diff options
Diffstat (limited to 'input/joystick.c')
| -rw-r--r-- | input/joystick.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/input/joystick.c b/input/joystick.c deleted file mode 100644 index 673ae92184..0000000000 --- a/input/joystick.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer 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. - * - * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include "joystick.h" -#include "input.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> - -#include "mp_msg.h" -#include "keycodes.h" - -#ifndef JOY_AXIS_DELTA -#define JOY_AXIS_DELTA 500 -#endif - -#ifndef JS_DEV -#define JS_DEV "/dev/input/js0" -#endif - -#include <linux/joystick.h> - -int axis[256]; -int btns = 0; - -int mp_input_joystick_init(char* dev) { - int fd,l=0; - int initialized = 0; - struct js_event ev; - - mp_tmsg(MSGT_INPUT,MSGL_V,"Opening joystick device %s\n",dev ? dev : JS_DEV); - - fd = open( dev ? dev : JS_DEV , O_RDONLY | O_NONBLOCK ); - if(fd < 0) { - mp_tmsg(MSGT_INPUT,MSGL_ERR,"Can't open joystick device %s: %s\n",dev ? dev : JS_DEV,strerror(errno)); - return -1; - } - - while(! initialized) { - l = 0; - while((unsigned int)l < sizeof(struct js_event)) { - int r = read(fd,((char*)&ev)+l,sizeof(struct js_event)-l); - if(r < 0) { - if(errno == EINTR) - continue; - else if(errno == EAGAIN) { - initialized = 1; - break; - } - mp_tmsg(MSGT_INPUT,MSGL_ERR,"Error while reading joystick device: %s\n",strerror(errno)); - close(fd); - return -1; - } - l += r; - } - if((unsigned int)l < sizeof(struct js_event)) { - if(l > 0) - mp_tmsg(MSGT_INPUT,MSGL_WARN,"Joystick: We lose %d bytes of data\n",l); - break; - } - if(ev.type == JS_EVENT_BUTTON) - btns |= (ev.value << ev.number); - if(ev.type == JS_EVENT_AXIS) - axis[ev.number] = ev.value; - } - - return fd; -} - -int mp_input_joystick_read(void *ctx, int fd) { - struct js_event ev; - int l=0; - - while((unsigned int)l < sizeof(struct js_event)) { - int r = read(fd,&ev+l,sizeof(struct js_event)-l); - if(r <= 0) { - if(errno == EINTR) - continue; - else if(errno == EAGAIN) - return MP_INPUT_NOTHING; - if( r < 0) - mp_tmsg(MSGT_INPUT,MSGL_ERR,"Error while reading joystick device: %s\n",strerror(errno)); - else - mp_tmsg(MSGT_INPUT,MSGL_ERR,"Error while reading joystick device: %s\n","EOF"); - return MP_INPUT_DEAD; - } - l += r; - } - - if((unsigned int)l < sizeof(struct js_event)) { - if(l > 0) - mp_tmsg(MSGT_INPUT,MSGL_WARN,"Joystick: We lose %d bytes of data\n",l); - return MP_INPUT_NOTHING; - } - - if(ev.type & JS_EVENT_INIT) { - mp_tmsg(MSGT_INPUT,MSGL_WARN,"Joystick: warning init event, we have lost sync with driver.\n"); - ev.type &= ~JS_EVENT_INIT; - if(ev.type == JS_EVENT_BUTTON) { - int s = (btns >> ev.number) & 1; - if(s == ev.value) // State is the same : ignore - return MP_INPUT_NOTHING; - } - if(ev.type == JS_EVENT_AXIS) { - if( ( axis[ev.number] == 1 && ev.value > JOY_AXIS_DELTA) || - (axis[ev.number] == -1 && ev.value < -JOY_AXIS_DELTA) || - (axis[ev.number] == 0 && ev.value >= -JOY_AXIS_DELTA && ev.value <= JOY_AXIS_DELTA) - ) // State is the same : ignore - return MP_INPUT_NOTHING; - } - } - - if(ev.type & JS_EVENT_BUTTON) { - btns &= ~(1 << ev.number); - btns |= (ev.value << ev.number); - if(ev.value == 1) - return (JOY_BTN0 + ev.number) | MP_KEY_DOWN; - else - return JOY_BTN0 + ev.number; - } else if(ev.type & JS_EVENT_AXIS) { - if(ev.value < -JOY_AXIS_DELTA && axis[ev.number] != -1) { - axis[ev.number] = -1; - return (JOY_AXIS0_MINUS+(2*ev.number)) | MP_KEY_DOWN; - } else if(ev.value > JOY_AXIS_DELTA && axis[ev.number] != 1) { - axis[ev.number] = 1; - return (JOY_AXIS0_PLUS+(2*ev.number)) | MP_KEY_DOWN; - } else if(ev.value <= JOY_AXIS_DELTA && ev.value >= -JOY_AXIS_DELTA && axis[ev.number] != 0) { - int r = axis[ev.number] == 1 ? JOY_AXIS0_PLUS+(2*ev.number) : JOY_AXIS0_MINUS+(2*ev.number); - axis[ev.number] = 0; - return r; - } else - return MP_INPUT_NOTHING; - } else { - mp_tmsg(MSGT_INPUT,MSGL_WARN,"Joystick warning unknown event type %d\n",ev.type); - return MP_INPUT_ERROR; - } - - return MP_INPUT_NOTHING; -} |