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Add option to reverse PS2 mouse axes and scrolling

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This commit is contained in:
Jesper Brix Rosenkilde 2017-09-22 13:58:49 +02:00 • committed by Jack Humbert
parent 109b2ae0bd
commit 966e2660cf
2 changed files with 32 additions and 0 deletions
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20
docs/feature_ps2_mouse.md
View file

@ -227,6 +227,26 @@ Fine control over the scrolling is supported with the following defines:
#define PS2_MOUSE_SCROLL_DIVISOR_V 2
```
#### Invert mouse and scroll axes
To invert the X and Y axes you can put:
```
#define PS2_MOUSE_INVERT_X
#define PS2_MOUSE_INVERT_Y
```
into config.h.
To reverse the scroll axes you can put:
```
#define PS2_MOUSE_INVERT_H
#define PS2_MOUSE_INVERT_V
```
into config.h.
#### Debug settings
To debug the mouse, add `debug_mouse = true` or enable via bootmagic.

12
tmk_core/protocol/ps2_mouse.c
View file

@ -169,8 +169,14 @@ static inline void ps2_mouse_convert_report_to_hid(report_mouse_t *mouse_report)
// remove sign and overflow flags
mouse_report->buttons &= PS2_MOUSE_BTN_MASK;
#ifdef PS2_MOUSE_INVERT_X
mouse_report->x = -mouse_report->x;
#endif
#ifndef PS2_MOUSE_INVERT_Y // NOTE if not!
// invert coordinate of y to conform to USB HID mouse
mouse_report->y = -mouse_report->y;
#endif
}
static inline void ps2_mouse_clear_report(report_mouse_t *mouse_report) {
@ -227,6 +233,12 @@ static inline void ps2_mouse_scroll_button_task(report_mouse_t *mouse_report) {
mouse_report->h = mouse_report->x/(PS2_MOUSE_SCROLL_DIVISOR_H);
mouse_report->x = 0;
mouse_report->y = 0;
#ifdef PS2_MOUSE_INVERT_H
mouse_report->h = -mouse_report->h;
#endif
#ifdef PS2_MOUSE_INVERT_V
mouse_report->v = -mouse_report->v;
#endif
}
} else if (0 == (PS2_MOUSE_SCROLL_BTN_MASK & mouse_report->buttons)) {
// None of the scroll buttons are pressed