123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132 |
- /*
- Copyright 2011 Jun Wako <[email protected]>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #include <stdint.h>
- #include <util/delay.h>
- #include "usb_keycodes.h"
- #include "host.h"
- #include "timer.h"
- #include "print.h"
- #include "debug.h"
- #include "mousekey.h"
-
-
- static report_mouse_t report;
- static report_mouse_t report_prev;
-
- static uint8_t mousekey_repeat = 0;
-
- static void mousekey_debug(void);
-
-
- /*
- * TODO: fix acceleration algorithm
- * see wikipedia http://en.wikipedia.org/wiki/Mouse_keys
- */
- #ifndef MOUSEKEY_DELAY_TIME
- # define MOUSEKEY_DELAY_TIME 255
- #endif
-
- // acceleration parameters
- uint8_t mousekey_move_unit = 2;
- uint8_t mousekey_resolution = 5;
-
-
- static inline uint8_t move_unit(void)
- {
- uint16_t unit = 5 + mousekey_repeat*2;
- return (unit > 63 ? 63 : unit);
- }
-
- void mousekey_decode(uint8_t code)
- {
- if (code == KB_MS_UP) report.y = -move_unit();
- else if (code == KB_MS_DOWN) report.y = move_unit();
- else if (code == KB_MS_LEFT) report.x = -move_unit();
- else if (code == KB_MS_RIGHT) report.x = move_unit();
- else if (code == KB_MS_BTN1) report.buttons |= MOUSE_BTN1;
- else if (code == KB_MS_BTN2) report.buttons |= MOUSE_BTN2;
- else if (code == KB_MS_BTN3) report.buttons |= MOUSE_BTN3;
- else if (code == KB_MS_BTN4) report.buttons |= MOUSE_BTN4;
- else if (code == KB_MS_BTN5) report.buttons |= MOUSE_BTN5;
- else if (code == KB_MS_WH_UP) report.v += move_unit()/4;
- else if (code == KB_MS_WH_DOWN) report.v -= move_unit()/4;
- else if (code == KB_MS_WH_LEFT) report.h -= move_unit()/4;
- else if (code == KB_MS_WH_RIGHT)report.h += move_unit()/4;
- }
-
- bool mousekey_changed(void)
- {
- return (report.buttons != report_prev.buttons ||
- report.x || report.y || report.v || report.h);
- }
-
- void mousekey_send(void)
- {
- static uint16_t last_timer = 0;
-
- if (!mousekey_changed()) {
- mousekey_repeat = 0;
- mousekey_clear_report();
- return;
- }
-
- // send immediately when buttun state is changed
- if (report.buttons == report_prev.buttons) {
- if (timer_elapsed(last_timer) < 100) {
- mousekey_clear_report();
- return;
- }
- }
-
- if (mousekey_repeat != 0xFF) {
- mousekey_repeat++;
- }
-
- if (report.x && report.y) {
- report.x *= 0.7;
- report.y *= 0.7;
- }
-
- mousekey_debug();
- host_mouse_send(&report);
- report_prev = report;
- last_timer = timer_read();
- mousekey_clear_report();
- }
-
- void mousekey_clear_report(void)
- {
- report.buttons = 0;
- report.x = 0;
- report.y = 0;
- report.v = 0;
- report.h = 0;
- }
-
- static void mousekey_debug(void)
- {
- if (!debug_mouse) return;
- print("mousekey[btn|x y v h]: ");
- phex(report.buttons); print("|");
- phex(report.x); print(" ");
- phex(report.y); print(" ");
- phex(report.v); print(" ");
- phex(report.h);
- phex(mousekey_repeat);
- print("\n");
- }
|