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Only send MQTT message when state changes occur

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Tediore 2021-08-04 00:08:08 -05:00
parent 6fcece939f
commit 576a17922f
1 changed files with 10 additions and 5 deletions
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15
battery2mqtt.py
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@ -25,6 +25,7 @@ path = "/sys/class/power_supply/"
dirs = os.listdir(path) dirs = os.listdir(path)
payload = {} payload = {}
last_payload = {}
health_calc = {} health_calc = {}
time_remaining = {} time_remaining = {}
@ -78,10 +79,14 @@ while True:
except: except:
pass pass
try: if payload != last_payload:
client.connect(MQTT_HOST) try:
client.publish("battery2mqtt/" + MQTT_TOPIC + '/' + dir, json.dumps(payload), qos=MQTT_QOS, retain=False) client.connect(MQTT_HOST)
except: client.publish("battery2mqtt/" + MQTT_TOPIC + '/' + dir, json.dumps(payload), qos=MQTT_QOS, retain=False)
print('Message send failure.') last_payload = payload
except:
print('Message send failed.')
else:
pass
sleep(INTERVAL) sleep(INTERVAL)