mirror of
https://github.com/mofeng-git/One-KVM.git
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96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
/*****************************************************************************
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
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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 3 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 <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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#pragma once
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#include <Arduino.h>
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#include <ps2dev.h>
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#include "keyboard.h"
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#include "keymap.h"
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// #define HID_PS2_KBD_CLOCK_PIN 7
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// #define HID_PS2_KBD_DATA_PIN 5
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class Ps2Keyboard : public DRIVERS::Keyboard {
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// https://wiki.osdev.org/PS/2_Keyboard
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public:
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Ps2Keyboard() : DRIVERS::Keyboard(DRIVERS::PS2_KEYBOARD), _dev(HID_PS2_KBD_CLOCK_PIN, HID_PS2_KBD_DATA_PIN) {}
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void begin() override {
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_dev.keyboard_init();
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}
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void periodic() override {
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_dev.keyboard_handle(&_leds);
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}
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void sendKey(uint8_t code, bool state) override {
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Ps2KeyType ps2_type;
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uint8_t ps2_code;
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keymapPs2(code, &ps2_type, &ps2_code);
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if (ps2_type != PS2_KEY_TYPE_UNKNOWN) {
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// Не отправлялась часть нажатий. Когда clock на нуле, комп не принимает ничего от клавы.
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// Этот костыль понижает процент пропущенных нажатий.
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while (digitalRead(HID_PS2_KBD_CLOCK_PIN) == 0) {};
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if (state) {
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switch (ps2_type) {
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case PS2_KEY_TYPE_REG: _dev.keyboard_press(ps2_code); break;
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case PS2_KEY_TYPE_SPEC: _dev.keyboard_press_special(ps2_code); break;
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case PS2_KEY_TYPE_PRINT: _dev.keyboard_press_printscreen(); break;
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case PS2_KEY_TYPE_PAUSE: _dev.keyboard_pausebreak(); break;
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case PS2_KEY_TYPE_UNKNOWN: break;
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}
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} else {
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switch (ps2_type) {
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case PS2_KEY_TYPE_REG: _dev.keyboard_release(ps2_code); break;
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case PS2_KEY_TYPE_SPEC: _dev.keyboard_release_special(ps2_code); break;
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case PS2_KEY_TYPE_PRINT: _dev.keyboard_release_printscreen(); break;
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case PS2_KEY_TYPE_PAUSE: break;
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case PS2_KEY_TYPE_UNKNOWN: break;
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}
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}
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}
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}
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bool isOffline() override {
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return false;
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}
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KeyboardLedsState getLeds() override {
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periodic();
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KeyboardLedsState result = {
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.caps = _leds & 0b00000100,
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.scroll = _leds & 0b00000001,
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.num = _leds & 0b00000010,
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};
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return result;
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}
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private:
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PS2dev _dev;
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uint8_t _leds = 0;
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};
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