Initial release

LICENSE

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+Copyright 2019 Sabeur Lafi
+
+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.

Readme.md

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+# Project Title
+
+One Paragraph of project description goes here
+
+## Getting Started
+
+These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.
+
+## Application Configuration
+
+These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.
+
+| Parameter        | Description           | Default Value  |
+| :-------------: |:-------------| :-----:|
+| host      | The MQTT broker hostname | mqtt.helium.com |
+| port     | The MQTT broker host port |   18103 |
+| username | The username attached to the Helium account |     |
+| secret | The password attached to the Helium account |     |
+| mac_address | The Helium atom MAC address |     |
+| topic | The MQTT topic attached to the Helium atom |     |
+| database | The name of the SQLite database | voltazero_database.db |
+| db_mode | The mode of the SQLite database<br/> 1. *create*: if the SQLite database does not exist, create it<br/> 2. *append*: if the SQLite exists append it. If not, report an access error |    create |
+| time_window     | The time interval used by the viewer to show telemetry (in seconds) |   300 |
+
+### Prerequisites
+
+What things you need to install the software and how to install them
+
+```
+Give examples
+```
+
+### Installing
+
+A step by step series of examples that tell you how to get a development env running
+
+Say what the step will be
+
+```
+Give the example
+```
+
+And repeat
+
+```
+until finished
+```
+
+End with an example of getting some data out of the system or using it for a little demo
+
+## Running the tests
+
+Explain how to run the automated tests for this system
+
+### Break down into end to end tests
+
+Explain what these tests test and why
+
+```
+Give an example
+```
+
+### And coding style tests
+
+Explain what these tests test and why
+
+```
+Give an example
+```
+
+## Deployment
+
+Add additional notes about how to deploy this on a live system
+
+## Built With
+
+* [Dropwizard](http://www.dropwizard.io/1.0.2/docs/) - The web framework used
+* [Maven](https://maven.apache.org/) - Dependency Management
+* [ROME](https://rometools.github.io/rome/) - Used to generate RSS Feeds
+
+## Contributing
+
+Please read [CONTRIBUTING.md](https://gist.github.com/PurpleBooth/b24679402957c63ec426) for details on our code of conduct, and the process for submitting pull requests to us.
+
+## Versioning
+
+We use [SemVer](http://semver.org/) for versioning. For the versions available, see the [tags on this repository](https://github.com/your/project/tags). 
+
+## Authors
+
+* **Billie Thompson** - *Initial work* - [PurpleBooth](https://github.com/PurpleBooth)
+
+See also the list of [contributors](https://github.com/your/project/contributors) who participated in this project.
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details
+
+## Acknowledgments
+
+* Hat tip to anyone whose code was used
+* Inspiration
+* etc

app.py

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+from multiprocessing import Process, Queue
+
+import os
+import sys
+import threading
+import time
+
+# Import custom subpackages
+from core import config, monitor
+from common import utils, logger, recorder, database
+
+
+import pkgutil
+import os.path
+
+if __name__ == '__main__':
+
+    ## Clear console
+    utils.clear_console()
+
+    ## Initialize the logger
+    logger = logger.get_logger('voltazero_monitor')
+
+    dirpath = os.getcwd()
+    print(f"Current directory is: {dirpath}")
+    print(f"Main ID: {os.getpid()}")
+
+    ## Initialization
+    config_file = "./core/config.json"
+
+    ## Setup telemetry queue
+    q = Queue()
+
+    ## Read app config
+    appConfig = config.AppConfig(config_file)
+    rc = appConfig.load_app_config()
+
+    if rc == -1:
+        print(f'The configuration file cannot be found!')
+        sys.exit()
+    elif rc == -2:
+        print(f'An exception has occured. Application will stop!')
+        sys.exit()
+
+    ## Establish connectivity to the MQTT broker
+    pmonitor = monitor.Monitor(appConfig, q, client_id="cp100")
+    pmonitor.start()
+
+    ## Initialize and start database recorder
+    precorder = recorder.Recorder(q, appConfig, interval=60.0, batch_size=20)
+    precorder.start()
+
+    time.sleep(60)
+
+    ## Stop the monitor process
+    pmonitor.terminate()
+    pmonitor.join()
+
+    ## Stop the recorder thread
+    precorder.stop()
+    precorder.join()
+
+    ## Load data from the queue
+    data = []
+
+    while not q.empty():
+        data.append(q.get())
+
+    print(data)
+
+    ## Launch telemetry viewer
+    #p = Process(target=f, args=('bob',))
+    #p.start()
+    #p.join()

common/__init__.py

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+
+from common import *