8000 esp32/boards: Use auto xtal freq config instead of default 40MHz. · micropython/micropython@f431795 · GitHub
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dpgeorgedpgeorge
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esp32/boards: Use auto xtal freq config instead of default 40MHz.
Auto-detection of the crystal frequency is convenient and allows for a single binary for many different boards. But it can be unreliable in certain situations so in production, for a given board, it's recommended to configure the correct fixed frequency.
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‎ports/esp32/boards/sdkconfig

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@@ -13,6 +13,7 @@ CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
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# ESP32-specific
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CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
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CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
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CONFIG_ESP32_XTAL_FREQ_AUTO=y
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# FreeRTOS
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CONFIG_FREERTOS_UNICORE=y

‎ports/esp32/boards/sdkconfig.spiram

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@@ -14,6 +14,7 @@ CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
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CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
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CONFIG_SPIRAM_SUPPORT=y
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CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
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CONFIG_ESP32_XTAL_FREQ_AUTO=y
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# FreeRTOS
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CONFIG_FREERTOS_UNICORE=y

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