esp32c3 revision v0.3 help: The esp32c3 only supports direct-boot starting with revision 3 ``` However, direct-boot on this board was working prior to the changes in b25af06, and looking at the [docs][esp32c3 revisions] it seems that the mapping that was chosen for the `c3` specifically was `v0.REVISION`: > ECO | Revision (Major.Minor) > ----------------------------- > ECO1 | v0.1 > ECO2 | v0.2 > ECO3 | v0.3 > ECO4 | v0.4 [esp32c3 revisions]: https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/api-reference/system/chip_revision.html#revisions
This change rewords the error message from "revision 3" to "revision 3 (v0.3)" in an effort to clarify the mapping between hardware revisions and major/minor version numbers. Additionally, it moves the esp32c3-specific error closer to the actual version check to make it easier to keep both in sync.
Previously, `cargo check --all-targets` reported this import as unused. Since it's just `const u16`, the import is probably side-effect free and indeed safe to remove.
jessebraham
approved these changes
Mar 8, 2023
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Not a problem, thanks! |
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Prior to this change, attempting to
espflash flashwith the--format direct-bootargument targeting an esp32c3 would fail, reporting:However, direct-boot on this board was working prior to the changes in
b25af06, and looking at the docs it seems that the
mapping that was chosen for the
c3specifically wasv0.REVISION:Additionally, this PR contains a small cleanup change (f0ab4dd) and a proposal for moving/updating the error message emitted above.