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Add support for PAW3204 Optical Sensor (#17669)

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Co-authored-by: gompa <gompa@h-bomb.nl>
Co-authored-by: Stefan Kerkmann <karlk90@pm.me>
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Drashna Jaelre 2022-07-19 17:46:22 -07:00 • committed by GitHub
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18
docs/feature_pointing_device.md
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@ -136,6 +136,24 @@ Also see the `POINTING_DEVICE_TASK_THROTTLE_MS`, which defaults to 10ms when usi
**`POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE`** is not specific to Cirque trackpad; any pointing device with a lift/contact status can integrate this gesture into its driver. e.g. PMW3360 can use Lift_Stat from Motion register. Note that `POINTING_DEVICE_MOTION_PIN` cannot be used with this feature; continuous polling of `pointing_device_get_report()` is needed to generate glide reports.
### PAW 3204 Sensor
To use the paw 3204 sensor, add this to your `rules.mk`
```make
POINTING_DEVICE_DRIVER = paw3204
```
The paw 3204 sensor uses a serial type protocol for communication, and requires an additional light source.
| Setting | Description |
|--------------------|---------------------------------------------------------------------|
|`PAW3204_SCLK_PIN` | (Required) The pin connected to the clock pin of the sensor. |
|`PAW3204_SDIO_PIN` | (Required) The pin connected to the data pin of the sensor. |
The CPI range is 400-1600, with supported values of (400, 500, 600, 800, 1000, 1200 and 1600). Defaults to 1000 CPI.
### Pimoroni Trackball
To use the Pimoroni Trackball module, add this to your `rules.mk`: