# Create an indicator LED on GPIO pin 17
led = LED(17)
# Create the Temperature Sensor on GPIO pin 4
temperatureSensor = TemperatureSensor(4)
# Dictionary to hold Temperature Sensor data
temperatureData = {}
# Sit in a loop reading the sensors every sampleTime, convert result to JSON, and POST to the Web API
while True:
# Turn LED ON
led.on()
# Read the Temperature Sensor
temperatureSensor.read()
if temperatureSensor.valid:
# Save the Temperature Sensor results in a Temperature Data Object
temperatureData["deviceID"] = deviceID
temperatureData["temperature"] = temperatureSensor.temperatureF
temperatureData["humidity"] = temperatureSensor.humidity
temperatureData["pressure"] = 0
# Print results to the console if in debug mode
if debug:
print("Sampled at %s Temperature: %.2f F Humidity: %.2f" % (str(datetime.datetime.now()), temperatureData["temperature"], temperatureData["humidity"]))
# Convert the Temperature Data Object to JSON string
strj = json.dumps(temperatureData, ensure_ascii=False)
# POST the JSON results to the RESTful Web API using HTTP Basic Authentication
from time import sleep
from Wifi import is_connected
from Server import Server
from TemperatureSensor import TemperatureSensor
from config import config
if not is_connected():
print('No connection found, exiting...')
exit()
sensor = TemperatureSensor(pin_id=config['sensor']['pin'])
server = Server(
host=config['server']['host'],
port=config['server']['port'],
)
while True:
temperatures = sensor.read()
if not temperatures:
print('Error while reading temperatures, exiting...')
exit()
print('Temperatures read:', temperatures)
server.post('sensor/' + config['sensor']['id'],
{'temperature': temperatures[0]})
sleep(config['measure']['period'])
