MMC SPI small operation optimization - #11
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mck1117
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February 17, 2021 19:55
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rusefi#32) 🤖 This PR was prepared by the ChibiOS sheriff (assistant-operated account) on the maintainer's direction. It is for **human review and merge** — the sheriff does not review, approve or merge its own PRs. Backport of the post-21.11.5 HAL ecosystem work from `main` onto the `stable-21.11.x` LTS, targeting **21.11.6**. XHAL (the OOP HAL) is intentionally out of scope; only the `os/hal` halves of the shared fixes are applied. 1. **STM32 HAL: assorted port fixes** — RTC EXTI-clear sysHalt on H5 (rusefi#15) and U0 (rusefi#16); STM32U3 RTC APB-clock boot-hang + bogus RTC EXTI removal (rusefi#31, U3 only — U5 has no RTC-EXTI framework on 21.11.x); L4+/L4R `CLK_POINT_NAMES` comma (rusefi#21); STM32C0xx SPI2 RCC/DMAMUX (rusefi#12); ADCv6/v7 `ADC2_IRQ_HOOK` (rusefi#11); SYSTICKv1 `STM32_ST_FREQUENCY_TOLERANCE` (rusefi#17). 2. **FTL templates + mcuconf regen** — `tools/ftl` bumped to the chibios-ftl `stable-21.11.x` line (3 mcuconf template fixes); all 244 templated mcuconf.h regenerated. Net: 496 insertions / 0 deletions — tolerance on every config (0; 0.5% on U0/U3), F303 I2S section, C071 SPI2 (rusefi#17/rusefi#18/rusefi#19). 3. **OOP: oop_random_stream** base class (regenerated; required by VFS). 4. **tools/style: stylecheck.py** Python checker + wrappers + rusefi#28 FP fixes (Perl checker left in place). 5. **VFS: current generation + ROMFS driver** — file nodes expose a random-access stream; new read-only ROMFS driver (default off); pulls in `os/common/utils/packbits`. Codegen is idempotent on this branch (regen reproduces these files byte-for-byte). 6. **style:** deterministic whitespace/comment cleanups (HAL/common/various/lib, rusefi#20/rusefi#27/rusefi#29/rusefi#30), no functional change. - **No new HAL ports introduced** — only ports already present in 21.11.5 are touched; the main-only `*_TEST` port dirs are excluded. - `os/vfs/various/syscalls.c` is **left as-is**; main's newlib_bindings reorg is out of scope for the backport. - The cosmetic style pass is **partial** where 21.11.x sources have diverged from main (51 files applied, 7 diverged/absent skipped). - Compile-surface checked against the 21.11.x kernel-7 OSAL (no kernel-8 API). Per maintainer, hardware/build verification is done on `main`. - Submodule `tools/ftl` points at chibios-ftl `stable-21.11.x` @ 170e75b. --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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fixes rusefi/rusefi#2356, and improves performance to boot!