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- /*
- Copyright 2013 Jun Wako <[email protected]>
-
- 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 "host.h"
- #include "report.h"
- #include "debug.h"
- #include "action_util.h"
-
- static inline void add_key_byte(uint8_t code);
- static inline void del_key_byte(uint8_t code);
- #ifdef NKRO_ENABLE
- static inline void add_key_bit(uint8_t code);
- static inline void del_key_bit(uint8_t code);
- #endif
-
- static uint8_t real_mods = 0;
- static uint8_t weak_mods = 0;
-
-
- // TODO: pointer variable is not needed
- //report_keyboard_t keyboard_report = {};
- report_keyboard_t *keyboard_report = &(report_keyboard_t){};
-
- #ifndef NO_ACTION_ONESHOT
- static bool oneshot_enabled = true;
- static int8_t oneshot_mods = 0;
- #endif
-
- void send_keyboard_report(void) {
- keyboard_report->mods = real_mods;
- keyboard_report->mods |= weak_mods;
- #ifndef NO_ACTION_ONESHOT
- keyboard_report->mods |= oneshot_mods;
- if (has_anykey()) {
- clear_oneshot_mods();
- }
- #endif
- host_keyboard_send(keyboard_report);
- }
-
- /* key */
- void add_key(uint8_t key)
- {
- #ifdef NKRO_ENABLE
- if (keyboard_nkro) {
- add_key_bit(key);
- return;
- }
- #endif
- add_key_byte(key);
- }
-
- void del_key(uint8_t key)
- {
- #ifdef NKRO_ENABLE
- if (keyboard_nkro) {
- del_key_bit(key);
- return;
- }
- #endif
- del_key_byte(key);
- }
-
- void clear_keys(void)
- {
- // not clear mods
- for (int8_t i = 1; i < REPORT_SIZE; i++) {
- keyboard_report->raw[i] = 0;
- }
- }
-
-
- /* modifier */
- uint8_t get_mods(void) { return real_mods; }
- void add_mods(uint8_t mods) { real_mods |= mods; }
- void del_mods(uint8_t mods) { real_mods &= ~mods; }
- void set_mods(uint8_t mods) { real_mods = mods; }
- void clear_mods(void) { real_mods = 0; }
-
- /* weak modifier */
- uint8_t get_weak_mods(void) { return weak_mods; }
- void add_weak_mods(uint8_t mods) { weak_mods |= mods; }
- void del_weak_mods(uint8_t mods) { weak_mods &= ~mods; }
- void set_weak_mods(uint8_t mods) { weak_mods = mods; }
- void clear_weak_mods(void) { weak_mods = 0; }
-
- /* Oneshot modifier */
- #ifndef NO_ACTION_ONESHOT
- void set_oneshot_mods(uint8_t mods) { oneshot_mods = mods; }
- void clear_oneshot_mods(void) { oneshot_mods = 0; }
- void oneshot_toggle(void) { oneshot_enabled = !oneshot_enabled; }
- void oneshot_enable(void) { oneshot_enabled = true; }
- void oneshot_disable(void) { oneshot_enabled = false; }
- #endif
-
-
-
-
- /*
- * inspect keyboard state
- */
- uint8_t has_anykey(void)
- {
- uint8_t cnt = 0;
- for (uint8_t i = 1; i < REPORT_SIZE; i++) {
- if (keyboard_report->raw[i])
- cnt++;
- }
- return cnt;
- }
-
- uint8_t has_anymod(void)
- {
- return bitpop(real_mods);
- }
-
- uint8_t get_first_key(void)
- {
- #ifdef NKRO_ENABLE
- if (keyboard_nkro) {
- uint8_t i = 0;
- for (; i < REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
- ;
- return i<<3 | biton(keyboard_report->nkro.bits[i]);
- }
- #endif
- return keyboard_report->keys[0];
- }
-
-
-
- /* local functions */
- static inline void add_key_byte(uint8_t code)
- {
- int8_t i = 0;
- int8_t empty = -1;
- for (; i < REPORT_KEYS; i++) {
- if (keyboard_report->keys[i] == code) {
- break;
- }
- if (empty == -1 && keyboard_report->keys[i] == 0) {
- empty = i;
- }
- }
- if (i == REPORT_KEYS) {
- if (empty != -1) {
- keyboard_report->keys[empty] = code;
- }
- }
- }
-
- static inline void del_key_byte(uint8_t code)
- {
- for (uint8_t i = 0; i < REPORT_KEYS; i++) {
- if (keyboard_report->keys[i] == code) {
- keyboard_report->keys[i] = 0;
- }
- }
- }
-
- #ifdef NKRO_ENABLE
- static inline void add_key_bit(uint8_t code)
- {
- if ((code>>3) < REPORT_BITS) {
- keyboard_report->nkro.bits[code>>3] |= 1<<(code&7);
- } else {
- dprintf("add_key_bit: can't add: %02X\n", code);
- }
- }
-
- static inline void del_key_bit(uint8_t code)
- {
- if ((code>>3) < REPORT_BITS) {
- keyboard_report->nkro.bits[code>>3] &= ~(1<<(code&7));
- } else {
- dprintf("del_key_bit: can't del: %02X\n", code);
- }
- }
- #endif
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