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menuconfig RT_USING_ADC
bool "Using ADC device drivers"
default n
help
Enable analog-to-digital converter framework support so MCU ADC channels
can be exposed through the RT-Thread device interface. Required when your
application samples voltages or sensors via ADC.
if RT_USING_DM && RT_USING_ADC
osource "$(SOC_DM_ADC_DIR)/Kconfig"
endif
config RT_USING_DAC
bool "Using DAC device drivers"
default n
help
Build the digital-to-analog converter driver layer. Enable if you need to
output analog voltages or audio waveforms through DAC peripherals.
config RT_USING_NULL
bool "Using NULL device drivers"
default n
help
Register a `/dev/null` style sink device that discards written data and
always returns EOF when read. Handy for tests or redirecting logs.
config RT_USING_ZERO
bool "Using ZERO device drivers"
default n
help
Provide a `/dev/zero` like device that returns zero-filled buffers on
reads. Useful for quick buffer initialization without touching memory.
config RT_USING_RANDOM
bool "Using RANDOM device drivers"
default n
help
Expose a `/dev/random` source backed by software entropy or hardware RNG.
Enable only when you supply a randomness provider.
menuconfig RT_USING_PWM
bool "Using PWM device drivers"
default n
help
Enable the Pulse-Width Modulation driver layer so timers configured as PWM
can control motors, LEDs, etc. Required by many BSPs with PWM outputs.
if RT_USING_DM && RT_USING_PWM
osource "$(SOC_DM_PWM_DIR)/Kconfig"
endif
config RT_USING_PULSE_ENCODER
bool "Using PULSE ENCODER device drivers"
default n
help
Build the pulse encoder (quadrature decoder) driver so incremental
encoders can be read through the RT-Thread device API.
config RT_USING_INPUT_CAPTURE
bool "Using INPUT CAPTURE device drivers"
default n
help
Enable input capture support, letting timers timestamp external pulses for
frequency/period measurements.
if RT_USING_INPUT_CAPTURE
config RT_INPUT_CAPTURE_RB_SIZE
int "Set input capture ringbuffer size"
default 100
help
Number of samples buffered per capture channel. Increase to avoid data
loss when interrupts arrive faster than the consumer drains them.
endif
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