/* 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