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Add battery health calculation

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M.J. Wydra (Jay) 2020-12-05 10:11:44 -06:00 committed by GitHub
parent 8a88f43182
commit f25ba5cf63
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1 changed files with 18 additions and 4 deletions
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battery2mqtt.py
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@ -11,32 +11,46 @@ MQTT_QOS = int(os.getenv('MQTT_QOS', 1))
MQTT_TOPIC = os.getenv('MQTT_TOPIC', 'server')
INTERVAL = int(os.getenv('INTERVAL', 60))
MONITORED_CONDITIONS = os.environ.get('MONITORED_CONDITIONS','alarm,capacity,capacity_level,present,status,voltage_now')
BATTERY_HEALTH = os.getenv('BATTERY_HEALTH', 1)
client = mqtt.Client("battery2mqtt")
client.username_pw_set(MQTT_USER, MQTT_PASSWORD)
monitored_conditions = MONITORED_CONDITIONS.split(',')
path = "/sys/class/power_supply"
path = "/sys/class/power_supply/"
dirs = os.listdir(path)
payload = {}
health_calc = {}
while True:
for dir in dirs:
for name in monitored_conditions:
try:
with open(path + '/' + dir + '/' + name, 'r') as file:
if name in ['alarm', 'capacity', 'present']:
with open(path + dir + '/' + name, 'r') as file:
if name in ['alarm', 'capacity', 'cycle_count', 'online', 'present']:
payload[name] = int(file.read().replace('\n',''))
elif 'voltage' in name:
elif name.startswith('voltage') or name.startswith('energy'):
payload[name] = round(float(file.read().replace('\n','')) / 1000000,2)
elif name.startswith('power'):
payload[name] = round(float(file.read().replace('\n','')) / 1000,2)
else:
payload[name] = file.read().replace('\n','')
except:
payload[name] = "condition not found"
if BATTERY_HEALTH == '1':
try:
for name in ['energy_full_design', 'energy_full']:
with open(path + dir + '/' + name, 'r') as file:
health_calc[name] = int(file.read().replace('\n',''))
json.dumps(health_calc)
payload['battery_health'] = round((health_calc['energy_full'] / health_calc['energy_full_design']) * 100,2)
except:
pass
client.connect(MQTT_HOST)
client.publish("battery2mqtt/" + MQTT_TOPIC + '/' + dir, json.dumps(payload), qos=MQTT_QOS, retain=False)