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esp32c3: added target component
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morris
219
components/esp32c3/Kconfig
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219
components/esp32c3/Kconfig
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menu "ESP32C3-Specific"
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visible if IDF_TARGET_ESP32C3
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choice ESP32C3_DEFAULT_CPU_FREQ_MHZ
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prompt "CPU frequency"
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default ESP32C3_DEFAULT_CPU_FREQ_40 if IDF_ENV_FPGA
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default ESP32C3_DEFAULT_CPU_FREQ_160 if !IDF_ENV_FPGA
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help
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CPU frequency to be set on application startup.
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config ESP32C3_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 ESP32C3_DEFAULT_CPU_FREQ_80
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bool "80 MHz"
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config ESP32C3_DEFAULT_CPU_FREQ_160
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bool "160 MHz"
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endchoice
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config ESP32C3_DEFAULT_CPU_FREQ_MHZ
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int
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default 40 if ESP32C3_DEFAULT_CPU_FREQ_40
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default 80 if ESP32C3_DEFAULT_CPU_FREQ_80
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default 160 if ESP32C3_DEFAULT_CPU_FREQ_160
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choice ESP32C3_UNIVERSAL_MAC_ADDRESSES
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bool "Number of universally administered (by IEEE) MAC address"
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default ESP32C3_UNIVERSAL_MAC_ADDRESSES_TWO
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help
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Configure the number of universally administered (by IEEE) MAC addresses.
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During initialization, MAC addresses for each network interface are generated or derived from a
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single base MAC address.
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If the number of universal MAC addresses is Two, all interfaces (WiFi station, WiFi softap) receive a
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universally administered MAC address. They are generated sequentially by adding 0, and 1 (respectively)
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to the final octet of the base MAC address. If the number of universal MAC addresses is one,
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only WiFi station receives a universally administered MAC address.
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It's generated by adding 0 to the base MAC address.
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The WiFi softap receives local MAC addresses. It's derived from the universal WiFi station MAC addresses.
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When using the default (Espressif-assigned) base MAC address, either setting can be used. When using
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a custom universal MAC address range, the correct setting will depend on the allocation of MAC
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addresses in this range (either 1 or 2 per device.)
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config ESP32C3_UNIVERSAL_MAC_ADDRESSES_TWO
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bool "Two"
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select ESP_MAC_ADDR_UNIVERSE_WIFI_STA
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select ESP_MAC_ADDR_UNIVERSE_BT
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config ESP32C3_UNIVERSAL_MAC_ADDRESSES_THREE
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bool "Three"
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select ESP_MAC_ADDR_UNIVERSE_WIFI_STA
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select ESP_MAC_ADDR_UNIVERSE_WIFI_AP
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select ESP_MAC_ADDR_UNIVERSE_BT
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endchoice
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config ESP32C3_UNIVERSAL_MAC_ADDRESSES
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int
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default 2 if ESP32C3_UNIVERSAL_MAC_ADDRESSES_TWO
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default 3 if ESP32C3_UNIVERSAL_MAC_ADDRESSES_THREE
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config ESP_MAC_ADDR_UNIVERSE_BT_OFFSET
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int
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default 2 if ESP32C3_UNIVERSAL_MAC_ADDRESSES_THREE
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default 1 if ESP32C3_UNIVERSAL_MAC_ADDRESSES_TWO
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config ESP32C3_DEBUG_OCDAWARE
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bool "Make exception and panic handlers JTAG/OCD aware"
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default y
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select FREERTOS_DEBUG_OCDAWARE
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help
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The FreeRTOS panic and unhandled exception handers can detect a JTAG OCD debugger and
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instead of panicking, have the debugger stop on the offending instruction.
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config ESP32C3_DEBUG_STUBS_ENABLE
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bool "OpenOCD debug stubs"
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default COMPILER_OPTIMIZATION_LEVEL_DEBUG
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depends on !ESP32C3_TRAX
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help
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Debug stubs are used by OpenOCD to execute pre-compiled onboard code which does some useful debugging,
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e.g. GCOV data dump.
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config ESP32C3_BROWNOUT_DET
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# TODO ESP32-C3 IDF-2397
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bool
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default n
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help
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The ESP32-S3 has a built-in brownout detector which can detect if the voltage is lower than
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a specific value. If this happens, it will reset the chip in order to prevent unintended
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behaviour.
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choice ESP32C3_BROWNOUT_DET_LVL_SEL
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prompt "Brownout voltage level"
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depends on ESP32C3_BROWNOUT_DET
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default ESP32C3_BROWNOUT_DET_LVL_SEL_7
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help
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The brownout detector will reset the chip when the supply voltage is approximately
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below this level. Note that there may be some variation of brownout voltage level
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between each ESP3-S3 chip.
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#The voltage levels here are estimates, more work needs to be done to figure out the exact voltages
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#of the brownout threshold levels.
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config ESP32C3_BROWNOUT_DET_LVL_SEL_7
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bool "2.44V"
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config ESP32C3_BROWNOUT_DET_LVL_SEL_6
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bool "2.56V"
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config ESP32C3_BROWNOUT_DET_LVL_SEL_5
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bool "2.67V"
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config ESP32C3_BROWNOUT_DET_LVL_SEL_4
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bool "2.84V"
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config ESP32C3_BROWNOUT_DET_LVL_SEL_3
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bool "2.98V"
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config ESP32C3_BROWNOUT_DET_LVL_SEL_2
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bool "3.19V"
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config ESP32C3_BROWNOUT_DET_LVL_SEL_1
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bool "3.30V"
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endchoice
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config ESP32C3_BROWNOUT_DET_LVL
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int
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default 1 if ESP32C3_BROWNOUT_DET_LVL_SEL_1
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default 2 if ESP32C3_BROWNOUT_DET_LVL_SEL_2
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default 3 if ESP32C3_BROWNOUT_DET_LVL_SEL_3
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default 4 if ESP32C3_BROWNOUT_DET_LVL_SEL_4
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default 5 if ESP32C3_BROWNOUT_DET_LVL_SEL_5
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default 6 if ESP32C3_BROWNOUT_DET_LVL_SEL_6
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default 7 if ESP32C3_BROWNOUT_DET_LVL_SEL_7
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choice ESP32C3_TIME_SYSCALL
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prompt "Timers used for gettimeofday function"
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default ESP32C3_TIME_SYSCALL_USE_RTC_SYSTIMER
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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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- If both high-resolution (systimer) 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 (systimer) 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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config ESP32C3_TIME_SYSCALL_USE_RTC_SYSTIMER
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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 ESP32C3_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 ESP32C3_TIME_SYSCALL_USE_SYSTIMER
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bool "High-resolution timer"
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select ESP_TIME_FUNCS_USE_ESP_TIMER
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config ESP32C3_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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choice ESP32C3_RTC_CLK_SRC
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prompt "RTC clock source"
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default ESP32C3_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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config ESP32C3_RTC_CLK_SRC_INT_RC
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bool "Internal 150kHz RC oscillator"
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config ESP32C3_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 ESP32C3_RTC_CLK_SRC_EXT_OSC
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bool "External 32kHz oscillator at 32K_XP pin"
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config ESP32C3_RTC_CLK_SRC_INT_8MD256
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bool "Internal 8MHz oscillator, divided by 256 (~32kHz)"
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endchoice
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config ESP32C3_RTC_CLK_CAL_CYCLES
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int "Number of cycles for RTC_SLOW_CLK calibration"
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default 3000 if ESP32C3_RTC_CLK_SRC_EXT_CRYS || ESP32C3_RTC_CLK_SRC_EXT_OSC || ESP32C3_RTC_CLK_SRC_INT_8MD256
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default 1024 if ESP32C3_RTC_CLK_SRC_INT_RC
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range 0 125000
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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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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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- 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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config ESP32C3_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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config ESP32C3_ALLOW_RTC_FAST_MEM_AS_HEAP
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bool "Enable RTC fast memory for dynamic allocations"
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depends on !ESP32C3_MEMPROT_FEATURE
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default y
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help
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This config option allows to add RTC fast memory region to system heap with capability
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similar to that of DRAM region but without DMA. This memory will be consumed first per
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heap initialization order by early startup services and scheduler related code. Speed
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wise RTC fast memory operates on APB clock and hence does not have much performance impact.
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endmenu # ESP32C3-Specific
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