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esp32: add choice for RTC clock source

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For now only one option is supported: internal RC oscillator
This commit is contained in:
Ivan Grokhotkov 2016-11-03 14:49:05 +08:00
parent eb2c633cbf
commit 299655e3be
1 changed files with 14 additions and 0 deletions
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14
components/esp32/Kconfig
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@ -349,5 +349,19 @@ config ESP32_TIME_SYSCALL_USE_NONE
bool "None"
endchoice
choice ESP32_RTC_CLOCK_SOURCE
prompt "RTC clock source"
default ESP32_RTC_CLOCK_SOURCE_INTERNAL_RC
help
Choose which clock is used as RTC clock source.
The only available option for now is to use internal
150kHz RC oscillator.
config ESP32_RTC_CLOCK_SOURCE_INTERNAL_RC
bool "Internal RC"
config ESP32_RTC_CLOCK_SOURCE_EXTERNAL_CRYSTAL
bool "External 32kHz crystal"
depends on DOCUMENTATION_FOR_RTC_CNTL
endchoice
endmenu