Struct Efuse

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pub struct Efuse;

Available on crate feature unstable only.

Expand description

A struct representing the eFuse functionality of the chip.

§Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Implementations§

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impl Efuse

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pub fn flash_encryption() -> bool

Get status of SPI boot encryption.

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pub fn rwdt_multiplier() -> u8

Get the multiplier for the timeout value of the RWDT STAGE 0 register.

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pub fn block_version() -> (u8, u8)

Get efuse block version

see https://github.com/espressif/esp-idf/blob/dc016f5987/components/hal/efuse_hal.c#L27-L30

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pub fn rtc_calib_version() -> u8

Get version of RTC calibration block

see https://github.com/espressif/esp-idf/blob/903af13e8/components/efuse/esp32c6/esp_efuse_rtc_calib.c#L20

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pub fn rtc_calib_init_code( _unit: AdcCalibUnit, atten: Attenuation, ) -> Option<u16>

Get ADC initial code for specified attenuation from efuse

see https://github.com/espressif/esp-idf/blob/903af13e8/components/efuse/esp32c6/esp_efuse_rtc_calib.c#L32

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pub fn rtc_calib_cal_mv(_unit: AdcCalibUnit, atten: Attenuation) -> u16

Get ADC reference point voltage for specified attenuation in millivolts

see https://github.com/espressif/esp-idf/blob/903af13e8/components/efuse/esp32c6/esp_efuse_rtc_calib.c#L42

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pub fn rtc_calib_cal_code( _unit: AdcCalibUnit, atten: Attenuation, ) -> Option<u16>

Get ADC reference point digital code for specified attenuation

see https://github.com/espressif/esp-idf/blob/903af13e8/components/efuse/esp32c6/esp_efuse_rtc_calib.c#L42

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pub fn major_chip_version() -> u8

Returns the major hardware revision

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pub fn minor_chip_version() -> u8

Returns the minor hardware revision

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impl Efuse

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pub fn read_base_mac_address() -> [u8; 6]

Reads chip’s MAC address from the eFuse storage.

§Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Source

pub fn read_field_le<T: AnyBitPattern>(field: EfuseField) -> T

Read field value in a little-endian order

§Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Source

pub fn read_bit(field: EfuseField) -> bool

Read bit value.

This function panics if the field’s bit length is not equal to 1.

§Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Source

pub fn set_mac_address(mac: [u8; 6]) -> Result<(), SetMacError>

Set the base mac address

The new value will be returned by read_mac_address instead of the one hard-coded in eFuse. This does not persist across device resets.

Can only be called once. Returns Err(SetMacError::AlreadySet) otherwise.

§Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Source

pub fn mac_address() -> [u8; 6]

Get base mac address

By default this reads the base mac address from eFuse, but it can be overridden by set_mac_address.

§Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Source