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lamp.py
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lamp.py
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import logging
import time
import RPi.GPIO as GPIO
logger = logging.getLogger(__name__)
pin = None
delay = 0
logic = True
def init(state=True):
if not pin:
logger.info("No lamp pin selected, no lamp control")
return
try:
import RPi.GPIO as GPIO
GPIO.setmode(GPIO.BCM)
#print("Starting lamp.... ", end="", flush=True)
GPIO.setup(pin, GPIO.OUT)
if state:
on()
if delay:
# Let the light warm up
time.sleep(delay)
else:
off()
print("OK")
except RuntimeError:
logger.error(
"Error importing RPi.GPIO! This is probably because you need superuser privileges. You can achieve this by using 'sudo' to run your script")
except ImportError:
logger.error(
"Libratry RPi.GPIO not found, light controll not possible! You can install it using 'sudo pip3 install rpi.gpio' to install library")
def deinit():
if not pin:
return
off()
GPIO.cleanup()
def on():
if not pin:
raise RuntimeError("No lamp pin selected, no lamp control")
GPIO.output(pin, logic)
def off():
if not pin:
raise RuntimeError("No lamp pin selected, no lamp control")
GPIO.output(pin, not logic)