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Merge a8b4627705 into 46acfdce96

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Dave Legg 2024-09-22 20:47:42 +01:00 committed by GitHub
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10
components/esp_hw_support/port/esp32s3/Kconfig.rtc
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@ -37,3 +37,13 @@ config RTC_CLK_CAL_CYCLES
- 32768 Hz if the 32k crystal oscillator is used. For this use value 3000 or more. - 32768 Hz if the 32k crystal oscillator is used. For this use value 3000 or more.
In case more value will help improve the definition of the launch of the crystal. In case more value will help improve the definition of the launch of the crystal.
If the crystal could not start, it will be switched to internal RC. If the crystal could not start, it will be switched to internal RC.
config RTC_XTAL_CAL_RETRY
int "Number of attempts to repeat 32k XTAL calibration"
default 3
depends on RTC_CLK_SRC_EXT_CRYS
help
Number of attempts to repeat 32k XTAL calibration
before giving up and switching to the internal RC.
Increase this option if the 32k crystal oscillator
does not start and switches to internal RC.

4
components/esp_system/port/soc/esp32s3/clk.c
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@ -35,7 +35,11 @@ static const char *TAG = "clk";
*/ */
#define SLOW_CLK_CAL_CYCLES CONFIG_RTC_CLK_CAL_CYCLES #define SLOW_CLK_CAL_CYCLES CONFIG_RTC_CLK_CAL_CYCLES
#ifdef CONFIG_RTC_XTAL_CAL_RETRY
#define RTC_XTAL_CAL_RETRY CONFIG_RTC_XTAL_CAL_RETRY
#else
#define RTC_XTAL_CAL_RETRY 1 #define RTC_XTAL_CAL_RETRY 1
#endif
/* Indicates that this 32k oscillator gets input from external oscillator, rather /* Indicates that this 32k oscillator gets input from external oscillator, rather
* than a crystal. * than a crystal.