1.9 KiB
CHIP_IO.SOFTPWM
Import the SOFTPWM module as follows
import CHIP_IO.SOFTPWM as SPWM
toggle_debug()
Enable/Disable the Debug
-
Parameters
None
-
Examples
SPWM.toggle_debug()
is_chip_pro()
Function to report to the calling script if the SBC is a CHIP or a CHIP Pro
-
Parameters
None
-
Returns
int - 1 for CHIP Pro, 0 for CHIP
-
Examples
is_chip_pro = SPWM.is_chip_pro()
start(channel, duty_cycle=0.0, frequency=2000.0, polarity=0)
Start the Software PWM
-
Parameters
channel - pin for software PWM is configured duty_cycle - initial duty cycle of the PWM (optional) frequency - frequency of the PWM (optional) polarity - signal polarity of the PWM (optional)
-
Returns
None
-
Examples
SPWM.start("CSID0") SPWM.start("CSID0", 37.0) SPWM.start("CSID0", 10.0, 500.0) SPWM.start("CSID0", 50.0, 1000.0, 1)
stop(channel)
Stop the Software PWM
-
Parameters
channel - pin software PWM is configured
-
Returns
None
-
Examples
SPWM.stop("CSID0")
set_duty_cycle(channel, duty_cycle)
Set the duty cycle of the Software PWM
-
Parameters
channel - pin software PWM is configured duty_cycle - duty cycle of the PWM (0.0 to 100.0)
-
Returns
None
-
Examples
SPWM.set_duty_cycle("CSID0", 25.0)
set_frequency(channel, frequency)
Set the frequency of the Software PWM in Hertz
-
Parameters
channel - pin PWM is configured frequency - frequency of the PWM
-
Returns
None
-
Examples
SPWM.set_frequency("CSID0", 450.0)
cleanup(channel)
Cleanup Software PWM. If not channel input, all Software PWM will be cleaned up
-
Parameters
channel - pin Software PWM is configured (optional)
-
Returns
None
-
Examples
SPWM.cleanup() SPWM.cleanup("CSID0")