dist/tools/bmp: additional improvements to auto-detection #21128
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Parse the version number from the product description as returned by libusb. This works for stable firmware releases, and ensures that older firmwares work out of the box.
Instead of listing 'no targets found', detect unsupported targets as well. Once we need to attach, assert that the target is supported. Starting with firmware 2.0.0 of the BMP, not all targets are supported by defaults (depends on the firmware flavor). Adding support for this case therefore makes sense.
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maribu
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Jan 12, 2025
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CI: ready for build
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Let's squash, then we can merge :) |
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Contribution description
This extends the auto-detection logic by parsing the firmware version number from the device descriptor as returned by PySerial. For stable releases, this should return a proper version number, and restores out-of-the-box compatibility with older firmware versions.
The second improvements is to detect unsupported targets. The former message was a bit misleading. At least in v1.10.2 and v2.0.0 of the BMP, unsupported targets are prefixed with ***:
The improvement will detect this, and report back. If the user tries attach to the chosen target, a proper error will occur.
Lastly, some code improvements are added as well. Most of them were suggested by @maribu in a patch that laid the groundwork for auto-detection.
Testing procedure
Use the tool with firmware versions 1.8.0 - 2.0.0-rc1.
Issues/PRs references
Follow-up of #21107.