# i2c = I2C(scl=Pin(4), sda=Pin(5))
i2c = I2C(scl=Pin(22), sda=Pin(21))
builtinLedPin = 5
display = None
builtinLed = None
cfg = config.Config('config.eventhub.json')
mySensor = cfg.sensor.Sensor(i2c)
if cfg.hubType == 'eventhub':
hub = eventhub.EventHub(cfg.host, cfg.eventHubName, cfg.eventHubPolicyName,
cfg.key)
elif cfg.hubType == 'iothub':
hub = iothub.IotHub(cfg.host, cfg.deviceId, cfg.key)
wlan = network.WLAN(network.STA_IF)
lastUpdated = 0
updateSas = True
def newSasToken():
global lastUpdated, updateSas, SAS
if time.ticks_diff(time.time(), lastUpdated) > 60 * 15:
lastUpdated = time.time()
updateSas = True
if updateSas:
SAS = hub.generate_sas_token()
telemetry = msg_txt % ('Sydney, AU', humidity, pressure,
temperature, id)
print(telemetry)
client.publish(iot.hubTopicPublish, telemetry)
time.sleep(sampleRateInSeconds)
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
return
except:
print("Unexpected error")
time.sleep(4)
iot = iothub.IotHub(hubAddress, deviceId, sharedAccessKey)
client = mqtt.Client(deviceId, mqtt.MQTTv311)
client.on_connect = on_connect
client.on_disconnect = on_disconnect
client.on_message = on_message
client.on_publish = on_publish
client.username_pw_set(iot.hubUser, iot.generate_sas_token())
client.tls_set("/etc/ssl/certs/ca-certificates.crt")
client.connect(hubAddress, 8883)
client.loop_start()
publish()
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
return
except:
print("Unexpected error")
time.sleep(4)
if len(sys.argv) == 2:
cfg = config.Config(sys.argv[1])
else:
cfg = config.Config("config_default.json")
mysensor = cfg.sensor.Sensor(cfg.owmApiKey, cfg.owmLocation)
iot = iothub.IotHub(cfg.hubAddress, cfg.deviceId, cfg.sharedAccessKey)
client = mqtt.Client(cfg.deviceId, mqtt.MQTTv311)
client.on_connect = on_connect
client.on_disconnect = on_disconnect
client.on_message = on_message
client.on_publish = on_publish
if iotHubMode:
client.username_pw_set(iot.hubUser, iot.generate_sas_token())
#client.tls_set("/etc/ssl/certs/ca-certificates.crt") # use builtin cert on Raspbian
client.tls_set(
"baltimorebase64.cer"
) # Baltimore Cybertrust Root exported from Windows 10 using certlm.msc in base64 format
client.connect(cfg.hubAddress, 8883)
from iothub_client import *
import time
import sys
sys.path[0:0] = [
'../common'
] ## path to shared owm.py (open weather map) and iothub.py (azure iot hub python) files
import owm
import iothub
sensorLocation = "Sydney"
owmLocation = 'Sydney,AU'
iothubConnectionString = 'HostName=IoTCampAU.azure-devices.net;DeviceId=UbuntuPython34;SharedAccessKey=32JQMI0quRp69GEosVSUF2tkdq5r0nzi2lPAn1rZckY='
openWeather = owm.Weather('c204bb28a2f9dc23925f27b9e21296dd', owmLocation)
iot = iothub.IotHub(iothubConnectionString)
msg_txt = "{\"Geo\":\"%s\",\"Humidity\":%d,\"HPa\":%d,\"Celsius\": %.2f,\"Light\":%d,\"Id\":%d}"
def callback(message, properties):
print(message)
print("Properties: %s" % properties)
def iothub_client_sample_run():
id = 0
iot.initialise(callback)
while True:
try: