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/*****************************************************************************
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018 Maxim Devaev <[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 3 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 <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <Arduino.h>
#include <ps2dev.h>
#include "keymap.h"
// #define PS2_KBD_CLOCK_PIN 7
// #define PS2_KBD_DATA_PIN 5
class Ps2HidKeyboard {
// https://wiki.osdev.org/PS/2_Keyboard
public:
Ps2HidKeyboard() : _dev(PS2_KBD_CLOCK_PIN, PS2_KBD_DATA_PIN) {}
void begin() {
_dev.keyboard_init();
}
bool isOnline() {
return true;
}
void periodic() {
_dev.keyboard_handle(&_leds);
}
void sendKey(uint8_t code, bool state) {
Ps2KeyType ps2_type;
uint8_t ps2_code;
keymapPs2(code, &ps2_type, &ps2_code);
if (ps2_type != PS2_KEY_TYPE_UNKNOWN) {
// Не отправлялась часть нажатий. Когда clock на нуле, комп не принимает ничего от клавы.
// Этот костыль понижает процент пропущенных нажатий.
while (digitalRead(PS2_KBD_CLOCK_PIN) == 0) {};
if (state) {
switch (ps2_type) {
case PS2_KEY_TYPE_REG: _dev.keyboard_press(ps2_code); break;
case PS2_KEY_TYPE_SPEC: _dev.keyboard_press_special(ps2_code); break;
case PS2_KEY_TYPE_PRINT: _dev.keyboard_press_printscreen(); break;
case PS2_KEY_TYPE_PAUSE: _dev.keyboard_pausebreak(); break;
case PS2_KEY_TYPE_UNKNOWN: break;
}
} else {
switch (ps2_type) {
case PS2_KEY_TYPE_REG: _dev.keyboard_release(ps2_code); break;
case PS2_KEY_TYPE_SPEC: _dev.keyboard_release_special(ps2_code); break;
case PS2_KEY_TYPE_PRINT: _dev.keyboard_release_printscreen(); break;
case PS2_KEY_TYPE_PAUSE: break;
case PS2_KEY_TYPE_UNKNOWN: break;
}
}
}
}
uint8_t getLedsAs(uint8_t caps, uint8_t scroll, uint8_t num) {
uint8_t result = 0;
periodic();
if (_leds & 0b00000100) result |= caps;
if (_leds & 0b00000001) result |= scroll;
if (_leds & 0b00000010) result |= num;
return result;
}
private:
PS2dev _dev;
uint8_t _leds = 0;
};
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