def set_duty(self, duty):
for ch, val in enumerate(duty):
self._set_ch_duty(ch, val)
PWM.seek(0, 0)
PWM.setup(pulse_incr_us=1)
PWM.init_channel(0, subcycle_time_us=10000)
# Add some pulses to the subcycle
PWM.add_channel_pulse(0, 20, 0, 1000)
PWM.set_loglevel(PWM.LOG_LEVEL_ERRORS)
# Stop PWM for specific GPIO on channel 0
while True:
GPIO.output(trigger_pin, 0)
#PWM.cleanup()
#PWM.set_loglevel( PWM.LOG_LEVEL_ERRORS)
#PWM.setup(pulse_incr_us=1)
#PWM.init_channel(0, subcycle_time_us=10000)
#PWM.clear_channel_gpio(0, 20)
PWM.add_channel_pulse(0, 20, 0, 1000)
PWM.seek(0, 0)
time.sleep(0.020)
GPIO.output(trigger_pin, 1)
#PWM.cleanup()
#PWM.set_loglevel( PWM.LOG_LEVEL_ERRORS)
#PWM.setup(pulse_incr_us=1)
#PWM.init_channel(0, subcycle_time_us=10000)
#PWM.clear_channel_gpio(0, 20)
PWM.add_channel_pulse(0, 20, 0, 2000)
PWM.seek(0, 0)
time.sleep(0.020)
PWM.clear_channel_gpio(0, 17)
# Shutdown all PWM and DMA activity
