source/mupen64plus-core/src/main/lirc.c

   1 /***************************************************************************
   2     lirc.c  -  handle lirc input events to Mupen64Plus
   3                              -------------------
   4     begin                :  Friday 11 Jan 2008
   5     copyright            : (C) 2008 by DarkJezter
   6  ***************************************************************************/
   7
   8 /***************************************************************************
   9  *                                                                         *
  10  *   This program is free software; you can redistribute it and/or modify  *
  11  *   it under the terms of the GNU General Public License as published by  *
  12  *   the Free Software Foundation; either version 2 of the License, or     *
  13  *   (at your option) any later version.                                   *
  14  *                                                                         *
  15  ***************************************************************************/
  16
  17 // Functions for LIRC support
  18
  19 #ifdef WITH_LIRC
  20
  21 #include <stdlib.h>
  22 #include <sys/poll.h>
  23 #include <string.h>
  24 #include <ctype.h>
  25 #include <lirc/lirc_client.h>
  26
  27 #include "api/m64p_types.h"
  28 #include "api/callbacks.h"
  29 #include "plugin/plugin.h"
  30
  31 #include "lirc.h"
  32 #include "main.h"
  33 #include "savestates.h"
  34
  35 static struct lirc_config *g_config;
  36 static int g_lircfd = 0;
  37
  38 void lircStart(void)
  39 {
  40     if((g_lircfd = lirc_init("mupen64plus", 1)) != -1)
  41     {
  42         g_config = NULL;
  43         if(lirc_readconfig(NULL, &g_config, NULL) == 0)
  44             DebugMessage(M64MSG_INFO, "LIRC input system started successfully");
  45         else
  46             DebugMessage(M64MSG_WARNING, "LIRC disabled: Error reading lircrc!");
  47     }
  48     else
  49         DebugMessage(M64MSG_WARNING, "LIRC disabled: Error contacting daemon!");
  50 }
  51
  52 void lircStop(void)
  53 {
  54     if(g_lircfd!=-1)
  55     {
  56         if(g_config != NULL)
  57         {
  58             lirc_freeconfig(g_config);
  59             g_config = NULL;
  60         }
  61         lirc_deinit();
  62         DebugMessage(M64MSG_INFO, "LIRC system shut down");
  63     }
  64 }
  65
  66 void lircCheckInput(void)
  67 {
  68     struct pollfd lircpoll;
  69     lircpoll.fd = g_lircfd;
  70     lircpoll.events = POLLIN;
  71
  72     if(poll(&lircpoll, 1, 0) > 0)
  73     {
  74         char *code;
  75         char *c;
  76         int ret;
  77
  78         if(lirc_nextcode(&code) == 0 && code != NULL)
  79         {
  80             while((ret = lirc_code2char(g_config, code, &c)) == 0 && c!=NULL)
  81             {
  82                 char *c_ind = c;
  83                 while(*c_ind != '\0')
  84                 {
  85                     *c_ind = toupper(*c_ind);
  86                     c_ind++;
  87                 }
  88                 DebugMessage(M64MSG_VERBOSE, "LIRC Execing command \"%s\"", c);
  89
  90                 if(strcmp(c, "SAVE") == 0)
  91                     main_state_save(1, NULL); /* save in mupen64plus format using current slot */
  92                 else if(strcmp(c, "LOAD") == 0)
  93                     main_state_load(NULL); /* load using current slot */
  94                 else if(strcmp(c, "QUIT") == 0)
  95                     main_stop();
  96                 else if(strcmp(c, "FULLSCREEN") == 0)
  97                     gfx.changeWindow();
  98                 else if(strcmp(c, "MUTE") == 0)
  99                     main_volume_mute();
 100                 else if(strcmp(c, "VOL+") == 0)
 101                     main_volume_up();
 102                 else if(strcmp(c, "VOL-") == 0)
 103                     main_volume_down();
 104                 else if(strcmp(c, "SCREENSHOT") == 0)
 105                     main_take_next_screenshot();
 106                 else if(strcmp(c, "SPEED+") == 0)
 107                     main_speedup(5);
 108                 else if(strcmp(c, "SPEED-") == 0)
 109                     main_speeddown(5);
 110                 else if(strcmp(c, "ADVANCE") == 0)
 111                     main_advance_one();
 112                 else if(strcmp(c, "PAUSE") == 0)
 113                     main_toggle_pause();
 114                 else
 115                 {
 116                     int val = ((int)c[0])-((int) '0');
 117                     if (val >= 0 && val <= 9)
 118                         savestates_select_slot( val );
 119                 }
 120             }
 121             free(code);
 122         }
 123     }
 124 }
 125
 126 #endif //WITH_LIRC
 127