One-KVM/hid/pico/src/ph_usb_kbd.c
2023-08-03 05:47:27 +03:00

79 lines
3.4 KiB
C

/* ========================================================================= #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com> #
# #
# 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/>. #
# #
# ========================================================================= */
#include "ph_usb_kbd.h"
#include "ph_types.h"
const u8 PH_USB_KBD_DESC[] = {
// Logitech descriptor. It's very similar to https://www.kernel.org/doc/Documentation/usb/gadget_hid.txt
// Dumped using usbhid-dump; parsed using https://eleccelerator.com/usbdescreqparser
// Keyboard
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x06, // USAGE (Keyboard)
0xA1, 0x01, // COLLECTION (Application)
// Modifiers
0x05, 0x07, // USAGE_PAGE (Keyboard)
0x19, 0xE0, // USAGE_MINIMUM (Keyboard LeftControl)
0x29, 0xE7, // USAGE_MAXIMUM (Keyboard Right GUI)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x08, // REPORT_COUNT (8)
0x81, 0x02, // INPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
// Reserved byte
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x08, // REPORT_SIZE (8)
0x81, 0x01, // INPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
// LEDs output
0x95, 0x05, // REPORT_COUNT (5)
0x75, 0x01, // REPORT_SIZE (1)
0x05, 0x08, // USAGE_PAGE (LEDs)
0x19, 0x01, // USAGE_MINIMUM (Num Lock)
0x29, 0x05, // USAGE_MAXIMUM (Kana)
0x91, 0x02, // OUTPUT (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
// Reserved 3 bits in output
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x03, // REPORT_SIZE (3)
0x91, 0x01, // OUTPUT (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
// 6 keys
0x95, 0x06, // REPORT_COUNT (6)
0x75, 0x08, // REPORT_SIZE (8)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x00, // LOGICAL_MAXIMUM (0xFF)
0x05, 0x07, // USAGE_PAGE (Keyboard)
0x19, 0x00, // USAGE_MINIMUM (Reserved)
0x2A, 0xFF, 0x00, // USAGE_MAXIMUM (0xFF)
0x81, 0x00, // INPUT (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
0xC0, // END_COLLECTION
};
const uz PH_USB_KBD_DESC_LEN = sizeof(PH_USB_KBD_DESC);