Portál AbcLinuxu, 25. dubna 2024 16:34
#include < stdio.h > #include < stdlib.h > #define JOISTICK "/dev/js0" unsigned char buffer[33]; void cti_joi(void) { FILE *joi; if ((joi=fopen(JOISTICK,"rb"))==NULL) { fprintf(stderr,"Nelze otevrit soubor "JOISTICK" \n\n"); _exit(1); } fread(buffer,32,1,joi); fclose(joi); return; } int main(void) { printf("\n\n Program pro testovani joystiku-tlacitek v1.0 (c) 2000 Soban Petr S&S\n\n"); cti_joi(); printf("Tlacitka %X %X %X %X ", buffer[4],buffer[12],buffer[20],buffer[28]); return 0; }Je možné že pokud používáte pouze vstupy tlačítek tak musíte na vstupy kde jsou potenciometry připojit odpory tak jako by tam ty potenciometry byly. Dále u jednoho game portu jsem nemohl přečíst vstupy ať jsem dělal co chtěl (z mého zařízení) kdešto normální tlačítka tam fungovala, asi ten výstup toho tranzistoru nestačil, musel by se asi upravit vystupní obvod toho zařízení.
/* * jstest.c Version 1.2 * * Copyright (c) 1996-1999 Vojtech Pavlik * * Sponsored by SuSE */ /* * This program can be used to test all the features of the Linux * joystick API, including non-blocking and select() access, as * well as version 0.x compatibility mode. It is also intended to * serve as an example implementation for those who wish to learn * how to write their own joystick using applications. */ /* * 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@suse.cz >, or by paper mail: * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic */ #include < sys/ioctl.h > #include < sys/time.h > #include < sys/types.h > #include < stdlib.h > #include < fcntl.h > #include < unistd.h > #include < stdio.h > #include < errno.h > #include < string.h > #include < linux/joystick.h > #define NAME_LENGTH 128 int main (int argc, char **argv) { int fd; unsigned char axes = 2; unsigned char buttons = 2; int version = 0x000800; char name[NAME_LENGTH] = "Unknown"; if (argc < 2 || argc > 3 || !strcmp("--help", argv[1])) { puts(""); puts("Usage: jstest [< mode >] < device >"); puts(""); puts("Modes:"); puts(" --normal One-line mode showing immediate status"); puts(" --old Same as --normal, using 0.x interface"); puts(" --event Prints events as they come in"); puts(" --nonblock Same as --event, in nonblocking mode"); puts(" --select Same as --event, using select() call"); puts(""); exit(1); } if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) { perror("jstest"); exit(1); } ioctl(fd, JSIOCGVERSION, &version); ioctl(fd, JSIOCGAXES, &axes); ioctl(fd, JSIOCGBUTTONS, &buttons); ioctl(fd, JSIOCGNAME(NAME_LENGTH), name); printf("Joystick (%s) has %d axes and %d buttons. Driver version is %d.%d.%d.\n", name, axes, buttons, version >> 16, (version >> 8) & 0xff, version & 0xff); printf("Testing ... (interrupt to exit)\n"); /* * Old (0.x) interface. */ if ((argc == 2 && version < 0x010000) || !strcmp("--old", argv[1])) { struct JS_DATA_TYPE js; while (1) { if (read(fd, &js, JS_RETURN) != JS_RETURN) { perror("\njstest: error reading"); exit(1); } printf("Axes: X:%3d Y:%3d Buttons: A:%s B:%s\r", js.x, js.y, (js.buttons & 1) ? "on " : "off", (js.buttons & 2) ? "on " : "off"); fflush(stdout); usleep(10000); } } /* * Event interface, single line readout. */ if (argc == 2 || !strcmp("--normal", argv[1])) { int *axis; int *button; int i; struct js_event js; axis = calloc(axes, sizeof(int)); button = calloc(buttons, sizeof(char)); while (1) { if (read(fd, &js, sizeof(struct js_event)) != sizeof(struct js_event)) { perror("\njstest: error reading"); exit (1); } switch(js.type & ~JS_EVENT_INIT) { case JS_EVENT_BUTTON: button[js.number] = js.value; break; case JS_EVENT_AXIS: axis[js.number] = js.value; break; } printf("\r"); if (axes) { printf("Axes: "); for (i = 0; i < axes; i++) printf("%2d:%6d ", i, axis[i]); } if (buttons) { printf("Buttons: "); for (i = 0; i < buttons; i++) printf("%2d:%s ", i, button[i] ? "on " : "off"); } fflush(stdout); } } /* * Event interface, events being printed. */ if (!strcmp("--event", argv[1])) { struct js_event js; while (1) { if (read(fd, &js, sizeof(struct js_event)) != sizeof(struct js_event)) { perror("\njstest: error reading"); exit (1); } printf("Event: type %d, time %d, number %d, value %d\n", js.type, js.time, js.number, js.value); } } /* * Reading in nonblocking mode. */ if (!strcmp("--nonblock", argv[1])) { struct js_event js; fcntl(fd, F_SETFL, O_NONBLOCK); while (1) { while (read(fd, &js, sizeof(struct js_event)) == sizeof(struct js_event)) { printf("Event: type %d, time %d, number %d, value %d\n", js.type, js.time, js.number, js.value); } if (errno != EAGAIN) { perror("\njstest: error reading"); exit (1); } usleep(10000); } } /* * Using select() on joystick fd. */ if (!strcmp("--select", argv[1])) { struct js_event js; struct timeval tv; fd_set set; tv.tv_sec = 1; tv.tv_usec = 0; while (1) { FD_ZERO(&set); FD_SET(fd, &set); if (select(fd+1, &set, NULL, NULL, &tv)) { if (read(fd, &js, sizeof(struct js_event)) != sizeof(struct js_event)) { perror("\njstest: error reading"); exit (1); } printf("Event: type %d, time %d, number %d, value %d\n", js.type, js.time, js.number, js.value); } } } printf("jstest: unknown mode: %s\n", argv[1]); return -1; }
The following PCI drivers support the joystick natively. Driver Module Option Available Values --------------------------------------------------------------------------- als4000 joystick_port 0 = disable (default), 1 = auto-detect, manual: any address (e.g. 0x200) au88x0 N/A N/A azf3328 joystick 0 = disable, 1 = enable, -1 = auto (default) ens1370 joystick 0 = disable (default), 1 = enable ens1371 joystick_port 0 = disable (default), 1 = auto-detect, manual: 0x200, 0x208, 0x210, 0x218 cmipci joystick_port 0 = disable (default), 1 = auto-detect, manual: any address (e.g. 0x200) cs4281 N/A N/A cs46xx N/A N/A es1938 N/A N/A es1968 joystick 0 = disable (default), 1 = enable intel8x0(*1)joystick 0 = disable (default), 1 = enable sonicvibes N/A N/A trident N/A N/A via82xx(*2) joystick 0 = disable (default), 1 = enable ymfpci joystick_port 0 = disable (default), 1 = auto-detect, manual: 0x201, 0x202, 0x204, 0x205(*3) --------------------------------------------------------------------------- *1) not all chips support joystick *2) VIA686A/B only *3) With YMF744/754 chips, the port address can be chosen arbitrarily
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