138 lines
3.2 KiB
C
138 lines
3.2 KiB
C
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/*
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* gpm2 - mouse driver for the console
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*
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* Copyright (c) 2007 Nico Schottelius <nico-gpm2 () schottelius.org>
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*
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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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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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*
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* handle standard ps2
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********/
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#include <unistd.h> /* usleep() */
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#include <termios.h> /* tcflush() */
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#include <stdio.h>
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#include "gpm2-daemon.h"
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#include "gpm2-generic.h"
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/* protocol handler stolen from gpm1/mice.c */
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/* ps2 protocol description
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*
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* 3 Bytes per packet
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*
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* first bit of data[0]: Left Button
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* second bit of data[0]: Right Button
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* third bit of data[0]: Middle Button
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* fourth bit of data[0]: Always 1
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* fifth bit of data[0]: X Sign
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* sixth bit of data[0]: Y Sign
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* seventh bit of data[0]: X Overflow
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* eighth bit of data[0]: Y Overflow
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*
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* data[1]: X Movement
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* data[2]: Y Movement
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*/
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/* standard ps2 */
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/* FIXME: implement error handling and options as described on
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* http://www.computer-engineering.org/ps2mouse/
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*/
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int gpm2_open_ps2(int fd)
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{
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// static unsigned char s[] = { 246, 230, 244, 243, 100, 232, 3, };
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// write(fd, s, sizeof (s));
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// static unsigned char s[] = { 246, 230, 244, 243, 100, 232, 3, };
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char obuf, ibuf;
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/*
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* FIXME: check return
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*/
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obuf = 0xff; /* reset mouse */
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write(fd, &obuf, 1);
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read(fd, &ibuf, 1);
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printf("RX: %#hhx\n", ibuf);
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// if(ibuf != 0xfa) return 0;
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// obuf = 0xf6; /* set mouse to default */
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// write(fd, &obuf, 1);
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// read(fd,&ibuf,1);
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// printf("DF: %#hhx\n",ibuf);
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obuf = 0xf2; /* device id */
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write(fd, &obuf, 1);
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read(fd, &ibuf, 1);
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printf("ST: %#hhx\n", ibuf);
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read(fd, &ibuf, 1);
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printf("DI: %#hhx\n", ibuf);
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/*
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* set resolution: 0xe8
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*/
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// if(scaling = 2) { e7h
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//
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// 0xe6 scaling =1
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/*
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* do 0xf2, get device id and print it out
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*/
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/*
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* do 0xe9 and print out values as status
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*/
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/*
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* FIXME: time correct?
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*/
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usleep(30000);
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tcflush(fd, TCIFLUSH);
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return 0;
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}
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/* returs gpm2-readable data */
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//int *gpm2_decode_ps2(char *data, struct mousedata *decoded)
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int gpm2_decode_ps2(int fd)
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{
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char data[3];
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data[0] = 0;
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data[1] = 0;
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data[2] = 0;
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read(fd, data, 3);
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if(data[0] & 0x01)
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mini_printf("left!\n", 1);
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if(data[0] & 0x02)
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mini_printf("right!\n", 1);
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if(data[0] & 0x04)
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mini_printf("middle!\n", 1);
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/*
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* decoded->button_left = data[0] & 0x01; decoded->button_right = data[0] &
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* 0x02; decoded->button_middle = data[0] & 0x04;
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*
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* decoded->
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*/
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return 1;
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}
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