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Bookworm/Pi5 Compatibility: Upgrade to latest boilerplate, port to gpiod #36

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Bookworm/Pi5 Compatibility: Upgrade to latest boilerplate, port to gpiod #36

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bc22e3f
Port to gpiod/gpiodevice.
Gadgetoid Nov 17, 2023
9eda924
Fix VENV_DIR path.
Gadgetoid Nov 21, 2023
dd0e25d
CI: Fix ruff invocation.
Gadgetoid Feb 26, 2025
d98b694
Port moisture to gpiod.
Gadgetoid Feb 26, 2025
3ff4f65
Switch PWM to use an Event.
Gadgetoid Feb 26, 2025
ff8bd71
CI: Fixup tests.
Gadgetoid Feb 26, 2025
c452289
CI: Apply isort suggestions.
Gadgetoid Feb 26, 2025
c119e5f
CI: Make ruff happy.
Gadgetoid Feb 26, 2025
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Switch PWM to use an Event.
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@Gadgetoid
Gadgetoid committed Feb 26, 2025
commit 3ff4f65a619f9f11c9408b8c535a8d755593471c
11 changes: 5 additions & 6 deletions grow/pwm.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import time
from threading import Thread
from threading import Event, Thread

import gpiod
import gpiodevice
Expand All @@ -11,19 +11,18 @@
class PWM:
_pwms: list = []
_t_pwm: Thread = None
_pwm_running: bool = False
_t_pwm_event: Event = Event()

@staticmethod
def start_thread():
if PWM._t_pwm is None:
PWM._pwm_running = True
PWM._t_pwm = Thread(target=PWM._run)
PWM._t_pwm.start()

@staticmethod
def stop_thread():
if PWM._t_pwm is not None:
PWM._pwm_running = False
PWM._t_pwm_event.set()
PWM._t_pwm.join()
PWM._t_pwm = None

Expand All @@ -34,13 +33,13 @@ def _add(pwm):
@staticmethod
def _remove(pwm):
index = PWM._pwms.index(pwm)
del PWM._pwms[index]
PWM._pwms.pop(index)
if len(PWM._pwms) == 0:
PWM.stop_thread()

@staticmethod
def _run():
while PWM._pwm_running:
while not PWM._t_pwm_event.is_set():
PWM.run()

@staticmethod
Expand Down