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fc1898ccb5
Add support for specifying the clock prescaler value for the HF timer used for generating the PWM signals. This allows for lower timer frequency and thus slower PWM signals (e.g. for use as servo controller). Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
48 lines
1.1 KiB
Plaintext
48 lines
1.1 KiB
Plaintext
# Kconfig.nrf5_sw - Nordic Semiconductor nRF5x s/w PWM configuration options
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#
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#
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# Copyright (c) 2017 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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menuconfig PWM_NRF5_SW
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bool "Nordic Semiconductor nRF5x series S/W PWM"
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depends on PWM && SOC_FAMILY_NRF
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default y
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help
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Enable driver to utilize PWM on the Nordic Semiconductor nRF5x series.
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This implementation provides up to 3 pins using one HF timer, two PPI
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channels per pin and one GPIOTE config per pin.
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if PWM_NRF5_SW
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config PWM_NRF5_SW_0_DEV_NAME
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string "Nordic Semiconductor nRF5x series S/W PWM Device Name"
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default "PWM_0"
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help
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Specify the device name for the Nordic Semiconductor nRF5x series S/W
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PWM driver.
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config PWM_NRF5_SW_0_CLOCK_PRESCALER
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int
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prompt "Nordic Semiconductor nRF5x series S/W PWM Clock Prescaler"
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default 0
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range 0 9
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help
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Set the clock prescaler for the timer used for generating
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the PWM output signals. Prescaler values correspond to the
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following timer frequencies:
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0: 16 MHz
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1: 8 MHz
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2: 4 MHz
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3: 2 MHz
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4: 1 MHz
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5: 500 kHz
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6: 250 kHz
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7: 125 kHz
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8: 62500 Hz
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9: 31250 Hz
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endif
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