1 /* Copyright 2017 Fred Sundvik
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include "keycode_config.h"
28 uint8_t has_anykey(report_keyboard_t* keyboard_report)
31 uint8_t *p = keyboard_report->keys;
32 uint8_t lp = sizeof(keyboard_report->keys);
34 if (keyboard_protocol && keymap_config.nkro) {
35 p = keyboard_report->nkro.bits;
36 lp = sizeof(keyboard_report->nkro.bits);
46 /** \brief get_first_key
50 uint8_t get_first_key(report_keyboard_t* keyboard_report)
53 if (keyboard_protocol && keymap_config.nkro) {
55 for (; i < KEYBOARD_REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
57 return i<<3 | biton(keyboard_report->nkro.bits[i]);
60 #ifdef USB_6KRO_ENABLE
63 if (keyboard_report->keys[i] != 0) {
67 } while (i != cb_tail);
68 return keyboard_report->keys[i];
70 return keyboard_report->keys[0];
74 /** \brief add key byte
78 void add_key_byte(report_keyboard_t* keyboard_report, uint8_t code)
80 #ifdef USB_6KRO_ENABLE
85 if (keyboard_report->keys[i] == code) {
88 if (empty == -1 && keyboard_report->keys[i] == 0) {
92 } while (i != cb_tail);
94 if (cb_tail == cb_head) {
97 // pop head when has no empty space
98 cb_head = RO_INC(cb_head);
102 // left shift when has empty space
106 if (keyboard_report->keys[i] != 0) {
107 keyboard_report->keys[empty] = keyboard_report->keys[i];
108 keyboard_report->keys[i] = 0;
109 empty = RO_INC(empty);
115 } while (i != cb_tail);
116 cb_tail = RO_SUB(cb_tail, offset);
122 keyboard_report->keys[cb_tail] = code;
123 cb_tail = RO_INC(cb_tail);
128 for (; i < KEYBOARD_REPORT_KEYS; i++) {
129 if (keyboard_report->keys[i] == code) {
132 if (empty == -1 && keyboard_report->keys[i] == 0) {
136 if (i == KEYBOARD_REPORT_KEYS) {
138 keyboard_report->keys[empty] = code;
144 /** \brief del key byte
148 void del_key_byte(report_keyboard_t* keyboard_report, uint8_t code)
150 #ifdef USB_6KRO_ENABLE
154 if (keyboard_report->keys[i] == code) {
155 keyboard_report->keys[i] = 0;
158 // reset head and tail
159 cb_tail = cb_head = 0;
161 if (i == RO_DEC(cb_tail)) {
162 // left shift when next to tail
164 cb_tail = RO_DEC(cb_tail);
165 if (keyboard_report->keys[RO_DEC(cb_tail)] != 0) {
168 } while (cb_tail != cb_head);
173 } while (i != cb_tail);
176 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
177 if (keyboard_report->keys[i] == code) {
178 keyboard_report->keys[i] = 0;
185 /** \brief add key bit
189 void add_key_bit(report_keyboard_t* keyboard_report, uint8_t code)
191 if ((code>>3) < KEYBOARD_REPORT_BITS) {
192 keyboard_report->nkro.bits[code>>3] |= 1<<(code&7);
194 dprintf("add_key_bit: can't add: %02X\n", code);
198 /** \brief del key bit
202 void del_key_bit(report_keyboard_t* keyboard_report, uint8_t code)
204 if ((code>>3) < KEYBOARD_REPORT_BITS) {
205 keyboard_report->nkro.bits[code>>3] &= ~(1<<(code&7));
207 dprintf("del_key_bit: can't del: %02X\n", code);
212 /** \brief add key to report
216 void add_key_to_report(report_keyboard_t* keyboard_report, uint8_t key)
219 if (keyboard_protocol && keymap_config.nkro) {
220 add_key_bit(keyboard_report, key);
224 add_key_byte(keyboard_report, key);
227 /** \brief del key from report
231 void del_key_from_report(report_keyboard_t* keyboard_report, uint8_t key)
234 if (keyboard_protocol && keymap_config.nkro) {
235 del_key_bit(keyboard_report, key);
239 del_key_byte(keyboard_report, key);
242 /** \brief clear key from report
246 void clear_keys_from_report(report_keyboard_t* keyboard_report)
250 if (keyboard_protocol && keymap_config.nkro) {
251 memset(keyboard_report->nkro.bits, 0, sizeof(keyboard_report->nkro.bits));
255 memset(keyboard_report->keys, 0, sizeof(keyboard_report->keys));