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 add_key_bit(uint8_t code);
41 void host_set_driver(host_driver_t *d)
46 host_driver_t *host_get_driver(void)
51 uint8_t host_keyboard_leds(void)
53 if (!driver) return 0;
54 return (*driver->keyboard_leds)();
57 /* keyboard report operations */
58 void host_add_key(uint8_t key)
69 void host_add_mod_bit(uint8_t mod)
71 keyboard_report->mods |= mod;
74 void host_set_mods(uint8_t mods)
76 keyboard_report->mods = mods;
79 void host_add_code(uint8_t code)
82 host_add_mod_bit(MOD_BIT(code));
88 void host_swap_keyboard_report(void)
92 report_keyboard_t *tmp = keyboard_report_prev;
93 keyboard_report_prev = keyboard_report;
94 keyboard_report = tmp;
98 void host_clear_keyboard_report(void)
100 keyboard_report->mods = 0;
101 for (int8_t i = 0; i < REPORT_KEYS; i++) {
102 keyboard_report->keys[i] = 0;
106 uint8_t host_has_anykey(void)
109 for (int i = 0; i < REPORT_KEYS; i++) {
110 if (keyboard_report->keys[i])
116 uint8_t host_get_first_key(void)
121 for (; i < REPORT_KEYS && !keyboard_report->keys[i]; i++)
123 return i<<3 | biton(keyboard_report->keys[i]);
126 return keyboard_report->keys[0];
130 void host_send_keyboard_report(void)
133 (*driver->send_keyboard)(keyboard_report);
136 void host_mouse_send(report_mouse_t *report)
139 (*driver->send_mouse)(report);
142 void host_system_send(uint16_t data)
145 (*driver->send_system)(data);
148 void host_consumer_send(uint16_t data)
150 // TODO: this is needed?
151 static uint16_t last_data = 0;
152 if (data == last_data) return;
156 (*driver->send_consumer)(data);
160 static inline void add_key_byte(uint8_t code)
162 // TODO: fix ugly code
165 for (; i < REPORT_KEYS; i++) {
166 if (keyboard_report_prev->keys[i] == code) {
167 keyboard_report->keys[i] = code;
171 keyboard_report_prev->keys[i] == 0 &&
172 keyboard_report->keys[i] == 0) {
176 if (i == REPORT_KEYS) {
178 keyboard_report->keys[empty] = code;
183 static inline void add_key_bit(uint8_t code)
185 if ((code>>3) < REPORT_KEYS) {
186 keyboard_report->keys[code>>3] |= 1<<(code&7);
188 debug("add_key_bit: can't add: "); phex(code); debug("\n");