132 lines
3.4 KiB
C
Executable file
132 lines
3.4 KiB
C
Executable file
/*
|
|
Copyright 2011 Jun Wako <wakojun@gmail.com>
|
|
|
|
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");
|
|
}
|