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chargecontroller.py
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chargecontroller.py
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#
#
#
import os
import time
import gpiozero
import db
import threading
from datetime import datetime
from consts import CHARGER_GPIO
from consts import CHARGER_RUNTIME
from consts import CHARGER_OFFTIME
chargeRelay = gpiozero.OutputDevice(CHARGER_GPIO, active_high = True,
initial_value = False)
def heartbeat():
entry = { 'timestamp': str(datetime.now().timestamp()),
'event': 'Heartbeat'}
db.logChargeRun(entry)
threading.Timer(600, heartbeat).start()
heartbeat()
while True:
# Stop charging
chargeRelay.off()
entry = { 'timestamp': str(datetime.now().timestamp()),
'event': 'Switch Off'}
db.logChargeRun(entry)
time.sleep(CHARGER_OFFTIME)
# Start charging
chargeRelay.on()
entry = { 'timestamp': str(datetime.now().timestamp()),
'event': 'Switch On'}
db.logChargeRun(entry)
time.sleep(CHARGER_RUNTIME)