blob: 35d59de809f82bbc25f995515a09984aa8a06583 (
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*
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 <avr/interrupt.h>
#include "usb_keycodes.h"
#include "usb_keyboard.h"
#if defined(MOUSEKEY_ENABLE) || defined(PS2_MOUSE_ENABLE)
#include "usb_mouse.h"
#endif
#ifdef USB_EXTRA_ENABLE
#include "usb_extra.h"
#endif
#include "debug.h"
#include "host.h"
#include "util.h"
#ifdef USB_NKRO_ENABLE
bool keyboard_nkro = false;
#endif
static report_keyboard_t report0;
static report_keyboard_t report1;
report_keyboard_t *keyboard_report = &report0;
report_keyboard_t *keyboard_report_prev = &report1;
static inline void add_key_byte(uint8_t code);
static inline void add_key_bit(uint8_t code);
uint8_t host_keyboard_leds(void)
{
return usb_keyboard_leds;
}
/* keyboard report operations */
void host_add_key(uint8_t key)
{
#ifdef USB_NKRO_ENABLE
if (keyboard_nkro) {
add_key_bit(key);
return;
}
#endif
add_key_byte(key);
}
void host_add_mod_bit(uint8_t mod)
{
keyboard_report->mods |= mod;
}
void host_set_mods(uint8_t mods)
{
keyboard_report->mods = mods;
}
void host_add_code(uint8_t code)
{
if (IS_MOD(code)) {
host_add_mod_bit(MOD_BIT(code));
} else {
host_add_key(code);
}
}
void host_swap_keyboard_report(void)
{
uint8_t sreg = SREG;
cli();
report_keyboard_t *tmp = keyboard_report_prev;
keyboard_report_prev = keyboard_report;
keyboard_report = tmp;
SREG = sreg;
}
void host_clear_keyboard_report(void)
{
keyboard_report->mods = 0;
for (int8_t i = 0; i < REPORT_KEYS; i++) {
keyboard_report->keys[i] = 0;
}
}
uint8_t host_has_anykey(void)
{
uint8_t cnt = 0;
for (int i = 0; i < REPORT_KEYS; i++) {
if (keyboard_report->keys[i])
cnt++;
}
return cnt;
}
uint8_t host_get_first_key(void)
{
#ifdef USB_NKRO_ENABLE
if (keyboard_nkro) {
uint8_t i = 0;
for (; i < REPORT_KEYS && !keyboard_report->keys[i]; i++)
;
return i<<3 | biton(keyboard_report->keys[i]);
}
#endif
return keyboard_report->keys[0];
}
void host_send_keyboard_report(void)
{
usb_keyboard_send_report(keyboard_report);
}
#if defined(MOUSEKEY_ENABLE) || defined(PS2_MOUSE_ENABLE)
void host_mouse_send(report_mouse_t *report)
{
usb_mouse_send(report->x, report->y, report->v, report->h, report->buttons);
}
#endif
#ifdef USB_EXTRA_ENABLE
void host_system_send(uint16_t data)
{
usb_extra_system_send(data);
}
void host_consumer_send(uint16_t data)
{
static uint16_t last_data = 0;
if (data == last_data) return;
last_data = data;
usb_extra_consumer_send(data);
}
#endif
static inline void add_key_byte(uint8_t code)
{
// TODO: fix ugly code
int8_t i = 0;
int8_t empty = -1;
for (; i < REPORT_KEYS; i++) {
if (keyboard_report_prev->keys[i] == code) {
keyboard_report->keys[i] = code;
break;
}
if (empty == -1 &&
keyboard_report_prev->keys[i] == 0 &&
keyboard_report->keys[i] == 0) {
empty = i;
}
}
if (i == REPORT_KEYS) {
if (empty != -1) {
keyboard_report->keys[empty] = code;
}
}
}
static inline void add_key_bit(uint8_t code)
{
if ((code>>3) < REPORT_KEYS) {
keyboard_report->keys[code>>3] |= 1<<(code&7);
} else {
debug("add_key_bit: can't add: "); phex(code); debug("\n");
}
}
|
