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Add PS2_MOUSE_ROTATE to compensate for device orientation #8650

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merged 3 commits into from
Apr 9, 2020
Merged

Add PS2_MOUSE_ROTATE to compensate for device orientation #8650

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56e36e4
Add PS2_MOUSE_ROTATE to compensate for device orientation
manna-harbour Apr 1, 2020
1ade0d3
fixup! Add PS2_MOUSE_ROTATE to compensate for device orientation
manna-harbour Apr 6, 2020
bceaabc
Reformat with IndentPPDirectives: AfterHash as per #6316
manna-harbour Apr 6, 2020
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9 changes: 9 additions & 0 deletions docs/feature_ps2_mouse.md
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,15 @@ To reverse the scroll axes you can put:

into config.h.

### Rotate Mouse Axes :id=rotate-mouse-axes

Rotate the X and Y axes by 90, 180, or 270 degrees to compensate for device
orientation:

```c
#define PS2_MOUSE_ROTATE 270 /* trackpoint module rotated clockwise 90 degrees */
```

### Debug Settings :id=debug-settings

To debug the mouse, add `debug_mouse = true` or enable via bootmagic.
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15 changes: 15 additions & 0 deletions tmk_core/protocol/ps2_mouse.c
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Expand Up @@ -157,6 +157,21 @@ static inline void ps2_mouse_convert_report_to_hid(report_mouse_t *mouse_report)
// invert coordinate of y to conform to USB HID mouse
mouse_report->y = -mouse_report->y;
#endif

#ifdef PS2_MOUSE_ROTATE
int8_t x = mouse_report->x;
int8_t y = mouse_report->y;
#if PS2_MOUSE_ROTATE == 90
mouse_report->x = y;
mouse_report->y = -x;
#elif PS2_MOUSE_ROTATE == 180
mouse_report->x = -x;
mouse_report->y = -y;
#elif PS2_MOUSE_ROTATE == 270
mouse_report->x = -y;
mouse_report->y = x;
#endif
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#endif
}

static inline void ps2_mouse_clear_report(report_mouse_t *mouse_report) {
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