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arrow_pad keyboard firmware
======================
## Keyboard Info
The ArrowPad is a wired conversion that can be made to any stand-alone keypad. It uses two main layers - a standard numpad, and a more advanced arrow cluster navigator.
The first 24-key ArrowPad was handwired, but the PCB was wired as listed below.
```
<Chip Ref Des> pin <Pin #>
<Keycap Name> (Silkscreen Name if different) - <Switch Pin #>
Note:
U2 pin 2 is the Num Lock LED and is active low.
U2 pin 1
Clear (Num Lock) - 1
Enter - 2
Esc (ESC) - 2
U2 pin 3
- - 1
U2 pin 4
7 - 2
8 - 2
9 - 2
U2 pin 5
* - 2
Delete (BACK SPACE) - 2
U2 pin 6
1 - 2
0 - 2
. - 2
, - 2
U2 pin 7
4 - 2
5 - 2
6 - 2
U2 pin 8
Tab - 2
= (/) - 2
U2 pin 13
Delete (BACK SPACE) - 1
9 - 1
6 - 1
3 - 1
. - 1
U2 pin 14
Tab - 1
8 - 1
5 - 1
2 - 1
0 - 1
U2 pin 15
Esc (ESC) - 1
= (/) - 1
/ (*) - 1
7 - 1
4 - 1
1 - 1
+ - 1
U2 pin 16
Enter - 1
* (<--) - 1
, - 1
U2 pin 17
Fn (#NAME?) - 1
- - 2
Clear (Num Lock) - 2
U2 pin 18
Fn (#NAME?) - 2
* (<--) - 2
+ - 2
3 - 2
2 - 2
```
More info can be found on [GeekHack](https://geekhack.org/index.php?topic=73632.msg1802497#msg1802497)
The second ArrowPad was a conversion from a 21-key Genovation keypad. It used a 2 row x 11 column matrix.
```
#define KEYMAP( \
KM_ESC, KM_TAB, KM_BSL, KM_ARR, \
KM_NUM, KM_FSL, KM_AST, KM_MIN, \
KM___7, KM___8, KM___9, ___PLS, \
KM___4, KM___5, KM___6, KM_PLS, \
KM___1, KM___2, KM___3, ___ENT, \
KM___0, _____0, KM_DOT, KM_ENT \
) { \
{ KM_ESC, KM_TAB, KM_BSL, KM_ARR, KM___7, KM___8, KM___9, KM_PLS, KM___1, KM___2, KM___3, }, \
{ KM_NUM, KM_FSL, KM_AST, KM_MIN, KM___4, KM___5, KM___6, KM_ENT, KC_NO, KM___0, KM_DOT, }, \
}
```
## Quantum MK Firmware
For the full Quantum feature list, see [the parent readme.md](/readme.md).
## Building
Download or clone the whole firmware and navigate to the keyboards/arrow_pad folder. Once your dev env is setup, you'll be able to type `make` to generate your .hex - you can then use the Teensy Loader to program your .hex file.
Depending on which keymap you would like to use, you will have to compile slightly differently.
### Default
To build with the default keymap, simply run `make default`.
### Other Keymaps
Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `<name>.c` in the keymaps folder, and see keymap document (you can find in top readme.md) and existent keymap files.
To build the firmware binary hex file with a keymap just do `make` with a keymap like this:
```
$ make [default|pad_21|pad_24|<name>]
```
Keymaps follow the format **__\<name\>.c__** and are stored in the `keymaps` folder.
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