esp-idf/components/bootloader_support
Jakob Hasse f4f45345ee esp_hw_support: decrease RNG read frequency on C6 and H2
* The RNG reading frequency of 200 KHz has been too high for
  C6 and H2 since on these chips the RNG output is combined
  with the RTC slow clock which is only 150KHz. Reduced the max
  reading frequency via esp_random() from 200KHz to 62.5KHz,
  which show best results in tests.
  Also updated the bootloader_fill_random() max frequency to the
  same value to be in line, even though it was just 83KHz.
2023-05-31 16:16:25 +00:00
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Bootloader Support Component
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Overview
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"Bootloader support" contains APIs which are used by the bootloader but are also needed for the main app.

Code in this component needs to be aware of being executed in a bootloader environment (no RTOS available, BOOTLOADER_BUILD macro set) or in an esp-idf app environment (RTOS running, need locking support.)