shaun/pico-hcsr04
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Adding redundant connection to HA MQTT Broker.

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This commit is contained in:
Shaun Setlock
2023-05-30 10:27:28 -04:00
parent e9f9ce5acb
commit 33ba6f414b
1 changed files with 60 additions and 21 deletions
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79
main.py
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@@ -7,6 +7,7 @@ from machine import Pin
from umqtt.robust import MQTTClient
import wifi_config
import mqtt_config
import ha_mqtt_config
from pico_funcs import read_cpu_temp, wlan_up, led_error_code
from hcsr04_funcs import read_hc_sr04
@@ -39,6 +40,15 @@ def main():
server = mqtt_config.MQTT_HOST_NAME,
)
# Create Home Assistant MQTT Client
ha_mqtt_client = MQTTClient(
client_id = ha_mqtt_config.MQTT_CLIENT_ID,
server = ha_mqtt_config.MQTT_HOST_NAME,
keepalive = ha_mqtt_config.MQTT_KEEP,
user = ha_mqtt_config.MQTT_USERNAME,
password = ha_mqtt_config.MQTT_PASSWORD,
)
# Create HC-SR04
trig = Pin(TRIG_PIN, Pin.OUT)
echo = Pin(ECHO_PIN, Pin.IN, Pin.PULL_DOWN)
@@ -104,22 +114,38 @@ def main():
except:
continue
# MQTT Conneciton.
# MQTT Connection to Primary Broker.
try:
try:
mqtt_client.connect(clean_session = False)
mqtt_ready = True
if DEBUG:
print(f'MQTT Connected.')
mqtt_client.connect(clean_session = False)
mqtt_ready = True
mqtt = 'mosquitto'
if DEBUG:
print(f'Connected to Mosquitto MQTT broker.')
except Exception as e:
if DEBUG:
print("Trouble to connecting to MQTT: {}".format(e))
led_error_code(led, 2)
time.sleep(5)
continue # Start back at the top of the While Loop
except:
continue
except Exception as e:
if DEBUG:
print("Trouble to connecting to Mosquitto MQTT: {}".format(e))
# MQTT Connection to Back Up Broker.
if not mqtt_ready:
try:
try:
ha_mqtt_client.connect(clean_session = False)
mqtt_ready = True
mqtt = 'ha'
if DEBUG:
print(f'Connected to the back up, Home Assistant, MQTT broker.')
except Exception as f:
if DEBUG:
print("Trouble to connecting to Home Assistant MQTT: {}".format(f))
led_error_code(led, 2)
time.sleep(5)
continue # Start back at the top of the While Loop
except:
continue
# Ready to Publish?
try:
@@ -143,13 +169,26 @@ def main():
}
hw_payload = json.dumps(hw_data)
# Publish
mqtt_client.publish("home/{}".format(mqtt_config.MQTT_ZONE_ID),hc_sr04_payload, retain=True)
mqtt_client.publish("hw/{}".format(mqtt_config.MQTT_HW_ID),hw_payload, retain=True)
mqtt_client.disconnect()
if DEBUG:
print(f'MQTT Disconnected.')
print(f'Trying to publish...')
if mqtt == 'mosquitto':
# Publish
mqtt_client.publish("home/{}".format(mqtt_config.MQTT_ZONE_ID),hc_sr04_payload, retain=True)
mqtt_client.publish("hw/{}".format(mqtt_config.MQTT_HW_ID),hw_payload, retain=True)
mqtt_client.disconnect()
if DEBUG:
print(f'MQTT Disconnected.')
if mqtt == 'ha':
# Publish
ha_mqtt_client.publish("home/{}".format(mqtt_config.MQTT_ZONE_ID),hc_sr04_payload, retain=True)
ha_mqtt_client.publish("hw/{}".format(mqtt_config.MQTT_HW_ID),hw_payload, retain=True)
ha_mqtt_client.disconnect()
if DEBUG:
print(f'MQTT Disconnected.')
except:
continue