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@@ -349,5 +349,19 @@ config ESP32_TIME_SYSCALL_USE_NONE
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bool "None"
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endchoice
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+choice ESP32_RTC_CLOCK_SOURCE
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+ prompt "RTC clock source"
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+ default ESP32_RTC_CLOCK_SOURCE_INTERNAL_RC
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+ help
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+ Choose which clock is used as RTC clock source.
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+ The only available option for now is to use internal
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+ 150kHz RC oscillator.
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+
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+config ESP32_RTC_CLOCK_SOURCE_INTERNAL_RC
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+ bool "Internal RC"
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+config ESP32_RTC_CLOCK_SOURCE_EXTERNAL_CRYSTAL
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+ bool "External 32kHz crystal"
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+ depends on DOCUMENTATION_FOR_RTC_CNTL
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+endchoice
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endmenu
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Ivan Grokhotkov