69 lines
2.7 KiB
Markdown
69 lines
2.7 KiB
Markdown
# Ploopyco Trackball
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It's a DIY, QMK Powered Trackball!!!!
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Everything works. However the scroll wheel has some issues and acts very odd.
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* Keyboard Maintainer: [PloopyCo](https://github.com/ploopyco), [Drashna Jael're](https://github.com/drashna/), [Germ](https://github.com/germ/)
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* Hardware Supported: ATMega32u4 8MHz(3.3v)
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* Hardware Availability: [Store](https://ploopy.co), [GitHub](https://github.com/ploopyco)
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Make example for this keyboard (after setting up your build environment):
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make ploopyco/trackball:default:flash
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To jump to the bootloader, hold down "Button 4" (immediate right of the trackball)
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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).
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# Customzing your PloopyCo Trackball
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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.
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The default behavior for this is:
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```c
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void process_wheel_user(report_mouse_t* mouse_report, int16_t h, int16_t v) {
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mouse_report->h = h;
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mouse_report->v = v;
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}
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void process_mouse_user(report_mouse_t* mouse_report, int16_t x, int16_t y) {
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mouse_report->x = x;
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mouse_report->y = y;
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}
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```
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This should allow you to more heavily customize the behavior.
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Alternatively, the `process_wheel` and `process_mouse` functions can both be replaced too, to allow for even more functionality.
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Additionally, you can change the DPI/CPI or speed of the trackball 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:
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#define PMW_CPI 1600
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# Programming QMK-DFU onto the PloopyCo Trackball
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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:
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make ploopyco/trackball:default:production
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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:
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| Fuse | Setting |
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|----------|------------------|
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| Low | `0xDF` |
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| High | `0xD8` or `0x98` |
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| Extended | `0xCB` |
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Original (Caterina) settings:
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| Fuse | Setting |
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|----------|------------------|
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| Low | `0xFF` |
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| High | `0xD8` |
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| Extended | `0xFE` |
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