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Updated readme to have better backlight breathing info.

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example_keyboards
IBNobody 8 years ago
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readme.md
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@ -54,11 +54,11 @@ Here are the steps
1. Install the Windows 10 subsystem for Linux, following [these instructions](http://www.howtogeek.com/249966/how-to-install-and-use-the-linux-bash-shell-on-windows-10/). 1. Install the Windows 10 subsystem for Linux, following [these instructions](http://www.howtogeek.com/249966/how-to-install-and-use-the-linux-bash-shell-on-windows-10/).
2. If you have previously cloned the repository using the normal Git bash, you will need to clean up the line endings. If you have cloned it after 20th of August 2016, you are likely fine. To clean up the line endings do the following 2. If you have previously cloned the repository using the normal Git bash, you will need to clean up the line endings. If you have cloned it after 20th of August 2016, you are likely fine. To clean up the line endings do the following
1. Make sure that you have no changes you haven't committed by running `git status`, if you do commit them first 1. Make sure that you have no changes you haven't committed by running `git status`, if you do commit them first
2. From within the Git bash run `git rm --cached -r .` 2. From within the Git bash run <EFBFBD>git rm --cached -r .`
3. Followed by `git reset --hard` 3. Followed by `git reset --hard`
3. Start the "Bash On Ubuntu On Windows" from the start menu 3. Start the "Bash On Ubuntu On Windows" from the start menu
4. With the bash open, navigate to your Git checkout. The harddisk can be accessed from `/mnt` for example `/mnt/c` for the `c:\` drive. 4. With the bash open, navigate to your git checkout. The harddisk can be accessed from `/mnt` for example `/mnt/c` for the `c:\` drive.
5. Run `sudo util/install_dependencies.sh`. 5. Run `sudo util/install_dependencies.sh`.
6. After a while the installation will finish, and you are good to go 6. After a while the installation will finish, and you are good to go
**Note** From time to time, the dependencies might change, so just run `install_dependencies.sh` again if things are not working. **Note** From time to time, the dependencies might change, so just run `install_dependencies.sh` again if things are not working.
@ -69,12 +69,11 @@ Here are the steps
### Windows (Vista and later) ### Windows (Vista and later)
1. If you have ever installed WinAVR, uninstall it. 1. If you have ever installed WinAVR, uninstall it.
2. Install [MHV AVR Tools](https://infernoembedded.com/sites/default/files/project/MHV_AVR_Tools_20131101.exe). Disable smatch, but **be sure to leave the option to add the tools to the PATH checked**. 2. Install [MHV AVR Tools](https://infernoembedded.com/sites/default/files/project/MHV_AVR_Tools_20131101.exe). Disable smatch, but **be sure to leave the option to add the tools to the PATH checked**.
3. If you are going to flash Infinity based keyboards you will need to install dfu-util, refer to the instructions by [Input Club](https://github.com/kiibohd/controller/wiki/Loading-DFU-Firmware). 3. Install [MinGW](https://sourceforge.net/projects/mingw/files/Installer/mingw-get-setup.exe/download). During installation, uncheck the option to install a graphical user interface. **DO NOT change the default installation folder.** The scripts depend on the default location.
4. Install [MinGW](https://sourceforge.net/projects/mingw/files/Installer/mingw-get-setup.exe/download). During installation, uncheck the option to install a graphical user interface. **DO NOT change the default installation folder.** The scripts depend on the default location. 4. Clone this repository. [This link will download it as a zip file, which you'll need to extract.](https://github.com/jackhumbert/qmk_firmware/archive/master.zip) Open the extracted folder in Windows Explorer.
5. Clone this repository. [This link will download it as a zip file, which you'll need to extract.](https://github.com/jackhumbert/qmk_firmware/archive/master.zip) Open the extracted folder in Windows Explorer. 5. Double-click on the 1-setup-path-win batch script to run it. You'll need to accept a User Account Control prompt. Press the spacebar to dismiss the success message in the command prompt that pops up.
6. Double-click on the 1-setup-path-win batch script to run it. You'll need to accept a User Account Control prompt. Press the spacebar to dismiss the success message in the command prompt that pops up. 6. Right-click on the 2-setup-environment-win batch script, select "Run as administrator", and accept the User Account Control prompt. This part may take a couple of minutes, and you'll need to approve a driver installation, but once it finishes, your environment is complete!
7. Right-click on the 2-setup-environment-win batch script, select "Run as administrator", and accept the User Account Control prompt. This part may take a couple of minutes, and you'll need to approve a driver installation, but once it finishes, your environment is complete! 7. Future build commands should be run from the MHV AVR Shell, which sets up an environment compatible with colorful build output. The standard Command Prompt will also work, but add `COLOR=false` to the end of all make commands when using it.
8. Future build commands should be run from the MHV AVR Shell, which sets up an environment compatible with colorful build output. The standard Command Prompt will also work, but add `COLOR=false` to the end of all make commands when using it.
### Mac ### Mac
If you're using [homebrew,](http://brew.sh/) you can use the following commands: If you're using [homebrew,](http://brew.sh/) you can use the following commands:
@ -91,13 +90,9 @@ You can also try these instructions:
2. Install the Command Line Tools from `Xcode->Preferences->Downloads`. 2. Install the Command Line Tools from `Xcode->Preferences->Downloads`.
3. Install [DFU-Programmer][dfu-prog]. 3. Install [DFU-Programmer][dfu-prog].
If you are going to flash Infinity based keyboards you will also need dfu-util
brew install dfu-util
### Linux ### Linux
To ensure you are always up to date, you can just run `sudo utils/install_dependencies.sh`. That should always install all the dependencies needed. To ensure you are always up to date, you can just run `sudo utils/install_dependencies.sh`. That should always install all the dependencies needed.
You can also install things manually, but this documentation might not be always up to date with all requirements. You can also install things manually, but this documentation might not be always up to date with all requirements.
@ -158,107 +153,47 @@ In every keymap folder, the following files are recommended:
* `config.h` - the options to configure your keymap * `config.h` - the options to configure your keymap
* `keymap.c` - all of your keymap code, required * `keymap.c` - all of your keymap code, required
* `Makefile` - the features of QMK that are enabled, required to run `make` in your keymap folder * `Makefile` - the features of QMK that are enabled, required to run `make` in your keymap folder
* `readme.md` - a description of your keymap, how others might use it, and explanations of features * `readme.md` - a description of your keymap, how others might use it, and explanations of features
## The `make` command ## The `make` command
The `make` command is how you compile the firmware into a .hex file, which can be loaded by a dfu programmer (like dfu-progammer via `make dfu`) or the [Teensy loader](https://www.pjrc.com/teensy/loader.html) (only used with Teensys). The `make` command is how you compile the firmware into a .hex file, which can be loaded by a dfu programmer (like dfu-progammer via `make dfu`) or the [Teensy loader](https://www.pjrc.com/teensy/loader.html) (only used with Teensys). You can run `make` from the root (`/`), your keyboard folder (`/keyboards/<keyboard>/`), or your keymap folder (`/keyboards/<keyboard>/keymaps/<keymap>/`) if you have a `Makefile` there (see the example [here](/doc/keymap_makefile_example.mk)).
**NOTE:** To abort a make command press `Ctrl-c`
The following instruction refers to these folders.
* The `root` (`/`) folder is the qmk_firmware folder, in which are `doc`, `keyboard`, `quantum`, etc.
* The `keyboard` folder is any keyboard project's folder, like `/keyboards/planck`.
* The `keymap` folder is any keymap's folder, like `/keyboards/planck/keymaps/default`.
* The `subproject` folder is the subproject folder of a keyboard, like `/keyboards/ergodox/ez`
### Simple instructions for building and uploading a keyboard
**Most keyboards have more specific instructions in the keyboard specific readme.md file, so please check that first**
If the `keymap` folder contains a file name `Makefile`
1. Change the directory to the `keymap` folder
2. Run `make <subproject>-<programmer>`
Otherwise, if there's no `Makefile` in the `keymap` folder
1. Enter the `keyboard` folder
2. Run `make <subproject>-<keymap>-<programmer>`
In the above commands, replace:
* `<keymap>` with the name of your keymap
* `<subproject>` with the name of the subproject (revision or sub-model of your keyboard). For example, for Ergodox it can be `ez` or `infinity`, and for Planck `rev3` or `rev4`.
* If the keyboard doesn't have a subproject, or if you are happy with the default (defined in `rules.mk` file of the `keyboard` folder), you can leave it out. But remember to also remove the dash (`-`) from the command.
* `<programmer>` The programmer to use. Most keyboards use `dfu`, but some use `teensy`. Infinity keyboards use `dfu-util`. Check the readme file in the keyboard folder to find out which programmer to use.
* If you don't add `-<programmer` to the command line, the firmware will be still be compiled into a hex file, but the upload will be skipped.
**NOTE:** Some operating systems will refuse to program unless you run the make command as root for example `sudo make dfu`
### More detailed make instruction
The full syntax of the `make` command is the following, but parts of the command can be left out if you run it from other directories than the `root` (as you might already have noticed by reading the simple instructions).
`<keyboard>-<subproject>-<keymap>-<target>`, where:
* `<keyboard>` is the name of the keyboard, for example `planck`
* Use `allkb` to compile all keyboards
* `<subproject>` is the name of the subproject (revision or sub-model of the keyboard). For example, for Ergodox it can be `ez` or `infinity`, and for Planck `rev3` or `rev4`.
* If the keyboard doesn't have any subprojects, it can be left out
* To compile the default subproject, you can leave it out, or specify `defaultsp`
* Use `allsp` to compile all subprojects
* `<keymap>` is the name of the keymap, for example `algernon`
* Use `allkm` to compile all keymaps
* `<target>` will be explained in more detail below.
**Note:** When you leave some parts of the command out, you should also remove the dash (`-`). By default, this will generate a `<keyboard>_<keymap>.hex` file in whichever folder you run `make` from. These files are ignored by git, so don't worry about deleting them when committing/creating pull requests.
As mentioned above, there are some shortcuts, when you are in a: Below are some definitions that will be useful:
* `keyboard` folder, the command will automatically fill the `<keyboard>` part. So you only need to type `<subproject>-<keymap>-<target>` * The "root" (`/`) folder is the qmk_firmware folder, in which are `doc`, `keyboard`, `quantum`, etc.
* `subproject` folder, it will fill in both `<keyboard>` and `<subproject>` * The "keyboard" folder is any keyboard project's folder, like `/keyboards/planck`.
* `keymap` folder, then `<keyboard>` and `<keymap>` will be filled in. If you need to specify the `<subproject>` use the following syntax `<subproject>-<target>` * The "keymap" folder is any keymap's folder, like `/keyboards/planck/keymaps/default`.
* Note in order to support this shortcut, the keymap needs its own Makefile (see the example [here](/doc/keymap_makefile_example.mk))
* `keymap` folder of a `subproject`, then everything except the `<target>` will be filled in
The `<target>` means the following Below is a list of the useful `make` commands in QMK:
* If no target is given, then it's the same as `all` below
* `all` compiles the keyboard and generates a `<keyboard>_<keymap>.hex` file in whichever folder you run `make` from. These files are ignored by git, so don't worry about deleting them when committing/creating pull requests.
* `dfu`, `teensy` or `dfu-util`, compile and upload the firmware to the keyboard. If the compilation fails, then nothing will be uploaded. The programmer to use depends on the keyboard. For most keyboards it's `dfu`, but for Infinity keyboards you should use `dfu-util`, and `teensy` for standard Teensys. To find out which command you should use for your keyboard, check the keyboard specific readme. **Note** that some operating systems needs root access for these commands to work, so in that case you need to run for example `sudo make dfu`.
* `clean`, cleans the build output folders to make sure that everything is built from scratch. Run this before normal compilation if you have some unexplainable problems.
Some other targets are supported but, but not important enough to be documented here. Check the source code of the make files for more information. * `make` - builds your keyboard and keymap depending on which folder you're in. This defaults to the "default" layout (unless in a keymap folder), and Planck keyboard in the root folder
* `make keyboard=<keyboard>` - specifies the keyboard (only to be used in root)
You can also add extra options at the end of the make command line, after the target * `make keymap=<keymap>` - specifies the keymap (only to be used in root and keyboard folder - not needed when in keymap folder)
* `make clean` - cleans the `.build` folder, ensuring that everything is re-built
* `make dfu` - (requires dfu-programmer) builds and flashes the keymap to your keyboard once placed in reset/dfu mode (button or press `KC_RESET`). This does not work for Teensy-based keyboards like the ErgoDox EZ.
* `keyboard=` and `keymap=` are compatible with this
* `make all-keyboards` - builds all keymaps for all keyboards and outputs status of each (use in root)
* `make all-keyboards-default` - builds all default keymaps for all keyboards and outputs status of each (use in root)
* `make all-keymaps [keyboard=<keyboard>]` - builds all of the keymaps for whatever keyboard folder you're in, or specified by `<keyboard>`
* `make all-keyboards-*`, `make all-keyboards-default-*` and `make all-keymaps-* [keyboard=<keyboard>]` - like the normal "make-all-*" commands, but the last string aftter the `-` (for example clean) is passed to the keyboard make command.
Other, less useful functionality:
* `make COLOR=false` - turns off color output * `make COLOR=false` - turns off color output
* `make SILENT=true` - turns off output besides errors/warnings * `make SILENT=true` - turns off output besides errors/warnings
* `make VERBOSE=true` - outputs all of the gcc stuff (not interesting, unless you need to debug) * `make VERBOSE=true` - outputs all of the avr-gcc stuff (not interesting)
The make command itself also has some additional options, type `make --help` for more information. The most useful is probably `-jx`, which specifies that you want to compile using more than one CPU, the `x` represents the number of CPUs that you want to use. Setting that can greatly reduce the compile times, especially if you are compiling many keyboards/keymaps. I usually set it to one less than the number of CPUs that I have, so that I have some left for doing other things while it's compiling. Note that not all operating systems and make versions supports that option.
Here are some examples commands
* `make allkb-allsp-allkm` builds everything (all keyboards, all subprojects, all keymaps). Running just `make` from the `root` will also run this.
* `make` from within a `keyboard` directory, is the same as `make keyboard-allsp-allkm`, which compiles all subprojects and keymaps of the keyboard. **NOTE** that this behaviour has changed. Previously it compiled just the default keymap.
* `make ergodox-infinity-algernon-clean` will clean the build output of the Ergodox Infinity keyboard. This example uses the full syntax and can be run from any folder with a `Makefile`
* `make dfu COLOR=false` from within a keymap folder, builds and uploads the keymap, but without color output.
## The `Makefile` ## The `Makefile`
There are 5 different `make` and `Makefile` locations: There are 3 different `make` and `Makefile` locations:
* root (`/`) * root (`/`)
* keyboard (`/keyboards/<keyboard>/`) * keyboard (`/keyboards/<keyboard>/`)
* keymap (`/keyboards/<keyboard>/keymaps/<keymap>/`) * keymap (`/keyboards/<keyboard>/keymaps/<keymap>/`)
* subproject (`/keyboards/<keyboard>/<subproject>`)
* subproject keymap (`/keyboards/<keyboard>/<subproject>/keymaps/<keymap>`)
The root contains the code used to automatically figure out which keymap or keymaps to compile based on your current directory and commandline arguments. It's considered stable, and shouldn't be modified. The keyboard one will contain the MCU set-up and default settings for your keyboard, and shouldn't be modified unless you are the producer of that keyboard. The keymap Makefile can be modified by users, and is optional. It is included automatically if it exists. You can see an example [here](/doc/keymap_makefile_example.mk) - the last few lines are the most important. The settings you set here will override any defaults set in the keyboard Makefile. **The file is required if you want to run `make` in the keymap folder.** The root contains the code used to automatically figure out which keymap or keymaps to compile based on your current directory and commandline arguments. It's considered stable, and shouldn't be modified. The keyboard one will contain the MCU set-up and default settings for your keyboard, and shouldn't be modified unless you are the producer of that keyboard. The keymap Makefile can be modified by users, and is optional. It is included automatically if it exists. You can see an example [here](/doc/keymap_makefile_example.mk) - the last few lines are the most important. The settings you set here will override any defaults set in the keyboard Makefile. **It is required if you want to run `make` in the keymap folder.**
For keyboards and subprojects, the make files are split in two parts `Makefile` and `rules.mk`. All settings can be found in the `rules.mk` file, while the `Makefile` is just there for support and including the root `Makefile`. Keymaps contain just one `Makefile` for simplicity.
### Makefile options ### Makefile options
@ -433,7 +368,7 @@ We've added shortcuts to make common modifier/tap (mod-tap) mappings more compac
Steve Losh [described](http://stevelosh.com/blog/2012/10/a-modern-space-cadet/) the Space Cadet Shift quite well. Essentially, you hit the left Shift on its own, and you get an opening parenthesis; hit the right Shift on its own, and you get the closing one. When hit with other keys, the Shift key keeps working as it always does. Yes, it's as cool as it sounds. Steve Losh [described](http://stevelosh.com/blog/2012/10/a-modern-space-cadet/) the Space Cadet Shift quite well. Essentially, you hit the left Shift on its own, and you get an opening parenthesis; hit the right Shift on its own, and you get the closing one. When hit with other keys, the Shift key keeps working as it always does. Yes, it's as cool as it sounds.
To use it, use `KC_LSPO` (Left Shift, Parens Open) for your left Shift on your keymap, and `KC_RSPC` (Right Shift, Parens Close) for your right Shift. To use it, use `KC_LSPO` (Left Shift, Parens Open) for your left Shift on your keymap, and `KC_RSPC` (Right Shift, Parens Close) for your right Shift.
It's defaulted to work on US keyboards, but if your layout uses different keys for parenthesis, you can define those in your `config.h` like this: It's defaulted to work on US keyboards, but if your layout uses different keys for parenthesis, you can define those in your `config.h` like this:
@ -530,11 +465,11 @@ For the sake of flexibility, tap-dance actions can be either a pair of keycodes,
### Examples ### Examples
Here's a simple example for a single definition: Here's a simple example for a single definition:
1. In your `makefile`, add `TAP_DANCE_ENABLE = yes` 1. In your `makefile`, add `TAP_DANCE_ENABLE = yes`
2. In your `config.h` (which you can copy from `qmk_firmware/keyboards/planck/config.h` to your keymap directory), add `#define TAPPING_TERM 200` 2. In your `config.h` (which you can copy from `qmk_firmware/keyboards/planck/config.h` to your keymap directory), add `#define TAPPING_TERM 200`
3. In your `keymap.c` file, define the variables and definitions, then add to your keymap: 3. In your `keymap.c` file, define the variables and definitions, then add to your keymap:
```c ```c
//Tap Dance Declarations //Tap Dance Declarations
@ -550,10 +485,10 @@ qk_tap_dance_action_t tap_dance_actions[] = {
}; };
//In Layer declaration, add tap dance item in place of a key code //In Layer declaration, add tap dance item in place of a key code
TD(TD_ESC_CAPS) TD(TD_ESC_CAPS)
``` ```
Here's a more complex example involving custom actions: Here's a more complex example involving custom actions:
```c ```c
enum { enum {
@ -828,11 +763,11 @@ To enable them, first add a new element to the `planck_keycodes` enum -- `DYNAMI
Afterwards create a new layer called `_DYN`: Afterwards create a new layer called `_DYN`:
#define _DYN 6 /* almost any other free number should be ok */ #define _DYN 6 /* almost any other free number should be ok */
Below these two modifications include the `dynamic_macro.h` header: Below these two modifications include the `dynamic_macro.h` header:
#include "dynamic_macro.h"` #include "dynamic_macro.h"`
Then define the `_DYN` layer with the following keys: `DYN_REC_START1`, `DYN_MACRO_PLAY1`,`DYN_REC_START2` and `DYN_MACRO_PLAY2`. It may also contain other keys, it doesn't matter apart from the fact that you won't be able to record these keys in the dynamic macros. Then define the `_DYN` layer with the following keys: `DYN_REC_START1`, `DYN_MACRO_PLAY1`,`DYN_REC_START2` and `DYN_MACRO_PLAY2`. It may also contain other keys, it doesn't matter apart from the fact that you won't be able to record these keys in the dynamic macros.
[_DYN]= { [_DYN]= {
@ -841,7 +776,7 @@ Then define the `_DYN` layer with the following keys: `DYN_REC_START1`, `DYN_MAC
{_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}, {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
{_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______} {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
}, },
Add the following code to the very beginning of your `process_record_user()` function: Add the following code to the very beginning of your `process_record_user()` function:
if (!process_record_dynamic_macro(keycode, record)) { if (!process_record_dynamic_macro(keycode, record)) {
@ -1030,6 +965,66 @@ In the default script of AutoHotkey you can define custom hotkeys.
The hotkeys above are for the combination CtrlAltGui and CtrlAltGuiShift plus the letter a. The hotkeys above are for the combination CtrlAltGui and CtrlAltGuiShift plus the letter a.
AutoHotkey inserts the Text right of `Send, ` when this combination is pressed. AutoHotkey inserts the Text right of `Send, ` when this combination is pressed.
## Backlight Breathing
In order to enable backlight breathing, the following line must be added to your config.h file.
#define BACKLIGHT_BREATHING
The following function calls are used to control the breathing effect.
* ```breathing_enable()``` - Enable the free-running breathing effect.
* ```breathing_disable()``` - Disable the free-running breathing effect immediately.
* ```breathing_self_disable()``` - Disable the free-running breathing effect after the current effect ends.
* ```breathing_toggle()``` - Toggle the free-running breathing effect.
* ```breathing_defaults()``` - Reset the speed and brightness settings of the breathing effect.
The following function calls are used to control the maximum brightness of the breathing effect.
* ```breathing_intensity_set(value)``` - Set the brightness of the breathing effect when it is at its max value.
* ```breathing_intensity_default()``` - Reset the brightness of the breathing effect to the default value based on the current backlight intensity.
The following function calls are used to control the cycling speed of the breathing effect.
* ```breathing_speed_set(value)``` - Set the speed of the breathing effect - how fast it cycles.
* ```breathing_speed_inc(value)``` - Increase the speed of the breathing effect by a fixed value.
* ```breathing_speed_dec(value)``` - Decrease the speed of the breathing effect by a fixed value.
* ```breathing_speed_default()``` - Reset the speed of the breathing effect to the default value.
The following example shows how to enable the backlight breathing effect when the FUNCTION layer macro button is pressed:
case MACRO_FUNCTION:
if (record->event.pressed)
{
breathing_speed_set(3);
breathing_enable();
layer_on(LAYER_FUNCTION);
}
else
{
breathing_speed_set(1);
breathing_self_disable();
layer_off(LAYER_FUNCTION);
}
break;
The following example shows how to pulse the backlight on-off-on when the RAISED layer macro button is pressed:
case MACRO_RAISED:
if (record->event.pressed)
{
layer_on(LAYER_RAISED);
breathing_speed_set(2);
breathing_pulse();
update_tri_layer(LAYER_LOWER, LAYER_RAISED, LAYER_ADJUST);
}
else
{
layer_off(LAYER_RAISED);
update_tri_layer(LAYER_LOWER, LAYER_RAISED, LAYER_ADJUST);
}
break;
## RGB Under Glow Mod ## RGB Under Glow Mod
![Planck with RGB Underglow](https://raw.githubusercontent.com/jackhumbert/qmk_firmware/master/keyboards/planck/keymaps/yang/planck-with-rgb-underglow.jpg) ![Planck with RGB Underglow](https://raw.githubusercontent.com/jackhumbert/qmk_firmware/master/keyboards/planck/keymaps/yang/planck-with-rgb-underglow.jpg)
@ -1043,7 +1038,7 @@ For this mod, you need an unused pin wiring to DI of WS2812 strip. After wiring
In order to use the underglow timer functions, you need to have `#define RGBLIGHT_TIMER` in your `config.h`, and have audio disabled (`AUDIO_ENABLE = no` in your Makefile). In order to use the underglow timer functions, you need to have `#define RGBLIGHT_TIMER` in your `config.h`, and have audio disabled (`AUDIO_ENABLE = no` in your Makefile).
Please add the following options into your config.h, and set them up according your hardware configuration. These settings are for the `F4` pin by default: Please add the following options into your config.h, and set them up according your hardware configuration. These settings are for the `F4` pin by default:
#define RGB_DI_PIN F4 // The pin your RGB strip is wired to #define RGB_DI_PIN F4 // The pin your RGB strip is wired to
#define RGBLIGHT_TIMER // Require for fancier stuff (not compatible with audio) #define RGBLIGHT_TIMER // Require for fancier stuff (not compatible with audio)
#define RGBLED_NUM 14 // Number of LEDs #define RGBLED_NUM 14 // Number of LEDs
@ -1090,15 +1085,15 @@ If your keyboard is running an Atmega chip (atmega32u4 and others), it's pretty
The `USB Device descriptor parameter` block contains parameters are used to uniquely identify your keyboard, but they don't really matter to the machine. The `USB Device descriptor parameter` block contains parameters are used to uniquely identify your keyboard, but they don't really matter to the machine.
Your `MATRIX_ROWS` and `MATRIX_COLS` are the numbers of rows and cols in your keyboard matrix - this may be different than the number of actual rows and columns on your keyboard. There are some tricks you can pull to increase the number of keys in a given matrix, but most keyboards are pretty straight-forward. Your `MATRIX_ROWS` and `MATRIX_COLS` are the numbers of rows and cols in your keyboard matrix - this may be different than the number of actual rows and columns on your keyboard. There are some tricks you can pull to increase the number of keys in a given matrix, but most keyboards are pretty straight-forward.
The `MATRIX_ROW_PINS` and `MATRIX_COL_PINS` are the pins your MCU uses on each row/column. Your schematic (if you have one) will have this information on it, and the values will vary depending on your setup. This is one of the most important things to double-check in getting your keyboard setup correctly. The `MATRIX_ROW_PINS` and `MATRIX_COL_PINS` are the pins your MCU uses on each row/column. Your schematic (if you have one) will have this information on it, and the values will vary depending on your setup. This is one of the most important things to double-check in getting your keyboard setup correctly.
For the `DIODE_DIRECTION`, most hand-wiring guides will instruct you to wire the diodes in the `COL2ROW` position, but it's possible that they are in the other - people coming from EasyAVR often use `ROW2COL`. Nothing will function if this is incorrect. For the `DIODE_DIRECTION`, most hand-wiring guides will instruct you to wire the diodes in the `COL2ROW` position, but it's possible that they are in the other - people coming from EasyAVR often use `ROW2COL`. Nothing will function if this is incorrect.
`BACKLIGHT_PIN` is the pin that your PWM-controlled backlight (if one exists) is hooked-up to. Currently only B5, B6, and B7 are supported. `BACKLIGHT_PIN` is the pin that your PWM-controlled backlight (if one exists) is hooked-up to. Currently only B5, B6, and B7 are supported.
`BACKLIGHT_BREATHING` is a fancier backlight feature, and uses one of the timers. `BACKLIGHT_BREATHING` is a fancier backlight feature that adds breathing/pulsing/fading effects to the backlight. It uses the same timer as the normal backlight. These breathing effects must be called by code in your keymap.
`BACKLIGHT_LEVELS` is how many levels exist for your backlight - max is 15, and they are computed automatically from this number. `BACKLIGHT_LEVELS` is how many levels exist for your backlight - max is 15, and they are computed automatically from this number.
@ -1141,55 +1136,4 @@ Here is where you can (optionally) define your `KEYMAP` function to remap your m
} }
``` ```
Each of the `kxx` variables needs to be unique, and usually follows the format `k<row><col>`. You can place `KC_NO` where your dead keys are in your matrix. Each of the `kxx` variables needs to be unique, and usually follows the format `k<row><col>`. You can place `KC_NO` where your dead keys are in your matrix.
# Unit Testing
If you are new to unit testing, then you can find many good resources on internet. However most of it is scattered around in small pieces here and there, and there's also many different opinions, so I won't give any recommendations.
Instead I recommend these two books, explaining two different styles of Unit Testing in detail.
* "Test Driven Development: By Example: Kent Beck"
* "Growing Object-Oriented Software, Guided By Tests: Steve Freeman, Nat Pryce"
If you prefer videos there are Uncle Bob's [Clean Coders Videos](https://cleancoders.com/), which unfortunately cost quite a bit, especially if you want to watch many of them. But James Shore has a free [Let's Play](http://www.jamesshore.com/Blog/Lets-Play) video series.
## Google Test and Google Mock
It's possible to Unit Test your code using [Google Test](https://github.com/google/googletest). The Google Test framework also includes another component for writing testing mocks and stubs, called "Google Mock". For information how to write the actual tests, please refer to the documentation on that site.
## Use of C++
Note that Google Test and therefore any test has to be written in C++, even if the rest of the QMK codebases is written in C. This should hopefully not be a problem even if you don't know any C++, since there's quite clear documentation and examples of the required C++ features, and you can write the rest of the test code almost as you would write normal C. Note that some compiler errors which you might get can look quite scary, but just read carefully what it says, and you should be ok.
One thing to remember, is that you have to append `extern "C"` around all of your C file includes.
## Adding tests for new or existing features
If you want to unit test some feature, then take a look at the existing serial_link tests, in the `quantum/serial_link/tests folder`, and follow the steps below to create a similar structure.
1. If it doesn't already exist, add a test subfolder to the folder containing the feature.
2. Create a `testlist.mk` and a `rules.mk` file in that folder.
3. Include those files from the root folder `testlist.mk`and `build_test.mk` respectively.
4. Add a new name for your testgroup to the `testlist.mk` file. Each group defined there will be a separate executable. And that's how you can support mocking out different parts. Note that it's worth adding some common prefix, just like it's done for the serial_link tests. The reason for that is that the make command allows substring filtering, so this way you can easily run a subset of the tests.
5. Define the source files and required options in the `rules.mk` file.
* `_SRC` for source files
* `_DEFS` for additional defines
* `_INC` for additional include folders
6. Write the tests in a new cpp file inside the test folder you created. That file has to be one of the files included from the `rules.mk` file.
Note how there's several different tests, each mocking out a separate part. Also note that each of them only compiles the very minimum that's needed for the tests. It's recommend that you try to do the same. For a relevant video check out [Matt Hargett "Advanced Unit Testing in C & C++](https://www.youtube.com/watch?v=Wmy6g-aVgZI)
## Running the tests
To run all the tests in the codebase, type `make test`. You can also run test matching a substring by typing `make test-matchingsubstring` Note that the tests are always compiled with the native compiler of your platform, so they are also run like any other program on your computer.
## Debugging the tests
If there are problems with the tests, you can find the executable in the `./build/test` folder. You should be able to run those with GDB or a similar debugger.
## Full Integration tests
It's not yet possible to do a full integration test, where you would compile the whole firmware and define a keymap that you are going to test. However there are plans for doing that, because writing tests that way would probably be easier, at least for people that are not used to unit testing.
In that model you would emulate the input, and expect a certain output from the emulated keyboard.
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