- /* Copyright 2017 Fred Sundvik
- *
- * 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 "report.h"
- #include "host.h"
- #include "keycode_config.h"
- #include "debug.h"
- #include "util.h"
-
- /** \brief has_anykey
- *
- * FIXME: Needs doc
- */
- uint8_t has_anykey(report_keyboard_t* keyboard_report)
- {
- uint8_t cnt = 0;
- for (uint8_t i = 1; i < KEYBOARD_REPORT_SIZE; i++) {
- if (keyboard_report->raw[i])
- cnt++;
- }
- return cnt;
- }
-
- /** \brief get_first_key
- *
- * FIXME: Needs doc
- */
- uint8_t get_first_key(report_keyboard_t* keyboard_report)
- {
- #ifdef NKRO_ENABLE
- if (keyboard_protocol && keymap_config.nkro) {
- uint8_t i = 0;
- for (; i < KEYBOARD_REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
- ;
- return i<<3 | biton(keyboard_report->nkro.bits[i]);
- }
- #endif
- #ifdef USB_6KRO_ENABLE
- uint8_t i = cb_head;
- do {
- if (keyboard_report->keys[i] != 0) {
- break;
- }
- i = RO_INC(i);
- } while (i != cb_tail);
- return keyboard_report->keys[i];
- #else
- return keyboard_report->keys[0];
- #endif
- }
-
- /** \brief add key byte
- *
- * FIXME: Needs doc
- */
- void add_key_byte(report_keyboard_t* keyboard_report, uint8_t code)
- {
- #ifdef USB_6KRO_ENABLE
- int8_t i = cb_head;
- int8_t empty = -1;
- if (cb_count) {
- do {
- if (keyboard_report->keys[i] == code) {
- return;
- }
- if (empty == -1 && keyboard_report->keys[i] == 0) {
- empty = i;
- }
- i = RO_INC(i);
- } while (i != cb_tail);
- if (i == cb_tail) {
- if (cb_tail == cb_head) {
- // buffer is full
- if (empty == -1) {
- // pop head when has no empty space
- cb_head = RO_INC(cb_head);
- cb_count--;
- }
- else {
- // left shift when has empty space
- uint8_t offset = 1;
- i = RO_INC(empty);
- do {
- if (keyboard_report->keys[i] != 0) {
- keyboard_report->keys[empty] = keyboard_report->keys[i];
- keyboard_report->keys[i] = 0;
- empty = RO_INC(empty);
- }
- else {
- offset++;
- }
- i = RO_INC(i);
- } while (i != cb_tail);
- cb_tail = RO_SUB(cb_tail, offset);
- }
- }
- }
- }
- // add to tail
- keyboard_report->keys[cb_tail] = code;
- cb_tail = RO_INC(cb_tail);
- cb_count++;
- #else
- int8_t i = 0;
- int8_t empty = -1;
- for (; i < KEYBOARD_REPORT_KEYS; i++) {
- if (keyboard_report->keys[i] == code) {
- break;
- }
- if (empty == -1 && keyboard_report->keys[i] == 0) {
- empty = i;
- }
- }
- if (i == KEYBOARD_REPORT_KEYS) {
- if (empty != -1) {
- keyboard_report->keys[empty] = code;
- }
- }
- #endif
- }
-
- /** \brief del key byte
- *
- * FIXME: Needs doc
- */
- void del_key_byte(report_keyboard_t* keyboard_report, uint8_t code)
- {
- #ifdef USB_6KRO_ENABLE
- uint8_t i = cb_head;
- if (cb_count) {
- do {
- if (keyboard_report->keys[i] == code) {
- keyboard_report->keys[i] = 0;
- cb_count--;
- if (cb_count == 0) {
- // reset head and tail
- cb_tail = cb_head = 0;
- }
- if (i == RO_DEC(cb_tail)) {
- // left shift when next to tail
- do {
- cb_tail = RO_DEC(cb_tail);
- if (keyboard_report->keys[RO_DEC(cb_tail)] != 0) {
- break;
- }
- } while (cb_tail != cb_head);
- }
- break;
- }
- i = RO_INC(i);
- } while (i != cb_tail);
- }
- #else
- for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
- if (keyboard_report->keys[i] == code) {
- keyboard_report->keys[i] = 0;
- }
- }
- #endif
- }
-
- #ifdef NKRO_ENABLE
- /** \brief add key bit
- *
- * FIXME: Needs doc
- */
- void add_key_bit(report_keyboard_t* keyboard_report, uint8_t code)
- {
- if ((code>>3) < KEYBOARD_REPORT_BITS) {
- keyboard_report->nkro.bits[code>>3] |= 1<<(code&7);
- } else {
- dprintf("add_key_bit: can't add: %02X\n", code);
- }
- }
-
- /** \brief del key bit
- *
- * FIXME: Needs doc
- */
- void del_key_bit(report_keyboard_t* keyboard_report, uint8_t code)
- {
- if ((code>>3) < KEYBOARD_REPORT_BITS) {
- keyboard_report->nkro.bits[code>>3] &= ~(1<<(code&7));
- } else {
- dprintf("del_key_bit: can't del: %02X\n", code);
- }
- }
- #endif
-
- /** \brief add key to report
- *
- * FIXME: Needs doc
- */
- void add_key_to_report(report_keyboard_t* keyboard_report, uint8_t key)
- {
- #ifdef NKRO_ENABLE
- if (keyboard_protocol && keymap_config.nkro) {
- add_key_bit(keyboard_report, key);
- return;
- }
- #endif
- add_key_byte(keyboard_report, key);
- }
-
- /** \brief del key from report
- *
- * FIXME: Needs doc
- */
- void del_key_from_report(report_keyboard_t* keyboard_report, uint8_t key)
- {
- #ifdef NKRO_ENABLE
- if (keyboard_protocol && keymap_config.nkro) {
- del_key_bit(keyboard_report, key);
- return;
- }
- #endif
- del_key_byte(keyboard_report, key);
- }
-
- /** \brief clear key from report
- *
- * FIXME: Needs doc
- */
- void clear_keys_from_report(report_keyboard_t* keyboard_report)
- {
- // not clear mods
- for (int8_t i = 1; i < KEYBOARD_REPORT_SIZE; i++) {
- keyboard_report->raw[i] = 0;
- }
- }
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