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# Ploopyco Mouse

![Ploopyco Mouse](https://i.redd.it/bf7bkzqzeti51.jpg)

It's a DIY, QMK Powered Trackball!!!!

Everything works. However the scroll wheel has some issues and acts very odd.

* Keyboard Maintainer: [PloopyCo](https://github.com/ploopyco), [Drashna Jael're](https://github.com/drashna/), [Germ](https://github.com/germ/)
* Hardware Supported: ATMega32u4 8MHz(3.3v)  
* Hardware Availability: [Store](https://ploopy.co), [GitHub](https://github.com/ploopyco)

Make example for this keyboard (after setting up your build environment):

    make ploopyco/mouse:default:flash
    
To jump to the bootloader, hold down "Button 4" (immediate right of the Mouse) 

See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).

# Customzing your PloopyCo Trackball

While the defaults are designed so that it can be plugged in and used right away, there are a number of things that you may want to change.  Such as adding DPI control, or to use the ball to scroll while holding a button.   To allow for this sort of control, there is a callback for both the scroll wheel and the mouse censor. 

The default behavior for this is:

```c
void process_wheel_user(report_mouse_t* mouse_report, int16_t h, int16_t v) {
    mouse_report->h = h;
    mouse_report->v = v;
}

void process_mouse_user(report_mouse_t* mouse_report, int16_t x, int16_t y) {
    mouse_report->x = x;
    mouse_report->y = y;
}
```

This should allow you to more heavily customize the behavior. 

Alternatively, the `process_wheel` and `process_mouse` functions can both be replaced too, to allow for even more functionality.

Additionally, you can change the DPI/CPI or speed of the Mouse by calling `pmw_set_cpi` at any time. And tThe default can be changed by adding a define to the keymap's `config.h` file:

    #define PMW_CPI 1600

# Programming QMK-DFU onto the PloopyCo Mouse

If you would rather have DFU on this board, you can use the QMK-DFU bootloader on the device.  To do so, you want to run: 

    make ploopyco/trackball:default:production

Once you have that, you'll need to [ISP Flash](https://docs.qmk.fm/#/isp_flashing_guide) the chip with the new bootloader hex file created (or the production hex), and set the fuses:


| Fuse     | Setting          |
|----------|------------------|
| Low      | `0xDF`           |
| High     | `0xD8` or `0x98` |
| Extended | `0xCB`           |

Original (Caterina) settings: 

| Fuse     | Setting          |
|----------|------------------|
| Low      | `0xFF`           |
| High     | `0xD8`           |
| Extended | `0xFE`           |