mouse.dtsi

#include <dt-bindings/zmk/mouse.h>

&mmv {
  acceleration-exponent = <1>;      // 1
  time-to-max-speed-ms = <500>;    // 40
  delay-ms = <0>;                   // 0
};

&mwh {
  acceleration-exponent = <0>;      // 0
  time-to-max-speed-ms = <2500>;    // 40
  delay-ms = <0>;                   // 10
};

#define U_MOUSE_MOVE_MAX 1750       // 600
#define U_MOUSE_SCROLL_MAX 15      // 10

#undef MOVE_UP
#undef MOVE_DOWN
#undef MOVE_LEFT
#undef MOVE_RIGHT
#define MOVE_UP MOVE_VERT(-U_MOUSE_MOVE_MAX)
#define MOVE_DOWN MOVE_VERT(U_MOUSE_MOVE_MAX)
#define MOVE_LEFT MOVE_HOR(-U_MOUSE_MOVE_MAX)
#define MOVE_RIGHT MOVE_HOR(U_MOUSE_MOVE_MAX)

#undef SCROLL_UP
#undef SCROLL_DOWN
#undef SCROLL_LEFT
#undef SCROLL_RIGHT
#define SCROLL_UP SCROLL_VERT(U_MOUSE_SCROLL_MAX)
#define SCROLL_DOWN SCROLL_VERT(-U_MOUSE_SCROLL_MAX)
#define SCROLL_LEFT SCROLL_HOR(-U_MOUSE_SCROLL_MAX)
#define SCROLL_RIGHT SCROLL_HOR(U_MOUSE_SCROLL_MAX)

#define U_BTN1 &mkp MB1
#define U_BTN2 &mkp MB2
#define U_BTN3 &mkp MB3
#define U_MS_U &mmv MOVE_UP
#define U_MS_D &mmv MOVE_DOWN
#define U_MS_L &mmv MOVE_LEFT
#define U_MS_R &mmv MOVE_RIGHT
#define U_WH_U &mwh SCROLL_UP
#define U_WH_D &mwh SCROLL_DOWN
#define U_WH_L &mwh SCROLL_LEFT
#define U_WH_R &mwh SCROLL_RIGHT