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75 lines
2.9 KiB
Markdown
75 lines
2.9 KiB
Markdown
## Programmable Button
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Programmable button is a feature that can be used to send keys that have no
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predefined meaning.
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This means they can be processed on the host side by custom software without
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colliding without the operating system trying to interpret these keys.
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The keycodes are emitted according to the HID usage
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"Telephony Device Page" (0x0B), "Programmable button usage" (0x07).
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On Linux (> 5.14) they are handled automatically and translated to `KEY_MACRO#`
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keycodes.
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(Up to `KEY_MACRO30`)
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### Enabling Programmable Button support
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To enable Programmable Button, add the following line to your keymap’s `rules.mk`:
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```c
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PROGRAMMABLE_BUTTON_ENABLE = yes
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```
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### Mapping
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In your keymap you can use the following keycodes to map key presses to Programmable Buttons:
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|Key |Description |
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|------------------------|----------------------|
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|`PROGRAMMABLE_BUTTON_1` |Programmable button 1 |
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|`PROGRAMMABLE_BUTTON_2` |Programmable button 2 |
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|`PROGRAMMABLE_BUTTON_3` |Programmable button 3 |
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|`PROGRAMMABLE_BUTTON_4` |Programmable button 4 |
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|`PROGRAMMABLE_BUTTON_5` |Programmable button 5 |
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|`PROGRAMMABLE_BUTTON_6` |Programmable button 6 |
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|`PROGRAMMABLE_BUTTON_7` |Programmable button 7 |
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|`PROGRAMMABLE_BUTTON_8` |Programmable button 8 |
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|`PROGRAMMABLE_BUTTON_9` |Programmable button 9 |
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|`PROGRAMMABLE_BUTTON_10`|Programmable button 10|
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|`PROGRAMMABLE_BUTTON_11`|Programmable button 11|
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|`PROGRAMMABLE_BUTTON_12`|Programmable button 12|
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|`PROGRAMMABLE_BUTTON_13`|Programmable button 13|
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|`PROGRAMMABLE_BUTTON_14`|Programmable button 14|
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|`PROGRAMMABLE_BUTTON_15`|Programmable button 15|
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|`PROGRAMMABLE_BUTTON_16`|Programmable button 16|
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|`PROGRAMMABLE_BUTTON_17`|Programmable button 17|
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|`PROGRAMMABLE_BUTTON_18`|Programmable button 18|
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|`PROGRAMMABLE_BUTTON_19`|Programmable button 19|
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|`PROGRAMMABLE_BUTTON_20`|Programmable button 20|
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|`PROGRAMMABLE_BUTTON_21`|Programmable button 21|
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|`PROGRAMMABLE_BUTTON_22`|Programmable button 22|
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|`PROGRAMMABLE_BUTTON_23`|Programmable button 23|
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|`PROGRAMMABLE_BUTTON_24`|Programmable button 24|
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|`PROGRAMMABLE_BUTTON_25`|Programmable button 25|
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|`PROGRAMMABLE_BUTTON_26`|Programmable button 26|
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|`PROGRAMMABLE_BUTTON_27`|Programmable button 27|
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|`PROGRAMMABLE_BUTTON_28`|Programmable button 28|
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|`PROGRAMMABLE_BUTTON_29`|Programmable button 29|
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|`PROGRAMMABLE_BUTTON_30`|Programmable button 30|
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|`PROGRAMMABLE_BUTTON_31`|Programmable button 31|
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|`PROGRAMMABLE_BUTTON_32`|Programmable button 32|
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|`PB_1` to `PB_32` |Aliases for keymaps |
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### API
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You can also use a dedicated API defined in `programmable_button.h` to interact with this feature:
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```
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void programmable_button_clear(void);
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void programmable_button_send(void);
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void programmable_button_on(uint8_t code);
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void programmable_button_off(uint8_t code);
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bool programmable_button_is_on(uint8_t code);
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uint32_t programmable_button_get_report(void);
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void programmable_button_set_report(uint32_t report);
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```
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