2 Copyright 2011 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include <avr/interrupt.h>
20 #include "usb_keycodes.h"
27 bool keyboard_nkro = false;
30 static host_driver_t *driver;
31 static report_keyboard_t report0;
32 static report_keyboard_t report1;
33 report_keyboard_t *keyboard_report = &report0;
34 report_keyboard_t *keyboard_report_prev = &report1;
37 static inline void add_key_byte(uint8_t code);
38 static inline void del_key_byte(uint8_t code);
39 static inline void add_key_bit(uint8_t code);
40 static inline void del_key_bit(uint8_t code);
43 void host_set_driver(host_driver_t *d)
48 host_driver_t *host_get_driver(void)
53 uint8_t host_keyboard_leds(void)
55 if (!driver) return 0;
56 return (*driver->keyboard_leds)();
59 /* keyboard report operations */
60 void host_add_key(uint8_t key)
71 void host_del_key(uint8_t key)
82 void host_add_mod_bit(uint8_t mod)
84 keyboard_report->mods |= mod;
87 void host_del_mod_bit(uint8_t mod)
89 keyboard_report->mods &= ~mod;
92 void host_set_mods(uint8_t mods)
94 keyboard_report->mods = mods;
97 void host_add_code(uint8_t code)
100 host_add_mod_bit(MOD_BIT(code));
106 void host_del_code(uint8_t code)
109 host_del_mod_bit(MOD_BIT(code));
115 void host_swap_keyboard_report(void)
119 report_keyboard_t *tmp = keyboard_report_prev;
120 keyboard_report_prev = keyboard_report;
121 keyboard_report = tmp;
125 void host_clear_keyboard_report(void)
127 keyboard_report->mods = 0;
128 for (int8_t i = 0; i < REPORT_KEYS; i++) {
129 keyboard_report->keys[i] = 0;
133 uint8_t host_has_anykey(void)
136 for (int i = 0; i < REPORT_KEYS; i++) {
137 if (keyboard_report->keys[i])
143 uint8_t host_get_first_key(void)
148 for (; i < REPORT_KEYS && !keyboard_report->keys[i]; i++)
150 return i<<3 | biton(keyboard_report->keys[i]);
153 return keyboard_report->keys[0];
157 void host_send_keyboard_report(void)
160 (*driver->send_keyboard)(keyboard_report);
163 void host_mouse_send(report_mouse_t *report)
166 (*driver->send_mouse)(report);
169 void host_system_send(uint16_t data)
171 static uint16_t last_data = 0;
172 if (data == last_data) return;
176 (*driver->send_system)(data);
179 void host_consumer_send(uint16_t data)
181 static uint16_t last_data = 0;
182 if (data == last_data) return;
186 (*driver->send_consumer)(data);
190 static inline void add_key_byte(uint8_t code)
192 // TODO: fix ugly code
195 for (; i < REPORT_KEYS; i++) {
196 if (keyboard_report_prev->keys[i] == code) {
197 keyboard_report->keys[i] = code;
201 keyboard_report_prev->keys[i] == 0 &&
202 keyboard_report->keys[i] == 0) {
206 if (i == REPORT_KEYS) {
208 keyboard_report->keys[empty] = code;
213 static inline void del_key_byte(uint8_t code)
216 for (; i < REPORT_KEYS; i++) {
217 if (keyboard_report->keys[i] == code) {
218 keyboard_report->keys[i] = 0;
224 static inline void add_key_bit(uint8_t code)
226 if ((code>>3) < REPORT_KEYS) {
227 keyboard_report->keys[code>>3] |= 1<<(code&7);
229 debug("add_key_bit: can't add: "); phex(code); debug("\n");
233 static inline void del_key_bit(uint8_t code)
235 if ((code>>3) < REPORT_KEYS) {
236 keyboard_report->keys[code>>3] &= ~(1<<(code&7));
238 debug("del_key_bit: can't del: "); phex(code); debug("\n");