forked from forks/qmk_firmware
184 lines
4 KiB
C
184 lines
4 KiB
C
/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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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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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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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 <stdint.h>
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#include <avr/interrupt.h>
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#include "usb_keycodes.h"
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#include "usb_keyboard.h"
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#if defined(MOUSEKEY_ENABLE) || defined(PS2_MOUSE_ENABLE)
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#include "usb_mouse.h"
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#endif
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#ifdef EXTRAKEY_ENABLE
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#include "usb_extra.h"
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#endif
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#include "debug.h"
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#include "host.h"
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#include "util.h"
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#ifdef NKRO_ENABLE
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bool keyboard_nkro = false;
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#endif
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static report_keyboard_t report0;
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static report_keyboard_t report1;
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report_keyboard_t *keyboard_report = &report0;
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report_keyboard_t *keyboard_report_prev = &report1;
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static inline void add_key_byte(uint8_t code);
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static inline void add_key_bit(uint8_t code);
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uint8_t host_keyboard_leds(void)
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{
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return usb_keyboard_leds;
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}
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/* keyboard report operations */
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void host_add_key(uint8_t key)
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{
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#ifdef NKRO_ENABLE
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if (keyboard_nkro) {
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add_key_bit(key);
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return;
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}
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#endif
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add_key_byte(key);
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}
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void host_add_mod_bit(uint8_t mod)
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{
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keyboard_report->mods |= mod;
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}
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void host_set_mods(uint8_t mods)
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{
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keyboard_report->mods = mods;
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}
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void host_add_code(uint8_t code)
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{
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if (IS_MOD(code)) {
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host_add_mod_bit(MOD_BIT(code));
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} else {
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host_add_key(code);
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}
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}
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void host_swap_keyboard_report(void)
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{
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uint8_t sreg = SREG;
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cli();
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report_keyboard_t *tmp = keyboard_report_prev;
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keyboard_report_prev = keyboard_report;
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keyboard_report = tmp;
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SREG = sreg;
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}
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void host_clear_keyboard_report(void)
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{
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keyboard_report->mods = 0;
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for (int8_t i = 0; i < REPORT_KEYS; i++) {
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keyboard_report->keys[i] = 0;
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}
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}
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uint8_t host_has_anykey(void)
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{
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uint8_t cnt = 0;
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for (int i = 0; i < REPORT_KEYS; i++) {
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if (keyboard_report->keys[i])
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cnt++;
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}
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return cnt;
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}
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uint8_t host_get_first_key(void)
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{
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#ifdef NKRO_ENABLE
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if (keyboard_nkro) {
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uint8_t i = 0;
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for (; i < REPORT_KEYS && !keyboard_report->keys[i]; i++)
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;
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return i<<3 | biton(keyboard_report->keys[i]);
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}
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#endif
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return keyboard_report->keys[0];
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}
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void host_send_keyboard_report(void)
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{
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usb_keyboard_send_report(keyboard_report);
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}
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#if defined(MOUSEKEY_ENABLE) || defined(PS2_MOUSE_ENABLE)
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void host_mouse_send(report_mouse_t *report)
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{
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usb_mouse_send(report->x, report->y, report->v, report->h, report->buttons);
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}
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#endif
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#ifdef EXTRAKEY_ENABLE
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void host_system_send(uint16_t data)
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{
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usb_extra_system_send(data);
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}
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void host_consumer_send(uint16_t data)
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{
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static uint16_t last_data = 0;
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if (data == last_data) return;
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last_data = data;
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usb_extra_consumer_send(data);
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}
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#endif
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static inline void add_key_byte(uint8_t code)
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{
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// TODO: fix ugly code
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int8_t i = 0;
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int8_t empty = -1;
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for (; i < REPORT_KEYS; i++) {
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if (keyboard_report_prev->keys[i] == code) {
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keyboard_report->keys[i] = code;
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break;
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}
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if (empty == -1 &&
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keyboard_report_prev->keys[i] == 0 &&
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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 == 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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}
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static inline void add_key_bit(uint8_t code)
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{
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if ((code>>3) < REPORT_KEYS) {
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keyboard_report->keys[code>>3] |= 1<<(code&7);
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} else {
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debug("add_key_bit: can't add: "); phex(code); debug("\n");
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}
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}
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