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esp-idf/components/driver/Kconfig

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menu "Driver Configurations"
menu "Legacy ADC Configuration"
config ADC_DISABLE_DAC
depends on SOC_DAC_SUPPORTED
bool "Disable DAC when ADC2 is used on GPIO 25 and 26"
default y
help
If this is set, the ADC2 driver will disable the output of the DAC corresponding to the specified
channel. This is the default value.
For testing, disable this option so that we can measure the output of DAC by internal ADC.
config ADC_SUPPRESS_DEPRECATE_WARN
bool "Suppress legacy driver deprecated warning"
default n
help
Wether to suppress the deprecation warnings when using legacy adc driver (driver/adc.h).
If you want to continue using the legacy driver, and don't want to see related deprecation warnings,
you can enable this option.
menu "Legacy ADC Calibration Configuration"
config ADC_CAL_EFUSE_TP_ENABLE
depends on IDF_TARGET_ESP32
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_CAL_EFUSE_VREF_ENABLE
depends on IDF_TARGET_ESP32
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_CAL_LUT_ENABLE
depends on IDF_TARGET_ESP32
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.
config ADC_CALI_SUPPRESS_DEPRECATE_WARN
bool "Suppress legacy driver deprecated warning"
default n
help
Wether to suppress the deprecation warnings when using legacy adc calibration
driver (esp_adc_cal.h).
If you want to continue using the legacy driver, and don't want to see related
deprecation warnings, you can enable this option.
endmenu
endmenu # ADC Configuration
menu "SPI Configuration"
config SPI_MASTER_IN_IRAM
bool "Place transmitting functions of SPI master into IRAM"
default n
depends on !FREERTOS_PLACE_FUNCTIONS_INTO_FLASH
select SPI_MASTER_ISR_IN_IRAM
help
Normally only the ISR of SPI master is placed in the IRAM, so that it
can work without the flash when interrupt is triggered.
For other functions, there's some possibility that the flash cache
miss when running inside and out of SPI functions, which may increase
the interval of SPI transactions.
Enable this to put ``queue_trans``, ``get_trans_result`` and
``transmit`` functions into the IRAM to avoid possible cache miss.
This configuration won't be available if `CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH` is enabled.
During unit test, this is enabled to measure the ideal case of api.
config SPI_MASTER_ISR_IN_IRAM
bool "Place SPI master ISR function into IRAM"
default y
depends on !HEAP_PLACE_FUNCTION_INTO_FLASH
select PERIPH_CTRL_FUNC_IN_IRAM
select HAL_SPI_MASTER_FUNC_IN_IRAM
help
Place the SPI master ISR in to IRAM to avoid possible cache miss.
Enabling this configuration is possible only when HEAP_PLACE_FUNCTION_INTO_FLASH
is disabled since the spi master uses can allocate transactions buffers into DMA
memory section using the heap component API that ipso facto has to be placed in IRAM.
Also you can forbid the ISR being disabled during flash writing
access, by add ESP_INTR_FLAG_IRAM when initializing the driver.
config SPI_SLAVE_IN_IRAM
bool "Place transmitting functions of SPI slave into IRAM"
default n
select SPI_SLAVE_ISR_IN_IRAM
help
Normally only the ISR of SPI slave is placed in the IRAM, so that it
can work without the flash when interrupt is triggered.
For other functions, there's some possibility that the flash cache
miss when running inside and out of SPI functions, which may increase
the interval of SPI transactions.
Enable this to put ``queue_trans``, ``get_trans_result`` and
``transmit`` functions into the IRAM to avoid possible cache miss.
config SPI_SLAVE_ISR_IN_IRAM
bool "Place SPI slave ISR function into IRAM"
default y
select PERIPH_CTRL_FUNC_IN_IRAM
select HAL_SPI_SLAVE_FUNC_IN_IRAM
help
Place the SPI slave ISR in to IRAM to avoid possible cache miss.
Also you can forbid the ISR being disabled during flash writing
access, by add ESP_INTR_FLAG_IRAM when initializing the driver.
endmenu # SPI Configuration
orsource "./twai/Kconfig.twai"
menu "Temperature sensor Configuration"
depends on SOC_TEMP_SENSOR_SUPPORTED
config TEMP_SENSOR_SUPPRESS_DEPRECATE_WARN
bool "Suppress legacy driver deprecated warning"
default n
help
Wether to suppress the deprecation warnings when using legacy temperature sensor driver
(driver/temp_sensor.h). If you want to continue using the legacy driver,
and don't want to see related deprecation warnings, you can enable this option.
config TEMP_SENSOR_ENABLE_DEBUG_LOG
bool "Enable debug log"
default n
help
Wether to enable the debug log message for temperature sensor driver.
Note that, this option only controls the temperature sensor driver log, won't affect other drivers.
config TEMP_SENSOR_ISR_IRAM_SAFE
depends on SOC_TEMPERATURE_SENSOR_INTR_SUPPORT
bool "Temperature sensor ISR IRAM-Safe"
default n
help
Ensure the Temperature Sensor interrupt is IRAM-Safe by allowing the interrupt handler to be
executable when the cache is disabled (e.g. SPI Flash write).
endmenu # TEMP_SENSOR Configuration
orsource "./uart/Kconfig.uart"
menu "GPIO Configuration"
config GPIO_ESP32_SUPPORT_SWITCH_SLP_PULL
bool "Support light sleep GPIO pullup/pulldown configuration for ESP32"
depends on IDF_TARGET_ESP32
help
This option is intended to fix the bug that ESP32 is not able to switch to configured
pullup/pulldown mode in sleep.
If this option is selected, chip will automatically emulate the behaviour of switching,
and about 450B of source codes would be placed into IRAM.
config GPIO_CTRL_FUNC_IN_IRAM
bool "Place GPIO control functions into IRAM"
default n
help
Place GPIO control functions (like intr_disable/set_level) into IRAM,
so that these functions can be IRAM-safe and able to be called in the other IRAM interrupt context.
endmenu # GPIO Configuration
menu "Sigma Delta Modulator Configuration"
depends on SOC_SDM_SUPPORTED
config SDM_CTRL_FUNC_IN_IRAM
bool "Place SDM control functions into IRAM"
default n
help
Place SDM control functions (like set_duty) into IRAM,
so that these functions can be IRAM-safe and able to be called in the other IRAM interrupt context.
Enabling this option can improve driver performance as well.
config SDM_SUPPRESS_DEPRECATE_WARN
bool "Suppress legacy driver deprecated warning"
default n
help
Wether to suppress the deprecation warnings when using legacy sigma delta driver.
If you want to continue using the legacy driver, and don't want to see related deprecation warnings,
you can enable this option.
config SDM_ENABLE_DEBUG_LOG
bool "Enable debug log"
default n
help
Wether to enable the debug log message for SDM driver.
Note that, this option only controls the SDM driver log, won't affect other drivers.
endmenu # Sigma Delta Modulator Configuration
menu "Analog Comparator Configuration"
depends on SOC_ANA_CMPR_SUPPORTED
config ANA_CMPR_ISR_IRAM_SAFE
bool "Analog comparator ISR IRAM-Safe"
default n
help
Ensure the Analog Comparator interrupt is IRAM-Safe by allowing the interrupt handler to be
executable when the cache is disabled (e.g. SPI Flash write).
config ANA_CMPR_CTRL_FUNC_IN_IRAM
bool "Place Analog Comparator control functions into IRAM"
default n
help
Place Analog Comparator control functions (like ana_cmpr_set_internal_reference) into IRAM,
so that these functions can be IRAM-safe and able to be called in an IRAM interrupt context.
Enabling this option can improve driver performance as well.
config ANA_CMPR_ENABLE_DEBUG_LOG
bool "Enable debug log"
default n
help
Wether to enable the debug log message for Analog Comparator driver.
Note that, this option only controls the Analog Comparator driver log, won't affect other drivers.
endmenu # Analog Comparator Configuration
orsource "./gptimer/Kconfig.gptimer"
orsource "./pcnt/Kconfig.pcnt"
orsource "./rmt/Kconfig.rmt"
orsource "./mcpwm/Kconfig.mcpwm"
menu "I2S Configuration"
depends on SOC_I2S_SUPPORTED
config I2S_ISR_IRAM_SAFE
bool "I2S ISR IRAM-Safe"
default n
help
Ensure the I2S interrupt is IRAM-Safe by allowing the interrupt handler to be
executable when the cache is disabled (e.g. SPI Flash write).
config I2S_SUPPRESS_DEPRECATE_WARN
bool "Suppress leagcy driver deprecated warning"
default n
help
Enable this option will suppress the deprecation warnings of using APIs in legacy I2S driver.
config I2S_ENABLE_DEBUG_LOG
bool "Enable I2S debug log"
default n
help
Wether to enable the debug log message for I2S driver.
Note that, this option only controls the I2S driver log, will not affect other drivers.
endmenu # I2S Configuration
menu "DAC Configuration"
depends on SOC_DAC_SUPPORTED
config DAC_CTRL_FUNC_IN_IRAM
bool "Place DAC control functions into IRAM"
default n
help
Place DAC control functions (e.g. 'dac_oneshot_output_voltage') into IRAM,
so that this function can be IRAM-safe and able to be called in the other IRAM interrupt context.
Enabling this option can improve driver performance as well.
config DAC_ISR_IRAM_SAFE
bool "DAC ISR IRAM-Safe"
default n
help
Ensure the DAC interrupt is IRAM-Safe by allowing the interrupt handler to be
executable when the cache is disabled (e.g. SPI Flash write).
config DAC_SUPPRESS_DEPRECATE_WARN
bool "Suppress legacy driver deprecated warning"
default n
help
Wether to suppress the deprecation warnings when using legacy DAC driver (driver/dac.h).
If you want to continue using the legacy driver, and don't want to see related deprecation warnings,
you can enable this option.
config DAC_ENABLE_DEBUG_LOG
bool "Enable debug log"
default n
help
Wether to enable the debug log message for DAC driver.
Note that, this option only controls the DAC driver log, won't affect other drivers.
config DAC_DMA_AUTO_16BIT_ALIGN
bool "Align the continuous data to 16 bit automatically"
depends on SOC_DAC_DMA_16BIT_ALIGN
default y
help
Whether to left shift the continuous data to align every bytes to 16 bits in the driver.
On ESP32, although the DAC resolution is only 8 bits,
the hardware requires 16 bits data in continuous mode.
By enabling this option, the driver will left shift 8 bits for the input data automatically.
Only disable this option when you decide to do this step by yourself.
Note that the driver will allocate a new piece of memory to save the converted data.
endmenu # DAC Configuration
menu "USB Serial/JTAG Configuration"
depends on SOC_USB_SERIAL_JTAG_SUPPORTED
config USJ_NO_AUTO_LS_ON_CONNECTION
bool "Don't enter the automatic light sleep when USB Serial/JTAG port is connected"
depends on PM_ENABLE && ESP_CONSOLE_USB_SERIAL_JTAG_ENABLED && !SOC_USB_SERIAL_JTAG_SUPPORT_LIGHT_SLEEP
default n
help
If enabled, the chip will constantly monitor the connection status of the USB Serial/JTAG port. As long
as the USB Serial/JTAG is connected, a ESP_PM_NO_LIGHT_SLEEP power management lock will be acquired to
prevent the system from entering light sleep.
This option can be useful if serial monitoring is needed via USB Serial/JTAG while power management is
enabled, as the USB Serial/JTAG cannot work under light sleep and after waking up from light sleep.
Note. This option can only control the automatic Light-Sleep behavior. If esp_light_sleep_start() is
called manually from the program, enabling this option will not prevent light sleep entry even if the
USB Serial/JTAG is in use.
endmenu # USB Serial/JTAG Configuration
menu "Parallel IO Configuration"
depends on SOC_PARLIO_SUPPORTED
config PARLIO_ENABLE_DEBUG_LOG
bool "Enable debug log"
default n
help
Wether to enable the debug log message for parallel IO driver.
Note that, this option only controls the parallel IO driver log, won't affect other drivers.
config PARLIO_ISR_IRAM_SAFE
bool "Parallel IO ISR IRAM-Safe"
default n
select GDMA_CTRL_FUNC_IN_IRAM # the driver needs to start the GDMA in the interrupt
help
Ensure the Parallel IO interrupt is IRAM-Safe by allowing the interrupt handler to be
executable when the cache is disabled (e.g. SPI Flash write).
endmenu # Parallel IO Configuration
orsource "./ledc/Kconfig.ledc"
menu "I2C Configuration"
config I2C_ISR_IRAM_SAFE
bool "I2C ISR IRAM-Safe"
default n
help
Ensure the I2C interrupt is IRAM-Safe by allowing the interrupt handler to be
executable when the cache is disabled (e.g. SPI Flash write).
note: This cannot be used in the I2C legacy driver.
config I2C_ENABLE_DEBUG_LOG
bool "Enable I2C debug log"
default n
help
Wether to enable the debug log message for I2C driver.
Note that this option only controls the I2C driver log, will not affect other drivers.
note: This cannot be used in the I2C legacy driver.
endmenu # I2C Configurations
endmenu # Driver configurations
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