esp-idf/components/esp_adc/Kconfig

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menu "ADC and ADC Calibration"
config ADC_ONESHOT_CTRL_FUNC_IN_IRAM
bool "Place ISR version ADC oneshot mode read function into IRAM"
default n
help
Place ISR version ADC oneshot mode read function into IRAM.
config ADC_CONTINUOUS_ISR_IRAM_SAFE
depends on SOC_ADC_DMA_SUPPORTED
bool "ADC continuous mode driver ISR IRAM-Safe"
default n
select GDMA_ISR_IRAM_SAFE if SOC_ADC_DMA_SUPPORTED && SOC_GDMA_SUPPORTED
help
Ensure the ADC continuous mode ISR is IRAM-Safe. When enabled, the ISR handler
will be available when the cache is disabled.
menu "ADC Calibration Configurations"
depends on IDF_TARGET_ESP32
config ADC_CALI_EFUSE_TP_ENABLE
bool "Use Two Point Values"
default "y"
help
Some ESP32s have Two Point calibration values burned into eFuse BLOCK3.
This option will allow the ADC calibration component to characterize the
ADC-Voltage curve using Two Point values if they are available.
config ADC_CALI_EFUSE_VREF_ENABLE
bool "Use eFuse Vref"
default "y"
help
Some ESP32s have Vref burned into eFuse BLOCK0. This option will allow
the ADC calibration component to characterize the ADC-Voltage curve using
eFuse Vref if it is available.
config ADC_CALI_LUT_ENABLE
bool "Use Lookup Tables"
default "y"
help
This option will allow the ADC calibration component to use Lookup Tables
to correct for non-linear behavior in 11db attenuation. Other attenuations
do not exhibit non-linear behavior hence will not be affected by this option.
endmenu
endmenu