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path: root/hid/pico/src/ph_usb_mouse.c
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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/>.  #
#                                                                            #
# ========================================================================= */


#include "ph_usb_mouse.h"

#include "ph_types.h"


const u8 PH_USB_MOUSE_ABS_DESC[] = {
	// https://github.com/NicoHood/HID/blob/0835e6a/src/SingleReport/SingleAbsoluteMouse.cpp
	// Репорт взят отсюда ^^^, но изменен диапазон значений координат перемещений.
	// Автор предлагает использовать -32768...32767, но семерка почему-то не хочет работать
	// с отрицательными значениями координат, как не хочет хавать 65536 и 32768.
	// Так что мы ей скармливаем диапазон 0...32767, и передаем рукожопам из микрософта привет,
	// потому что линуксы прекрасно работают с любыми двухбайтовыми диапазонами.

	// Absolute mouse
	0x05, 0x01,	// USAGE_PAGE (Generic Desktop)
	0x09, 0x02,	// USAGE (Mouse)
	0xA1, 0x01,	// COLLECTION (Application)

	// Pointer and Physical are required by Apple Recovery
	0x09, 0x01,	// USAGE (Pointer)
	0xA1, 0x00,	// COLLECTION (Physical)

	// 8 Buttons
	0x05, 0x09,	// USAGE_PAGE (Button)
	0x19, 0x01,	// USAGE_MINIMUM (Button 1)
	0x29, 0x08,	// USAGE_MAXIMUM (Button 8)
	0x15, 0x00,	// LOGICAL_MINIMUM (0)
	0x25, 0x01,	// LOGICAL_MAXIMUM (1)
	0x95, 0x08,	// REPORT_COUNT (8)
	0x75, 0x01,	// REPORT_SIZE (1)
	0x81, 0x02,	// INPUT (Data,Var,Abs)

	// X, Y
	0x05, 0x01,	// USAGE_PAGE (Generic Desktop)
	0x09, 0x30,	// USAGE (X)
	0x09, 0x31,	// USAGE (Y)
	0x16, 0x00, 0x00,	// LOGICAL_MINIMUM (0)
	0x26, 0xFF, 0x7F,	// LOGICAL_MAXIMUM (32767)
	0x75, 0x10,	// REPORT_SIZE (16)
	0x95, 0x02,	// REPORT_COUNT (2)
	0x81, 0x02,	// INPUT (Data,Var,Abs)

	// Wheel
	0x09, 0x38,	// USAGE (Wheel)
	0x15, 0x81,	// LOGICAL_MINIMUM (-127)
	0x25, 0x7F,	// LOGICAL_MAXIMUM (127)
	0x75, 0x08,	// REPORT_SIZE (8)
	0x95, 0x01,	// REPORT_COUNT (1)
	0x81, 0x06,	// INPUT (Data,Var,Rel)

	// End
	0xC0,	// END_COLLECTION (Physical)
	0xC0,	// END_COLLECTION
};

const uz PH_USB_MOUSE_ABS_DESC_LEN = sizeof(PH_USB_MOUSE_ABS_DESC);

const u8 PH_USB_MOUSE_REL_DESC[] = {
	// https://github.com/NicoHood/HID/blob/0835e6a/src/SingleReport/BootMouse.cpp

	// Relative mouse
	0x05, 0x01,	// USAGE_PAGE (Generic Desktop)
	0x09, 0x02,	// USAGE (Mouse)
	0xA1, 0x01,	// COLLECTION (Application)

	// Pointer and Physical are required by Apple Recovery
	0x09, 0x01,	// USAGE (Pointer)
	0xA1, 0x00,	// COLLECTION (Physical)

	// 8 Buttons
	0x05, 0x09,	// USAGE_PAGE (Button)
	0x19, 0x01,	// USAGE_MINIMUM (Button 1)
	0x29, 0x08,	// USAGE_MAXIMUM (Button 8)
	0x15, 0x00,	// LOGICAL_MINIMUM (0)
	0x25, 0x01,	// LOGICAL_MAXIMUM (1)
	0x95, 0x08,	// REPORT_COUNT (8)
	0x75, 0x01,	// REPORT_SIZE (1)
	0x81, 0x02,	// INPUT (Data,Var,Abs)

	// X, Y
	0x05, 0x01,	// USAGE_PAGE (Generic Desktop)
	0x09, 0x30,	// USAGE (X)
	0x09, 0x31,	// USAGE (Y)

	// Wheel
	0x09, 0x38,	// USAGE (Wheel)
	0x15, 0x81,	// LOGICAL_MINIMUM (-127)
	0x25, 0x7F,	// LOGICAL_MAXIMUM (127)
	0x75, 0x08,	// REPORT_SIZE (8)
	0x95, 0x03,	// REPORT_COUNT (3)
	0x81, 0x06,	// INPUT (Data,Var,Rel)

	// End
	0xC0,	// END_COLLECTION (Physical)
	0xC0,	// END_COLLECTION
};

const uz PH_USB_MOUSE_REL_DESC_LEN = sizeof(PH_USB_MOUSE_REL_DESC);