i've read that it is a common issue, that some python scripts stops after about 3 hours. i have the same problem with mine. it is a script, that ligths up a LED strip like a fire. Unfortunately i'm really bad in python... do i have a memory issue after a while?
import RPi.GPIO as GPIO
import threading
import time
import random
import math
R = 17
G = 22
pwms = []
intensity = 1.0
def initialize_gpio():
GPIO.setmode(GPIO.BCM)
GPIO.setup([17,22], GPIO.OUT)
def red_light():
p = GPIO.PWM(R, 300)
p.start(100)
pwms.append(p)
while True:
p.ChangeDutyCycle(min(random.randint(50, 100) * math.pow(intensity + 0.1, 0.75), 100) if intensity > 0 else 0)
rand_flicker_sleep()
def green_light():
global green_dc
p = GPIO.PWM(G, 300)
p.start(0)
pwms.append(p)
while True:
p.ChangeDutyCycle(random.randint(5, 10) * math.pow(intensity, 2) if intensity > 0 else 0)
rand_flicker_sleep()
def rand_flicker_sleep():
time.sleep(random.randint(3,10) / 100.0)
def fan_the_flame(_):
global intensity
intensity = min(intensity + 0.25, 1.0)
def light_candle():
threads = [
threading.Thread(target=red_light),
threading.Thread(target=green_light),
## threading.Thread(target=burning_down)
]
for t in threads:
t.daemon = True
t.start()
for t in threads:
t.join()
def main():
try:
initialize_gpio()
print("\nPress ^C (control-C) to exit the program.\n")
light_candle()
except KeyboardInterrupt:
pass
finally:
for p in pwms:
p.stop()
def stopfire():
GPIO.cleanup()
if __name__ == '__main__':
main()
