forked from mfulz_github/qmk_firmware
921b9dad6c
* Move 'has_mouse_report_changed' checkto report.c * change mousekeys to use memcpy * fix linting issues
294 lines
8.1 KiB
C
294 lines
8.1 KiB
C
/* Copyright 2017 Fred Sundvik
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "report.h"
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#include "host.h"
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#include "keycode_config.h"
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#include "debug.h"
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#include "util.h"
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#include <string.h>
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#ifdef RING_BUFFERED_6KRO_REPORT_ENABLE
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# define RO_ADD(a, b) ((a + b) % KEYBOARD_REPORT_KEYS)
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# define RO_SUB(a, b) ((a - b + KEYBOARD_REPORT_KEYS) % KEYBOARD_REPORT_KEYS)
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# define RO_INC(a) RO_ADD(a, 1)
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# define RO_DEC(a) RO_SUB(a, 1)
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static int8_t cb_head = 0;
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static int8_t cb_tail = 0;
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static int8_t cb_count = 0;
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#endif
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/** \brief has_anykey
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*
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* FIXME: Needs doc
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*/
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uint8_t has_anykey(report_keyboard_t* keyboard_report) {
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uint8_t cnt = 0;
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uint8_t* p = keyboard_report->keys;
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uint8_t lp = sizeof(keyboard_report->keys);
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keymap_config.nkro) {
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p = keyboard_report->nkro.bits;
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lp = sizeof(keyboard_report->nkro.bits);
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}
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#endif
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while (lp--) {
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if (*p++) cnt++;
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}
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return cnt;
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}
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/** \brief get_first_key
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*
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* FIXME: Needs doc
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*/
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uint8_t get_first_key(report_keyboard_t* keyboard_report) {
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keymap_config.nkro) {
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uint8_t i = 0;
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for (; i < KEYBOARD_REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
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;
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return i << 3 | biton(keyboard_report->nkro.bits[i]);
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}
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#endif
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#ifdef RING_BUFFERED_6KRO_REPORT_ENABLE
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uint8_t i = cb_head;
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do {
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if (keyboard_report->keys[i] != 0) {
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break;
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}
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i = RO_INC(i);
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} while (i != cb_tail);
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return keyboard_report->keys[i];
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#else
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return keyboard_report->keys[0];
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#endif
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}
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/** \brief Checks if a key is pressed in the report
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*
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* Returns true if the keyboard_report reports that the key is pressed, otherwise false
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* Note: The function doesn't support modifers currently, and it returns false for KC_NO
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*/
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bool is_key_pressed(report_keyboard_t* keyboard_report, uint8_t key) {
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if (key == KC_NO) {
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return false;
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}
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keymap_config.nkro) {
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if ((key >> 3) < KEYBOARD_REPORT_BITS) {
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return keyboard_report->nkro.bits[key >> 3] & 1 << (key & 7);
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} else {
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return false;
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}
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}
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#endif
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for (int i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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if (keyboard_report->keys[i] == key) {
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return true;
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}
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}
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return false;
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}
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/** \brief add key byte
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*
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* FIXME: Needs doc
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*/
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void add_key_byte(report_keyboard_t* keyboard_report, uint8_t code) {
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#ifdef RING_BUFFERED_6KRO_REPORT_ENABLE
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int8_t i = cb_head;
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int8_t empty = -1;
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if (cb_count) {
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do {
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if (keyboard_report->keys[i] == code) {
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return;
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}
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if (empty == -1 && keyboard_report->keys[i] == 0) {
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empty = i;
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}
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i = RO_INC(i);
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} while (i != cb_tail);
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if (i == cb_tail) {
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if (cb_tail == cb_head) {
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// buffer is full
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if (empty == -1) {
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// pop head when has no empty space
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cb_head = RO_INC(cb_head);
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cb_count--;
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} else {
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// left shift when has empty space
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uint8_t offset = 1;
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i = RO_INC(empty);
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do {
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if (keyboard_report->keys[i] != 0) {
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keyboard_report->keys[empty] = keyboard_report->keys[i];
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keyboard_report->keys[i] = 0;
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empty = RO_INC(empty);
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} else {
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offset++;
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}
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i = RO_INC(i);
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} while (i != cb_tail);
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cb_tail = RO_SUB(cb_tail, offset);
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}
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}
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}
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}
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// add to tail
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keyboard_report->keys[cb_tail] = code;
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cb_tail = RO_INC(cb_tail);
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cb_count++;
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#else
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int8_t i = 0;
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int8_t empty = -1;
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for (; i < KEYBOARD_REPORT_KEYS; i++) {
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if (keyboard_report->keys[i] == code) {
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break;
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}
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if (empty == -1 && keyboard_report->keys[i] == 0) {
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empty = i;
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}
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}
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if (i == KEYBOARD_REPORT_KEYS) {
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if (empty != -1) {
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keyboard_report->keys[empty] = code;
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}
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}
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#endif
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}
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/** \brief del key byte
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*
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* FIXME: Needs doc
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*/
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void del_key_byte(report_keyboard_t* keyboard_report, uint8_t code) {
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#ifdef RING_BUFFERED_6KRO_REPORT_ENABLE
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uint8_t i = cb_head;
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if (cb_count) {
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do {
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if (keyboard_report->keys[i] == code) {
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keyboard_report->keys[i] = 0;
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cb_count--;
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if (cb_count == 0) {
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// reset head and tail
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cb_tail = cb_head = 0;
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}
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if (i == RO_DEC(cb_tail)) {
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// left shift when next to tail
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do {
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cb_tail = RO_DEC(cb_tail);
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if (keyboard_report->keys[RO_DEC(cb_tail)] != 0) {
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break;
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}
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} while (cb_tail != cb_head);
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}
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break;
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}
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i = RO_INC(i);
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} while (i != cb_tail);
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}
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#else
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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if (keyboard_report->keys[i] == code) {
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keyboard_report->keys[i] = 0;
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}
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}
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#endif
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}
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#ifdef NKRO_ENABLE
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/** \brief add key bit
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*
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* FIXME: Needs doc
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*/
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void add_key_bit(report_keyboard_t* keyboard_report, uint8_t code) {
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if ((code >> 3) < KEYBOARD_REPORT_BITS) {
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keyboard_report->nkro.bits[code >> 3] |= 1 << (code & 7);
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} else {
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dprintf("add_key_bit: can't add: %02X\n", code);
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}
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}
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/** \brief del key bit
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*
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* FIXME: Needs doc
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*/
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void del_key_bit(report_keyboard_t* keyboard_report, uint8_t code) {
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if ((code >> 3) < KEYBOARD_REPORT_BITS) {
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keyboard_report->nkro.bits[code >> 3] &= ~(1 << (code & 7));
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} else {
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dprintf("del_key_bit: can't del: %02X\n", code);
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}
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}
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#endif
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/** \brief add key to report
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*
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* FIXME: Needs doc
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*/
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void add_key_to_report(report_keyboard_t* keyboard_report, uint8_t key) {
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keymap_config.nkro) {
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add_key_bit(keyboard_report, key);
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return;
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}
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#endif
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add_key_byte(keyboard_report, key);
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}
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/** \brief del key from report
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*
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* FIXME: Needs doc
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*/
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void del_key_from_report(report_keyboard_t* keyboard_report, uint8_t key) {
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keymap_config.nkro) {
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del_key_bit(keyboard_report, key);
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return;
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}
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#endif
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del_key_byte(keyboard_report, key);
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}
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/** \brief clear key from report
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*
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* FIXME: Needs doc
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*/
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void clear_keys_from_report(report_keyboard_t* keyboard_report) {
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// not clear mods
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#ifdef NKRO_ENABLE
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if (keyboard_protocol && keymap_config.nkro) {
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memset(keyboard_report->nkro.bits, 0, sizeof(keyboard_report->nkro.bits));
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return;
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}
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#endif
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memset(keyboard_report->keys, 0, sizeof(keyboard_report->keys));
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}
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#ifdef MOUSE_ENABLE
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/**
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* @brief Compares 2 mouse reports for difference and returns result
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*
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* @param[in] new_report report_mouse_t
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* @param[in] old_report report_mouse_t
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* @return bool result
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*/
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__attribute__((weak)) bool has_mouse_report_changed(report_mouse_t* new_report, report_mouse_t* old_report) {
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return memcmp(new_report, old_report, sizeof(report_mouse_t));
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}
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#endif
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