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gpm
inputattach.c
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File inputattach.c of Package gpm
/* * $Id: inputattach.c,v 1.2 2007/04/02 14:18:54 tjanouse Exp $ * * Copyright (c) 1999-2000 Vojtech Pavlik * * Sponsored by SuSE * * Twiddler support Copyright (c) 2001 Arndt Schoenewald * Sponsored by Quelltext AG (http://www.quelltext-ag.de), Dortmund, Germany */ /* * Input line discipline attach program */ /* * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Should you need to contact me, the author, you can do so either by * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */ #include <linux/serio.h> #include <sys/types.h> #include <sys/stat.h> #include <sys/ioctl.h> #include <sys/time.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <termios.h> #include <string.h> #include <assert.h> #include <ctype.h> int readchar(int fd, unsigned char *c, int timeout) { struct timeval tv; fd_set set; tv.tv_sec = 0; tv.tv_usec = timeout * 1000; FD_ZERO(&set); FD_SET(fd, &set); if (!select(fd+1, &set, NULL, NULL, &tv)) return -1; if (read(fd, c, 1) != 1) return -1; return 0; } void setline(int fd, int flags, int speed) { struct termios t; tcgetattr(fd, &t); t.c_cflag = flags | CREAD | HUPCL | CLOCAL; t.c_iflag = IGNBRK | IGNPAR; t.c_oflag = 0; t.c_lflag = 0; t.c_cc[VMIN ] = 1; t.c_cc[VTIME] = 0; cfsetispeed(&t, speed); cfsetospeed(&t, speed); tcsetattr(fd, TCSANOW, &t); } int logitech_command(int fd, char *c) { int i; unsigned char d; for (i = 0; c[i]; i++) { write(fd, c + i, 1); if (readchar(fd, &d, 1000)) return -1; if (c[i] != d) return -1; } return 0; } int magellan_init(int fd, long *id, long *extra) { write(fd, "m3\rpBB\rz\r", 9); return 0; } int warrior_init(int fd, long *id, long *extra) { if (logitech_command(fd, "*S")) return -1; setline(fd, CS8, B4800); return 0; } int spaceball_waitchar(int fd, unsigned char c, unsigned char *d, int timeout) { unsigned char b = 0; while (!readchar(fd, &b, timeout)) { if (b == 0x0a) continue; *d++ = b; if (b == c) break; } *d = 0; return -(b != c); } int spaceball_waitcmd(int fd, char c, char *d) { int i; for (i = 0; i < 8; i++) { if (spaceball_waitchar(fd, 0x0d, d, 1000)) return -1; if (d[0] == c) return 0; } return -1; } int spaceball_cmd(int fd, char *c, char *d) { int i; for (i = 0; c[i]; i++) write(fd, c + i, 1); write(fd, "\r", 1); i = spaceball_waitcmd(fd, toupper(c[0]), d); return i; } #define SPACEBALL_1003 1 #define SPACEBALL_2003B 3 #define SPACEBALL_2003C 4 #define SPACEBALL_3003C 7 #define SPACEBALL_4000FLX 8 #define SPACEBALL_4000FLX_L 9 int spaceball_init(int fd, long *id, long *extra) { char r[64]; if (spaceball_waitchar(fd, 0x11, r, 4000) || spaceball_waitchar(fd, 0x0d, r, 1000)) return -1; if (spaceball_waitcmd(fd, '@', r)) return -1; if (strncmp("@1 Spaceball alive", r, 18)) return -1; if (spaceball_waitcmd(fd, '@', r)) return -1; if (spaceball_cmd(fd, "hm", r)) return -1; if (!strncmp("Hm2003B", r, 7)) *id = SPACEBALL_2003B; if (!strncmp("Hm2003C", r, 7)) *id = SPACEBALL_2003C; if (!strncmp("Hm3003C", r, 7)) *id = SPACEBALL_3003C; if (!strncmp("HvFirmware", r, 10)) { if (spaceball_cmd(fd, "\"", r)) return -1; if (strncmp("\"1 Spaceball 4000 FLX", r, 21)) return -1; if (spaceball_waitcmd(fd, '"', r)) return -1; if (strstr(r, " L ")) *id = SPACEBALL_4000FLX_L; else *id = SPACEBALL_4000FLX; if (spaceball_waitcmd(fd, '"', r)) return -1; if (spaceball_cmd(fd, "YS", r)) return -1; if (spaceball_cmd(fd, "M", r)) return -1; return 0; } if (spaceball_cmd(fd, "P@A@A", r) || spaceball_cmd(fd, "FT@", r) || spaceball_cmd(fd, "MSS", r)) return -1; return 0; } int stinger_init(int fd, long *id, long *extra) { int i; unsigned char c; unsigned char *response = "\r\n0600520058C272"; if (write(fd, " E5E5", 5) != 5) /* Enable command */ return -1; for (i = 0; i < 16; i++) /* Check for Stinger */ if (readchar(fd, &c, 200) || (c != response[i])) return -1; return 0; } int mzp_init(int fd, long *id, long *extra) { if (logitech_command(fd, "*X*q")) return -1; setline(fd, CS8, B9600); return 0; } int newton_init(int fd, long *id, long *extra) { int i; unsigned char c; unsigned char response[35] = { 0x16, 0x10, 0x02, 0x64, 0x5f, 0x69, 0x64, 0x00, 0x00, 0x00, 0x0c, 0x6b, 0x79, 0x62, 0x64, 0x61, 0x70, 0x70, 0x6c, 0x00, 0x00, 0x00, 0x01, 0x6e, 0x6f, 0x66, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x10, 0x03, 0xdd, 0xe7 }; for (i = 0; i < 35; i++) if (readchar(fd, &c, 400) || (c != response[i])) return -1; return 0; } int twiddler_init(int fd, long *id, long *extra) { unsigned char c[10]; int count, line; /* Turn DTR off, otherwise the Twiddler won't send any data. */ if (ioctl(fd, TIOCMGET, &line)) return -1; line &= ~TIOCM_DTR; if (ioctl(fd, TIOCMSET, &line)) return -1; /* Check whether the device on the serial line is the Twiddler. * * The Twiddler sends data packets of 5 bytes which have the following * properties: the MSB is 0 on the first and 1 on all other bytes, and * the high order nibble of the last byte is always 0x8. * * We read and check two of those 5 byte packets to be sure that we * are indeed talking to a Twiddler. */ /* Read at most 5 bytes until we find one with the MSB set to 0 */ for (count = 0; count < 5; count++) { if (readchar(fd, c+0, 500)) return -1; if ((c[0] & 0x80) == 0) break; } if (count == 5) { /* Could not find header byte in data stream */ return -1; } /* Read remaining 4 bytes plus the full next data packet */ for (count = 1; count < 10; count++) { if (readchar(fd, c+count, 500)) return -1; } /* Check whether the bytes of both data packets obey the rules */ for (count = 1; count < 10; count++) { if ((count % 5 == 0 && (c[count] & 0x80) != 0) || (count % 5 == 4 && (c[count] & 0xF0) != 0x80) || (count % 5 != 0 && (c[count] & 0x80) != 0x80)) { /* Invalid byte in data packet */ return -1; } } return 0; } int dump_init(int fd, long *id, long *extra) { unsigned char c, o = 0; c = 0x80; if (write(fd, &c, 1) != 1) /* Enable command */ return -1; while (1) if (!readchar(fd, &c, 1)) { printf("%02x (%c) ", c, ((c > 32) && (c < 127)) ? c : 'x'); o = 1; } else { if (o) { printf("\n"); o = 0; } } } struct input_types { char name[16]; char name2[16]; int speed; int flags; unsigned long type; unsigned long id; unsigned long extra; int flush; int (*init)(int fd, long *id, long *extra); }; struct input_types input_types[] = { { "--sunkbd", "-skb", B1200, CS8, SERIO_SUNKBD, 0, 0, 1, NULL }, { "--lkkbd", "-lk", B4800, CS8|CSTOPB, SERIO_LKKBD, 0, 0, 1, NULL }, { "--vsxxx-aa", "-vs", B4800, CS8|CSTOPB|PARENB|PARODD,SERIO_VSXXXAA, 0, 0, 1, NULL }, { "--spaceorb", "-orb", B9600, CS8, SERIO_SPACEORB, 0, 0, 1, NULL }, { "--spaceball", "-sbl", B9600, CS8, SERIO_SPACEBALL,0, 0, 0, spaceball_init }, { "--magellan", "-mag", B9600, CS8 | CSTOPB | CRTSCTS, SERIO_MAGELLAN, 0, 0, 1, magellan_init }, { "--warrior", "-war", B1200, CS7 | CSTOPB, SERIO_WARRIOR, 0, 0, 1, warrior_init }, { "--stinger", "-sting", B1200, CS8, SERIO_STINGER, 0, 0, 1, stinger_init }, { "--mousesystems", "-msc", B1200, CS8, SERIO_MSC, 0, 0x01, 1, NULL }, { "--sunmouse", "-sun", B1200, CS8, SERIO_SUN, 0, 0x01, 1, NULL }, { "--microsoft", "-bare", B1200, CS7, SERIO_MS, 0, 0, 1, NULL }, { "--mshack", "-ms", B1200, CS7, SERIO_MS, 0, 0x01, 1, NULL }, { "--mouseman", "-mman", B1200, CS7, SERIO_MP, 0, 0x01, 1, NULL }, { "--intellimouse", "-ms3", B1200, CS7, SERIO_MZ, 0, 0x11, 1, NULL }, { "--mmwheel", "-mmw", B1200, CS7 | CSTOPB, SERIO_MZP, 0, 0x13, 1, mzp_init }, { "--iforce", "-ifor", B38400, CS8, SERIO_IFORCE, 0, 0, 0, NULL }, { "--newtonkbd", "-newt", B9600, CS8, SERIO_NEWTON, 0, 0, 0, newton_init }, { "--h3600ts", "-ipaq", B115200, CS8, SERIO_H3600, 0, 0, 0, NULL }, { "--stowawaykbd", "-ipaqkbd", B115200, CS8, SERIO_STOWAWAY, 0, 0, 0, NULL }, { "--ps2serkbd", "-ps2ser", B1200, CS8, SERIO_PS2SER, 0, 0, 1, NULL }, { "--twiddler", "-twid", B2400, CS8, SERIO_TWIDKBD, 0, 0, 0, twiddler_init }, { "--twiddler-joy", "-twidjoy", B2400, CS8, SERIO_TWIDJOY, 0, 0, 0, twiddler_init }, { "--elotouch", "-elo", B9600, CS8 | CRTSCTS, SERIO_ELO, 0, 0, 0, NULL }, { "--elo4002", "-elo6b", B9600, CS8 | CRTSCTS, SERIO_ELO, 1, 0, 0, NULL }, { "--elo271-140", "-elo4b", B9600, CS8 | CRTSCTS, SERIO_ELO, 2, 0, 0, NULL }, { "--elo261-280", "-elo3b", B9600, CS8 | CRTSCTS, SERIO_ELO, 3, 0, 0, NULL }, { "--dump", "-dump", B2400, CS8, 0, 0, 0, 0, dump_init }, { "", "", 0, 0 } }; int main(int argc, char **argv) { unsigned long devt; int ldisc; int type; long id, extra; int fd; char c; if (argc < 2 || argc > 4 || (argc == 4 && strcmp(argv[3], "--daemon")) || !strcmp("--help", argv[1])) { puts(""); puts("Usage: inputttach <mode> <device>"); puts(""); puts("Modes:"); puts(" --sunkbd -skb Sun Type 4 and Type 5 keyboards"); puts(" --lkkbd -lk DEC LK201 / LK401 keyboards"); puts(" --vsxxx-aa -vs DEC VSXXX-AA / VSXXX-GA mouse and VSXXX-AB tablet"); puts(" --spaceorb -orb SpaceOrb 360 / SpaceBall Avenger"); puts(" --spaceball -sbl SpaceBall 2003 / 3003 / 4000 FLX"); puts(" --magellan -mag Magellan / SpaceMouse"); puts(" --warrior -war WingMan Warrior"); puts(" --stinger -stng Gravis Stinger"); puts(" --mousesystems -msc 3-button Mouse Systems mice"); puts(" --sunmouse -sun 3-button Sun mice"); puts(" --microsoft -bare 2-button Microsoft mice"); puts(" --mshack -ms 3-button mice in Microsoft mode"); puts(" --mouseman -mman 3-button Logitech and Genius mice"); puts(" --intellimouse -ms3 Microsoft IntelliMouse"); puts(" --mmwheel -mmw Logitech mice with 4-5 buttons or wheel"); puts(" --iforce -ifor I-Force joysticks and wheels"); puts(" --h3600ts -ipaq Ipaq h3600 touchscreen"); puts(" --stowawaykbd -ipaqkbd Stowaway keyboard"); puts(" --ps2serkbd -ps2ser PS/2 via serial keyboard"); puts(" --twiddler -twid Handykey Twiddler chording keyboard"); puts(" --twiddler-joy -twidjoy Handykey Twiddler used as a joystick"); puts(""); return 1; } for (type = 0; input_types[type].speed; type++) { if (!strncasecmp(argv[1], input_types[type].name, 16) || !strncasecmp(argv[1], input_types[type].name2, 16)) break; } if (!input_types[type].speed) { fprintf(stderr, "inputattach: invalid mode\n"); return 1; } if ((fd = open(argv[2], O_RDWR | O_NOCTTY | O_NONBLOCK)) < 0) { perror("inputattach"); return 1; } setline(fd, input_types[type].flags, input_types[type].speed); if (input_types[type].flush) while (!readchar(fd, &c, 100)); id = input_types[type].id; extra = input_types[type].extra; if (input_types[type].init && input_types[type].init(fd, &id, &extra)) { fprintf(stderr, "inputattach: device initialization failed\n"); return 1; } ldisc = N_MOUSE; if(ioctl(fd, TIOCSETD, &ldisc)) { fprintf(stderr, "inputattach: can't set line discipline\n"); return 1; } devt = input_types[type].type | (id << 8) | (extra << 16); if(ioctl(fd, SPIOCSTYPE, &devt)) { fprintf(stderr, "inputattach: can't set device type\n"); return 1; } if (argc == 4 && !strcmp(argv[3],"--daemon")) daemon(0,0); read(fd, NULL, 0); ldisc = 0; ioctl(fd, TIOCSETD, &ldisc); close(fd); return 0; }
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