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feat: add support for One-Time Programmable Flash#763

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Fabian Gottstein (fabiangottstein) wants to merge 2 commits intomainfrom
feature/otp
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feat: add support for One-Time Programmable Flash#763
Fabian Gottstein (fabiangottstein) wants to merge 2 commits intomainfrom
feature/otp

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@fabiangottstein Fabian Gottstein (fabiangottstein) commented Mar 20, 2026

This add support for One-Time Programmable Flash.
It implements both the hal::Flash and hal::SynchronousFlash interfaces.
As the underlying implementation uses a synchronous way to program the flash,
the actual implementation is offloaded to a OneTimeProgrammableFlashWorker class.

Support is currently added only for STM32H5 series due to limited testing capabilities of other STM32 families.

@fabiangottstein Fabian Gottstein (fabiangottstein) changed the title Add support for One-Time Programmable Flash feat: add support for One-Time Programmable Flash Mar 20, 2026
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⚠️MegaLinter analysis: Success with warnings

Descriptor Linter Files Fixed Errors Warnings Elapsed time
✅ ACTION actionlint 7 0 0 0.08s
✅ CPP clang-format 15 2 0 0 2.14s
✅ CPP cppcheck 15 0 0 0.86s
✅ DOCKERFILE hadolint 1 0 0 0.02s
✅ JSON jsonlint 7 0 0 0.33s
✅ JSON prettier 7 2 0 0 2.54s
⚠️ MARKDOWN markdownlint 6 1 10 0 2.98s
✅ MARKDOWN markdown-table-formatter 6 1 0 0 1.56s
✅ REPOSITORY checkov yes no no 41.45s
✅ REPOSITORY git_diff yes no no 1.35s
✅ REPOSITORY grype yes no no 63.76s
✅ REPOSITORY ls-lint yes no no 0.07s
✅ REPOSITORY secretlint yes no no 83.47s
✅ REPOSITORY syft yes no no 2.02s
✅ REPOSITORY trivy yes no no 29.3s
✅ REPOSITORY trivy-sbom yes no no 2.07s
✅ REPOSITORY trufflehog yes no no 13.4s
⚠️ SPELL lychee 34 1 0 88.61s
✅ YAML prettier 10 1 0 0 2.29s
✅ YAML v8r 10 0 0 7.86s
✅ YAML yamllint 10 0 0 0.9s

Detailed Issues

⚠️ SPELL / lychee - 1 error
[IGNORED] tcp://localhost:1234/target/echo/programmer | Unsupported: Error creating request client: builder error for url (tcp://localhost:1234/target/echo/programmer)
[ERROR] http://mcd.rou.st.com/modules.php?name=mcu | Network error: error sending request for url (http://mcd.rou.st.com/modules.php?name=mcu) Maybe a certificate error?
[TIMEOUT] https://st.com/ | Timeout
📝 Summary
---------------------
🔍 Total..........239
✅ Successful.....236
⏳ Timeouts.........1
🔀 Redirected.......0
👻 Excluded.........0
❓ Unknown..........0
🚫 Errors...........1

Errors in .github/ISSUE_TEMPLATE/add-or-update-hal-driver.md
[ERROR] http://mcd.rou.st.com/modules.php?name=mcu | Network error: error sending request for url (http://mcd.rou.st.com/modules.php?name=mcu) Maybe a certificate error?

Errors in README.md
[TIMEOUT] https://st.com/ | Timeout
⚠️ MARKDOWN / markdownlint - 10 errors
.github/ISSUE_TEMPLATE/add-or-update-hal-driver.md:10 error MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: "How to import a HAL driver"]
CHANGELOG.md:83 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "⚠ BREAKING CHANGES"]
CHANGELOG.md:87 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:94 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Bug Fixes"]
CHANGELOG.md:103 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:122 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Bug Fixes"]
CHANGELOG.md:140 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "⚠ BREAKING CHANGES"]
CHANGELOG.md:144 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:151 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Features"]
CHANGELOG.md:162 error MD024/no-duplicate-heading Multiple headings with the same content [Context: "Bug Fixes"]

See detailed reports in MegaLinter artifacts

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  • Command: npx mega-linter-runner@9.4.0 --custom-flavor-setup --custom-flavor-linters ACTION_ACTIONLINT,CPP_CPPCHECK,CPP_CLANG_FORMAT,DOCKERFILE_HADOLINT,JSON_JSONLINT,JSON_PRETTIER,MARKDOWN_MARKDOWNLINT,MARKDOWN_MARKDOWN_TABLE_FORMATTER,REPOSITORY_CHECKOV,REPOSITORY_GIT_DIFF,REPOSITORY_GRYPE,REPOSITORY_LS_LINT,REPOSITORY_SECRETLINT,REPOSITORY_SYFT,REPOSITORY_TRIVY,REPOSITORY_TRIVY_SBOM,REPOSITORY_TRUFFLEHOG,SPELL_LYCHEE,YAML_PRETTIER,YAML_YAMLLINT,YAML_V8R

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