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esp_timer: remove legacy ESP32 FRC timer implementation.

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Marius Vikhammer
2021-12-14 19:01:19 +08:00
parent ba348f11b8
commit edb76f14d6
31 changed files with 86 additions and 643 deletions
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6
docs/en/migration-guides/system.rst
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@@ -51,3 +51,9 @@ APP Trace
---------
One of the timestamp sources has changed from the legacy timer group driver to the new :doc:`GPTimer <../api-reference/peripherals/gptimer>`. Kconfig choices like ``APPTRACE_SV_TS_SOURCE_TIMER00`` has been changed to ``APPTRACE_SV_TS_SOURCE_GPTIMER``. User doesn't need to choose the group and timer ID any more.
ESP Timer
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Removed the FRC2 based legacy implementation of esp_timer available on ESP32. The simpler and more efficient implementation based on the LAC timer is now the only option.