def send_aqburk_data_to_iothub():
args = get_args()
time_period = args.timelength
msg_cnt = 0
mac_pubid_map = {}
mac_type_map = {}
if os.path.isfile(args.devid):
with open(args.devid, 'rt') as f:
for line in f:
apartment, inout, mac = line.strip().split()
devid = sanitize_devid(mac)
mac_pubid_map[devid] = f'{apartment}_{inout}'
mac_type_map[devid] = 'indoor' if inout == 'in' else 'outdoor'
else:
print(f'File {args.devid} does not exist!')
exit(1)
try:
client = iothub_client_init(args)
start_time, end_time, next_send_time = get_next_send_time(time_period)
while True:
if get_now() < next_send_time:
secs_left = (next_send_time - get_now()).total_seconds()
logging.info(
'next send will be in {:.1f} seconds'.format(secs_left))
logging.debug(
f'{get_now()}, {start_time}, {end_time}, {next_send_time}')
if secs_left > 5:
sleeptime = secs_left / 2
else:
sleeptime = 5
time.sleep(sleeptime)
continue
start_time, end_time, next_send_time = get_next_send_time(
time_period)
devs = get_data(start_time, end_time, args)
for devid in mac_pubid_map.keys():
if devid not in devs:
continue
message_data = create_message(start_time, mac_pubid_map[devid],
mac_type_map[devid], devs[devid])
message_json = json.dumps(message_data)
message = IoTHubMessage(message_json)
# Send the message.
if args.dryrun is True:
logging.info("Dry-run, not sending: {}".format(
message.get_string()))
else:
logging.info("Sending message: {}".format(
message.get_string()))
client.send_event_async(message,
send_confirmation_callback, None)
time.sleep(.5) # Sleep a bit between messages
msg_cnt += 1
time.sleep(5) # sanity sleep
except IoTHubError as iothub_error:
logging.error(f"Unexpected error {iothub_error} from IoTHub")
return
except KeyboardInterrupt:
print(f'\nIoTHubClient sample stopped. Sent total {msg_cnt} messages')
def iothub_client_telemetry_send(self):
try:
MSG_TXT = '{\"Timestamp\":%.0f,\"DeviceId\":\"%.10s\",\"location\":{\"lon\":%.5f,\"lat\":%.5f},\"Readings\":{\"Temperature\":{\"Internal\":%.2f,\"External\":%.2f}},\"Flow\":{\"In\":%.2f,\"Out\":%.2f},\"Pressure\":%.2f,\"Battery\":%.2f}'
#print client.toString()
# Build the message with simulated telemetry values.
pressure = self.readPressure()
flow = self.readFlow()
temperature = self.readTemprature()
battery = self.checkBattery()
msg_txt_formatted = MSG_TXT % (calendar.timegm(
time.gmtime()), self.deviceId, float(self.lat), float(
self.lon), temperature, temperature * 1.2, flow,
flow * 1.354, pressure, battery)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
self.client.send_event_async(message,
self.send_confirmation_callback, None)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def main(protocol):
try:
print("\nPython %s\n" % sys.version)
print("IoT Edge Client for Python")
hub_manager = HubManager(protocol)
print("Starting the IoT Hub Python sample using protocol %s..." %
hub_manager.client_protocol)
print(
"The sample is now waiting for messages and will indefinitely. Press Ctrl-C to exit. "
)
while True:
# Build the message with simulated telemetry values.
temperature = TEMPERATURE + (random.random() * 15)
humidity = HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("Steven demo sending message: %s" % message.get_string())
hub_manager.forward_event_to_output("temperatureOutput", message,
0)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubModuleClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
while True:
# Build the message with simulated telemetry values.
liveReading = LIVE_READING + random.randrange(0, 1000)
msg_txt_formatted = MSG_TXT % (liveReading)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if liveReading > 700:
prop_map.add("highConsumptionAlert", "true")
else:
prop_map.add("highConsumptionAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
# Set up the callback method for direct method calls from the hub.
client.set_device_method_callback(device_method_callback, None)
while True:
# Build the message with simulated telemetry values.
msg_txt_formatted = MSG_TXT % (humidity, temperature)
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(INTERVAL)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
curdate = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
if humidity is not None and temperature is not None:
msg_txt_formatted = MSG_TXT % (curdate, temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback,
None)
else:
print('Failed to get reading. Try again!')
time.sleep(2)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
temperature = sense.get_temperature()
humidity = sense.get_humidity()
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
sense.show_message(temperature + " C")
time.sleep(1)
sense.show_message(humidity + "%")
time.sleep(2)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoT Hub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
# list of taps with starting keg weights
taplist = [FULL_KEG_WEIGHT, FULL_KEG_WEIGHT, FULL_KEG_WEIGHT/2, FULL_KEG_WEIGHT/5];
try:
client = iothub_client_init()
while True:
for tap in range(len(taplist)):
# 15% change of pouring a 200g-450g beer
if (random.random() <= 0.15):
amount = random.randint(200, 450)
taplist[tap] -= amount
if (taplist[tap] < 0):
taplist[tap] = FULL_KEG_WEIGHT; # keg magiclly refills when empty
temperature = random.random() * 12 # 0-12 C
msg_txt_formatted = MSG_TXT % \
(time.time(), DEVICE_ID, tap, temperature, taplist[tap])
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
if temperature > 10:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(REPORT_PERIOD_S)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
# Build the message with simulated telemetry values.
temperature = TEMPERATURE + (random.random() * 15)
humidity = HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
# Build the message with simulated telemetry values.
false = random.randrange(0, 30)
true = random.randrange(0, 30)
supplyOn = bool(TRUE_PROBALITY[true])
fireAlert = bool(FALSE_PROBALITY[false])
temperature = random.random() * TEMEPERATURE
msg_txt_formatted = MSG_TXT % (supplyOn, fireAlert, temperature)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 70:
prop_map.add("extremeHeatAlert", "true")
else:
prop_map.add("extremeHeatAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
# Set up the callback method for direct method calls from the hub.
client.set_device_method_callback(
device_method_callback, None)
client.set_message_callback(receive_message_callback, RECEIVE_CONTEXT)
while True:
# Build the message with simulated telemetry values.
temperature = TEMPERATURE + (random.random() * 15)
humidity = HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(INTERVAL)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
temp = ''
while True:
# Build the message with simulated telemetry values.
msg = open(
"/home/pi/Desktop/project_master/cpp/output_files/data.json",
'r')
content = msg.read()
msg.close()
#or content=="[\n]" or content=="[]"
if (temp == content or content == ""):
continue
else:
message = IoTHubMessage(content)
temp = content
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback,
None)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
while True:
# Build the message with simulated telemetry values.
heartrate = ser.readline()
heartrate = heartrate.decode("utf8").strip()
msg_txt_formatted = MSG_TXT % (int(heartrate))
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if int(heartrate) > 140 and int(heartrate) < 50:
prop_map.add("heartrateAlert", "false")
else:
prop_map.add("heartrateAlert", "true")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def send_message(msg):
global payload3, payload4
#print("RAW message: %s" % msg)
# Case A: Em63 parameters
# messageA = IoTHubMessage(msg)
# print("Sending message: %s" % messageA.get_string() )
# clientA.send_event_async(messageA, send_confirmation_callback, None)
# Case B: dummy values
# date = datetime.now().strftime("%Y-%m-%dT%H:%M:%S")
# sin=2
# data = [{"Date": date, "Sinus": sin}]
# messageA = IoTHubMessage(json.dumps(data))
# print("Sending message: %s \n" % messageA.get_string() )
# clientA.send_event_async(messageA, send_confirmation_callback, None)
# Case C: Em63 parameters
# use a dictionary instead of a string
#topicstr1 = "WIMMS/EM63/DATE"
#topicstr2 = "WIMMS/EM63/@ActSimPara2"
MSG_TXT = "{\"%s\": %.2f,\"%s\": %.2f}"
#payload3=12
#payload4=2*payload3
msg_txt_formatted = MSG_TXT % (topicstr3, payload3, topicstr4, payload4)
messageA = IoTHubMessage(msg_txt_formatted)
if clientA:
print("Sending message: %s \n" % messageA.get_string() )
clientA.send_event_async(messageA, send_confirmation_callback, None)
else:
print("Skipping message to Azure. Not connected.")
def data_loop(sensor, pin):
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
count = 0
while True:
# Build the message with simulated telemetry values.
humidity, temperature = get_sensor_data(sensor, pin)
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Optional due to edgeHub error
message.message_id = "message_%d" % count
message.correlation_id = "correlation_%d" % count
count += 1
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 30:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
k = 0
res = ''
while True:
inp = ser.read()
if (inp.isdigit()):
res = res + inp
k = k + 1
if (k == 3):
#print(res)
heart_point = float(res)
#print(heart_point)
msg_txt_formatted = MSG_TXT % (heart_point)
message = IoTHubMessage(msg_txt_formatted)
print("Sending message: %s" % message.get_string())
client.send_event_async(message,
send_confirmation_callback, None)
time.sleep(1)
res = ''
k = 0
else:
if (res.isdigit()):
heart_point = float(res)
#print(heart_point)
msg_txt_formatted = MSG_TXT % (heart_point)
message = IoTHubMessage(msg_txt_formatted)
print("Sending message: %s" % message.get_string())
client.send_event_async(message,
send_confirmation_callback, None)
time.sleep(1)
#print(res)
res = ''
k = 0
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def iothub_client_telemetry_sample_run():
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
try:
temp = 0.01
hum = 0.01
[ temp,hum ] = dht(dht_sensor_port,0) #Get the temperature and Humidity from the DHT sensor
#Change the second parameter to 0 when using DHT (instead of DHT Pro)
#You will get very large number values if you don't!
if (CtoF(temp) != lastTemp) and (hum != lastHum) and not math.isnan(temp) and not math.isnan(hum):
#print("lowC : ",FtoC(tooLow),"C\t\t","rightC : ", FtoC(justRight),"C\t\t","highC : ",FtoC(tooHigh),"C") # comment these three lines
#print("lowF : ",tooLow,"F\t\tjustRight : ",justRight,"F\t\ttoHigh : ",tooHigh,"F") # if no monitor display
print("tempC : ", temp, "C\t\ttempF : ",CtoF(temp),"F\t\tHumidity =", hum,"%\r\n")
#lastHum = hum # save temp & humidity values so that there is no update to the RGB LCD
ftemp = CtoF(temp) # unless the value changes
ftemp = temp # unless the value changes
#lastTemp = ftemp # this reduces the flashing of the display
# print "ftemp = ",ftemp," temp = ",temp # this was just for test and debug
bgList = calcBG(ftemp) # Calculate background colors
t = str(ftemp) # "stringify" the display values
h = str(hum)
# print "(",bgList[0],",",bgList[1],",",bgList[2],")" # this was to test and debug color value list
setRGB(bgList[0],bgList[1],bgList[2]) # parse our list into the color settings
setText("Temp:" + t + "C " + "Humidity :" + h + "%") # update the RGB LCD display
# Build the message with real telemetry values.
temperature = temp
humidity = hum
msg_txt_formatted = MSG_TXT % (temperature, humidity)
message = IoTHubMessage(msg_txt_formatted)
# print("JSON payload = " + msg_txt_formatted)
#Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
#prop_map = message.properties()
#if temperature > 30:
# prop_map.add("temperatureAlert", "true")
#else:
# prop_map.add("temperatureAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(5)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
except (IOError,TypeError) as e:
print("Error" + str(e))
def onHttpRequestSave():
#request.form['rawData']
# Data Sample {'temperature': 'nan', 'humidity': 'nan'}
resp = request.get_json()
resp['EventTime'] = datetime.datetime.now().strftime("%I:%M%p %B %d, %Y")
payload = json.dumps(resp)
data_t = strftime("%Y-%m-%dT%H:%M:%S+00:00", gmtime())
#payload = '{ "data": '+payload+', "deviceId": "engine", "time": "'+data_t+'" }'
#payload = payload
print(payload, file=sys.stderr)
print(type(payload),file=sys.stderr)
headers = {
'Content-Type': "application/json",
'User-Agent': "PostmanRuntime/7.11.0",
'Accept': "*/*",
'Cache-Control': "no-cache",
'Postman-Token': "0fa806d0-eee9-4960-8984-941eb1d8a340,0f174457-1072-4871-a853-2c2c8224f3f8",
'Host': "us-central1-alwaystuned2019.cloudfunctions.net",
'accept-encoding': "gzip, deflate",
'content-length': "405",
'Connection': "keep-alive",
'cache-control': "no-cache"
}
response = requests.request("POST", url, data=payload, headers=headers)
print(response.text, file=sys.stderr)
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit", file=sys.stderr)
message = IoTHubMessage(payload)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
# Send the message.
print( "Sending message: %s" % message.get_string() , file=sys.stderr)
client.send_event_async(message, send_confirmation_callback, None)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error , file=sys.stderr)
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" , file=sys.stderr)
print(resp, file=sys.stderr)
return saveData()
def iothub_client_telemetry_sample_run(events, bike_ids, rack_ids):
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
#while True:
for event in events:
# Build the message with simulated telemetry values.
#temperature = TEMPERATURE + (random.random() * 15)
#humidity = HUMIDITY + (random.random() * 20)
#msg_txt_formatted = MSG_TXT % (temperature, humidity)
# message = IoTHubMessage(msg_txt_formatted)
# # Add a custom application property to the message.
# # An IoT hub can filter on these properties without access to the message body.
# prop_map = message.properties()
# if temperature > 30:
# prop_map.add("temperatureAlert", "true")
# else:
# prop_map.add("temperatureAlert", "false")
# # Send the message.
# print( "Sending message: %s" % message.get_string() )
# client.send_event_async(message, send_confirmation_callback, None)
# time.sleep(1)
timestamp = event.time.strftime("%y-%m-%d %H:%M:%S")
if event.type == Event.EventType.TAKE:
rack_number = event.src
else:
rack_number = event.dest
bike_number = event.bike
msg_txt_formatted = MSG_TXT % (timestamp, rack_number, bike_number, event.type)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
# prop_map = message.properties()
# if temperature > 30:
# prop_map.add("temperatureAlert", "true")
# else:
# prop_map.add("temperatureAlert", "false")
# Send the message.
print( "Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def report_output(frame, res_json):
json_string = json.dumps(res_json)
print("Classification output: " + json_string)
if enable_cloud_output:
message = IoTHubMessage(json_string)
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
if enable_local_jpeg_output:
now = datetime.datetime.now()
date_prefix = str(now).replace(" ", "_")
retval = cv2.imwrite(
os.path.join(local_output_dir, date_prefix + ".jpeg"), frame)
def iothub_client_post_message(file_name):
global ISSENDING
ISSENDING = True
while ISSENDING:
message_client = iothub_client_init(MESSAGE_PROTOCOL)
msg_txt_formatted = MSG_TXT % (DEVICEID, PROJECTNAME, file_name)
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("Sending message: %s" % message.get_string())
message_client.send_event_async(message, send_confirmation_callback,
None)
time.sleep(7)
def iothub_client_telemetry_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
while True:
# Build the message with simulated telemetry values.
for root, dirs, files in os.walk(FTP_DIR):
for file in files:
filePath = os.path.join(root, file)
print SENDING_FILES
lock.acquire()
if filePath in SENDING_FILES:
continue
lock.release()
try:
with open(filePath, "r") as json_file:
data = json.load(json_file)
stringData = json.dumps(data)
except (ValueError, IOError) as e:
time.sleep(0.1)
continue
message = IoTHubMessage(stringData)
# Send the message.
print( "Sending message: %s" % message.get_string() )
lock.acquire()
SENDING_FILES.append(filePath)
lock.release()
client.send_event_async(message, send_confirmation_callback, filePath)
time.sleep(0.5)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run(direction, counter):
try:
client = iothub_client_init()
# Build the message with simulated telemetry values.
msg_txt_formatted = MSG_TXT % (direction, counter)
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
def iothub_client_post_message():
global ISSENDING
ISSENDING = True
while ISSENDING:
client = IoTHubClient(HUB_CONNECTION_STRING, MESSAGE_PROTOCOL)
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
msg_txt_formatted = MSG_TXT % (DEVICEID, PROJECTNAME, FILENAME)
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(7)
def readValue():
# Turn on LCD backlight
mcp.output(3, 1)
lcd.begin(16, 2)
# Try to init client and send messages
try:
client = initHub()
print("IoT device sending messages, press Ctrl+C to exit")
while True:
# Read and print value at channel zero
value = analogRead(0)
# Value to water or not
toWater = False
# Display the value and format moisture in JSON
lcd.setCursor(0, 0)
lcd.message('Moisture: %d' % (value) + '\n')
if value > 200:
lcd.message('Please water!' + '\n')
msg_txt = MSG_TXT % (value)
toWater = True
elif value <= 200:
lcd.message('Still good :D' + '\n')
msg_txt = MSG_TXT % (value)
toWater = False
message = IoTHubMessage(msg_txt)
# Create row to be stored
rowToStore = [value, toWater]
# Open file and write
with open('waterLog.csv', 'a') as csvFile:
writer = csv.writer(csvFile)
writer.writerow(rowToStore)
# Close file after writing
csvFile.close()
# Send message
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(1)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
def iothub_client_telemetry_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
(chip_id, chip_version) = readBME280ID()
print "Chip ID :", chip_id
print "Version :", chip_version
temperature, pressure, humidity = readBME280All()
print "Temperature : ", temperature, "F"
print "Pressure : ", pressure, "hPa"
print "Humidity : ", humidity, "%"
# Build the message with simulated telemetry values.
##temperature = TEMPERATURE + (random.random() * 15)
##humidity = HUMIDITY + (random.random() * 20)
msg_txt_formatted = MSG_TXT % (temperature, pressure, humidity)
message = IoTHubMessage(msg_txt_formatted)
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if temperature > 60:
prop_map.add("temperatureAlert", "true")
else:
prop_map.add("temperatureAlert", "false")
(chip_id, chip_version) = readBME280ID()
print "Chip ID :", chip_id
print "Version :", chip_version
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
#sleep for 60 seconds so messages per day is under free IoT Hub max of 8000
time.sleep(60)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient stopped")
def bag_event(client, eventtype, bagid, partnerid, employeeid, storeid):
try:
msg_txt_formatted = MSG_TXT % (eventtype, bagid, partnerid, employeeid,
storeid, "", datetime.datetime.utcnow())
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("[%s] Bag %s is scaned wait for pipeline events" %
(eventtype, bagid))
print("%s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
interval = random.randrange(1, 5, 2)
time.sleep(interval)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print ( "IoT Hub device sending periodic messages, press Ctrl-C to exit" )
while True:
# Build the message with simulated telemetry values.
result = instance.read()
if result.is_valid():
temperature = result.temperature
humidity = result.humidity
print("Last valid input: " + str(datetime.datetime.now()))
print("Temperature: %-3.1f C" % result.temperature)
print("Humidity: %-3.1f %%" % result.humidity)
MSG_TXT = "The temperature is {0} and Humidity is {1}%".format(int(result.temperature) * 9/5+32 , result.humidity)
print(MSG_TXT)
msg_txt_formatted = {"temperature": temperature ,"humidity": humidity }
message = IoTHubMessage(str(msg_txt_formatted))
# Add a custom application property to the message.
# An IoT hub can filter on these properties without access to the message body.
prop_map = message.properties()
if int(temperature) > 30:
prop_map.add("temperatureAlert", "true")
print("Temp alert sent, too hot.")
elif int(temperature) < 30:
prop_map.add("temperatureAlert", "false")
print("Temp normal, no alert sent.")
# Send the message.
print( "Nick Mariano Azure Sending message: %s" % message.get_string() )
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(20)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
except KeyboardInterrupt:
print ( "IoTHubClient sample stopped" )
def iothub_client_telemetry_sample_run():
try:
client = iothub_client_init()
print("IoT Hub device sending periodic messages, press Ctrl-C to exit")
while True:
GPIO.output(TRIG, True) #Set TRIG as HIGH
time.sleep(0.00001) #Delay of 0.00001 seconds
GPIO.output(TRIG, False) #Set TRIG as LOW
while GPIO.input(ECHO) == 0: #Check whether the ECHO is LOW
pulse_start = time.time(
) #Saves the last known time of LOW pulse
while GPIO.input(ECHO) == 1: #Check whether the ECHO is HIGH
pulse_end = time.time(
) #Saves the last known time of HIGH pulse
pulse_duration = pulse_end - pulse_start #Get pulse duration to a variable
distance = pulse_duration * 17150 #Multiply pulse duration by 17150 to get distance
distance = round(distance, 2) - 0.5 #Round to two decimal points
if distance > 2 and distance < 400:
print("Distance:", distance, "cm")
else:
print("Out of range.")
msg_txt_formatted = MSG_TXT % (distance)
message = IoTHubMessage(msg_txt_formatted)
# Send the message.
print("Sending message: %s" % message.get_string())
client.send_event_async(message, send_confirmation_callback, None)
time.sleep(3)
except IoTHubError as iothub_error:
print("Unexpected error %s from IoTHub" % iothub_error)
return
except KeyboardInterrupt:
print("IoTHubClient sample stopped")
def on_message(client, userdata, msg):
my_payload = json.loads(msg.payload.decode("utf-8")[1:-1])
print('Msg received from topic={topic}\n{content}'.format(topic=msg.topic, content=my_payload))
if my_payload["name"] == "Tick":
print("\n---- Tick motion detected. Transferring data to Azure IoT backend ----")
msg_txt = "{\"deviceId\": \"%s\", \"probability\": %.2f}" % (my_payload["deviceId"], my_payload["selfProbability"])
# print( "Compiled message: %s" % msg_txt )
try:
# Send the message to Azure IoT Hub.
message = IoTHubMessage(msg_txt)
message.set_content_type_system_property("application/json")
# print(message.get_content_type_system_property())
print( "Sending message: %s" % message.get_string() )
azureclient.send_event_async(message, send_confirmation_callback, None)
except IoTHubError as iothub_error:
print ( "Unexpected error %s from IoTHub" % iothub_error )
return
