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)();
60 void host_register_key(uint8_t key)
63 host_send_keyboard_report();
66 void host_unregister_key(uint8_t key)
69 host_send_keyboard_report();
72 void host_clear_all_keys_but_mods(void)
74 for (int8_t i = 0; i < REPORT_KEYS; i++) {
75 keyboard_report->keys[i] = 0;
77 host_send_keyboard_report();
80 /* keyboard report operations */
81 void host_add_key(uint8_t key)
92 void host_del_key(uint8_t key)
103 void host_add_mod_bit(uint8_t mod)
105 keyboard_report->mods |= mod;
108 void host_del_mod_bit(uint8_t mod)
110 keyboard_report->mods &= ~mod;
113 void host_set_mods(uint8_t mods)
115 keyboard_report->mods = mods;
118 void host_add_code(uint8_t code)
121 host_add_mod_bit(MOD_BIT(code));
127 void host_del_code(uint8_t code)
130 host_del_mod_bit(MOD_BIT(code));
136 void host_swap_keyboard_report(void)
140 report_keyboard_t *tmp = keyboard_report_prev;
141 keyboard_report_prev = keyboard_report;
142 keyboard_report = tmp;
146 void host_clear_keyboard_report(void)
148 keyboard_report->mods = 0;
149 for (int8_t i = 0; i < REPORT_KEYS; i++) {
150 keyboard_report->keys[i] = 0;
154 uint8_t host_has_anykey(void)
157 for (int i = 0; i < REPORT_KEYS; i++) {
158 if (keyboard_report->keys[i])
164 uint8_t host_get_first_key(void)
169 for (; i < REPORT_KEYS && !keyboard_report->keys[i]; i++)
171 return i<<3 | biton(keyboard_report->keys[i]);
174 return keyboard_report->keys[0];
178 void host_send_keyboard_report(void)
181 (*driver->send_keyboard)(keyboard_report);
183 if (debug_keyboard) {
185 for (int i = 0; i < REPORT_KEYS; i++) {
186 phex(keyboard_report->keys[i]); print(" ");
188 print(" mods: "); phex(keyboard_report->mods); print("\n");
192 void host_mouse_send(report_mouse_t *report)
195 (*driver->send_mouse)(report);
198 void host_system_send(uint16_t data)
200 static uint16_t last_data = 0;
201 if (data == last_data) return;
205 (*driver->send_system)(data);
208 void host_consumer_send(uint16_t data)
210 static uint16_t last_data = 0;
211 if (data == last_data) return;
215 (*driver->send_consumer)(data);
219 static inline void add_key_byte(uint8_t code)
221 // TODO: fix ugly code
224 for (; i < REPORT_KEYS; i++) {
225 if (keyboard_report_prev->keys[i] == code) {
226 keyboard_report->keys[i] = code;
230 keyboard_report_prev->keys[i] == 0 &&
231 keyboard_report->keys[i] == 0) {
235 if (i == REPORT_KEYS) {
237 keyboard_report->keys[empty] = code;
242 static inline void del_key_byte(uint8_t code)
245 for (; i < REPORT_KEYS; i++) {
246 if (keyboard_report->keys[i] == code) {
247 keyboard_report->keys[i] = 0;
252 static inline void add_key_bit(uint8_t code)
254 if ((code>>3) < REPORT_KEYS) {
255 keyboard_report->keys[code>>3] |= 1<<(code&7);
257 debug("add_key_bit: can't add: "); phex(code); debug("\n");
261 static inline void del_key_bit(uint8_t code)
263 if ((code>>3) < REPORT_KEYS) {
264 keyboard_report->keys[code>>3] &= ~(1<<(code&7));
266 debug("del_key_bit: can't del: "); phex(code); debug("\n");