67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PS2_MOUSE_H
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#define PS2_MOUSE_H
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#include <stdbool.h>
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#define PS2_MOUSE_READ_DATA 0xEB
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/*
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* Data format:
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* byte|7 6 5 4 3 2 1 0
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* ----+--------------------------------------------------------------
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* 0|Yovflw Xovflw Ysign Xsign 1 Middle Right Left
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* 1| X movement(0-255)
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* 2| Y movement(0-255)
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*/
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#define PS2_MOUSE_BTN_MASK 0x07
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#define PS2_MOUSE_BTN_LEFT 0
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#define PS2_MOUSE_BTN_RIGHT 1
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#define PS2_MOUSE_BTN_MIDDLE 2
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#define PS2_MOUSE_X_SIGN 4
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#define PS2_MOUSE_Y_SIGN 5
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#define PS2_MOUSE_X_OVFLW 6
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#define PS2_MOUSE_Y_OVFLW 7
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/*
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* Scroll by mouse move with pressing button
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*/
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/* mouse button to start scrolling; set 0 to disable scroll */
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#ifndef PS2_MOUSE_SCROLL_BTN_MASK
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#define PS2_MOUSE_SCROLL_BTN_MASK (1<<PS2_MOUSE_BTN_MIDDLE)
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#endif
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/* send button event when button is released within this value(ms); set 0 to disable */
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#ifndef PS2_MOUSE_SCROLL_BTN_SEND
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#define PS2_MOUSE_SCROLL_BTN_SEND 300
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#endif
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/* divide virtical and horizontal mouse move by this to convert to scroll move */
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#ifndef PS2_MOUSE_SCROLL_DIVISOR_V
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#define PS2_MOUSE_SCROLL_DIVISOR_V 2
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#endif
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#ifndef PS2_MOUSE_SCROLL_DIVISOR_H
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#define PS2_MOUSE_SCROLL_DIVISOR_H 2
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#endif
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uint8_t ps2_mouse_init(void);
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void ps2_mouse_task(void);
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#endif
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