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feat(docs): Update kscan config docs

xmkb
Joel Spadin 2 years ago committed by Julia Luna
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Signed by: xenua
GPG Key ID: 6A0C04FA9A7D7582
1 changed files with 18 additions and 28 deletions
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  1. 46
      docs/docs/config/kscan.md

46
docs/docs/config/kscan.md
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@ -14,11 +14,14 @@ Definition files: @@ -14,11 +14,14 @@ Definition files:
- [zmk/app/Kconfig](https://github.com/zmkfirmware/zmk/blob/main/app/Kconfig)
- [zmk/app/drivers/kscan/Kconfig](https://github.com/zmkfirmware/zmk/blob/main/app/drivers/kscan/Kconfig)
| Config | Type | Description | Default |
| ----------------------------------- | ---- | ------------------------------------------------------ | ------- |
| `CONFIG_ZMK_KSCAN_GPIO_DRIVER` | bool | Enable GPIO keyboard scan driver to detect key presses | y |
| `CONFIG_ZMK_KSCAN_EVENT_QUEUE_SIZE` | int | Size of the event queue for kscan events | 4 |
| `CONFIG_ZMK_KSCAN_INIT_PRIORITY` | int | Keyboard scan device driver initialization priority | 40 |
| Config | Type | Description | Default |
| -------------------------------------- | ---- | ---------------------------------------------------- | ------- |
| `CONFIG_ZMK_KSCAN_EVENT_QUEUE_SIZE` | int | Size of the event queue for kscan events | 4 |
| `CONFIG_ZMK_KSCAN_INIT_PRIORITY` | int | Keyboard scan device driver initialization priority | 40 |
| `CONFIG_ZMK_KSCAN_DEBOUNCE_PRESS_MS` | int | Global debounce time for key press in milliseconds | -1 |
| `CONFIG_ZMK_KSCAN_DEBOUNCE_RELEASE_MS` | int | Global debounce time for key release in milliseconds | -1 |
If the debounce press/release values are set to any value other than `-1`, they override the `debounce-press-ms` and `debounce-release-ms` devicetree properties for all keyboard scan drivers which support them.
### Devicetree
@ -87,13 +90,16 @@ Applies to: `compatible = "zmk,kscan-gpio-matrix"` @@ -87,13 +90,16 @@ Applies to: `compatible = "zmk,kscan-gpio-matrix"`
Definition file: [zmk/app/drivers/zephyr/dts/bindings/kscan/zmk,kscan-gpio-matrix.yaml](https://github.com/zmkfirmware/zmk/blob/main/app/drivers/zephyr/dts/bindings/kscan/zmk%2Ckscan-gpio-matrix.yaml)
| Property | Type | Description | Default |
| ----------------- | ---------- | ------------------------------------------------------------ | ----------- |
| `label` | string | Unique label for the node | |
| `row-gpios` | GPIO array | Matrix row GPIOs in order, starting from the top row | |
| `col-gpios` | GPIO array | Matrix column GPIOs in order, starting from the leftmost row | |
| `debounce-period` | int | Debounce period in milliseconds | 5 |
| `diode-direction` | string | The direction of the matrix diodes | `"row2col"` |
| Property | Type | Description | Default |
| ------------------------- | ---------- | -------------------------------------------------------------------------------------------------- | ----------- |
| `label` | string | Unique label for the node | |
| `row-gpios` | GPIO array | Matrix row GPIOs in order, starting from the top row | |
| `col-gpios` | GPIO array | Matrix column GPIOs in order, starting from the leftmost row | |
| `debounce-press-ms` | int | Debounce time for key press in milliseconds. Use 0 for eager debouncing. | 5 |
| `debounce-release-ms` | int | Debounce time for key release in milliseconds. | 5 |
| `debounce-scan-period-ms` | int | Time between reads in milliseconds when any key is pressed. | 1 |
| `diode-direction` | string | The direction of the matrix diodes | `"row2col"` |
| `poll-period-ms` | int | Time between reads in milliseconds when no key is pressed and ZMK_KSCAN_MATRIX_POLLING is enabled. | 10 |
The `diode-direction` property must be one of:
@ -106,14 +112,6 @@ The `diode-direction` property must be one of: @@ -106,14 +112,6 @@ The `diode-direction` property must be one of:
Keyboard scan driver which combines multiple other keyboard scan drivers.
### Kconfig
Definition file: [zmk/app/Kconfig](https://github.com/zmkfirmware/zmk/blob/main/app/Kconfig)
| Config | Type | Description | Default |
| ----------------------------------- | ---- | ----------------------------- | ------- |
| `CONFIG_ZMK_KSCAN_COMPOSITE_DRIVER` | bool | Enable composite kscan driver | n |
### Devicetree
Applies to : `compatible = "zmk,kscan-composite"`
@ -227,14 +225,6 @@ One possible way to do this is a 3x4 matrix where the direct GPIO keys are shift @@ -227,14 +225,6 @@ One possible way to do this is a 3x4 matrix where the direct GPIO keys are shift
Mock keyboard scan driver that simulates key events.
### Kconfig
Definition file: [zmk/app/Kconfig](https://github.com/zmkfirmware/zmk/blob/main/app/Kconfig)
| Config | Type | Description | Default |
| ------------------------------ | ---- | ------------------------ | ------- |
| `CONFIG_ZMK_KSCAN_MOCK_DRIVER` | bool | Enable mock kscan driver | n |
### Devicetree
Applies to: `compatible = "zmk,kscan-mock"`

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