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CHANGELOG.md

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2024-10-29 Andrew Dorey

  • 2.5.1 Updated installation instructions in README files.

2024-08-13 Andrew Dorey

  • 2.5.0 Cleaned up code. Fixed PEP8 formatting issues. Fixed spelling mistakes. Changed Expander Pi ADC clock speed to 1MHz to increase sample rate.

2023-12-27 Andrew Dorey

  • 2.4.9 Added pyproject.toml file to allow the use of python3 build. Updated documentation.

2023-10-10 Andrew Dorey

  • 2.4.8 Added Orange Pi Zero 2 support for I2C based expansion boards.

2023-02-04 Andrew Dorey

  • 2.4.7 Updates to IO Pi and Expander Pi documentation.

2022-12-27 Andrew Dorey

  • 2.4.6 Updated spelling and grammar in the ReadMe files and code comments.

2022-04-23 Andrew Dorey

  • 2.4.5 Added a new library for the IO Zero 32 expansion board.

2021-11-19 Andrew Dorey

  • 2.4.4 Added new IO Pi Zero demo file demo_ioreadzero.py

2021-10-26 Andrew Dorey

  • 2.4.3 Added more exception handling to the ADC Pi class.

2020-12-22 Andrew Dorey

  • 2.4.2 Added bus parameter to the ADC Differential Pi, ADC Pi, Expander Pi, I2C Switch, RTC Pi and Servo Pi classes to allow for setting the I2C bus manually.

2020-12-21 Andrew Dorey

  • 2.4.2 Added bus parameter to the IO Pi class to allow for setting the I2C bus manually.

2020-09-02 Andrew Dorey

  • 2.4.1 Added support for Banana Pi BPI M2 Zero on Raspbian

2020-08-31 Andrew Dorey

  • 2.4.0 Fixed bug in Expander Pi library.

2020-08-24 Andrew Dorey

  • 2.3.9 Added support for Banana Pi BPI M2 Zero on Ubuntu

2020-07-12 Andrew Dorey

  • 2.3.8 Expander Pi bug fix. Added missing __updatebyte() function.

2020-07-12 Andrew Dorey

  • 2.3.7 Updates to ADC Pi and ADC Differential Pi libraries. Updated read_voltage and read_raw to check if the channel is out of bounds.

2020-07-05 omstaal

  • 2.3.6 Bug fix in ADC Pi library. Setting channel 0 or negative in read_raw in ADCPi did not raise a ValueError.

2020-06-20 Andrew Dorey

  • 2.3.5 Updates to IO Pi and Expander Pi libraries. Added get_ functions for each device register. Refactored code to reduce repetition in pin, port and bus methods. Added unit tests for the IO Pi library.

2020-06-17 Andrew Dorey

  • 2.3.4 Added get_port_direction(), get_port_pullups() and get_port_polarity() into the IO Pi and Expander Pi libraries.

2020-06-07 Andrew Dorey

  • 2.3.3 Fixed read_pin() bug in IO Pi and Expander Pi libraries.

2020-06-05 Andrew Dorey

  • 2.3.2 Fixed bugs in IO Pi and Expander Pi libraries.

2020-06-03 Andrew Dorey

  • 2.3.2 Updates to the Expander Pi class. Added new methods for accessing whole IO bus directly, set_bus_direction(), set_bus_pullups(), write_bus(), read_bus(), invert_bus(), set_interrupt_on_bus(). Updated docstrings for all libraries to use Sphinx format.

2020-06-01 Andrew Dorey

  • 2.3.1 Updates to the IO Pi class. Changed method docstrings to use Sphinx format. Added new methods for accessing whole bus directly, set_bus_direction(), set_bus_pullups(), write_bus(), read_bus(), invert_bus(), set_interrupt_on_bus().

2020-05-19 Andrew Dorey

  • 2.3.0 Updated the Servo Pi class to check if the RPI.GPIO mode has already been set.

2020-05-06 Andrew Dorey

  • 2.2.9 Updated the ADC Pi and ADC Differential Pi classes. Added a class definition for TimeoutError to add support for Python 2.7.

2020-02-02 Andrew Dorey

  • 2.2.8 Updated the ADC Expander Pi ADC class. Reduced the SPI speed to improve accuracy.

2020-01-23 Andrew Dorey

  • 2.2.7 Updated the ADC Differential Pi and ADC Pi libraries to improve the performance in threaded applications. Added new speed test demos.

2019-11-28 Andrew Dorey

  • 2.2.6 Added library for the 4-channel I2C switch.

2019-08-05 Andrew Dorey

  • 2.2.5 Updated Expander Pi demos for the ADC and IO. demo_adcread.py now reads all 8 channels.

2019-03-14 Andrew Dorey

  • 2.2.4 Updated all I2C-based libraries to use smbus2 by default with a fallback to python-smbus if smbus2 is not available. This update makes the libraries compatible with Python 3.6 and later.

2019-02-20 Andrew Dorey

  • 2.2.3 Add two new IO Pi tutorials, tutorial3.py and tutorial4.py. Removed tutorial3_rpi_interrupts.py.

2019-02-17 Andrew Dorey

  • 2.2.2 Updated the IO Pi interrupts demo and the IO Pi readme to improve the clarity of what each function does.

2018-11-06 Andrew Dorey

  • 2.2.1 Fixed a bug in the regex code in all of the I2C-based libraries which detects the model of Raspberry Pi being used.

2018-09-28 Andrew Dorey

  • 2.2.0 Updates to Servo Pi library adding a reset option to the servo class and updated readme to include usage examples for the PWM and Servo classes.

2018-08-17 Andrew Dorey

  • 2.1.9 Updates to Servo Pi library adding new functions for putting the device to sleep and offsetting the pulse value.

2018-08-17 Andrew Dorey

  • 2.1.8 Updates to Servo Pi library adding new functions to get the values from PWM and servo positions and improve the accuracy of the clock using a calibration parameter.

2018-05-22 Alan Kinnaman

  • 2.1.7 With this change, an error will be thrown if a channel numbered 0 or lower is specified.

2018-05-21 Alan Kinnaman

  • 2.1.6 If the ADC is defective, it might never set the ready flag. With this change, an exception is raised if the ADC doesn’t set the ready bit within a reasonable amount of time.

2018-04-26 qpeten

  • 2.1.5 When importing this library in a project which does not use the SPI bus, the library raised an exception on import. This commit fixes that bug by moving the access to the SPI bus to init().

2018-03-15 Andrew Dorey

  • 2.1.4 Added support for the Orange Pi PC Plus.

2018-03-07 Andrew Dorey

  • 2.1.3 Added a new demo for the ADC Pi to read values from two ADC Pi boards and write them to a log file.

2018-01-21 Andrew Dorey

  • 2.1.2 Fixed several bugs with the ADC Pi and ADC Differential Pi libraries where the wrong channel was read if the channels were selected in a certain order..

2018-01-17 Andrew Dorey

  • 2.1.1 A new demo showing how to use a button to toggle the state of a variable.

2018-01-03 Andrew Dorey

  • 2.1.0 Added new functions for getting the port direction, pull-up status and polarity for the IO bus.

2017-12-24 Andrew Dorey

  • 2.0.9 Added MQTT read server and client demos. Bug fix on sensor data.

2017-12-23 Andrew Dorey

  • 2.0.8 Added MQTT demos.

2017-10-14 Andrew Dorey

  • 2.0.7 Bug fixes for the interrupt tutorial.

2017-09-12 Andrew Dorey

  • 2.0.6 Fixed a bug with the ServoPi Servo class where it was not validating the channel number correctly.

2017-08-05 Andrew Dorey

  • 2.0.5 Changed ADC Pi library so config variables are not stored in a byte array.

2017-08-05 Andrew Dorey

  • 2.0.5 Changed ADC Pi library so config variables are not stored in a byte array.

2017-08-01 Andrew Dorey

  • 2.0.4 Fixed several bugs with the Expander Pi library where it was saving the wrong values during any pin read or write operation.

2017-07-31 Andrew Dorey

  • 2.0.3 Fixed several bugs with the IO Pi library where it was saving the wrong values during any pin read or write operation.

2017-07-29 Andrew Dorey

  • 2.0.2 Updates to the ServoPi library.
  • ServoPi - Added Servo class.
  • ServoPi - Changed the channel parameters for the PWM and Servo class to 1 to 16 instead of 0 to 15. This now matches the channel numbering on the Servo PWM Pi Zero.
  • ServoPi - Added parameter checks for function inputs.
  • ServoPi - updated demo_servomove.py to use the new Servo class.

2017-07-24 Andrew Dorey

  • 2.0.1 Fixed a bug with the init.py files where the import would work in Python 2 but fail in Python 3.

2017-07-07 Andrew Dorey

  • 2.0.0 Major Update
    Classes renamed: removed ABE_ from all class names.
    ABE_ADCDACPi > ADCDACPi
    ABE_ADCDifferentialPi > ADCDifferentialPi
    ABE_ADCPi > ADCPi
    ABE_DeltaSigmaPi > DeltaSigmaPi
    ABE_ExpanderPi > ExpanderPi
    ABE_IOPi > IOPi
    ABE_RTCPi > RTCPi
    ABE_ServoPi > ServoPi
  • Updated all classes and demo files to be PEP8 compliant
  • All classes and demo files are now compatible with Python 2 and 3.
  • Added init files to all folders.
  • Added setup.py into the root folder to install the package into the correct folder.
  • Moved all demo files into demo sub-folders for each class
  • Demo files have been rewritten to automatically try and import the parent class from the system library and then if that fails it will import it from the parent folder.
  • Replaced all instances of print within the classes and changed it to raise an exception when an error occurs.
  • Optimised the set_dac_raw() function in the ADCDACPi and ExpanderPi classes to give a 48% speed improvement.
  • ADCPi - Integrated the ABE_Helper.py into the ADCPi class. Various optimisations to reduce the number of function calls during each ADC sample operation. Added new speed test demo.
  • ADC Differential Pi - Same changes as the ADC Pi class.
  • Removed the Delta-Sigma class. For Delta-Sigma Pi users please use the ADC Differential Pi class which is functionally identical.
  • Expander Pi - Various optimisations to make the class fully PEP8 compliant
  • IO Pi - Integrated the ABE_Helper.py into the IOPi class.
  • RTC Pi - Integrated the ABE_Helper.py into the RTC class.
  • Servo Pi - Integrated the ABE_Helper.py into the PWM class.
  • Various small bug fixes and spelling mistakes fixed

2017-07-01 Andrew Dorey

  • 1.6.2 Fixed formatting on README.md

2017-06-30 Andrew Dorey

  • 1.6.1 Fixed whitespace issue.

2017-06-12 Andrew Dorey

  • 1.6.0 Fixed mistake in comments.

2017-06-11 Andrew Dorey

  • 1.5.9 Small fixes to the IO section of the readme.
  • Updated Expander Pi Library

2017-06-10 Andrew Dorey

  • 1.5.8 Fixed mistake in readme.

2017-04-21 Andrew Dorey

  • 1.5.7 Bug Fix
  • Updated the adc speed demo.

2017-02-12 Brian Dorey

  • 1.5.6 Added support for other platforms.

2017-02-07 Brian Dorey

  • 1.5.5 Fixed a bug with the IO address.

2017-02-03 Brian Dorey

  • 1.5.4 New GUI demo.

2017-01-26 Brian Dorey

  • 1.5.3 Minor fixes.
  • New RTC memory demo.

2017-01-03 Brian Dorey

  • 1.5.2 updated readme.
  • Added new functions for reading and writing to the RTC memory.

2016-11-30 Brian Dorey

  • 1.5.1 Updated DAC demos.

2016-10-16 Brian Dorey

  • 1.5.0 Bug fix.

2016-08-03 Brian Dorey

  • 1.4.9 Added get_signbit function.

2016-07-25 Andrew Dorey

  • 1.4.8 Updated URLs.

2016-07-19 Andrew Dorey

  • 1.4.7 Minor text changes to comments.
  • Added data logger example.

2016-06-26 Andrew Dorey

  • 1.4.6 Bug fixes

2016-06-24 Andrew Dorey

  • 1.4.5 Updated read_adc_voltage() and read_adc_raw().

2016-06-13 Andrew Dorey

  • 1.4.4 Updated the Expander Pi library.

2016-05-18 Andrew Dorey

  • 1.4.3 Fixed error with the clock frequency.

2016-04-28 Brian Dorey

  • 1.4.2 Fixed error in readme.

2016-01-23 Brian Dorey

  • 1.4.1 Merge pull request #8 from moeskerv/master.

2016-01-23 Volker Moesker

  • 1.4.0 fixed non-working RTC out configuration.

2016-01-19 Brian Dorey

  • 1.3.9 New functions added to the Servo Pi library.

2016-01-12 Brian Dorey

  • 1.3.8 New ADC speed test.
  • Bug Fixes

2015-11-24 Brian Dorey

  • 1.3.7 New Interrupts tutorial.

2015-11-21 Brian Dorey

  • 1.3.6 Removed demo-iopiread2.py.

2015-10-30 Brian Dorey

  • 1.3.5 Bug fix.
  • New thermometer Demo.

2015-10-09 Brian Dorey

  • 1.3.4 Bug Fix on invert_pin.

2015-10-04 Brian Dorey

  • 1.3.3 New demo for the ADXL335 accelerometer.

2015-10-01 Brian Dorey

  • 1.3.2 New ADC Differential Pi library.

2015-09-06 Brian Dorey

  • 1.3.1 Updated demos and readme.
  • Merge pull request #7 from NealTheGitGuy/feature/add_dac_gain_mode.

2015-09-05 Neal Buchmeyer

  • 1.3.0 ADCDACPi: Adjust max voltage out based on gain factor.
  • ADCDACPi: Bounds check DAC voltage based on max achievable voltage.
  • ADCDACPi: Added the ability to configure DAC gain factor.

2015-07-01 Andrew Dorey

  • 1.2.9 Fixed spelling mistake.

2015-06-30 Andrew Dorey

  • 1.2.9 Updated variable names.

2015-06-26 Andrew Dorey

  • 1.2.8 Small text change.
  • New IO threading example.

2015-06-09 Andrew Dorey

  • 1.2.7 Fixed bug with the ADC conversion.

2015-05-20 Andrew Dorey

  • 1.2.6 Updates to HIH4000 demo.
  • Added new demo files.

2015-03-29 Andrew Dorey

  • Added conversion mode function.

2015-03-17 Andrew Dorey

  • 1.2.5 Fixed spelling mistake.

2015-02-25 Andrew Dorey

  • 1.2.4 New read-write demo for the IO Pi.

2015-02-23 Brian Dorey

  • 1.2.3 Updated readme.

2015-01-20 Brian Dorey

  • 1.2.2 Added error detection.

2015-01-19 Brian Dorey

  • 1.2.1 Bug fixes.
  • Updated comments.

2014-12-09 Brian Dorey

  • 1.2.0 Bug fixes.

2014-11-28 Brian Dorey

  • 1.1.9 Updated IO Pi tutorials.

2014-11-27 Brian Dorey

  • 1.1.8 Updated IOPi tutorial.
  • Updated readme.
  • New Python Libraries.

2014-11-08 Andrew Dorey

  • 1.1.7 Bug fixes and new test script.

2014-11-07 Andrew Dorey

  • 1.1.6 Bug Fix.

2014-11-03 Andrew Dorey

  • 1.1.5 Bug Fix.

2014-10-07 Andrew Dorey

  • 1.1.4 Bug fix on the readVoltage method.

2014-08-21 Andrew Dorey

  • 1.1.3 Added new Expander Pi library.

2014-07-15 Andrew Dorey

  • 1.1.2 Added ACS712 Demo.

2014-05-23 Andrew Dorey

  • 1.1.1 Optimised ADC Pi library.

2014-05-19 Andrew Dorey

  • 1.1.0 Updated README.md.
  • New RTC Pi library.

2014-05-18 Andrew Dorey

  • 1.0.9 Updated README.md files.
  • Update ABElectronics_ServoPi.py.

2014-05-17 Andrew Dorey

  • 1.0.8 New ADCDAC library.
  • Update README.md.

2014-05-11 Andrew Dorey

  • 1.0.7 New tutorial for the IO Pi.
  • Bug fix in IO Pi library.
  • Added data logger demo.
  • IO Pi tutorials added.

2014-05-10 Brian Dorey

  • 1.0.6 Update README.md.

2014-05-09 Andrew Dorey

  • 1.0.5 Updated ADC-Pi and Delta-Sigma Pi libraries and README.md.

2014-05-07 Brian Dorey

  • 1.0.4 Update README.md and fixed spelling mistakes.

2014-05-02 Andrew Dorey

  • 1.0.3 Updated IO Pi library.

2014-04-03 Brian Dorey

  • 1.0.2 Update to servo pi code.

2014-02-09 Brian Dorey

  • 1.0.1 Added IOPi lib and demos.

2014-02-01 Brian Dorey

  • 1.0.0 Upload of initial code.