uisimulator/sdl/uisdl.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Daniel Everton <dan@iocaine.org>
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <setjmp.h>
  23 #include "autoconf.h"
  24 #include "button.h"
  25 #include "system-sdl.h"
  26 #include "thread.h"
  27 #include "kernel.h"
  28 #include "uisdl.h"
  29 #include "lcd-sdl.h"
  30 #ifdef HAVE_LCD_BITMAP
  31 #include "lcd-bitmap.h"
  32 #elif defined(HAVE_LCD_CHARCELLS)
  33 #include "lcd-charcells.h"
  34 #endif
  35 #ifdef HAVE_REMOTE_LCD
  36 #include "lcd-remote-bitmap.h"
  37 #endif
  38 #include "thread-sdl.h"
  39 #include "SDL_mutex.h"
  40 #include "SDL_thread.h"
  41
  42 /* extern functions */
  43 extern void                 app_main (void *); /* mod entry point */
  44 extern void                 new_key(int key);
  45 extern void                 sim_tick_tasks(void);
  46 extern bool                 sim_io_init(void);
  47 extern void                 sim_io_shutdown(void);
  48
  49 void button_event(int key, bool pressed);
  50
  51 SDL_Surface *gui_surface;
  52 bool background = false;        /* Don't use backgrounds by default */
  53
  54 SDL_TimerID tick_timer_id;
  55
  56 bool lcd_display_redraw = true;         /* Used for player simulator */
  57 char having_new_lcd = true;               /* Used for player simulator */
  58 bool sim_alarm_wakeup = false;
  59
  60 bool debug_audio = false;
  61
  62 bool debug_wps = false;
  63 int wps_verbose_level = 3;
  64
  65 long start_tick;
  66
  67 Uint32 tick_timer(Uint32 interval, void *param)
  68 {
  69     long new_tick;
  70
  71     (void) interval;
  72     (void) param;
  73
  74     new_tick = (SDL_GetTicks() - start_tick) / (1000/HZ);
  75
  76     if (new_tick != current_tick) {
  77         long i;
  78         for (i = new_tick - current_tick; i > 0; i--)
  79         {
  80             sim_enter_irq_handler();
  81             sim_tick_tasks();
  82             sim_exit_irq_handler();
  83         }
  84         current_tick = new_tick;
  85     }
  86
  87     return 1;
  88 }
  89
  90 void gui_message_loop(void)
  91 {
  92     SDL_Event event;
  93     bool done = false;
  94
  95     while(!done && SDL_WaitEvent(&event))
  96     {
  97         switch(event.type)
  98         {
  99             case SDL_KEYDOWN:
 100                 sim_enter_irq_handler();
 101                 button_event(event.key.keysym.sym, true);
 102                 sim_exit_irq_handler();
 103                 break;
 104             case SDL_KEYUP:
 105                 sim_enter_irq_handler();
 106                 button_event(event.key.keysym.sym, false);
 107                 sim_exit_irq_handler();
 108                 break;
 109             case SDL_QUIT:
 110                 done = true;
 111                 break;
 112             default:
 113                 /*printf("Unhandled event\n"); */
 114                 break;
 115         }
 116     }
 117 }
 118
 119 bool gui_startup(void)
 120 {
 121     SDL_Surface *picture_surface;
 122     int width, height;
 123
 124     if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO|SDL_INIT_TIMER)) {
 125         fprintf(stderr, "fatal: %s\n", SDL_GetError());
 126         return false;
 127     }
 128
 129     atexit(SDL_Quit);
 130
 131     /* Try and load the background image. If it fails go without */
 132     if (background) {
 133         picture_surface = SDL_LoadBMP("UI256.bmp");
 134         if (picture_surface == NULL) {
 135             background = false;
 136             fprintf(stderr, "warn: %s\n", SDL_GetError());
 137         }
 138     }
 139
 140     /* Set things up */
 141
 142     if (background) {
 143         width = UI_WIDTH;
 144         height = UI_HEIGHT;
 145     } else {
 146 #ifdef HAVE_REMOTE_LCD
 147         width = UI_LCD_WIDTH > UI_REMOTE_WIDTH ? UI_LCD_WIDTH : UI_REMOTE_WIDTH;
 148         height = UI_LCD_HEIGHT + UI_REMOTE_HEIGHT;
 149 #else
 150         width = UI_LCD_WIDTH;
 151         height = UI_LCD_HEIGHT;
 152 #endif
 153     }
 154
 155
 156     if ((gui_surface = SDL_SetVideoMode(width * display_zoom, height * display_zoom, 24, SDL_HWSURFACE|SDL_DOUBLEBUF)) == NULL) {
 157         fprintf(stderr, "fatal: %s\n", SDL_GetError());
 158         return false;
 159     }
 160
 161     SDL_WM_SetCaption(UI_TITLE, NULL);
 162
 163     sim_lcd_init();
 164 #ifdef HAVE_REMOTE_LCD
 165     sim_lcd_remote_init();
 166 #endif
 167
 168     SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 169
 170     if (background && picture_surface != NULL) {
 171         SDL_BlitSurface(picture_surface, NULL, gui_surface, NULL);
 172         SDL_UpdateRect(gui_surface, 0, 0, 0, 0);
 173     }
 174
 175     start_tick = SDL_GetTicks();
 176
 177     return true;
 178 }
 179
 180 bool gui_shutdown(void)
 181 {
 182     /* Order here is relevent to prevent deadlocks and use of destroyed
 183        sync primitives by kernel threads */
 184     thread_sdl_shutdown();
 185     SDL_RemoveTimer(tick_timer_id);
 186     sim_io_shutdown();
 187     sim_kernel_shutdown();
 188     return true;
 189 }
 190
 191 #if defined(WIN32) && defined(main)
 192 /* Don't use SDL_main on windows -> no more stdio redirection */
 193 #undef main
 194 #endif
 195
 196 int main(int argc, char *argv[])
 197 {
 198     if (argc >= 1) {
 199         int x;
 200         for (x = 1; x < argc; x++) {
 201             if (!strcmp("--debugaudio", argv[x])) {
 202                 debug_audio = true;
 203                 printf("Writing debug audio file.\n");
 204             } else if (!strcmp("--debugwps", argv[x])) {
 205                 debug_wps = true;
 206                 printf("WPS debug mode enabled.\n");
 207             } else if (!strcmp("--background", argv[x])) {
 208                 background = true;
 209                 printf("Using background image.\n");
 210             } else if (!strcmp("--old_lcd", argv[x])) {
 211                 having_new_lcd = false;
 212                 printf("Using old LCD layout.\n");
 213             } else if (!strcmp("--zoom", argv[x])) {
 214                 x++;
 215                 if(x < argc)
 216                     display_zoom=atoi(argv[x]);
 217                 else
 218                     display_zoom = 2;
 219                 printf("Window zoom is %d\n", display_zoom);
 220             } else if (!strcmp("--alarm", argv[x])) {
 221                 sim_alarm_wakeup = true;
 222                 printf("Simulating alarm wakeup.\n");
 223             } else {
 224                 printf("rockboxui\n");
 225                 printf("Arguments:\n");
 226                 printf("  --debugaudio \t Write raw PCM data to audiodebug.raw\n");
 227                 printf("  --debugwps \t Print advanced WPS debug info\n");
 228                 printf("  --background \t Use background image of hardware\n");
 229                 printf("  --old_lcd \t [Player] simulate old playermodel (ROM version<4.51)\n");
 230                 printf("  --zoom [VAL]\t window zoom (will disable backgrounds)\n");
 231                 printf("  --alarm \t Simulate a wakup-up on Alarm\n");
 232                 exit(0);
 233             }
 234         }
 235     }
 236
 237     if (display_zoom > 1) {
 238         background = false;
 239     }
 240
 241     if (!sim_kernel_init()) {
 242         fprintf(stderr, "sim_kernel_init failed\n");
 243         return -1;
 244     }
 245
 246     if (!sim_io_init()) {
 247         fprintf(stderr, "sim_io_init failed\n");
 248         return -1;
 249     }
 250
 251     if (!gui_startup()) {
 252         fprintf(stderr, "gui_startup failed\n");
 253         return -1;
 254     }
 255
 256     /* app_main will be called by the new main thread */
 257     if (!thread_sdl_init(NULL)) {
 258         fprintf(stderr, "thread_sdl_init failed\n");
 259         return -1;
 260     }
 261
 262     tick_timer_id = SDL_AddTimer(10, tick_timer, NULL);
 263
 264     gui_message_loop();
 265
 266     return gui_shutdown();
 267 }
 268