Does not look like I can attach a file to the post, so here is the UV Sensor integrated with AWS IoT.
indent preformatted text by 4 spaces
#!/usr/bin/env python
#
# This is the code for Grove - UV Sensor
# (https://www.seeedstudio.com/Grove-UV-Sensor-p-1540.html)
#
# This is the library used with Grove Base Hat for RPi.
'''
## License
The MIT License (MIT)
Grove Base Hat for the Raspberry Pi, used to connect grove sensors.
Copyright (C) 2018 Seeed Technology Co.,Ltd.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN
THE SOFTWARE.
'''
from __future__ import print_function
import time, sys, signal, atexit, json
from upm import pyupm_veml6070 as veml6070
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
#thingName = 'UVSensor'
#clientId = 'UVSensor'
#endpoint = 'a3pujgfo1m12iq-ats.iot.us-west-2.amazonaws.com'
#rootCA = '/usr/local/lib/python3.7/dist-packages/grove/Certs/AmazonRootCA1.pem'
#cert = '/usr/local/lib/python3.7/dist-packages/grove/Certs/b4f241635b-certificate.pem.crt'
#key = '/usr/local/lib/python3.7/dist-packages/grove/Certs/b4f241635b-private.pem.key'
#port = 8883
thingName = 'RaspberryPi001'
clientId = 'RaspberryPi001'
endpoint = 'a3pujgfo1m12iq-ats.iot.us-west-2.amazonaws.com'
rootCA = '/usr/local/lib/python3.7/dist-packages/grove/Certs/AmazonRootCA1.pem'
cert = '/usr/local/lib/python3.7/dist-packages/grove/Certs/96c23c7d37-certificate.pem.crt'
key = '/usr/local/lib/python3.7/dist-packages/grove/Certs/96c23c7d37-private.pem.key'
port = 8883
def main():
# Instantiate a Vishay UV Sensor on the I2C bus 0
veml6070_sensor = veml6070.VEML6070(0);
## Exit handlers ##
# This function stops python from printing a stacktrace when you hit control-C
def SIGINTHandler(signum, frame):
raise SystemExit
# This function lets you run code on exit, including functions from abpdrrt005pg2a5
def exitHandler():
print("Exiting")
sys.exit(0)
# Register exit handlers
atexit.register(exitHandler)
signal.signal(signal.SIGINT, SIGINTHandler)
# Read the value every second and detect the pressure
while(1):
UVLevel = veml6070_sensor.getUVIntensity()
#print("UVLevel: " + str(UVLevel))
print("UV* Value: {0}".format(veml6070_sensor.getUVIntensity()))
# Create message payload
payload = {"state":{"reported":{"UVIntensity":int(UVLevel)}}}
# Update shadow
deviceShadowHandler.shadowUpdate(json.dumps(payload),
customShadowCallback_Update, 5)
time.sleep(10)
# Function called when a shadow is updated
def customShadowCallback_Update(payload, responseStatus, token):
# Display status and data from update request
if responseStatus == "timeout":
print("Update request " + token + " time out!")
if responseStatus == "accepted":
payloadDict = json.loads(payload)
print("~~~~~~~~~~~~~~~~~~~~~~~")
print("Update request with token: " + token + " accepted!")
print("UV Level: " + str(payloadDict["state"]["reported"]["UVIntensity"]))
print("~~~~~~~~~~~~~~~~~~~~~~~\n\n")
if responseStatus == "rejected":
print("Update request " + token + " rejected!")
# Function called when a shadow is deleted
def customShadowCallback_Delete(payload, responseStatus, token):
# Display status and data from delete request
if responseStatus == "timeout":
print("Delete request " + token + " time out!")
if responseStatus == "accepted":
print("~~~~~~~~~~~~~~~~~~~~~~~")
print("Delete request with token: " + token + " accepted!")
print("~~~~~~~~~~~~~~~~~~~~~~~\n\n")
if responseStatus == "rejected":
print("Delete request " + token + " rejected!")
# Configure logging
# AWSIoTMQTTShadowClient writes data to the log
def configureLogging():
logger = logging.getLogger("AWSIoTPythonSDK.core")
logger.setLevel(logging.DEBUG)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(endpoint, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCA, key, cert)
# AWSIoTMQTTShadowClient connection configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a device shadow handler, use this to update and delete shadow document
deviceShadowHandler =
myAWSIoTMQTTShadowClient.createShadowHandlerWithName(thingName, True)
# Delete current shadow JSON doc
# deviceShadowHandler.shadowDelete(customShadowCallback_Delete, 5)
if __name__ == '__main__':
main()
