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Add PixArt PAW-3222 mouse sensor driver (#25763)

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ploopyco 2025-11-11 17:02:52 -05:00 • committed by GitHub
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docs/features/pointing_device.md
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@ -267,6 +267,23 @@ The paw 3204 sensor uses a serial type protocol for communication, and requires
The CPI range is 400-1600, with supported values of (400, 500, 600, 800, 1000, 1200 and 1600). Defaults to 1000 CPI.
### PAW-3222 Sensor
To use the PAW-3222 sensor, add this to your `rules.mk`:
```make
POINTING_DEVICE_DRIVER = paw3222
```
The following pins must be defined in `config.h`:
| Setting (`config.h`) | Description | Default |
| --------------------- | ------------------------------------------------------------------ | ---------------------------- |
| `PAW3222_CS_PIN` | (Required) The pin connected to the chip select pin of the sensor. | `POINTING_DEVICE_CS_PIN` |
| `PAW3222_SPI_DIVISOR` | (Required) The SPI clock divisor. This is dependent on your MCU. | _not defined_ |
The CPI range is up to 4,000. Defaults to 1,000 CPI.
### Pimoroni Trackball
To use the Pimoroni Trackball module, add this to your `rules.mk`: