PyLinkbot3
PyLinkbot - A Python package for controlling Barobo Linkbots Contact: David Ko <david@barobo.com>
Linkbots are small modular robots designed to play an interactive role in computer science and mathematics curricula. More information may be found at http://www.barobo.com .
Requirements
This package makes extensive use of asyncio which is only available in Python 3.5 and greater.
This package also requires protobuf>=3.0.0b2 and PySfp.
Installation
The recommended way to install this package is through setuptools utilities, such as “easy_install” or “pip”. For example:
easy_install3 PyLinkbot3
or
pip3 install PyLinkbot3
Usage Options
This version of PyLinkbot3 can communicate with old SFP based baromeshd daemons and new websockets based daemons. By default, the library will search for an SFP based daemon located at localhost:42000. The following environment variables control this library’s behavior:
- LINKBOT_USE_SFP=1 # Makes PyLinkbot use the old SFP transport instead of
# WebSockets.
- LINKBOT_DAEMON_HOSTPORT=”hostname:port” # Makes PyLinkbot use the specified
# host:port as its daemon. For instance, if you want to use the daemon # running on a local linkbot-hub, set this environment variable to the # hostname and port of the linkbot hub.
CHANGES
Version 3.1.17
Removed PySfp requirement.
Version 3.1.16
Added CLinkbot.turn_left_nb() and CLinkbot.turn_right_nb()
Gave “radius” and “tracklength” arguments for turn_* functions default values of 1.75 and 3.7, respectively
Version 3.1.15
Added CLinkbot.turn_left() and CLinkbot.turn_right()
Fixed bug in move_wait() waiting for long running movements
Version 3.1.14
Added CLinkbot class.
Version 3.1.13
Added way to accept new robot connections by reading serial ID’s from an environment variable.
Version 3.1.12
Added method to reset peripherals on disconnect.
Version 3.1.11
Added drive_* functions to CLinkbot class, based on C-STEM API.
Version 3.1.10
Fixed bug where calling linkbot3.config() resets all config settings
Version 3.1.9
Added encoder event callbacks to CLinkbot
Changed PREX plotting to use plotly.js
Fixed bug setting daemon hostport via environment variable
Version 3.1.8
Changed serial ID in all code snippets to “ZRG6”
Fixed bug where _util.Config() sometimes ignores environment variables
Added top-level “linkbot” package; can now do “import linkbot”.
Version 3.1.7
Added Daemon.ping() method
Version 3.1.6
Fixed bug in begin_move()
Version 3.1.5
Fixed bug when calling Linkbot functions from within Linkbot event handlers
Fixed syntax error in Motor.move_wait()
Version 3.1.4
Getting serial ID’s retrieves it from the robot rather than relying on previously saved value
Version 3.1.3
Removed debugging message
Fixed blocking Linkbot event handlers stopping the World.
Version 3.1.2
Added “timeout” config option to set the default timeout for Linkbot communications.
Version 3.1.1
Pass linkbot3.scatter_plot() arguments directly to pyplot
Fixed bugs, syntax errors in CLinkbot
Version 3.1.0
Added “CLinkbot” API, which is styled more closely after the C-STEM C++ Linkbot API.
Added internal support for the Prex communications channel for remote execution.
Version 3.0.7
Added the linkbot3.scatter_plot() function
Increased default robot timeout to 30 seconds
Fixed “Dongle not found” error message
Added Linkbot.reboot()
Version 3.0.6
Fixed daemon connection process
Added some more documentation snippets
Version 3.0.5
Added Motors.set_powers()
Fixed motor event handler
Version 3.0.4
Internal bugfixes
Version 3.0.3
Made everything compatible with Python 3.4.2
Added Motor.angle()
Added Led.set_color_code()
Added Linkbot.disconnect()
Updated plot demo
Version 3.0.2
Added daemon object
Version 3.0.1
Fixed syntax error
1 maintainer
Metadata
1 maintainer
Release files for PyLinkbot3 3.2.2
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Release files / PyLinkbot3-3.2.2.tar.gz
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