164 lines
3.3 KiB
Plaintext
164 lines
3.3 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config EXAMPLES_PWM
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tristate "Pulse width modulation (PWM) example"
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default n
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depends on PWM
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---help---
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Enable the Pulse width modulation (PWM) example
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if EXAMPLES_PWM
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config EXAMPLES_PWM_DEVPATH
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string "PWM device path"
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default "/dev/pwm0"
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---help---
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The path to the PWM device. Default: /dev/pwm0
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config EXAMPLES_PWM_FREQUENCY
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int "Default PWM frequency"
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default 100
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---help---
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The default PWM frequency. Default: 100 Hz
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config EXAMPLES_PWM_DURATION
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int "Default PWM duration"
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default 5
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---help---
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The default PWM pulse train duration in seconds. Used only if the current
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pulse count is zero (pulse count is only supported if PWM_PULSECOUNT
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is not defined). Default: 5 seconds
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if PWM_MULTICHAN
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config EXAMPLES_PWM_DUTYPCT1
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int "First PWM duty percentage"
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default 50
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range 1 99
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---help---
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The first PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_CHANNEL1
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int "First PWM channel number"
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default 1
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range 1 6
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---help---
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The first PWM channel number. Default: 1
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if PWM_NCHANNELS = 2 || PWM_NCHANNELS = 3 || PWM_NCHANNELS = 4 || PWM_NCHANNELS = 5 || PWM_NCHANNELS = 6
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config EXAMPLES_PWM_DUTYPCT2
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int "Second PWM duty percentage"
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default 50
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range 1 99
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---help---
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The second PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_CHANNEL2
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int "Second PWM channel number"
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default 2
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range 1 6
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---help---
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The second PWM channel number. Default: 2
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endif
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if PWM_NCHANNELS = 3 || PWM_NCHANNELS = 4 || PWM_NCHANNELS = 5 || PWM_NCHANNELS = 6
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config EXAMPLES_PWM_DUTYPCT3
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int "Third PWM duty percentage"
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default 50
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range 1 99
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---help---
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The third PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_CHANNEL3
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int "Third PWM channel number"
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default 3
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range 1 6
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---help---
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The third PWM channel number. Default: 3
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endif
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if PWM_NCHANNELS = 4 || PWM_NCHANNELS = 5 || PWM_NCHANNELS = 6
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config EXAMPLES_PWM_DUTYPCT4
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int "Fourth PWM duty percentage"
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default 50
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range 1 99
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---help---
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The fourth PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_CHANNEL4
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int "Fourth PWM channel number"
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default 4
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range 1 6
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---help---
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The fourth PWM channel number. Default: 4
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endif
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if PWM_NCHANNELS = 5 || PWM_NCHANNELS = 6
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config EXAMPLES_PWM_DUTYPCT5
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int "Fifth PWM duty percentage"
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default 50
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range 1 99
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---help---
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The fifth PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_CHANNEL5
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int "Fifth PWM channel number"
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default 5
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range 1 6
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---help---
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The fifth PWM channel number. Default: 5
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endif
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if PWM_NCHANNELS = 6
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config EXAMPLES_PWM_DUTYPCT6
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int "Sixth PWM duty percentage"
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default 50
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range 1 99
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---help---
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The sixth PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_CHANNEL5
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int "Sixth PWM channel number"
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default 6
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range 1 6
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---help---
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The sixth PWM channel number. Default: 6
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endif
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endif
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if !PWM_MULTICHAN
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config EXAMPLES_PWM_DUTYPCT
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int "Default PWM duty percentage"
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default 50
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range 1 99
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---help---
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The default PWM duty as a percentage. Default: 50%
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config EXAMPLES_PWM_PULSECOUNT
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int "Default pulse count"
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default 0
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depends on PWM_PULSECOUNT
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---help---
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The initial PWM pulse count. This option is only available if
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PWM_PULSECOUNT is defined. Default: 0 (i.e., use the duration, not
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the count).
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endif
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endif
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