Updated main.py to be more failsafe. Now using umqtt.robust too.
This commit is contained in:
Shaun Setlock
140
main.py
140
main.py
@@ -4,7 +4,7 @@ import time
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import json
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import machine
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from machine import Pin
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from umqtt.simple import MQTTClient
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from umqtt.robust import MQTTClient
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import dht
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import urequests
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import wifi_config
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@@ -115,7 +115,10 @@ def main():
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wlan = network.WLAN(network.STA_IF)
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# Create MQTT Client
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mqtt_client = MQTTClient(mqtt_config.MQTT_CLIENT_ID, mqtt_config.MQTT_HOST_NAME)
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mqtt_client = MQTTClient(
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client_id = mqtt_config.MQTT_CLIENT_ID,
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server = mqtt_config.MQTT_HOST_NAME,
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)
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# Create DHT22
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sensor = dht.DHT22(Pin(DHT_22_GPIO_PIN))
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@@ -132,73 +135,98 @@ def main():
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if DEBUG:
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print(f'\nStarting loop #{count}... \nWiFI Status is {wlan.status()}.')
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# Create Local Flags for Control
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wifi_ready = False
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mqtt_ready = False
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dht22_ready = False
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# DHT22 and CPU Reading.
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try:
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# CPU Reading.
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cpu_temp = read_cpu_temp()
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# DHT22 Reading.
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dht22_reading = read_dht_22(sensor)
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#debug_str = "None"
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if dht22_reading is not None:
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temp,hum = dht22_reading
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temp = temp * 9/5. + 32.0
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dht22_ready = True
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except:
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continue
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# WiFi Connection.
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if wlan.status() != 3:
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ifconfig = wlan_up(wlan)
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if ifconfig is None:
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if DEBUG:
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print("Trouble to connecting WiFi: {}".format(e))
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led_error_code(led, 3)
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time.sleep(10)
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continue
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try:
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if wlan.status() != 3:
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ifconfig = wlan_up(wlan)
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if ifconfig is None:
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if DEBUG:
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print("Trouble to connecting WiFi: {}".format(e))
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led_error_code(led, 3)
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time.sleep(10)
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continue
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else:
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wifi_ready = True
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if DEBUG:
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print("Connected to WiFi: {}".format(ifconfig))
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else:
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wifi_ready = True
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ifconfig = wlan.ifconfig()
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if DEBUG:
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print("Connected to WiFi: {}".format(ifconfig))
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else:
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ifconfig = wlan.ifconfig()
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if DEBUG:
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print(f"Skipping WiFi Activation since WiFi Status is {wlan.status()} \n{ifconfig}.")
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print(f"Skipping WiFi Activation since WiFi Status is {wlan.status()} \n{ifconfig}.")
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except:
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continue
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# MQTT Conneciton.
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try:
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mqtt_client.connect()
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if DEBUG:
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print(f'MQTT Connected.')
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try:
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mqtt_client.connect(clean_session = False)
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mqtt_ready = True
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if DEBUG:
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print(f'MQTT Connected.')
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except Exception as e:
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if DEBUG:
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print("Trouble to connecting to MQTT: {}".format(e))
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led_error_code(led, 2)
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time.sleep(5)
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continue # Start back at the top of the While Loop
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except Exception as e:
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if DEBUG:
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print("Trouble to connecting to MQTT: {}".format(e))
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led_error_code(led, 2)
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time.sleep(5)
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continue # Start back at the top of the While Loop
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except:
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continue
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# DHT22 Reading.
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dht22_reading = read_dht_22(sensor)
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#debug_str = "None"
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if dht22_reading is not None:
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temp,hum = dht22_reading
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temp = temp * 9/5. + 32.0
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# Ready to Publish?
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try:
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if wifi_ready and mqtt_ready and dht22_ready:
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# Timestamp
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time_now = time.localtime()
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timestamp = "{}/{}/{} {}:{}:{}".format(time_now[1],time_now[2],time_now[0],time_now[3],time_now[4],time_now[5])
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# CPU Reading.
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cpu_temp = read_cpu_temp()
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# Build JSON Payloads
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dht_data = {
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'Location':mqtt_config.MQTT_ZONE_ID,
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'Temperature':temp,
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'Relative Humidity':hum,
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}
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dht_payload = json.dumps(dht_data)
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# Timestamp
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time_now = time.localtime()
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timestamp = "{}/{}/{} {}:{}:{}".format(time_now[1],time_now[2],time_now[0],time_now[3],time_now[4],time_now[5])
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hw_data = {
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'Timestamp':timestamp,
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'CPU Temperature':cpu_temp,
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'Device':mqtt_config.MQTT_HW_ID,
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'WiFi Information':ifconfig,
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}
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hw_payload = json.dumps(hw_data)
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# Build JSON Payloads
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dht_data = {
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'Location':mqtt_config.MQTT_ZONE_ID,
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'Temperature':temp,
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'Relative Humidity':hum,
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}
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dht_payload = json.dumps(dht_data)
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# Publish
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mqtt_client.publish("home/{}".format(mqtt_config.MQTT_ZONE_ID),dht_payload, retain=True)
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mqtt_client.publish("hw/{}".format(mqtt_config.MQTT_HW_ID),hw_payload, retain=True)
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hw_data = {
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'Timestamp':timestamp,
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'CPU Temperature':cpu_temp,
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'Device':mqtt_config.MQTT_HW_ID,
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'WiFi Information':ifconfig,
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}
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hw_payload = json.dumps(hw_data)
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mqtt_client.disconnect()
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if DEBUG:
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print(f'MQTT Disconnected.')
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# Publish
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mqtt_client.publish("home/{}".format(mqtt_config.MQTT_ZONE_ID),dht_payload, retain=True)
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mqtt_client.publish("hw/{}".format(mqtt_config.MQTT_HW_ID),hw_payload, retain=True)
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mqtt_client.disconnect()
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if DEBUG:
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print(f'MQTT Disconnected.')
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except:
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continue
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# Sleep for a bit.
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if DEBUG:
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