blob: 76bd0fd3630fcaa8d3744d3b88e60823e3605a01 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
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");
}
|
