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/*****************************************************************************
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2024 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 <USBComposite.h>
#include "tools.h"
#include "keyboard.h"
#include "usb-keymap.h"
#include "hid-wrapper-stm32.h"
namespace DRIVERS {
const uint8_t reportDescriptionKeyboard[] = {
HID_KEYBOARD_REPORT_DESCRIPTOR(),
};
class UsbKeyboard : public Keyboard {
public:
UsbKeyboard(HidWrapper& _hidWrapper) : Keyboard(USB_KEYBOARD),
_hidWrapper(_hidWrapper), _keyboard(_hidWrapper.usbHid) {
_hidWrapper.addReportDescriptor(reportDescriptionKeyboard, sizeof(reportDescriptionKeyboard));
}
void begin() override {
_hidWrapper.begin();
_keyboard.begin();
}
void clear() override {
_keyboard.releaseAll();
}
void sendKey(uint8_t code, bool state) override {
uint16_t usb_code = keymapUsb(code);
if (usb_code == 0) {
return;
}
// 0xE0 is a prefix from HID-Project keytable
if (usb_code >= 0xE0 && usb_code <= 0xE7) {
usb_code = usb_code - 0xE0 + 0x80;
} else {
usb_code += KEY_HID_OFFSET;
}
if (state) {
_keyboard.press(usb_code);
} else {
_keyboard.release(usb_code);
}
}
bool isOffline() override {
return (USBComposite == false);
}
KeyboardLedsState getLeds() override {
uint8_t leds = _keyboard.getLEDs();
KeyboardLedsState result = {
.caps = leds & 0b00000010,
.scroll = leds & 0b00000100,
.num = leds & 0b00000001,
};
return result;
}
private:
HidWrapper& _hidWrapper;
HIDKeyboard _keyboard;
};
}
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