arofarn/micropy-light
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Add some verification about network connection

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before Mqtt and NTP connection
This commit is contained in:
arofarn 2020-05-16 14:25:17 +02:00
parent c97b1ab2fa
commit 6b9d6c2dcd
1 changed files with 53 additions and 29 deletions
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82
code/main.py
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@ -73,33 +73,57 @@ CURRENT_MODE = 0
PWROFF_DELAY = 0
MQTT_DELAY = 2 # Délais en sec. avant d'envoyer les données au MQTT
# Connection au broker MQTT
CLIENT = MQTTClient(client_id=config.CLIENT_ID,
server=config.MQTT_HOST,
user=config.MQTT_USERNAME,
password=config.MQTT_PASSWD,
port=config.MQTT_PORT)
CLIENT.DEBUG = True
CLIENT.connect()
#############
# FUNCTIONS #
#############
def set_rtc():
def MqttConnect(config, cb):
# Connection au broker MQTT
CLIENT = MQTTClient(client_id=config.CLIENT_ID,
server=config.MQTT_HOST,
user=config.MQTT_USERNAME,
password=config.MQTT_PASSWD,
port=config.MQTT_PORT)
CLIENT.DEBUG = True
try:
if WLAN.isconnected():
CLIENT.reconnect()
except Exception as err:
print(err)
if CLIENT.is_connected:
# MQTT subscription
print("MqttConnect: Set callback...")
CLIENT.set_callback(cb)
print("OK")
print("MqttConnect: Subcribe...")
CLIENT.subscribe(b"{location}/{device}/#".format(location=config.LOCATION,
device=CLIENT.client_id))
print("OK")
return CLIENT
def set_rtc(retry = 3):
n = 0
while True:
n += 1
try:
return ntptime.settime()
except OSError as err:
print("OS error: {0}".format(err))
print("set_rtc() : OS error: {0}".format(err))
if err.args[0] == 110:
time.sleep(2)
time.sleep(0.5)
except OverflowError as err:
print("OverflowError: {0}".format(err))
time.sleep(2)
print("set_rtc() : OverflowError: {0}".format(err))
time.sleep(0.2)
except Exception as err:
return print(err)
return print("set_rtc() : ", err)
if n >= retry:
print("set_rtc() : retry limit reached : ", n)
break
def now(clock):
@ -150,9 +174,10 @@ def mqtt_callback(topic, msg):
print("Pas une valeur. Ignore...")
def power_cycle():
"""ON/OFF function"""
global PWR
global BRIGHTN
PWR = not PWR
print("Power :", PWR)
@ -220,7 +245,10 @@ def update_conn_led():
# BOUCLE PRINCIPALE #
#####################
set_rtc()
if WLAN.isconnected():
set_rtc()
CLIENT = MqttConnect(config, mqtt_callback)
# Envoi de l'état de départ au broker
data = [["last_boot", now(rtc), True, 1],
@ -237,16 +265,6 @@ data = [["last_boot", now(rtc), True, 1],
]
mqtt_multipub(data)
# MQTT subscription
print("Set callback...")
CLIENT.set_callback(mqtt_callback)
print("OK")
print("Subcribe...")
CLIENT.subscribe(b"{location}/{device}/#".format(location=config.LOCATION,
device=CLIENT.client_id))
print("OK")
time.sleep(1)
BRIGHTN_DATA = None
while True:
@ -275,11 +293,14 @@ while True:
update_conn_led()
CLIENT.check_msg()
if WLAN.isconnected() and CLIENT.is_connected:
CLIENT.check_msg()
# On n'envoie les données de luminosité qu'une fois stabilisée (MQTT_DELAY)
if BRIGHTN_DATA is not None and time.ticks_diff(time.ticks_ms(), MQTT_TIMER) >= 0:
mqtt_multipub(BRIGHTN_DATA)
if BRIGHTN_DATA is not None and time.ticks_diff(time.ticks_ms(),
MQTT_TIMER) >= 0:
if WLAN.isconnected() and CLIENT.is_connected:
mqtt_multipub(BRIGHTN_DATA)
BRIGHTN_DATA = None
time_to_test = rtc.datetime()
@ -289,3 +310,6 @@ while True:
set_rtc()
print("Time set: {0:04d}/{1:02d}/{2:02d}_{4:02d}:{5:02d}:{6:02d}.{7:03d}".format(*rtc.datetime()))
time.sleep(1)
if time_to_test[6] == 0 and not CLIENT.is_connected:
CLIENT = MqttConnect(config, mqtt_callback)