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qmk_firmware/tmk_core/protocol/ps2_mouse.h

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/*
Copyright 2011 Jun Wako <wakojun@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 2 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 <http://www.gnu.org/licenses/>.
*/
#ifndef PS2_MOUSE_H
#define PS2_MOUSE_H
#include <stdbool.h>
#define PS2_MOUSE_READ_DATA 0xEB
/*
* Data format:
* byte|7 6 5 4 3 2 1 0
* ----+--------------------------------------------------------------
* 0|Yovflw Xovflw Ysign Xsign 1 Middle Right Left
* 1| X movement(0-255)
* 2| Y movement(0-255)
*/
#define PS2_MOUSE_BTN_MASK 0x07
#define PS2_MOUSE_BTN_LEFT 0
#define PS2_MOUSE_BTN_RIGHT 1
#define PS2_MOUSE_BTN_MIDDLE 2
#define PS2_MOUSE_X_SIGN 4
#define PS2_MOUSE_Y_SIGN 5
#define PS2_MOUSE_X_OVFLW 6
#define PS2_MOUSE_Y_OVFLW 7
/*
* Scroll by mouse move with pressing button
*/
/* mouse button to start scrolling; set 0 to disable scroll */
#ifndef PS2_MOUSE_SCROLL_BTN_MASK
#define PS2_MOUSE_SCROLL_BTN_MASK (1<<PS2_MOUSE_BTN_MIDDLE)
#endif
/* send button event when button is released within this value(ms); set 0 to disable */
#ifndef PS2_MOUSE_SCROLL_BTN_SEND
#define PS2_MOUSE_SCROLL_BTN_SEND 300
#endif
/* divide virtical and horizontal mouse move by this to convert to scroll move */
#ifndef PS2_MOUSE_SCROLL_DIVISOR_V
#define PS2_MOUSE_SCROLL_DIVISOR_V 2
#endif
#ifndef PS2_MOUSE_SCROLL_DIVISOR_H
#define PS2_MOUSE_SCROLL_DIVISOR_H 2
#endif
uint8_t ps2_mouse_init(void);
void ps2_mouse_task(void);
#endif