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490bf29767ce057bc4944db23f26b8a9376bfa16
esp-idf/components/bootloader_support
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Ivan Grokhotkov 490bf29767 esp32s2: fix enabling 32k XTAL clock 
On the ESP32S2, rtc_clk_cal(RTC_CAL_RTC_MUX) measures the frequency
of the 90kHz RTC clock regardless of the selected slow clock
frequency. Keep track which clock is selected and pass the argument
to rtc_clk_cal accordingly.

fix clock choices

update rtc 32k xtal code for s2

missed api in rtc.h

bootloader_clock: update for S2
2020-02-17 17:33:56 +01:00
..
include
bootloader_support: add esp_chip_id_t value for ESP32-S2
2020-02-06 19:50:14 +01:00
include_bootloader
bootloader_support: refactor to better support multi target
2019-12-23 05:45:17 +00:00
src
esp32s2: fix enabling 32k XTAL clock
2020-02-17 17:33:56 +01:00
test
global: rename esp32s2beta to esp32s2
2020-01-22 12:14:38 +08:00
CMakeLists.txt
global: rename esp32s2beta to esp32s2
2020-01-22 12:14:38 +08:00
component.mk
global: rename esp32s2beta to esp32s2
2020-01-22 12:14:38 +08:00
Makefile.projbuild
Secure boot: Correctly re-sign if signing key changes, better error if missing
2016-12-01 23:49:12 -08:00
README.rst
Refactor existing bootloader common functionality into bootloader_support component
2016-11-02 17:58:41 +11:00

README.rst 

Bootloader Support Component
============================

Overview
--------

"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.)