You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.2 KiB
49 lines
1.2 KiB
13 years ago
|
#
|
||
|
|
# For a description of the syntax of this configuration file,
|
||
|
|
# see misc/tools/kconfig-language.txt.
|
||
|
|
#
|
||
|
|
|
||
|
|
config EXAMPLES_PWM
|
||
|
|
bool "Pulse width modulation (PWM) example"
|
||
|
|
default n
|
||
|
|
depends on PWM && NSH_BUILTIN_APPS
|
||
|
|
---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 freququency"
|
||
|
|
default 100
|
||
|
|
---help---
|
||
|
|
The default PWM frequency. Default: 100 Hz
|
||
|
|
|
||
|
|
config EXAMPLES_PWM_DUTYPCT
|
||
|
|
int "Default PWM duty percentage"
|
||
|
|
default 50
|
||
|
|
---help---
|
||
|
|
The default PWM duty as a percentage. Default: 50%
|
||
|
|
|
||
|
|
config EXAMPLES_PWM_DURATION
|
||
|
|
int "Default PWM duration"
|
||
|
|
default 5 if !EXAMPLES_PWM_PULSECOUNT
|
||
|
|
---help---
|
||
|
|
The default PWM pulse train duration in seconds. Used only if the current
|
||
|
|
pulse count is zero (pulse countis only supported if CONFIG_PWM_PULSECOUNT
|
||
|
|
is defined). Default: 5 seconds
|
||
|
|
|
||
|
|
config EXAMPLES_PWM_PULSECOUNT
|
||
|
|
int "Default pulse count"
|
||
|
|
default 0
|
||
|
|
---help---
|
||
|
|
The initial PWM pulse count. This option is only available if CONFIG_PWM_PULSECOUNT
|
||
|
|
is nonzero. Default: 0 (i.e., use the duration, not the count).
|
||
|
|
|
||
|
|
endif
|