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@@ -9,60 +9,10 @@ menu "ESP32-specific"
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default y
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depends on !FREERTOS_UNICORE && ESP32_SPIRAM_SUPPORT
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- choice ESP32_REV_MIN
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- prompt "Minimum Supported ESP32 Revision"
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- default ESP32_REV_MIN_0
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- help
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- Minimum revision that ESP-IDF would support.
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- ESP-IDF performs different strategy on different esp32 revision.
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-
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- config ESP32_REV_MIN_0
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- bool "Rev 0"
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- config ESP32_REV_MIN_1
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- bool "Rev 1"
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- config ESP32_REV_MIN_2
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- bool "Rev 2"
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- config ESP32_REV_MIN_3
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- bool "Rev 3"
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- select ESP_INT_WDT if ESP32_ECO3_CACHE_LOCK_FIX
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- endchoice
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-
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- config ESP32_REV_MIN
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- int
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- default 0 if ESP32_REV_MIN_0
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- default 1 if ESP32_REV_MIN_1
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- default 2 if ESP32_REV_MIN_2
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- default 3 if ESP32_REV_MIN_3
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-
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config ESP32_DPORT_WORKAROUND
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bool
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default "y" if !FREERTOS_UNICORE && ESP32_REV_MIN < 2
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- choice ESP32_DEFAULT_CPU_FREQ_MHZ
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- prompt "CPU frequency"
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- default ESP32_DEFAULT_CPU_FREQ_40 if IDF_ENV_FPGA
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- default ESP32_DEFAULT_CPU_FREQ_160
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- help
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- CPU frequency to be set on application startup.
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-
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- config ESP32_DEFAULT_CPU_FREQ_40
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- bool "40 MHz"
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- depends on IDF_ENV_FPGA
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- config ESP32_DEFAULT_CPU_FREQ_80
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- bool "80 MHz"
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- config ESP32_DEFAULT_CPU_FREQ_160
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- bool "160 MHz"
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- config ESP32_DEFAULT_CPU_FREQ_240
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- bool "240 MHz"
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- endchoice
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-
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- config ESP32_DEFAULT_CPU_FREQ_MHZ
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- int
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- default 40 if ESP32_DEFAULT_CPU_FREQ_40
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- default 80 if ESP32_DEFAULT_CPU_FREQ_80
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- default 160 if ESP32_DEFAULT_CPU_FREQ_160
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- default 240 if ESP32_DEFAULT_CPU_FREQ_240
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-
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# Note: to support SPIRAM across multiple chips, check CONFIG_SPIRAM
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# instead
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config ESP32_SPIRAM_SUPPORT
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@@ -500,140 +450,6 @@ menu "ESP32-specific"
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default 0x4000 if ESP32_MEMMAP_TRACEMEM && !ESP32_MEMMAP_TRACEMEM_TWOBANKS
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default 0x0
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- choice ESP32_TIME_SYSCALL
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- prompt "Timers used for gettimeofday function"
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- default ESP32_TIME_SYSCALL_USE_RTC_HRT
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- help
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- This setting defines which hardware timers are used to
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- implement 'gettimeofday' and 'time' functions in C library.
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-
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- - If both high-resolution and RTC timers are used, timekeeping will
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- continue in deep sleep. Time will be reported at 1 microsecond
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- resolution. This is the default, and the recommended option.
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- - If only high-resolution timer is used, gettimeofday will
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- provide time at microsecond resolution.
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- Time will not be preserved when going into deep sleep mode.
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- - If only RTC timer is used, timekeeping will continue in
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- deep sleep, but time will be measured at 6.(6) microsecond
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- resolution. Also the gettimeofday function itself may take
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- longer to run.
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- - If no timers are used, gettimeofday and time functions
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- return -1 and set errno to ENOSYS.
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- - When RTC is used for timekeeping, two RTC_STORE registers are
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- used to keep time in deep sleep mode.
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-
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- config ESP32_TIME_SYSCALL_USE_RTC_HRT
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- bool "RTC and high-resolution timer"
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- select ESP_TIME_FUNCS_USE_RTC_TIMER
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- select ESP_TIME_FUNCS_USE_ESP_TIMER
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- config ESP32_TIME_SYSCALL_USE_RTC
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- bool "RTC"
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- select ESP_TIME_FUNCS_USE_RTC_TIMER
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- config ESP32_TIME_SYSCALL_USE_HRT
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- bool "High-resolution timer"
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- select ESP_TIME_FUNCS_USE_ESP_TIMER
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- config ESP32_TIME_SYSCALL_USE_NONE
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- bool "None"
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- select ESP_TIME_FUNCS_USE_NONE
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- endchoice
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-
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- choice ESP32_RTC_CLK_SRC
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- prompt "RTC clock source"
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- default ESP32_RTC_CLK_SRC_INT_RC
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- help
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- Choose which clock is used as RTC clock source.
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-
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- - "Internal 150kHz oscillator" option provides lowest deep sleep current
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- consumption, and does not require extra external components. However
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- frequency stability with respect to temperature is poor, so time may
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- drift in deep/light sleep modes.
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- - "External 32kHz crystal" provides better frequency stability, at the
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- expense of slightly higher (1uA) deep sleep current consumption.
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- - "External 32kHz oscillator" allows using 32kHz clock generated by an
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- external circuit. In this case, external clock signal must be connected
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- to 32K_XN pin. Amplitude should be <1.2V in case of sine wave signal,
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- and <1V in case of square wave signal. Common mode voltage should be
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- 0.1 < Vcm < 0.5Vamp, where Vamp is the signal amplitude.
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- Additionally, 1nF capacitor must be connected between 32K_XP pin and
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- ground. 32K_XP pin can not be used as a GPIO in this case.
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- - "Internal 8.5MHz oscillator divided by 256" option results in higher
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- deep sleep current (by 5uA) but has better frequency stability than
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- the internal 150kHz oscillator. It does not require external components.
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-
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- config ESP32_RTC_CLK_SRC_INT_RC
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- bool "Internal 150kHz RC oscillator"
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- config ESP32_RTC_CLK_SRC_EXT_CRYS
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- bool "External 32kHz crystal"
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- select ESP_SYSTEM_RTC_EXT_XTAL
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- config ESP32_RTC_CLK_SRC_EXT_OSC
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- bool "External 32kHz oscillator at 32K_XN pin"
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- select ESP_SYSTEM_RTC_EXT_OSC
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- config ESP32_RTC_CLK_SRC_INT_8MD256
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- bool "Internal 8.5MHz oscillator, divided by 256 (~33kHz)"
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- endchoice
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-
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- choice ESP32_RTC_EXT_CRYST_ADDIT_CURRENT_METHOD
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- prompt "Additional current for external 32kHz crystal"
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- depends on ESP32_RTC_CLK_SRC_EXT_CRYS
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- depends on ESP32_REV_MIN <= 1
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- default ESP32_RTC_EXT_CRYST_ADDIT_CURRENT_NONE
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- help
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- With some 32kHz crystal configurations, the X32N and X32P pins may not have enough
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- drive strength to keep the crystal oscillating. Choose the method to provide
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- additional current from touchpad 9 to the external 32kHz crystal. Note that
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- the deep sleep current is slightly high (4-5uA) and the touchpad and the
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- wakeup sources of both touchpad and ULP are not available in method 1 and method 2.
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-
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- This problem is fixed in ESP32 ECO 3, so this workaround is not needed. Setting the
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- project configuration to minimum revision ECO3 will disable this option, , allow
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- all wakeup sources, and save some code size.
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-
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- - "None" option will not provide additional current to external crystal
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- - "Method 1" option can't ensure 100% to solve the external 32k crystal start failed
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- issue, but the touchpad can work in this method.
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- - "Method 2" option can solve the external 32k issue, but the touchpad can't work
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- in this method.
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-
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- config ESP32_RTC_EXT_CRYST_ADDIT_CURRENT_NONE
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- bool "None"
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- config ESP32_RTC_EXT_CRYST_ADDIT_CURRENT
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- bool "Method 1"
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- config ESP32_RTC_EXT_CRYST_ADDIT_CURRENT_V2
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- bool "Method 2"
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- endchoice
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-
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- config ESP32_RTC_CLK_CAL_CYCLES
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- int "Number of cycles for RTC_SLOW_CLK calibration"
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- default 3000 if ESP32_RTC_CLK_SRC_EXT_CRYS || ESP32_RTC_CLK_SRC_EXT_OSC || ESP32_RTC_CLK_SRC_INT_8MD256
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- default 1024 if ESP32_RTC_CLK_SRC_INT_RC
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- range 0 27000 if ESP32_RTC_CLK_SRC_EXT_CRYS || ESP32_RTC_CLK_SRC_EXT_OSC || ESP32_RTC_CLK_SRC_INT_8MD256
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- range 0 32766 if ESP32_RTC_CLK_SRC_INT_RC
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- help
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- When the startup code initializes RTC_SLOW_CLK, it can perform
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- calibration by comparing the RTC_SLOW_CLK frequency with main XTAL
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- frequency. This option sets the number of RTC_SLOW_CLK cycles measured
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- by the calibration routine. Higher numbers increase calibration
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- precision, which may be important for applications which spend a lot of
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- time in deep sleep. Lower numbers reduce startup time.
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-
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- When this option is set to 0, clock calibration will not be performed at
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- startup, and approximate clock frequencies will be assumed:
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-
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- - 150000 Hz if internal RC oscillator is used as clock source. For this use value 1024.
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- - 32768 Hz if the 32k crystal oscillator is used. For this use value 3000 or more.
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- In case more value will help improve the definition of the launch of the crystal.
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- If the crystal could not start, it will be switched to internal RC.
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-
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- config ESP32_RTC_XTAL_CAL_RETRY
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- int "Number of attempts to repeat 32k XTAL calibration"
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- default 1
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- depends on ESP32_RTC_CLK_SRC_EXT_CRYS
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- help
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- Number of attempts to repeat 32k XTAL calibration
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- before giving up and switching to the internal RC.
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- Increase this option if the 32k crystal oscillator
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- does not start and switches to internal RC.
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-
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config ESP32_DEEP_SLEEP_WAKEUP_DELAY
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int "Extra delay in deep sleep wake stub (in us)"
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default 2000
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@@ -694,14 +510,6 @@ menu "ESP32-specific"
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(Enabling secure boot also disables the BASIC ROM Console by default.)
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- config ESP32_NO_BLOBS
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- bool "No Binary Blobs"
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- depends on !BT_ENABLED
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- default n
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- help
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- If enabled, this disables the linking of binary libraries in the application build. Note
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- that after enabling this Wi-Fi/Bluetooth will not work.
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-
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config ESP32_COMPATIBLE_PRE_V2_1_BOOTLOADERS
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bool "App compatible with bootloaders before ESP-IDF v2.1"
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select ESP32_COMPATIBLE_PRE_V3_1_BOOTLOADERS
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