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Merge branch 'bugfix/RTC_CLK_CAL_CYCLES' into 'master'

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esp32xx: Fix the Number of cycles for RTC_SLOW_CLK calibration

See merge request espressif/esp-idf!13202
This commit is contained in:
Angus Gratton
2021-04-23 04:55:28 +00:00
parent dc37ac812a 8e1256ca88
commit 64a96ca96d
2 changed files with 6 additions and 4 deletions
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5
components/esp32c3/Kconfig
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@@ -163,8 +163,9 @@ menu "ESP32C3-Specific"
config ESP32C3_RTC_CLK_CAL_CYCLES
int "Number of cycles for RTC_SLOW_CLK calibration"
default 3000 if ESP32C3_RTC_CLK_SRC_EXT_CRYS || ESP32C3_RTC_CLK_SRC_EXT_OSC || ESP32C3_RTC_CLK_SRC_INT_8MD256
default 576 if ESP32C3_RTC_CLK_SRC_INT_RC
range 0 125000
default 1024 if ESP32C3_RTC_CLK_SRC_INT_RC
range 0 27000 if ESP32C3_RTC_CLK_SRC_EXT_CRYS || ESP32C3_RTC_CLK_SRC_EXT_OSC || ESP32C3_RTC_CLK_SRC_INT_8MD256
range 0 32766 if ESP32C3_RTC_CLK_SRC_INT_RC
help
When the startup code initializes RTC_SLOW_CLK, it can perform
calibration by comparing the RTC_SLOW_CLK frequency with main XTAL