document
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wolfv6
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README.md
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README.md
@ -23,22 +23,28 @@ The keybrd library has been tested on the Teensy 2.0 microcontroller, MCP23018 I
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Example minimal keybrd sketch
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-----------------------------
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Here is a [minimal keybrd sketch](keybrd_single-layer_2/keybrd_single-layer_2.ino).
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todo after teensy LC bb, copy and remove annotations from keybrd_single-layer_2_annotated.ino
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The sketch has about 50 lines of code and runs a 4-key keyboard.
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<!-- todo after teensy LC bb, copy and remove annotations from keybrd_single-layer_2_annotated.ino -->
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Here is a [minimal keybrd sketch](blob/master/tutorials/keybrd_2_single-layer_annotated/keybrd_2_single-layer_annotated.ino).
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The sketch has about 50 lines of code and runs on a 4-key keyboard.
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It runs on a breadboard with rows, columns, and diodes just like the big keyboards.
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The sketch is small because the keybrd library takes care of the low-level details.
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The keybrd tutorial 1 shows how to make a breadboard keyboard.
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The keybrd tutorials 2 and 3 show how to create custom keybrd firmware.
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The keybrd tutorials 2, 3, and 4 show how to create custom keybrd firmware.
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Example complex keybrd sketch
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-----------------------------
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The DodoHand keybrd emulates the DataHand keyboard.
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It has 72 keys, 4 layers, 2 sub-layers, 2 matrices, and is loaded with features.
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The [DodoHand sketch](todo /sketch.cpp), and its instantiation files, contain about 800 lines of code.
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The keybrd_DH emulates the DataHand keyboard.
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It has 72 keys, 4 layers, a sub-layers, 2 matrices, and is loaded with features.
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The keybrd_DH and its instantiation files, contain about 800 lines of code.
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[mainSketch.ino](../keybrd_DH/blob/master/examples/keybrd_DH/mainSketch.cpp)
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[instantiations_ports.h](../keybrd_DH/tree/master/src/instantiations_ports.h)
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[instantiations_LEDs.h](../keybrd_DH/tree/master/src/instantiations_LEDs.h)
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[instantiations_codes.h](../keybrd_DH/tree/master/src/instantiations_codes.h)
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[instantiations_matrix.h](../keybrd_DH/tree/master/src/instantiations_matrix.h)
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Support
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-------
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The [doc](doc) folder contains guides and tutorials.
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[Guides](tree/master/doc) and [tutorials](/tree/master/tutorials) are provided.
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Please ask a questions in [issues](https://github.com/wolfv6/Keybrd/issues) if something is not clear.
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@ -2,20 +2,20 @@
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All notable changes to the keybrd project will be documented in this file.
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This project adheres to [Semantic Versioning 2.0.0](http://semver.org/).
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Version 0.x.x is for initial development. The public API should not be considered stable.
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Version 1.0.0 will be released when the public API is stable.
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keybrd version 0.x.x is for initial development. The public API should not be considered stable.
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keybrd version 1.0.0 will be released when the public API is stable.
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## [Unreleased][unreleased]
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## [0.3.0] - 2016-05-09
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### Changed
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* Restructured the project directory to conform to Arduino library manager specifications
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* Moved keybrd_DH library extension (DodoHand) to its own repository
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* Moved keybrd_DH library extension (for DodoHand) to its own repository
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* Moved sketches to examples directory
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* Replaced Key_Layered dependency on LayerManager with StateLayers class
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### Added
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* tutorials
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* Tutorials
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## [0.2.0] - 2016-02-25
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### Added
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@ -1,4 +1,3 @@
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Teensy 2.0 Pinout Diagram
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-------------------------
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USB is on top in the diagram.
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@ -18,7 +17,7 @@ SDA D1 6 15 B6
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C7 10 11 D6 Do not use pin D6 for scanning keyboard matrix
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LED on pin D6 pulls voltage down and will always return low
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BOTTOM (USB on top, left to right)
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BOTTOM EDGE (USB on top, pins from left to right)
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PIN# port+bit function
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23 D5
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VCC 5v power
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@ -26,12 +25,13 @@ PIN# port+bit function
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RST reset
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22 D4
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MID (below USB, left to right)
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MIDDLE (below USB, pins from left to right)
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PIN# port+bit function
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24 E6
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Ref
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```
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Teensy pin out with port names is on http://www.pjrc.com/teensy/td_digital.html
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Teensy 2.0 pin assignment on https://www.pjrc.com/teensy/pinout.html
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Teensy 2.0 pinout with pin numbers on http://www.pjrc.com/teensy/td_digital.html
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Identifying and naming ports is useful when instantiating RowPorts and ColPorts.
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Keybrd library was tested on Teensy 2.0
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@ -1,21 +1,17 @@
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keybrd Library Developer's Guide
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================================
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This guide contains diagrams, naming conventions, and a style guide.
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This guide will help you design custom classes to interface with the keybrd library.
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The most common need for custom classes are:
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This guide contains diagrams, naming conventions, and a style guide,
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which are useful when designing new classes for the keybrd library and its extension libraries.
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The most common reason for new classes are:
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* Port classes for micro controller or I/O expanders
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* custom layer schemes for multi-layer keyboards
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* experimental features
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## Who this guide is for
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This guide is for the maintainers, developers, and anyone that wants to extend the keybrd library.
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This guide is for the maintainers and developers of the keybrd library and it's extensions.
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It is assumed the reader is familiar with C++ language including pointers, objects, classes, static class variables, composition, inheritance, polymorphism, and enum.
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Some classes use bit manipulation.
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## Custom keybrd classes
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Please refer to tutorial_7a_using_someone_else's_keybrd_extension_library.md
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## Class diagrams
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Keybrd library class inheritance diagram
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@ -114,11 +110,11 @@ Most derived-class names start with the base class name followed by "_" and a na
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```
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This convention leads to class names that convey information about the classes inheritance.
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Underscore delineates base class name and sub name. Capital letters delineate words.
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Underscore delineates base class name and sub-class name. Capital letters delineate words.
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## Style guide
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Following the style guide makes it easier for the next programmer to understand your code.
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* For class names, see above section "Class Naming Conventions"
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* For class names, see above section "Class naming conventions"
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* For member names, use camelCase starting with lowercase letter.
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* Use constants rather than macros, except for header guards.
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* For constant names that could be macros, use ALL_CAPS_AND_UNDERSCORE.
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@ -126,21 +122,21 @@ Following the style guide makes it easier for the next programmer to understand
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* **itemCount** is a variable number of items.
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* Use header guards CLASS_NAME_H.
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* Prefix pointer name with "ptr" e.g. ptrRow = &row
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* Name arrays using the plural of elements e.g. Row* const = ptrsRows { &row0, &row1 };
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* Name arrays using the plural of element name e.g. Row* const = ptrsRows { &row0, &row1 };
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* Pass arrays using array notation rather than pointer notation. Use
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```
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void printArray(char[] array);
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not
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void printArray( char* array);
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```
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* In constructor's initialization list, use same names for fields and constructor parameters
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* Do not use new or malloc (to make memory leaks impossible).
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* In constructor's initialization list, use same names for fields and constructor parameters.
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* Do not use new or malloc (making memory leaks impossible).
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* If class has any non-[POD](http://en.wikipedia.org/wiki/Plain_old_data_structure) data members, [do not inline constructors and destructors](http://www.chromium.org/developers/coding-style/cpp-dos-and-donts).
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* Document class interface in .h file, above the class declaration.
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* Code should be self-documenting.
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The only comments should be things that may need clarification.
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A simple function with a good name needs no comment.
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http://stackoverflow.com/questions/2198241/best-practice-for-c-function-commenting
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<-- http://stackoverflow.com/questions/2198241/best-practice-for-c-function-commenting !-->
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* Code is automatically formated before being pushed to the keybrd repository
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The options file doc/astyle_cpp specifies the format:
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* Allman style indentation
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@ -148,13 +144,6 @@ Following the style guide makes it easier for the next programmer to understand
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* replace tabs with spaces
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* maximum code width of 100 columns
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## keybrd sketches
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keybrd sketch naming convention is described in the keybrd_library_user_guide "Sample keybrd sketches".
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The head of sketch should contain latest version of keybrd lib that sketch was test on:
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tested on keybrd v1.1 by wolfv6
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## trace of keybrd scan
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Arduino does not have a debugger; so here is a list of functions in the order that they are called.
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Refer to it like a table of contents while reading the keybrd library.
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@ -15,7 +15,7 @@ Its easy for novice programmers to setup and learn.
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This guide is for anyone who wants to use the keybrd library to develop custom-keyboard firmware.
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A reader with programming experience, but no C++ experience, would understand the tutorials well enough to modify existing keybrd sketches.
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An experienced C++ programmer would be able to write original sketches and classes from scratch.
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An experienced C++ programmer would be able to write original sketches and classes.
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The library is written in the C++ language and uses pointers, objects, classes, static class variables, composition, inheritance, and enum.
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@ -24,7 +24,7 @@ The keybrd library works with Teensy and Arduino boards.
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[Teensy LC](https://www.pjrc.com/teensy/teensyLC.html) has 8K RAM, which is more than enough memory for any keyboard.
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keybrd has been tested on the DodoHand keyboard with Teensy 2.0 and PCA9655E I/O expander using the DH_2565 sketch.
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keybrd has been tested on the DodoHand keyboard with Teensy 2.0 and PCA9655E I/O expander using the keybrd_DH sketch.
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Teensy LC is preferred over the older Teensy 2.0 for it's larger memory capacity and lower price.
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@ -36,10 +36,10 @@ Teensyduino is a software add-on for the Arduino IDE that allows it to compile t
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[Teensy Getting Started](http://www.pjrc.com/teensy/first_use.html) is a good way to familiarize yourself with Teensy.
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[Arduino Development Environment](http://arduino.cc/en/guide/Environment) is a brief description.
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The following steps create an Arduino development environment for keybrd sketches.
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The following install and setup steps create an Arduino development environment for keybrd sketches.
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### Install Arduino IDE and Teensyduino
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Follow the install steps are modified from the [Teensyduino download page](https://www.pjrc.com/teensy/td_download.html)
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Following install steps are modified from the [Teensyduino download page](https://www.pjrc.com/teensy/td_download.html)
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For Linux:
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@ -64,39 +64,25 @@ For Linux:
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4. Launch Arduino IDE from /opt/arduino-1.x.x/arduino
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### Setup Arduino IDE for compiling keybrd firmware
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From the Arduino IDE tool bar, select:
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* Tools > Board > Teensy LC (or whatever board you are using)
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* Tools > USB Type > Keyboard + Mouse + Joystick
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optional:
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* File > Preferences > Compiler warnings: All
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* File > Preferences > check: Use external editor
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A Sketchbook is a folder that the Arduino IDE uses to store sketches and libraries.
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The default location for [Arduino libraries](https://www.arduino.cc/en/Guide/Libraries) is in
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~/Documents/Arduino/libraries/
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### Download and unpack keybrd-master.zip into your Arduino directory
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todo update after testing Arduino library manager
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<-- todo update after testing Arduino library manager
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link from tutorial 7 ## Publishing
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https://www.arduino.cc/en/Guide/Libraries
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> Installing Additional Arduino Libraries
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> Using the Library Manager
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!-->
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Down load keybrd-master.zip from the [Download ZIP](https://github.com/wolfv6/keybrd) button.
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Unpack keybrd-master.zip into your Arduino directory on your system (default location is ~/Documents/Arduino/).
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### keybrd library and keybrd extension libraries
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todo update after testing Arduino library manager
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<-- todo update after testing Arduino library manager !-->
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The keybrd library contains the foundation classes for creating a keyboard firmware.
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For emphasis, it is sometimes referred to as the "core keybrd library".
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For emphasis, it is referred to as the "core keybrd library".
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keybrd extension libraries contain additional classes that extend the keyboard library.
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keybrd extension library names are prefixed by "keybrd_".
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keybrd extension library names are prefixed with "keybrd_".
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The Arduino IDE looks for libraries in Arduino/libraries/.
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For example, the DodoHand keyboard requires that the core keybrd library and the keybrd_DH extension library be installed:
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@ -105,6 +91,20 @@ For example, the DodoHand keyboard requires that the core keybrd library and the
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A keybrd extension library allows classes to be shared by multiple sketches without polluting the core keybrd library with classes that few other keyboards can use.
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### Setup Arduino IDE for compiling keybrd firmware
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From the Arduino IDE tool bar, select:
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* Tools > Board > Teensy LC (or whatever board you are using)
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* Tools > USB Type > Keyboard + Mouse + Joystick
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These are optional:
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* File > Preferences > Compiler warnings: All
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* File > Preferences > check: Use external editor
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A Sketchbook is a folder that the Arduino IDE uses to store sketches and libraries.
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The default location for [Arduino libraries](https://www.arduino.cc/en/Guide/Libraries) is in
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~/Documents/Arduino/libraries/
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### Compile and load keybrd sketch
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If it isn't already plugged in, plug the USB cable into the computer and controller.
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@ -121,22 +121,22 @@ If it isn't already plugged in, plug the USB cable into the computer and control
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Compile and load workflow:
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1. Open a keybrd sketch in the Arduino IDE (for example Arduino/keybrds/firmware/keybrd_single-layer/keybrd_single-layer_1221_bb/keybrd_single-layer_1221_bb.ino)
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1. Open a keybrd sketch in the Arduino IDE.
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2. Prepare for loosing control of keyboard and mouse.
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3. On the Arduino IDE, click the Upload button.
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4. The Teensy boot loader window opens, you might need to press and release the tiny pushbutton on the Teensy circuit board.
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4. The Teensy boot loader window opens;
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you might need to press and release the pushbutton on the Teensy circuit board.
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## Example keybrd sketches
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Example keybrd sketches are in the keybrd_proj/keybrd/examples/ directory.
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Example keybrd sketches are in the [examples](../examples/) directory.
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Extension libraries have their example sketches similarly located.
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The example sketch names use the following conventions.
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keybrd_extension_feature_version.ino
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**keybrd_extension_feature_version.ino**
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where
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* **keybrd** indicates a keybrd sketch
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* **extension** is the extension library name e.g. DH, DualMode
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* **keybrd_extension** is the extension library name e.g. keybrd_DH
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* **feature** is distinguishing feature of keybrd sketch e.g. breadboard, LED, sound, Dvorak
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* **version** is version number
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@ -146,7 +146,7 @@ The first two fields are mandatory, the remaining fields are optional.
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The physical martix rows and columns on a keyboard can be in any direction or shape.
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[diode](https://en.wikipedia.org/wiki/Diode) orientation is specified in [Matrix.h](todo)
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Diagram is of typical through-the-hole diode in same alignment as diode symbol.
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Cross bar and band depict the cathode.
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@ -156,9 +156,8 @@ The following is a listing of items to check when a new keybrd sketch or keyboar
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Development-environment items to check:
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* If the keyboard has an I/O expander, power cycle (replug the USB) after loading the HEX file.
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* If the keybrd extension library directory name or location was changed, see section
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[Populate Arduino/libraries with keybrd library symlinks](todo link)
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* If compile error: 'KEY_A' was not declared in this scope
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From the Arduino IDE tool bar, select: Tools > USB Type > Keyboard + Mouse + Joystick
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Sketch items to check:
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@ -187,6 +186,9 @@ Hardware items to check:
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* Diode orientation
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* 5 volts across power and ground
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* To validate keyboard hardware, modify the simple single-layer keybrd sketch from the tutorial.
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<!-- todo after teensy LC bb, linke to minimal keybrd sketch
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[minimal keybrd sketch](blob/master/tutorials/keybrd_2_single-layer_annotated/keybrd_2_single-layer_annotated.ino).
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-->
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## Keybrd nomenclature
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**[scancode](http://en.wikipedia.org/wiki/Scancode)** -
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@ -208,12 +210,13 @@ The [Neo layout](http://neo-layout.org/index_en.html) has 6 layers.
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**[Matrix](http://pcbheaven.com/wikipages/How_Key_Matrices_Works/)** - is a collection of switches connected by rows and columns.
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**[bounce](http://en.wikipedia.org/wiki/Switch#Contact_bounce)** -
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**[Bounce](http://en.wikipedia.org/wiki/Switch#Contact_bounce)** -
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Keyboard switches are made of moving contacts.
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When the contacts close, they bounce apart one or more times before making steady contact.
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A debouncer removes the bounce so that a key press is sent to the computer only once.
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**[Modifier key](http://en.wikipedia.org/wiki/Modifier_key)** - is a special key on a computer keyboard that temporarily modifies the normal action of another key when pressed together. By themselves, modifier keys usually do nothing; that is, pressing any of the Shift, Alt, or Ctrl keys alone does not trigger any action from the computer.
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**[Modifier key](http://en.wikipedia.org/wiki/Modifier_key)** - is a special key on a computer keyboard that temporarily modifies the normal action of another key when pressed together e.g. Shift, Alt, or Ctrl.
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By themselves, modifier keys usually do nothing; that is, pressing any of the Shift, Alt, or Ctrl keys alone does not trigger any action from the computer.
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**Sketch** - is the name that Arduino uses for a program
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@ -1,4 +1,4 @@
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PLANNED FEATURES is a view of where the keybrd project is headed.
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planned_features is a view of where the keybrd project is headed.
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Top priority
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============
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@ -17,6 +17,6 @@ Add matrix-to-layout transform array (to decouple matrix from layout)
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Change tutorial sketches from teensy 2.0 and PCA9655E-D IOE to Teensy LC and MCP23018 IOE
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Add more tutorials:
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tutorial_5_LEDs.md
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tutorial_6_mapping_matrix_to_layout.md
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tutorial_9_active_high.md
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* tutorial_5_LEDs.md
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* tutorial_6_mapping_matrix_to_layout.md
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* tutorial_9_active_high.md
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@ -1,7 +1,7 @@
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/* keybrd_mapping_bb.ino
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Runs on DodoHand hardware or breadboard, using the left matrix, first two rows and columns.
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Uses the same variable naming convention as DH_2565.
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Uses the same variable naming convention as keybrd_DH.
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| Layout | **0** | **1** |
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|:------:|-------|-------|
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Reference in New Issue
Block a user