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