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
133
|
/***************************************************************************
*
* Multitouch X driver
* Copyright (C) 2008 Henrik Rydberg <rydberg@euromail.se>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#include "hwdata.h"
void init_hwdata(struct HWData *hw)
{
memset(hw, 0, sizeof(struct HWData));
}
static void set_value(struct HWData *hw, int code, int value)
{
if (hw->nread < DIM_FINGER) {
(&hw->finger[hw->nread].touch_major)[code] = value;
SETBIT(hw->mread[hw->nread], code);
}
hw->mtread++;
}
static void accept_finger(struct HWData *hw)
{
if (hw->nread < DIM_FINGER &&
GETBIT(hw->mread[hw->nread], BIT_MT_POSITION_X) &&
GETBIT(hw->mread[hw->nread], BIT_MT_POSITION_Y)) {
hw->mask[hw->nread] = hw->mread[hw->nread];
hw->nread++;
}
if (hw->nread < DIM_FINGER)
hw->mread[hw->nread] = 0;
}
static void accept_packet(struct HWData *hw, const struct timeval* tv)
{
static const mstime_t ms = 1000;
if (hw->mtread)
hw->nfinger = hw->nread;
hw->mtread = 0;
hw->nread = 0;
hw->mread[hw->nread] = 0;
hw->evtime = tv->tv_usec / ms + tv->tv_sec * ms;
}
int read_hwdata(struct HWData *hw, const struct input_event* ev)
{
switch (ev->type) {
case EV_SYN:
switch (ev->code) {
case SYN_REPORT:
accept_packet(hw, &ev->time);
return 1;
case SYN_MT_REPORT:
accept_finger(hw);
break;
}
break;
case EV_KEY:
switch (ev->code) {
case BTN_TOUCH:
hw->mtread++;
break;
case BTN_LEFT:
if (ev->value)
SETBIT(hw->button, MT_BUTTON_LEFT);
else
CLEARBIT(hw->button, MT_BUTTON_LEFT);
break;
case BTN_MIDDLE:
if (ev->value)
SETBIT(hw->button, MT_BUTTON_MIDDLE);
else
CLEARBIT(hw->button, MT_BUTTON_MIDDLE);
break;
case BTN_RIGHT:
if (ev->value)
SETBIT(hw->button, MT_BUTTON_RIGHT);
else
CLEARBIT(hw->button, MT_BUTTON_RIGHT);
break;
}
break;
case EV_ABS:
switch (ev->code) {
case ABS_MT_TOUCH_MAJOR:
set_value(hw, BIT_MT_TOUCH_MAJOR, ev->value);
break;
case ABS_MT_TOUCH_MINOR:
set_value(hw, BIT_MT_TOUCH_MINOR, ev->value);
break;
case ABS_MT_WIDTH_MAJOR:
set_value(hw, BIT_MT_WIDTH_MAJOR, ev->value);
break;
case ABS_MT_WIDTH_MINOR:
set_value(hw, BIT_MT_WIDTH_MINOR, ev->value);
break;
case ABS_MT_ORIENTATION:
set_value(hw, BIT_MT_ORIENTATION, ev->value);
break;
case ABS_MT_PRESSURE:
set_value(hw, BIT_MT_PRESSURE, ev->value);
break;
case ABS_MT_POSITION_X:
set_value(hw, BIT_MT_POSITION_X, ev->value);
break;
case ABS_MT_POSITION_Y:
set_value(hw, BIT_MT_POSITION_Y, ev->value);
break;
}
break;
}
return 0;
}
void output_hwdata(const struct HWData *hw)
{
}
|
