# Kaleidoscope-EEPROM-Keymap
![status][st:stable] [![Build Status][travis:image]][travis:status]
[travis:image]: https://travis-ci.org/keyboardio/Kaleidoscope-EEPROM-Keymap.svg?branch=master
[travis:status]: https://travis-ci.org/keyboardio/Kaleidoscope-EEPROM-Keymap
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Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
While keyboards usually ship with a keymap programmed in, to be able to change that keymap, without flashing new firmware, we need a way to place the keymap into a place we can update at run-time, and which persists across reboots. Fortunately, we have a bit of `EEPROM` on the keyboard, and can use it to store either the full keymap (and saving space in the firmware then), or store additional layers there.
In short, this plugin allows us to change our keymaps, without having to compile and flash new firmware. It does so through the use of the [FocusSerial][plugin:focusSerial] plugin.
[plugin:focusSerial]: https://github.com/keyboardio/Kaleidoscope-FocusSerial
## Using the plugin
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
Using the plugin is reasonably simple: after including the header, enable the plugin, and configure how many layers at most we want to store in `EEPROM` . There are other settings one can tweak, but these two steps are enough to get started with.
Once these are set up, we can update the keymap via [Focus][plugin:focusSerial].
```c++
#include <Kaleidoscope.h>
#include <Kaleidoscope-EEPROM-Keymap.h>
#include <Kaleidoscope-FocusSerial.h>
KALEIDOSCOPE_INIT_PLUGINS(EEPROMKeymap,
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
Focus);
void setup() {
Kaleidoscope.setup();
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
EEPROMKeymap.setup(1);
}
```
## Plugin methods
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
The plugin provides the `EEPROMKeymap` object, which has the following method:
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
### `.setup(layers[, mode])`
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
> Reserve space in EEPROM for up to `layers` layers, and set things up to work according to the specified `mode` (see below for a list of supported modes). To be called from the `setup` method of one's sketch.
>
> Supported modes are:
> - `EEPROMKeymap.Mode::EXTEND`: Extend the keymap with layers from EEPROM, treating them as extensions of the main keymap embedded in the firmware. The first layer in EEPROM will have a number one higher than the last layer in PROGMEM. In this case, the total number of layers will be the number of them in PROGMEM plus `layers`.
> - `EEPROMKeymap.Mode::CUSTOM`: For advanced use cases where the `EXTEND` mode is not appropriate. In this case, the plugin merely reserves a slice of EEPROM for the requested amount of layers, but does no other configuration - that's entirely up to the Sketch.
## Focus commands
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
The plugin provides the `keymap.map` and a `keymap.roLayers` commands.
### `keymap.map [codes...]`
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
> Without arguments, displays the keymap currently in effect. Each key is printed as its raw, 16-bit keycode.
>
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
> With arguments, it stores as many keys as given. One does not need to set all keys, on all layers: the command will start from the first key on the first layer, and go on as long as it has input. It will not go past the total amount of layers (that is, `layer_count`).
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
### `keymap.roLayers`
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
> Returns the number of read-only layers. This only makes sense for the `EEPROMKeymap.Mode::EXTEND` mode, where it returns the number of layers in PROGMEM. In any other case, it doesn't return anything, doing so is left for another event handler that understands what the correct value would be.
## Dependencies
* [Kaleidoscope-EEPROM-Settings ](https://github.com/keyboardio/Kaleidoscope-EEPROM-Settings )
* [Kaleidoscope-FocusSerial ](https://github.com/keyboardio/Kaleidoscope-FocusSerial )
## Further reading
Redesign the plugin setup procedure
Instead of a low-level interface where one has to set the EEPROM-stored layers
and the lookup method separately, introduce a `setup` method that combines the
two in a much easier to grasp interface. It takes a layer number, and an
optional mode, and sets things up accordingly.
With this new setup procedure comes a new way of how the plugin works: instead
of being able to override the keymap in EEPROM, we extend it (or use a custom
implementation, for advanced use-cases). The default layer can still be set via
Focus, thus effectively overriding the keymap in PROGMEM. To better support
this, a new Focus command is introduced too: `keymap.roLayers`, which returns
the number of layers in PROGMEM.
The `keymap.transfer` Focus command is removed, because it can be done much more
reliably from the host side, building on top of `keymap.map`.
The rest of the lower-level interface is still there, though undocumented, for
advanced use-cases the new simplified setup does not fit.
Signed-off-by: Gergely Nagy <algernon@keyboard.io>
6 years ago
Starting from the [example][plugin:example] is the recommended way of getting started with the plugin.
[plugin:example]: https://github.com/keyboardio/Kaleidoscope-EEPROM-Keymap/blob/master/examples/EEPROM-Keymap/EEPROM-Keymap.ino
