esp-idf/components/efuse/Kconfig

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menu "eFuse Bit Manager"
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config EFUSE_CUSTOM_TABLE
bool "Use custom eFuse table"
default n
help
Allows to generate a structure for eFuse from the CSV file.
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config EFUSE_CUSTOM_TABLE_FILENAME
string "Custom eFuse CSV file"
depends on EFUSE_CUSTOM_TABLE
default "main/esp_efuse_custom_table.csv"
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help
Name of the custom eFuse CSV filename. This path is evaluated
relative to the project root directory.
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config EFUSE_VIRTUAL
bool "Simulate eFuse operations in RAM"
default n
help
If "n" - No virtual mode. All eFuse operations are real and use eFuse registers.
If "y" - The virtual mode is enabled and all eFuse operations (read and write) are redirected
to RAM instead of eFuse registers, all permanent changes (via eFuse) are disabled.
Log output will state changes that would be applied, but they will not be.
During startup, the eFuses are copied into RAM. This mode is useful for fast tests.
config EFUSE_VIRTUAL_KEEP_IN_FLASH
bool "Keep eFuses in flash"
depends on EFUSE_VIRTUAL
help
In addition to the "Simulate eFuse operations in RAM" option, this option just adds
a feature to keep eFuses after reboots in flash memory. To use this mode the partition_table
should have the `efuse` partition. partition.csv: "efuse_em, data, efuse, , 0x2000,"
During startup, the eFuses are copied from flash or,
in case if flash is empty, from real eFuse to RAM and then update flash.
This mode is useful when need to keep changes after reboot
(testing secure_boot and flash_encryption).
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choice EFUSE_CODE_SCHEME_SELECTOR
prompt "Coding Scheme Compatibility"
default EFUSE_CODE_SCHEME_COMPAT_3_4
depends on IDF_TARGET_ESP32
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help
Selector eFuse code scheme.
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config EFUSE_CODE_SCHEME_COMPAT_NONE
bool "None Only"
config EFUSE_CODE_SCHEME_COMPAT_3_4
bool "3/4 and None"
config EFUSE_CODE_SCHEME_COMPAT_REPEAT
bool "Repeat, 3/4 and None (common table does not support it)"
endchoice
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config EFUSE_MAX_BLK_LEN
int
default 256 if EFUSE_CODE_SCHEME_COMPAT_NONE
default 192 if EFUSE_CODE_SCHEME_COMPAT_3_4
default 128 if EFUSE_CODE_SCHEME_COMPAT_REPEAT
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default 256 if !IDF_TARGET_ESP32
endmenu