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# SPDX-FileCopyrightText: 2021 Adafruit Industries
#
# SPDX-License-Identifier: MIT
Thank you for contributing! Before you submit a pull request, please read the following.
Make sure any changes you're submitting are in line with the CircuitPython Design Guide, available here: https://circuitpython.readthedocs.io/en/latest/docs/design_guide.html
If your changes are to documentation, please verify that the documentation builds locally by following the steps found here: https://adafru.it/build-docs
Before submitting the pull request, make sure you've run Pylint and Black locally on your code. You can do this manually or using pre-commit. Instructions are available here: https://adafru.it/check-your-code
Please remove all of this text before submitting. Include an explanation or list of changes included in your PR, as well as, if applicable, a link to any related issues.

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: MIT
name: Build CI
on: [pull_request, push]
jobs:
test:
runs-on: ubuntu-latest
steps:
- name: Dump GitHub context
env:
GITHUB_CONTEXT: ${{ toJson(github) }}
run: echo "$GITHUB_CONTEXT"
- name: Translate Repo Name For Build Tools filename_prefix
id: repo-name
run: |
echo ::set-output name=repo-name::$(
echo ${{ github.repository }} |
awk -F '\/' '{ print tolower($2) }' |
tr '_' '-'
)
- name: Set up Python 3.7
uses: actions/setup-python@v1
with:
python-version: 3.7
- name: Versions
run: |
python3 --version
- name: Checkout Current Repo
uses: actions/checkout@v1
with:
submodules: true
- name: Checkout tools repo
uses: actions/checkout@v2
with:
repository: adafruit/actions-ci-circuitpython-libs
path: actions-ci
- name: Install dependencies
# (e.g. - apt-get: gettext, etc; pip: circuitpython-build-tools, requirements.txt; etc.)
run: |
source actions-ci/install.sh
- name: Pip install pylint, Sphinx, pre-commit
run: |
pip install --force-reinstall pylint Sphinx sphinx-rtd-theme pre-commit
- name: Library version
run: git describe --dirty --always --tags
- name: Setup problem matchers
uses: adafruit/circuitpython-action-library-ci-problem-matchers@v1
- name: Pre-commit hooks
run: |
pre-commit run --all-files
- name: Build assets
run: circuitpython-build-bundles --filename_prefix ${{ steps.repo-name.outputs.repo-name }} --library_location .
- name: Archive bundles
uses: actions/upload-artifact@v2
with:
name: bundles
path: ${{ github.workspace }}/bundles/
- name: Check For docs folder
id: need-docs
run: |
echo ::set-output name=docs::$( find . -wholename './docs' )
- name: Build docs
if: contains(steps.need-docs.outputs.docs, 'docs')
working-directory: docs
run: sphinx-build -E -W -b html . _build/html
- name: Check For setup.py
id: need-pypi
run: |
echo ::set-output name=setup-py::$( find . -wholename './setup.py' )
- name: Build Python package
if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
run: |
pip install --upgrade setuptools wheel twine readme_renderer testresources
python setup.py sdist
python setup.py bdist_wheel --universal
twine check dist/*

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# SPDX-FileCopyrightText: 2021 Scott Shawcroft for Adafruit Industries
#
# SPDX-License-Identifier: MIT
name: Failure help text
on:
workflow_run:
workflows: ["Build CI"]
types:
- completed
jobs:
post-help:
runs-on: ubuntu-latest
if: ${{ github.event.workflow_run.conclusion == 'failure' && github.event.workflow_run.event == 'pull_request' }}
steps:
- name: Post comment to help
uses: adafruit/circuitpython-action-library-ci-failed@v1

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: MIT
name: Release Actions
on:
release:
types: [published]
jobs:
upload-release-assets:
runs-on: ubuntu-latest
steps:
- name: Dump GitHub context
env:
GITHUB_CONTEXT: ${{ toJson(github) }}
run: echo "$GITHUB_CONTEXT"
- name: Translate Repo Name For Build Tools filename_prefix
id: repo-name
run: |
echo ::set-output name=repo-name::$(
echo ${{ github.repository }} |
awk -F '\/' '{ print tolower($2) }' |
tr '_' '-'
)
- name: Set up Python 3.6
uses: actions/setup-python@v1
with:
python-version: 3.6
- name: Versions
run: |
python3 --version
- name: Checkout Current Repo
uses: actions/checkout@v1
with:
submodules: true
- name: Checkout tools repo
uses: actions/checkout@v2
with:
repository: adafruit/actions-ci-circuitpython-libs
path: actions-ci
- name: Install deps
run: |
source actions-ci/install.sh
- name: Build assets
run: circuitpython-build-bundles --filename_prefix ${{ steps.repo-name.outputs.repo-name }} --library_location .
- name: Upload Release Assets
# the 'official' actions version does not yet support dynamically
# supplying asset names to upload. @csexton's version chosen based on
# discussion in the issue below, as its the simplest to implement and
# allows for selecting files with a pattern.
# https://github.com/actions/upload-release-asset/issues/4
#uses: actions/upload-release-asset@v1.0.1
uses: csexton/release-asset-action@master
with:
pattern: "bundles/*"
github-token: ${{ secrets.GITHUB_TOKEN }}
upload-pypi:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v1
- name: Check For setup.py
id: need-pypi
run: |
echo ::set-output name=setup-py::$( find . -wholename './setup.py' )
- name: Set up Python
if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
uses: actions/setup-python@v1
with:
python-version: '3.x'
- name: Install dependencies
if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
run: |
python -m pip install --upgrade pip
pip install setuptools wheel twine
- name: Build and publish
if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
env:
TWINE_USERNAME: ${{ secrets.pypi_username }}
TWINE_PASSWORD: ${{ secrets.pypi_password }}
run: |
python setup.py sdist
# After the dist file is packaged, extract it, update the __version__
# lines and repackage it.
cd dist
ZIP_FILE=`ls | sed -e "s/\.tar\.gz$//"`
echo "ZIP FILE = ${ZIP_FILE}"
tar xzf "${ZIP_FILE}.tar.gz"
echo The latest release version is \"${{github.event.release.tag_name}}\".
# Don't descend into ./.env, ./.eggs, or ./docs
for file in $(find -not -path "./.*" -not -path "./docs*" -name "*.py"); do
sed -i -e "s/0.0.0-auto.0/${{github.event.release.tag_name}}/" $file;
done;
tar czf "${ZIP_FILE}.tar.gz" "${ZIP_FILE}"
rm -rf "${ZIP_FILE}"
cd ..
twine upload dist/*

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
*.mpy
.idea
__pycache__
_build
*.pyc
.env
.python-version
build*/
bundles
*.DS_Store
.eggs
dist
**/*.egg-info
.vscode

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# SPDX-FileCopyrightText: 2020 Diego Elio Pettenò
#
# SPDX-License-Identifier: Unlicense
repos:
- repo: https://github.com/python/black
rev: 20.8b1
hooks:
- id: black
- repo: https://github.com/fsfe/reuse-tool
rev: v0.12.1
hooks:
- id: reuse
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v2.3.0
hooks:
- id: check-yaml
- id: end-of-file-fixer
- id: trailing-whitespace
- repo: https://github.com/pycqa/pylint
rev: pylint-2.7.1
hooks:
- id: pylint
name: pylint (library code)
types: [python]
exclude: "^(docs/|examples/|tests/|setup.py$)"
- repo: local
hooks:
- id: pylint_examples
name: pylint (examples code)
description: Run pylint rules on "examples/*.py" files
entry: /usr/bin/env bash -c
args: ['([[ ! -d "examples" ]] || for example in $(find . -path "./examples/*.py"); do pylint --disable=missing-docstring,invalid-name $example; done)']
language: system
- id: pylint_tests
name: pylint (tests code)
description: Run pylint rules on "tests/*.py" files
entry: /usr/bin/env bash -c
args: ['([[ ! -d "tests" ]] || for test in $(find . -path "./tests/*.py"); do pylint --disable=missing-docstring $test; done)']
language: system

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
[MASTER]
# A comma-separated list of package or module names from where C extensions may
# be loaded. Extensions are loading into the active Python interpreter and may
# run arbitrary code
extension-pkg-whitelist=
# Add files or directories to the ignore-list. They should be base names, not
# paths.
ignore=CVS
# Add files or directories matching the regex patterns to the ignore-list. The
# regex matches against base names, not paths.
ignore-patterns=
# Python code to execute, usually for sys.path manipulation such as
# pygtk.require().
#init-hook=
# Use multiple processes to speed up Pylint.
jobs=1
# List of plugins (as comma separated values of python modules names) to load,
# usually to register additional checkers.
load-plugins=
# Pickle collected data for later comparisons.
persistent=yes
# Specify a configuration file.
#rcfile=
# Allow loading of arbitrary C extensions. Extensions are imported into the
# active Python interpreter and may run arbitrary code.
unsafe-load-any-extension=no
[MESSAGES CONTROL]
# Only show warnings with the listed confidence levels. Leave empty to show
# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
confidence=
# Disable the message, report, category or checker with the given id(s). You
# can either give multiple identifiers separated by comma (,) or put this
# option multiple times (only on the command line, not in the configuration
# file where it should appear only once).You can also use "--disable=all" to
# disable everything first and then reenable specific checks. For example, if
# you want to run only the similarities checker, you can use "--disable=all
# --enable=similarities". If you want to run only the classes checker, but have
# no Warning level messages displayed, use"--disable=all --enable=classes
# --disable=W"
# disable=import-error,print-statement,parameter-unpacking,unpacking-in-except,old-raise-syntax,backtick,long-suffix,old-ne-operator,old-octal-literal,import-star-module-level,raw-checker-failed,bad-inline-option,locally-disabled,locally-enabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,apply-builtin,basestring-builtin,buffer-builtin,cmp-builtin,coerce-builtin,execfile-builtin,file-builtin,long-builtin,raw_input-builtin,reduce-builtin,standarderror-builtin,unicode-builtin,xrange-builtin,coerce-method,delslice-method,getslice-method,setslice-method,no-absolute-import,old-division,dict-iter-method,dict-view-method,next-method-called,metaclass-assignment,indexing-exception,raising-string,reload-builtin,oct-method,hex-method,nonzero-method,cmp-method,input-builtin,round-builtin,intern-builtin,unichr-builtin,map-builtin-not-iterating,zip-builtin-not-iterating,range-builtin-not-iterating,filter-builtin-not-iterating,using-cmp-argument,eq-without-hash,div-method,idiv-method,rdiv-method,exception-message-attribute,invalid-str-codec,sys-max-int,bad-python3-import,deprecated-string-function,deprecated-str-translate-call
disable=print-statement,parameter-unpacking,unpacking-in-except,old-raise-syntax,backtick,long-suffix,old-ne-operator,old-octal-literal,import-star-module-level,raw-checker-failed,bad-inline-option,locally-disabled,locally-enabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,apply-builtin,basestring-builtin,buffer-builtin,cmp-builtin,coerce-builtin,execfile-builtin,file-builtin,long-builtin,raw_input-builtin,reduce-builtin,standarderror-builtin,unicode-builtin,xrange-builtin,coerce-method,delslice-method,getslice-method,setslice-method,no-absolute-import,old-division,dict-iter-method,dict-view-method,next-method-called,metaclass-assignment,indexing-exception,raising-string,reload-builtin,oct-method,hex-method,nonzero-method,cmp-method,input-builtin,round-builtin,intern-builtin,unichr-builtin,map-builtin-not-iterating,zip-builtin-not-iterating,range-builtin-not-iterating,filter-builtin-not-iterating,using-cmp-argument,eq-without-hash,div-method,idiv-method,rdiv-method,exception-message-attribute,invalid-str-codec,sys-max-int,bad-python3-import,deprecated-string-function,deprecated-str-translate-call,import-error,bad-continuation,pointless-string-statement
# Enable the message, report, category or checker with the given id(s). You can
# either give multiple identifier separated by comma (,) or put this option
# multiple time (only on the command line, not in the configuration file where
# it should appear only once). See also the "--disable" option for examples.
enable=
[REPORTS]
# Python expression which should return a note less than 10 (10 is the highest
# note). You have access to the variables errors warning, statement which
# respectively contain the number of errors / warnings messages and the total
# number of statements analyzed. This is used by the global evaluation report
# (RP0004).
evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
# Template used to display messages. This is a python new-style format string
# used to format the message information. See doc for all details
#msg-template=
# Set the output format. Available formats are text, parseable, colorized, json
# and msvs (visual studio).You can also give a reporter class, eg
# mypackage.mymodule.MyReporterClass.
output-format=text
# Tells whether to display a full report or only the messages
reports=no
# Activate the evaluation score.
score=yes
[REFACTORING]
# Maximum number of nested blocks for function / method body
max-nested-blocks=5
[LOGGING]
# Logging modules to check that the string format arguments are in logging
# function parameter format
logging-modules=logging
[SPELLING]
# Spelling dictionary name. Available dictionaries: none. To make it working
# install python-enchant package.
spelling-dict=
# List of comma separated words that should not be checked.
spelling-ignore-words=
# A path to a file that contains private dictionary; one word per line.
spelling-private-dict-file=
# Tells whether to store unknown words to indicated private dictionary in
# --spelling-private-dict-file option instead of raising a message.
spelling-store-unknown-words=no
[MISCELLANEOUS]
# List of note tags to take in consideration, separated by a comma.
# notes=FIXME,XXX,TODO
notes=FIXME,XXX
[TYPECHECK]
# List of decorators that produce context managers, such as
# contextlib.contextmanager. Add to this list to register other decorators that
# produce valid context managers.
contextmanager-decorators=contextlib.contextmanager
# List of members which are set dynamically and missed by pylint inference
# system, and so shouldn't trigger E1101 when accessed. Python regular
# expressions are accepted.
generated-members=
# Tells whether missing members accessed in mixin class should be ignored. A
# mixin class is detected if its name ends with "mixin" (case insensitive).
ignore-mixin-members=yes
# This flag controls whether pylint should warn about no-member and similar
# checks whenever an opaque object is returned when inferring. The inference
# can return multiple potential results while evaluating a Python object, but
# some branches might not be evaluated, which results in partial inference. In
# that case, it might be useful to still emit no-member and other checks for
# the rest of the inferred objects.
ignore-on-opaque-inference=yes
# List of class names for which member attributes should not be checked (useful
# for classes with dynamically set attributes). This supports the use of
# qualified names.
ignored-classes=optparse.Values,thread._local,_thread._local
# List of module names for which member attributes should not be checked
# (useful for modules/projects where namespaces are manipulated during runtime
# and thus existing member attributes cannot be deduced by static analysis. It
# supports qualified module names, as well as Unix pattern matching.
ignored-modules=board
# Show a hint with possible names when a member name was not found. The aspect
# of finding the hint is based on edit distance.
missing-member-hint=yes
# The minimum edit distance a name should have in order to be considered a
# similar match for a missing member name.
missing-member-hint-distance=1
# The total number of similar names that should be taken in consideration when
# showing a hint for a missing member.
missing-member-max-choices=1
[VARIABLES]
# List of additional names supposed to be defined in builtins. Remember that
# you should avoid to define new builtins when possible.
additional-builtins=
# Tells whether unused global variables should be treated as a violation.
allow-global-unused-variables=yes
# List of strings which can identify a callback function by name. A callback
# name must start or end with one of those strings.
callbacks=cb_,_cb
# A regular expression matching the name of dummy variables (i.e. expectedly
# not used).
dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
# Argument names that match this expression will be ignored. Default to name
# with leading underscore
ignored-argument-names=_.*|^ignored_|^unused_
# Tells whether we should check for unused import in __init__ files.
init-import=no
# List of qualified module names which can have objects that can redefine
# builtins.
redefining-builtins-modules=six.moves,future.builtins
[FORMAT]
# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
# expected-line-ending-format=
expected-line-ending-format=LF
# Regexp for a line that is allowed to be longer than the limit.
ignore-long-lines=^\s*(# )?<?https?://\S+>?$
# Number of spaces of indent required inside a hanging or continued line.
indent-after-paren=4
# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
# tab).
indent-string=' '
# Maximum number of characters on a single line.
max-line-length=100
# Maximum number of lines in a module
max-module-lines=1000
# List of optional constructs for which whitespace checking is disabled. `dict-
# separator` is used to allow tabulation in dicts, etc.: {1 : 1,\n222: 2}.
# `trailing-comma` allows a space between comma and closing bracket: (a, ).
# `empty-line` allows space-only lines.
no-space-check=trailing-comma,dict-separator
# Allow the body of a class to be on the same line as the declaration if body
# contains single statement.
single-line-class-stmt=no
# Allow the body of an if to be on the same line as the test if there is no
# else.
single-line-if-stmt=no
[SIMILARITIES]
# Ignore comments when computing similarities.
ignore-comments=yes
# Ignore docstrings when computing similarities.
ignore-docstrings=yes
# Ignore imports when computing similarities.
ignore-imports=yes
# Minimum lines number of a similarity.
min-similarity-lines=12
[BASIC]
# Naming hint for argument names
argument-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct argument names
argument-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Naming hint for attribute names
attr-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct attribute names
attr-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Bad variable names which should always be refused, separated by a comma
bad-names=foo,bar,baz,toto,tutu,tata
# Naming hint for class attribute names
class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
# Regular expression matching correct class attribute names
class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
# Naming hint for class names
# class-name-hint=[A-Z_][a-zA-Z0-9]+$
class-name-hint=[A-Z_][a-zA-Z0-9_]+$
# Regular expression matching correct class names
# class-rgx=[A-Z_][a-zA-Z0-9]+$
class-rgx=[A-Z_][a-zA-Z0-9_]+$
# Naming hint for constant names
const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$
# Regular expression matching correct constant names
const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
# Minimum line length for functions/classes that require docstrings, shorter
# ones are exempt.
docstring-min-length=-1
# Naming hint for function names
function-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct function names
function-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Good variable names which should always be accepted, separated by a comma
# good-names=i,j,k,ex,Run,_
good-names=r,g,b,w,i,j,k,n,x,y,z,ex,ok,Run,_
# Include a hint for the correct naming format with invalid-name
include-naming-hint=no
# Naming hint for inline iteration names
inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$
# Regular expression matching correct inline iteration names
inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
# Naming hint for method names
method-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct method names
method-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Naming hint for module names
module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
# Regular expression matching correct module names
module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
# Colon-delimited sets of names that determine each other's naming style when
# the name regexes allow several styles.
name-group=
# Regular expression which should only match function or class names that do
# not require a docstring.
no-docstring-rgx=^_
# List of decorators that produce properties, such as abc.abstractproperty. Add
# to this list to register other decorators that produce valid properties.
property-classes=abc.abstractproperty
# Naming hint for variable names
variable-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
# Regular expression matching correct variable names
variable-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
[IMPORTS]
# Allow wildcard imports from modules that define __all__.
allow-wildcard-with-all=no
# Analyse import fallback blocks. This can be used to support both Python 2 and
# 3 compatible code, which means that the block might have code that exists
# only in one or another interpreter, leading to false positives when analysed.
analyse-fallback-blocks=no
# Deprecated modules which should not be used, separated by a comma
deprecated-modules=optparse,tkinter.tix
# Create a graph of external dependencies in the given file (report RP0402 must
# not be disabled)
ext-import-graph=
# Create a graph of every (i.e. internal and external) dependencies in the
# given file (report RP0402 must not be disabled)
import-graph=
# Create a graph of internal dependencies in the given file (report RP0402 must
# not be disabled)
int-import-graph=
# Force import order to recognize a module as part of the standard
# compatibility libraries.
known-standard-library=
# Force import order to recognize a module as part of a third party library.
known-third-party=enchant
[CLASSES]
# List of method names used to declare (i.e. assign) instance attributes.
defining-attr-methods=__init__,__new__,setUp
# List of member names, which should be excluded from the protected access
# warning.
exclude-protected=_asdict,_fields,_replace,_source,_make
# List of valid names for the first argument in a class method.
valid-classmethod-first-arg=cls
# List of valid names for the first argument in a metaclass class method.
valid-metaclass-classmethod-first-arg=mcs
[DESIGN]
# Maximum number of arguments for function / method
max-args=5
# Maximum number of attributes for a class (see R0902).
# max-attributes=7
max-attributes=11
# Maximum number of boolean expressions in a if statement
max-bool-expr=5
# Maximum number of branch for function / method body
max-branches=12
# Maximum number of locals for function / method body
max-locals=15
# Maximum number of parents for a class (see R0901).
max-parents=7
# Maximum number of public methods for a class (see R0904).
max-public-methods=20
# Maximum number of return / yield for function / method body
max-returns=6
# Maximum number of statements in function / method body
max-statements=50
# Minimum number of public methods for a class (see R0903).
min-public-methods=1
[EXCEPTIONS]
# Exceptions that will emit a warning when being caught. Defaults to
# "Exception"
overgeneral-exceptions=Exception

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
python:
version: 3
requirements_file: requirements.txt

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<!--
SPDX-FileCopyrightText: 2014 Coraline Ada Ehmke
SPDX-FileCopyrightText: 2019-2021 Kattni Rembor
SPDX-License-Identifier: CC-BY-4.0
-->
# CircuitPython Community Code of Conduct
## Our Pledge
In the interest of fostering an open and welcoming environment, we as
contributors and leaders pledge to making participation in our project and
our community a harassment-free experience for everyone, regardless of age, body
size, disability, ethnicity, gender identity and expression, level or type of
experience, education, socio-economic status, nationality, personal appearance,
race, religion, or sexual identity and orientation.
## Our Standards
We are committed to providing a friendly, safe and welcoming environment for
all.
Examples of behavior that contributes to creating a positive environment
include:
* Be kind and courteous to others
* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Collaborating with other community members
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery and sexual attention or advances
* The use of inappropriate images, including in a community member's avatar
* The use of inappropriate language, including in a community member's nickname
* Any spamming, flaming, baiting or other attention-stealing behavior
* Excessive or unwelcome helping; answering outside the scope of the question
asked
* Discussion or promotion of activities or projects that intend or pose a risk of
significant harm
* Trolling, insulting/derogatory comments, and personal or political attacks
* Promoting or spreading disinformation, lies, or conspiracy theories against
a person, group, organisation, project, or community
* Public or private harassment
* Publishing others' private information, such as a physical or electronic
address, without explicit permission
* Other conduct which could reasonably be considered inappropriate
The goal of the standards and moderation guidelines outlined here is to build
and maintain a respectful community. We ask that you don’t just aim to be
"technically unimpeachable", but rather try to be your best self.
We value many things beyond technical expertise, including collaboration and
supporting others within our community. Providing a positive experience for
other community members can have a much more significant impact than simply
providing the correct answer.
## Our Responsibilities
Project leaders are responsible for clarifying the standards of acceptable
behavior and are expected to take appropriate and fair corrective action in
response to any instances of unacceptable behavior.
Project leaders have the right and responsibility to remove, edit, or
reject messages, comments, commits, code, issues, and other contributions
that are not aligned to this Code of Conduct, or to ban temporarily or
permanently any community member for other behaviors that they deem
inappropriate, threatening, offensive, or harmful.
## Moderation
Instances of behaviors that violate the CircuitPython Community Code of Conduct
may be reported by any member of the community. Community members are
encouraged to report these situations, including situations they witness
involving other community members.
You may report in the following ways:
In any situation, you may email the project maintainer.
Email reports will be kept confidential.
In situations on GitHub where the issue is particularly offensive, possibly
illegal, requires immediate action, or violates the GitHub terms of service,
you should also report the message directly to GitHub via the comment, or via
[GitHub Support](https://support.github.com/contact/report-abuse?category=report-abuse&report=other&report_type=unspecified).
These are the steps for upholding our community’s standards of conduct.
1. Any member of the community may report any situation that violates the
CircuitPython Community Code of Conduct. All reports will be reviewed and
investigated.
2. If the behavior is a severe violation, the community member who
committed the violation may be banned immediately, without warning.
3. Otherwise, moderators will first respond to such behavior with a warning.
4. Moderators follow a soft "three strikes" policy - the community member may
be given another chance, if they are receptive to the warning and change their
behavior.
5. If the community member is unreceptive or unreasonable when warned by a
moderator, or the warning goes unheeded, they may be banned for a first or
second offense. Repeated offenses will result in the community member being
banned.
6. Disciplinary actions (warnings, bans, etc) for Code of Conduct violations apply
to the platform where the violation occurred. However, depending on the severity
of the violation, the disciplinary action may be applied across CircuitPython's
other community platforms. For example, a severe violation in one Community forum
may result in a ban on not only the CircuitPython GitHub organisation,
but also on the CircuitPython Twitter, live stream text chats, etc.
## Scope
This Code of Conduct and the enforcement policies listed above apply to all
CircuitPython Community venues. This includes but is not limited to any community
spaces (both public and private), and CircuitPython repositories. Examples of
CircuitPython Community spaces include but are not limited to meet-ups, issue
threads on GitHub, text chats during a live stream, or interaction at a conference.
This Code of Conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community. As a community
member, you are representing our community, and are expected to behave
accordingly.
## Attribution
This Code of Conduct is adapted from the
[Adafruit Community Code of Conduct](https://github.com/adafruit/Adafruit_Community_Code_of_Conduct),
which is adapted from the [Contributor Covenant](https://www.contributor-covenant.org/),
version 1.4, available on [contributor-covenant.org](https://www.contributor-covenant.org/version/1/4/code-of-conduct.html),
and the [Rust Code of Conduct](https://www.rust-lang.org/en-US/conduct.html).
For other projects adopting the CircuitPython Community Code of
Conduct, please contact the maintainers of those projects for enforcement.
If you wish to use this code of conduct for your own project, consider
explicitly mentioning your moderation policy or making a copy with your
own moderation policy so as to avoid confusion.

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The MIT License (MIT)
Copyright (c) 2021 Arofarn
Permission is hereby granted, free of charge, to any person obtaining a copy
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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.

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MIT License Copyright (c) <year> <copyright holders>
Permission is hereby granted, free of charge, to any person obtaining a copy
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This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute
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In jurisdictions that recognize copyright laws, the author or authors of this
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please refer to <https://unlicense.org/>

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Introduction
============
.. image:: https://readthedocs.org/projects/circuitpython-trellism4_extended/badge/?version=latest
:target: https://circuitpython-trellism4_extended.readthedocs.io/
:alt: Documentation Status
.. image:: https://img.shields.io/discord/327254708534116352.svg
:target: https://adafru.it/discord
:alt: Discord
.. image:: https://github.com/arofarn/CircuitPython_Org_TrellisM4_extended/workflows/Build%20CI/badge.svg
:target: https://github.com/arofarn/CircuitPython_Org_TrellisM4_extended/actions
:alt: Build Status
.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
:target: https://github.com/psf/black
:alt: Code Style: Black
CircuitPython library to extended Adafruit NeotrellisM4 board with two Neotrellis seesaw boards (or more !).
Dependencies
=============
This driver depends on:
* `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
* `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_
Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading
`the Adafruit library and driver bundle <https://circuitpython.org/libraries>`.
Usage Example
=============
::
import time
from board import SCL, SDA
import busio
from adafruit_neotrellis.neotrellis import NeoTrellis
from adafruit_neotrellis.multitrellis import MultiTrellis
from neotrellism4 import NeoTrellisM4
#create the i2c object for the trellis
I2C = busio.I2C(SCL, SDA)
# Create the trellis. This is for a 2x2 array of TrellisM4 (first row) with
# 2 Neotrellis (second row).
#
# [ NeoM4_left | NeoM4_right ]
# neotrellis0 | neotrellis1
trellim4_left = NeoTrellisM4()
trellim4_right = NeoTrellisM4(left_part=trellim4_left)
trelli = [
[trellim4_left, trellim4_right],
[NeoTrellis(I2C, False, addr=0x2F), NeoTrellis(I2C, False, addr=0x2E)]
]
trellis = MultiTrellis(trelli)
#some color definitions
OFF = (0, 0, 0)
RED = (127, 0, 0)
YELLOW = (127, 75, 0)
GREEN = (0, 127, 0)
CYAN = (0, 127, 127)
BLUE = (0, 0, 127)
PURPLE = (90, 0, 127)
#this will be called when button events are received
def blink(xcoord, ycoord, edge):
#turn the LED on when a rising edge is detected
if edge == NeoTrellis.EDGE_RISING:
trellis.color(xcoord, ycoord, BLUE)
#turn the LED off when a rising edge is detected
elif edge == NeoTrellis.EDGE_FALLING:
trellis.color(xcoord, ycoord, OFF)
for y in range(8):
for x in range(8):
# activate rising edge events on all keys
print(x, y)
trellis.activate_key(x, y, NeoTrellis.EDGE_RISING)
# activate falling edge events on all keys
trellis.activate_key(x, y, NeoTrellis.EDGE_FALLING)
trellis.set_callback(x, y, blink)
trellis.color(x, y, PURPLE)
time.sleep(.05)
for y in range(8):
for x in range(8):
trellis.color(x, y, OFF)
time.sleep(.05)
while True:
#the trellis can only be read every 17 millisecons or so
trellis.sync()
time.sleep(.02)
Contributing
============
Contributions are welcome! Please read our `Code of Conduct
<https://github.com/arofarn/CircuitPython_Org_TrellisM4_extended/blob/HEAD/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.
Documentation
=============
For information on building library documentation, please check out
`this guide <https://learn.adafruit.com/creating-and-sharing-a-circuitpython-library/sharing-our-docs-on-readthedocs#sphinx-5-1>`_.

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SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
SPDX-License-Identifier: MIT

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SPDX-FileCopyrightText: 2018 Phillip Torrone for Adafruit Industries
SPDX-License-Identifier: CC-BY-4.0

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.. If you created a package, create one automodule per module in the package.
.. If your library file(s) are nested in a directory (e.g. /adafruit_foo/foo.py)
.. use this format as the module name: "adafruit_foo.foo"
.. automodule:: trellism4_extended
:members:

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SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
SPDX-License-Identifier: MIT

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# -*- coding: utf-8 -*-
# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
#
# SPDX-License-Identifier: MIT
import os
import sys
sys.path.insert(0, os.path.abspath(".."))
# -- General configuration ------------------------------------------------
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
"sphinx.ext.autodoc",
"sphinx.ext.intersphinx",
"sphinx.ext.napoleon",
"sphinx.ext.todo",
]
# TODO: Please Read!
# Uncomment the below if you use native CircuitPython modules such as
# digitalio, micropython and busio. List the modules you use. Without it, the
# autodoc module docs will fail to generate with a warning.
# autodoc_mock_imports = ["digitalio", "busio"]
intersphinx_mapping = {
"python": ("https://docs.python.org/3.4", None),"BusDevice": ("https://circuitpython.readthedocs.io/projects/busdevice/en/latest/", None),
"CircuitPython": ("https://circuitpython.readthedocs.io/en/latest/", None),
}
# Show the docstring from both the class and its __init__() method.
autoclass_content = "both"
# Add any paths that contain templates here, relative to this directory.
templates_path = ["_templates"]
source_suffix = ".rst"
# The master toctree document.
master_doc = "index"
# General information about the project.
project = "CircuitPython TrellisM4_extended Library"
copyright = "2021 Arofarn"
author = "Arofarn"
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = "1.0"
# The full version, including alpha/beta/rc tags.
release = "1.0"
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = [
"_build",
"Thumbs.db",
".DS_Store",
".env",
"CODE_OF_CONDUCT.md",
]
# The reST default role (used for this markup: `text`) to use for all
# documents.
#
default_role = "any"
# If true, '()' will be appended to :func: etc. cross-reference text.
#
add_function_parentheses = True
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = "sphinx"
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
# If this is True, todo emits a warning for each TODO entries. The default is False.
todo_emit_warnings = True
napoleon_numpy_docstring = False
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
on_rtd = os.environ.get("READTHEDOCS", None) == "True"
if not on_rtd: # only import and set the theme if we're building docs locally
try:
import sphinx_rtd_theme
html_theme = "sphinx_rtd_theme"
html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), "."]
except:
html_theme = "default"
html_theme_path = ["."]
else:
html_theme_path = ["."]
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ["_static"]
# The name of an image file (relative to this directory) to use as a favicon of
# the docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#
html_favicon = "_static/favicon.ico"
# Output file base name for HTML help builder.
htmlhelp_basename = "CircuitPython_Trellism4_extended_Librarydoc"
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
# 'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
# 'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
# 'preamble': '',
# Latex figure (float) alignment
# 'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(
master_doc,
"CircuitPython_TrellisM4_extended_Library.tex",
"CircuitPython TrellisM4_extended Library Documentation",
author,
"manual",
),
]
# -- Options for manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(
master_doc,
"CircuitPython_TrellisM4_extended_Library",
"CircuitPython TrellisM4_extended Library Documentation",
[author],
1,
),
]
# -- Options for Texinfo output -------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(
master_doc,
"CircuitPython_TrellisM4_extended_Library",
"CircuitPython TrellisM4_extended Library Documentation",
author,
"CircuitPython_TrellisM4_extended_Library",
"One line description of project.",
"Miscellaneous",
),
]

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Simple test
------------
Ensure your device works with this simple test.
.. literalinclude:: ../examples/trellism4_extended_simpletest.py
:caption: examples/trellism4_extended_simpletest.py
:linenos:

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SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
SPDX-License-Identifier: MIT

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.. include:: ../README.rst
Table of Contents
=================
.. toctree::
:maxdepth: 4
:hidden:
self
.. toctree::
:caption: Examples
examples
.. toctree::
:caption: API Reference
:maxdepth: 3
api
.. toctree::
:caption: Tutorials
.. todo:: Add any Learn guide links here. If there are none, then simply delete this todo and leave
the toctree above for use later.
.. toctree::
:caption: Related Products
.. todo:: Add any product links here. If there are none, then simply delete this todo and leave
the toctree above for use later.
.. toctree::
:caption: Other Links
Download <https://github.com/arofarn/CircuitPython_TrellisM4_extended/releases/latest>
CircuitPython Reference Documentation <https://circuitpython.readthedocs.io>
CircuitPython Support Forum <https://forums.adafruit.com/viewforum.php?f=60>
Discord Chat <https://adafru.it/discord>
Adafruit Learning System <https://learn.adafruit.com>
Adafruit Blog <https://blog.adafruit.com>
Adafruit Store <https://www.adafruit.com>
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`

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SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
SPDX-License-Identifier: MIT

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
#
# SPDX-License-Identifier: Unlicense

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# SPDX-FileCopyrightText: 2020 Diego Elio Pettenò
#
# SPDX-License-Identifier: Unlicense
[tool.black]
target-version = ['py35']

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
#
# SPDX-License-Identifier: MIT
Adafruit-Blinka
adafruit-circuitpython-busdevice
adafruit_seesaw
adafruit_matrixkeypad

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
#
# SPDX-License-Identifier: MIT
Adafruit-Blinka
adafruit-circuitpython-busdevice
adafruit_seesaw

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
#
# SPDX-License-Identifier: MIT
"""
This library is not deployed to PyPI. It is either a board-specific helper library, or
does not make sense for use on or is incompatible with single board computers and Linux.
"""

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
#
# SPDX-License-Identifier: MIT
"""
`trellism4_extended`
================================================================================
CircuitPython library to extended Adafruit NeotrellisM4 board with two Neotrellis seesaw boards (or more !).
* Author(s): arofarn
Implementation Notes
--------------------
**Hardware:**
* Adafruit NeoTrellis M4 Express: https://www.adafruit.com/product/3938
* Adafruit NeoTrellis RGB Driver PCB for 4x4 Keypad :https://www.adafruit.com/product/3954
**Software and Dependencies:**
* Adafruit CircuitPython firmware for the supported boards:
https://github.com/adafruit/circuitpython/releases
* Adafruit CircuitPython bus_devices library (from Adafruit_CircuitPython_Bundle):
https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases
"""
# imports
__version__ = "0.0.0-auto.0"
__repo__ = "https://github.com/arofarn/CircuitPython_TrellisM4_extended.git"
import board
import digitalio
from micropython import const
from adafruit_seesaw.keypad import KeyEvent
from adafruit_matrixkeypad import Matrix_Keypad
from neopixel import NeoPixel
_NEO_TRELLIS_NUM_ROWS = const(4)
_NEO_TRELLIS_NUM_COLS = const(4)
_NEO_TRELLIS_NUM_KEYS = const(16)
# _NEO_TRELLIS_MAX_CALLBACKS = const(32)
_TRELLISM4_LEFT_PART = const(0)
_TRELLISM4_RIGHT_PART = const(4)
def _key(xval):
return int(int(xval/4)*8 + (xval%4))
def _seesaw_key(xval):
return int(int(xval/8)*4 + (xval%8))
def _to_seesaw_key(xval):
return int(xval + (xval // 4) * 4)
class _TrellisNeoPixel:
"""Neopixel driver
"""
# Lots of stuff come from Adafruit_CircuitPython_seesaw/neopixel.py
def __init__(self, auto_write=True, brightness=1.0,
part=_TRELLISM4_LEFT_PART, left_part=None):
if part == _TRELLISM4_LEFT_PART:
self.pix = NeoPixel(board.NEOPIXEL, 32, auto_write=False, brightness=brightness)
elif part == _TRELLISM4_RIGHT_PART:
self.pix = left_part.pix
self.auto_write = auto_write
self._offset = part
def __setitem__(self, key, color):
self.pix[_key(key) + self._offset] = color
if self.auto_write:
self.show()
def __getitem__(self, key):
return self.pix[_key(key) + self._offset]
def fill(self, color):
"""Fill method wrapper
"""
# Suppress auto_write while filling.
current_auto_write = self.auto_write
self.auto_write = False
for i in range(16):
self[i] = color
if current_auto_write:
self.show()
self.auto_write = current_auto_write
def show(self):
"""Fill method wrapper
"""
self.pix.show()
class _TrellisKeypad:
"""Simple Keypad object for Trellis M4
No pixel, no rotation
Key numbers : 0 - 15"""
def __init__(self, part=_TRELLISM4_LEFT_PART, row_pins=None):
self._offset = part
col_pins = []
for x in range(self._offset, self._offset + _NEO_TRELLIS_NUM_COLS):
col_pin = digitalio.DigitalInOut(getattr(board, "COL{}".format(x)))
col_pins.append(col_pin)
if part == _TRELLISM4_LEFT_PART:
self.row_pins = []
for y in range(_NEO_TRELLIS_NUM_ROWS):
row_pin = digitalio.DigitalInOut(getattr(board, "ROW{}".format(y)))
self.row_pins.append(row_pin)
elif part == _TRELLISM4_RIGHT_PART:
if row_pins is None:
raise ValueError("Missing row_pins list for the right part")
self.row_pins = row_pins
else:
raise ValueError("part arg should be 0 (left part) or 4 (right part)")
key_names = []
for y in range(4):
row = []
for x in range(4):
row.append(4 * x + y)
key_names.append(row) # Keys of each halves is numbered from 0-15
self._matrix = Matrix_Keypad(col_pins, self.row_pins, key_names)
@property
def pressed_keys(self):
"""A list of tuples of currently pressed button coordinates.
.. code-block:: python
import time
import adafruit_trellism4
trellis = adafruit_trellism4.TrellisM4Express()
current_press = set()
while True:
pressed = set(trellis.pressed_keys)
for press in pressed - current_press:
print("Pressed:", press)
for release in current_press - pressed:
print("Released:", release)
time.sleep(0.08)
current_press = pressed
"""
return self._matrix.pressed_keys
class NeoTrellisM4:
"""Driver for the Adafruit NeoTrellis."""
EDGE_HIGH = const(0)
EDGE_LOW = const(1)
EDGE_FALLING = const(2)
EDGE_RISING = const(3)
def __init__(self, left_part=None):
if left_part is None:
self._offset = _TRELLISM4_LEFT_PART
self.pixels = _TrellisNeoPixel()
self.keypad = _TrellisKeypad()
else:
self._offset = _TRELLISM4_RIGHT_PART
self.pixels = _TrellisNeoPixel(32,
part=_TRELLISM4_RIGHT_PART,
left_part=left_part.pixels)
self.keypad = _TrellisKeypad(part=_TRELLISM4_RIGHT_PART,
row_pins=left_part.keypad.row_pins)
self._events = [0] * _NEO_TRELLIS_NUM_KEYS
self._current_press = set()
self._key_edges = [self.EDGE_HIGH] * _NEO_TRELLIS_NUM_KEYS # Keys edges
self._current_events = bytearray()
self.callbacks = [None] * 16
@property
def interrupt_enabled(self):
"""Only for compatibility with neotrellis module
interrupts are disable on trellis M4 keypad"""
return False
# pylint: disable=unused-argument, no-self-use
@interrupt_enabled.setter
def interrupt_enabled(self, value):
"""Only for compatibility with neotrellis module
interrupts are disable on trellis M4 keypad
"""
print("Warning: no interrupt with Trellis M4 keypad (method does nothing)")
# pylint: enable=unused-argument, no-self-use
@property
def count(self):
"""Return the pressed keys count
"""
self._read_keypad()
return len(self._current_events)
# pylint: disable=unused-argument, no-self-use
@count.setter
def count(self, value):
"""Only for compatibility with neotrellis module
"""
raise AttributeError("count is read only")
# pylint: enable=unused-argument, no-self-use
def set_event(self, key, edge, enable):
"""Set event on a key
"""
if enable not in (True, False):
raise ValueError("event enable must be True or False")
if edge > 3 or edge < 0:
raise ValueError("invalid edge")
# Pas besoin de l'écriture sur I2C mais de l'enregistrer dans self._events
if enable:
self._events[key] = self._events[key] | (1 << edge)
else:
self._events[key] = self._events[key] & (0xF ^ (1 << edge))
def read_keypad(self, num):
"""Give the n events in the keypad buffer
"""
while num > len(self._current_events):
self._current_events.append(0xFF)
return self._current_events[:num]
def _read_keypad(self):
"""Read keypad and update _key_edges and _current_events"""
pressed = set(self.keypad.pressed_keys)
#default : not pressed => EDGE_HIGH
self._key_edges = [self.EDGE_HIGH] * _NEO_TRELLIS_NUM_KEYS
for k in pressed:
self._key_edges[k] = self.EDGE_LOW
for k in pressed - self._current_press:
self._key_edges[k] = self.EDGE_RISING
for k in self._current_press - pressed:
self._key_edges[k] = self.EDGE_FALLING
self._current_press = pressed
self._current_events = bytearray()
for k in range(_NEO_TRELLIS_NUM_KEYS):
if (self._events[k] >> self._key_edges[k]) & 0x1:
raw_evt = (_to_seesaw_key(k) << 2) | self._key_edges[k]
self._current_events.append(raw_evt)
def activate_key(self, key, edge, enable=True):
"""Activate or deactivate a key on the trellis. Key is the key number from
0 to 15. Edge specifies what edge to register an event on and can be
NeoTrellis.EDGE_FALLING or NeoTrellis.EDGE_RISING. enable should be set
to True if the event is to be enabled, or False if the event is to be
disabled.
"""
self.set_event(key, edge, enable)
def sync(self):
"""Read any events from the Trellis hardware and call associated
callbacks
"""
available = self.count
if available > 0:
available = available + 2
buf = self.read_keypad(available)
for raw in buf:
evt = KeyEvent(_seesaw_key((raw >> 2) & 0x3F), raw & 0x3)
if evt.number < _NEO_TRELLIS_NUM_KEYS and self.callbacks[evt.number] is not None:
self.callbacks[evt.number](evt)

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# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
# SPDX-FileCopyrightText: Copyright (c) 2021 Arofarn
#
# SPDX-License-Identifier: MIT
"""
`trellism4_extended`
================================================================================
CircuitPython library to extended Adafruit NeotrellisM4 board with two Neotrellis seesaw boards (or more !).
* Author(s): arofarn
Implementation Notes
--------------------
**Hardware:**
* Adafruit NeoTrellis M4 Express: https://www.adafruit.com/product/3938
* Adafruit NeoTrellis RGB Driver PCB for 4x4 Keypad :https://www.adafruit.com/product/3954
**Software and Dependencies:**
* Adafruit CircuitPython firmware for the supported boards:
https://github.com/adafruit/circuitpython/releases
* Adafruit CircuitPython bus_devices library (from Adafruit_CircuitPython_Bundle):
https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases
"""
# imports
__version__ = "0.0.0-auto.0"
__repo__ = "https://github.com/arofarn/CircuitPython_TrellisM4_extended.git"
import board
import digitalio
from micropython import const
from adafruit_seesaw.keypad import KeyEvent
from adafruit_matrixkeypad import Matrix_Keypad
from neopixel import NeoPixel
_NEO_TRELLIS_NUM_ROWS = const(4)
_NEO_TRELLIS_NUM_COLS = const(4)
_NEO_TRELLIS_NUM_KEYS = const(16)
# _NEO_TRELLIS_MAX_CALLBACKS = const(32)
_TRELLISM4_LEFT_PART = const(0)
_TRELLISM4_RIGHT_PART = const(4)
def _key(xval):
return int(int(xval/4)*8 + (xval%4))
def _seesaw_key(xval):
return int(int(xval/8)*4 + (xval%8))
def _to_seesaw_key(xval):
return int(xval + (xval // 4) * 4)
class _TrellisNeoPixel:
"""Neopixel driver
"""
# Lots of stuff come from Adafruit_CircuitPython_seesaw/neopixel.py
def __init__(self, auto_write=True, brightness=1.0,
part=_TRELLISM4_LEFT_PART, left_part=None):
if part == _TRELLISM4_LEFT_PART:
self.pix = NeoPixel(board.NEOPIXEL, 32, auto_write=False, brightness=brightness)
elif part == _TRELLISM4_RIGHT_PART:
self.pix = left_part.pix
self.auto_write = auto_write
self._offset = part
def __setitem__(self, key, color):
self.pix[_key(key) + self._offset] = color
if self.auto_write:
self.show()
def __getitem__(self, key):
return self.pix[_key(key) + self._offset]
def fill(self, color):
"""Fill method wrapper
"""
# Suppress auto_write while filling.
current_auto_write = self.auto_write
self.auto_write = False
for i in range(16):
self[i] = color
if current_auto_write:
self.show()
self.auto_write = current_auto_write
def show(self):
"""Fill method wrapper
"""
self.pix.show()
class _TrellisKeypad:
"""Simple Keypad object for Trellis M4
No pixel, no rotation
Key numbers : 0 - 15"""
def __init__(self, part=_TRELLISM4_LEFT_PART, row_pins=None):
self._offset = part
col_pins = []
for x in range(self._offset, self._offset + _NEO_TRELLIS_NUM_COLS):
col_pin = digitalio.DigitalInOut(getattr(board, "COL{}".format(x)))
col_pins.append(col_pin)
if part == _TRELLISM4_LEFT_PART:
self.row_pins = []
for y in range(_NEO_TRELLIS_NUM_ROWS):
row_pin = digitalio.DigitalInOut(getattr(board, "ROW{}".format(y)))
self.row_pins.append(row_pin)
elif part == _TRELLISM4_RIGHT_PART:
if row_pins is None:
raise ValueError("Missing row_pins list for the right part")
self.row_pins = row_pins
else:
raise ValueError("part arg should be 0 (left part) or 4 (right part)")
key_names = []
for y in range(4):
row = []
for x in range(4):
row.append(4 * x + y)
key_names.append(row) # Keys of each halves is numbered from 0-15
self._matrix = Matrix_Keypad(col_pins, self.row_pins, key_names)
@property
def pressed_keys(self):
"""A list of tuples of currently pressed button coordinates.
.. code-block:: python
import time
import adafruit_trellism4
trellis = adafruit_trellism4.TrellisM4Express()
current_press = set()
while True:
pressed = set(trellis.pressed_keys)
for press in pressed - current_press:
print("Pressed:", press)
for release in current_press - pressed:
print("Released:", release)
time.sleep(0.08)
current_press = pressed
"""
return self._matrix.pressed_keys
class NeoTrellisM4:
"""Driver for the Adafruit NeoTrellis."""
EDGE_HIGH = const(0)
EDGE_LOW = const(1)
EDGE_FALLING = const(2)
EDGE_RISING = const(3)
def __init__(self, left_part=None):
if left_part is None:
self._offset = _TRELLISM4_LEFT_PART
self.pixels = _TrellisNeoPixel()
self.keypad = _TrellisKeypad()
else:
self._offset = _TRELLISM4_RIGHT_PART
self.pixels = _TrellisNeoPixel(32,
part=_TRELLISM4_RIGHT_PART,
left_part=left_part.pixels)
self.keypad = _TrellisKeypad(part=_TRELLISM4_RIGHT_PART,
row_pins=left_part.keypad.row_pins)
self._events = [0] * _NEO_TRELLIS_NUM_KEYS
self._current_press = set()
self._key_edges = [self.EDGE_HIGH] * _NEO_TRELLIS_NUM_KEYS # Keys edges
self._current_events = bytearray()
self.callbacks = [None] * 16
@property
def interrupt_enabled(self):
"""Only for compatibility with neotrellis module
interrupts are disable on trellis M4 keypad"""
return False
# pylint: disable=unused-argument, no-self-use
@interrupt_enabled.setter
def interrupt_enabled(self, value):
"""Only for compatibility with neotrellis module
interrupts are disable on trellis M4 keypad
"""
print("Warning: no interrupt with Trellis M4 keypad (method does nothing)")
# pylint: enable=unused-argument, no-self-use
@property
def count(self):
"""Return the pressed keys count
"""
self._read_keypad()
return len(self._current_events)
# pylint: disable=unused-argument, no-self-use
@count.setter
def count(self, value):
"""Only for compatibility with neotrellis module
"""
raise AttributeError("count is read only")
# pylint: enable=unused-argument, no-self-use
def set_event(self, key, edge, enable):
"""Set event on a key
"""
if enable not in (True, False):
raise ValueError("event enable must be True or False")
if edge > 3 or edge < 0:
raise ValueError("invalid edge")
# Pas besoin de l'écriture sur I2C mais de l'enregistrer dans self._events
if enable:
self._events[key] = self._events[key] | (1 << edge)
else:
self._events[key] = self._events[key] & (0xF ^ (1 << edge))
def read_keypad(self, num):
"""Give the n events in the keypad buffer
"""
while num > len(self._current_events):
self._current_events.append(0xFF)
return self._current_events[:num]
def _read_keypad(self):
"""Read keypad and update _key_edges and _current_events"""
pressed = set(self.keypad.pressed_keys)
#default : not pressed => EDGE_HIGH
self._key_edges = [self.EDGE_HIGH] * _NEO_TRELLIS_NUM_KEYS
for k in pressed:
self._key_edges[k] = self.EDGE_LOW
for k in pressed - self._current_press:
self._key_edges[k] = self.EDGE_RISING
for k in self._current_press - pressed:
self._key_edges[k] = self.EDGE_FALLING
self._current_press = pressed
self._current_events = bytearray()
for k in range(_NEO_TRELLIS_NUM_KEYS):
if (self._events[k] >> self._key_edges[k]) & 0x1:
raw_evt = (_to_seesaw_key(k) << 2) | self._key_edges[k]
self._current_events.append(raw_evt)
def activate_key(self, key, edge, enable=True):
"""Activate or deactivate a key on the trellis. Key is the key number from
0 to 15. Edge specifies what edge to register an event on and can be
NeoTrellis.EDGE_FALLING or NeoTrellis.EDGE_RISING. enable should be set
to True if the event is to be enabled, or False if the event is to be
disabled.
"""
self.set_event(key, edge, enable)
def sync(self):
"""Read any events from the Trellis hardware and call associated
callbacks
"""
available = self.count
if available > 0:
available = available + 2
buf = self.read_keypad(available)
for raw in buf:
evt = KeyEvent(_seesaw_key((raw >> 2) & 0x3F), raw & 0x3)
if evt.number < _NEO_TRELLIS_NUM_KEYS and self.callbacks[evt.number] is not None:
self.callbacks[evt.number](evt)