Gandalf/OctoPrint-Enclosure
1
0
Fork 0
Code Issues 156 Pull Requests 6 Actions Packages Projects Releases 28 Wiki Activity

Fix 'A PWM object already exists for this GPIO channel' exception

Browse Source
This commit is contained in:
Jacopo Tediosi
2024-05-24 19:06:17 +02:00
parent 6e35aa5940
commit 76f6795e2e
1 changed files with 18 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
octoprint_enclosure/__init__.py
View File

@@ -1571,13 +1571,28 @@ class EnclosurePlugin(octoprint.plugin.StartupPlugin, octoprint.plugin.TemplateP
for gpio_out_pwm in list(filter(lambda item: item['output_type'] == 'pwm', self.rpi_outputs)):
pin = self.to_int(gpio_out_pwm['gpio_pin'])
self._logger.info("Setting GPIO pin %s as PWM", pin)
for pwm in (pwm_dict for pwm_dict in self.pwm_instances if pin in pwm_dict):
self.pwm_instances.remove(pwm)
# Stop and clear any other pwm instances on that pin
pwm_instances_to_remove = []
for pwm_instance in self.pwm_instances:
if pin in pwm_instance:
pwm_instance[pin].stop()
pwm_instances_to_remove.append(pwm_instance)
for pwm_instance in pwm_instances_to_remove:
self.pwm_instances.remove(pwm_instance)
# Clear the pin
self.clear_channel(pin)
# Setup new pwm on that pin
GPIO.setup(pin, GPIO.OUT)
pwm_instance = GPIO.PWM(pin, self.to_int(gpio_out_pwm['pwm_frequency']))
# Start the pwm
self._logger.info("starting PWM on pin %s", pin)
pwm_instance.start(0)
pwm_instance.start(self.to_int(gpio_out_pwm['default_duty_cycle']))
# Add the pwm to pwm_instances list
self.pwm_instances.append({pin: pwm_instance})
for gpio_out_neopixel in list(
filter(lambda item: item['output_type'] == 'neopixel_direct', self.rpi_outputs)):