Interface for interacting with Hottop KN-8828b-2k+ roasters
Project description
pyHottop gives you the power to control your Hottop KN-8828b-2k+ roaster directly through python code. This library is meant to be used within applications and should not be used by itself to conduct a roast. Questions, comments or for support needs, please use the issues page on Github.
Getting Started
In order to interact with your Hottop roaster, you need to ensure your model has a USB-serial port which comes standard with the KN-8828b-2k+.
Install the CP210x USB driver to read from the serial port:
https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers
Install the pyHotop module:
pip install pyhottop or python setup.py install
Plug your Hottop roaster into your laptop.
Test connectivity to the roaster by running the diagnostic utility:
pyhottop-test test
Features
This library provides full control of the Hottop roaster. Built-in callback functionality allows you to build applications that decouple the processing logic from the library from the core of your application.
- Stream Hottop readings
Easy-to-use callbacks that return readings
Adjustable polling interval
Human-readable settings
Flexible collection of data
Debugging interface
- Control the Hottop directly
Heater settings
Fan speeds
Drum motor toggle
Cooling motor toggle
Solenoid (drum door) toggle
Chaff tray (detection) reader
- Auto-discover roaster connection
Loops over USB connections to find the proper serial
Changelog
2017-12-10
Bugfix: Removed the reset on start as it clears any properties set by the user
2017-12-06
Change: Keep the drum on by default to avoid any stalls
2017-12-03
Change: Wrap the buffer read and pull from cache if it continues to fail
Change: Adjusted lower bound temperature to 50
Feature: Reset all the roast settings when starting a roast
2017-12-02
Bugfix: Called the proper logging object on buffer measurement
Change: Added raw buffer responses to the event log
Feature: Added a validate routine to the buffer read to account for inaccurate responses from the roaster
Feature: Automatically derive charge and turning point events based on temperature data
2017-12-01
Bugfix: Turned drum motor on when doing a cool-down to push beans out
2017-11-29
Bugfix: Replaced existing extenal_temp with environment_temp
Bugfix: Fixed issue with buffer retry loop where it was not being called
Change: Adjusted default interval to 1 second to avoid buffer issues
Change: Toggle serial connection if having trouble reading buffer
2017-11-28
Change: Adjusted duration to be of format MM:SS instead of total seconds
Change: Return roast state when toggling monitoring
2017-11-24
Feature: several new methods for getting additional roast details
Change: Refactored code related to tracking roast properties and timing
Change: Updated documentation within the code
Bugfix: when running with python3 due to queue library
Project details
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