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- #include <stdint.h>
- #include <util/delay.h>
- #include "usb_keycodes.h"
- #include "usb_mouse.h"
- #include "mousekey.h"
-
-
- static int8_t mousekey_x = 0;
- static int8_t mousekey_y = 0;
- static int8_t mousekey_v = 0;
- static int8_t mousekey_h = 0;
- static uint8_t mousekey_btn = 0;
- static uint8_t mousekey_btn_prev = 0;
- static uint8_t mousekey_repeat = 0;
-
-
- /*
- * TODO: fix acceleration algorithm
- * see wikipedia http://en.wikipedia.org/wiki/Mouse_keys
- */
- #ifndef MOUSEKEY_DELAY_TIME
- # define MOUSEKEY_DELAY_TIME 255
- #endif
-
-
- static inline uint8_t move_unit(void)
- {
- return 10 + (mousekey_repeat < 50 ? mousekey_repeat/5 : 10);
- }
-
- void mousekey_decode(uint8_t code)
- {
- if (code == MS_UP) mousekey_y -= move_unit();
- else if (code == MS_DOWN) mousekey_y += move_unit();
- else if (code == MS_LEFT) mousekey_x -= move_unit();
- else if (code == MS_RGHT) mousekey_x += move_unit();
- else if (code == MS_BTN1) mousekey_btn |= MOUSE_BTN1;
- else if (code == MS_BTN2) mousekey_btn |= MOUSE_BTN2;
- else if (code == MS_BTN3) mousekey_btn |= MOUSE_BTN3;
- else if (code == MS_BTN4) mousekey_btn |= MOUSE_BTN4;
- else if (code == MS_BTN5) mousekey_btn |= MOUSE_BTN5;
- else if (code == MS_WH_U) mousekey_v += 1;
- else if (code == MS_WH_D) mousekey_v -= 1;
- else if (code == MS_WH_L) mousekey_h -= 1;
- else if (code == MS_WH_R) mousekey_h += 1;
- }
-
- bool mousekey_changed(void)
- {
- return (mousekey_x || mousekey_y || mousekey_v || mousekey_h || mousekey_btn != mousekey_btn_prev);
- }
-
- void mousekey_usb_send(void)
- {
- if (mousekey_changed()) {
- mousekey_btn_prev = mousekey_btn;
- if (mousekey_x && mousekey_y)
- usb_mouse_send(mousekey_x*0.7, mousekey_y*0.7, mousekey_v, mousekey_h, mousekey_btn);
- else
- usb_mouse_send(mousekey_x, mousekey_y, mousekey_v, mousekey_h, mousekey_btn);
-
- usb_mouse_print(mousekey_x, mousekey_y, mousekey_v, mousekey_h, mousekey_btn);
-
- _delay_ms(MOUSEKEY_DELAY_TIME >> (mousekey_repeat < 5 ? mousekey_repeat : 4));
- mousekey_repeat++;
- } else {
- mousekey_repeat = 0;
- }
- mousekey_x = 0;
- mousekey_y = 0;
- mousekey_v = 0;
- mousekey_h = 0;
- mousekey_btn = 0;
- }
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