git.sur5r.net Git - freertos/blob - Demo/MB96350_Softune_Dice_Kit/DiceTask.c

   1 /*\r
   2         FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.\r
   3 \r
   4         This file is part of the FreeRTOS.org distribution.\r
   5 \r
   6         FreeRTOS.org is free software; you can redistribute it and/or modify\r
   7         it under the terms of the GNU General Public License as published by\r
   8         the Free Software Foundation; either version 2 of the License, or\r
   9         (at your option) any later version.\r
  10 \r
  11         FreeRTOS.org is distributed in the hope that it will be useful,\r
  12         but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14         GNU General Public License for more details.\r
  15 \r
  16         You should have received a copy of the GNU General Public License\r
  17         along with FreeRTOS.org; if not, write to the Free Software\r
  18         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
  19 \r
  20         A special exception to the GPL can be applied should you wish to distribute\r
  21         a combined work that includes FreeRTOS.org, without being obliged to provide\r
  22         the source code for any proprietary components.  See the licensing section \r
  23         of http://www.FreeRTOS.org for full details of how and when the exception\r
  24         can be applied.\r
  25 \r
  26     ***************************************************************************\r
  27     ***************************************************************************\r
  28     *                                                                         *\r
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  32     * expedite your project.                                                  *\r
  33     *                                                                         *\r
  34     ***************************************************************************\r
  35     ***************************************************************************\r
  36 \r
  37         Please ensure to read the configuration and relevant port sections of the\r
  38         online documentation.\r
  39 \r
  40         http://www.FreeRTOS.org - Documentation, latest information, license and \r
  41         contact details.\r
  42 \r
  43         http://www.SafeRTOS.com - A version that is certified for use in safety \r
  44         critical systems.\r
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  46         http://www.OpenRTOS.com - Commercial support, development, porting, \r
  47         licensing and training services.\r
  48 */\r
  49 \r
  50 #include "FreeRTOS.h"\r
  51 #include "task.h"\r
  52 \r
  53 #define diceMIN    1\r
  54 #define diceMAX    6\r
  55 #define diceRUN_MIN  600000L\r
  56 #define diceRUN_MAX 1200000L\r
  57 \r
  58 #define diceSTATE_STOPPED               0\r
  59 #define diceSTATE_STARTUP               1\r
  60 #define diceSTATE_RUNNING               2\r
  61 \r
  62 static unsigned char prvButtonHit( unsigned char ucIndex );\r
  63 \r
  64 static const char cDisplaySegments[ 2 ][ 11 ] =\r
  65 {\r
  66         { 0x48, 0xeb, 0x8c, 0x89, 0x2b, 0x19, 0x18, 0xcb, 0x08, 0x09, 0xf7 },\r
  67         { 0xa0, 0xf3, 0xc4, 0xc1, 0x93, 0x89, 0x88, 0xe3, 0x80, 0x81, 0x7f }\r
  68 };\r
  69 \r
  70 /*-----------------------------------------------------------*/\r
  71 \r
  72 void vDiceTask( void *pvParameters )\r
  73 {\r
  74 char cDiceState = diceSTATE_STOPPED;\r
  75 unsigned char ucDiceValue, ucIndex;\r
  76 unsigned long ulDice1RunTime, ulDiceDelay, ulDiceDelayReload;\r
  77 \r
  78         ucIndex = ( unsigned char ) pvParameters;\r
  79 \r
  80         for( ;; )\r
  81         {\r
  82                 switch( cDiceState )\r
  83                 {\r
  84                         case diceSTATE_STOPPED:\r
  85 \r
  86                                 if( prvButtonHit( ucIndex ) == pdTRUE )\r
  87                                 {\r
  88                                         ulDice1RunTime = diceRUN_MIN;\r
  89                                         srand( ( unsigned char ) ulDice1RunTime );\r
  90                                         cDiceState = diceSTATE_STARTUP;\r
  91                                 }\r
  92                                 break;\r
  93 \r
  94                         case diceSTATE_STARTUP:\r
  95 \r
  96                                 if( ulDice1RunTime < diceRUN_MAX )     // variable running time\r
  97                                 {\r
  98                                         ulDice1RunTime++;\r
  99                                 }\r
 100                                 else\r
 101                                 {\r
 102                                         ulDice1RunTime = diceRUN_MIN;\r
 103                                 }\r
 104 \r
 105                                 if( PDR00_P0 == 0 )              // Key SW2:INT8 released\r
 106                                 {\r
 107                                         ulDiceDelay    = 1;\r
 108                                         ulDiceDelayReload = 1;\r
 109                                         cDiceState = diceSTATE_RUNNING;\r
 110                                 }          \r
 111                                 break;\r
 112 \r
 113                         case diceSTATE_RUNNING:\r
 114 \r
 115                                 ulDice1RunTime--;\r
 116                                 ulDiceDelay--;\r
 117 \r
 118                                 if( !ulDiceDelay )\r
 119                                 {\r
 120                                         ucDiceValue = rand() % 6 + 1;\r
 121                                         PDR03 = ( PDR03 | 0xf7 ) & cDisplaySegments[ ucIndex ][ ucDiceValue ];\r
 122                                         ulDiceDelayReload = ulDiceDelayReload + 100;\r
 123                                         ulDiceDelay = ulDiceDelayReload;\r
 124                                 }\r
 125 \r
 126                                 if( ulDice1RunTime == 0 )         // dice stopped\r
 127                                 {\r
 128                                         PDR03 = ( PDR03 | 0xf7 ) & cDisplaySegments[ ucIndex ][ rand() % 6 + 1 ];\r
 129                                         cDiceState = diceSTATE_STOPPED;\r
 130                                 }\r
 131                                 break;\r
 132                 }\r
 133         }\r
 134 }\r
 135 /*-----------------------------------------------------------*/\r
 136 \r
 137 static unsigned char prvButtonHit( unsigned char ucIndex )\r
 138 {\r
 139         if( ( ucIndex == 0 ) && PDR00_P0 )\r
 140         {\r
 141                 return pdTRUE;\r
 142         }\r
 143         else if( ( ucIndex == 1 ) && PDR00_P1 )\r
 144         {\r
 145                 return pdTRUE;\r
 146         }\r
 147         else\r
 148         {\r
 149                 return pdFALSE;\r
 150         }\r
 151 }\r
 152 /*-----------------------------------------------------------*/\r
 153 \r
 154 \r
 155 #if 0\r
 156       \r
 157     // DICE 2\r
 158       \r
 159     switch (dice2state)\r
 160     {\r
 161       case 0x00: // dice2 stopped\r
 162                  if( PDR00_P1 == 1)              // Key SW3:INT9 pressed\r
 163                  {\r
 164                    dice2run = diceRUN_MIN;\r
 165                    srand((unsigned char)ulDice1RunTime);\r
 166                    dice2state = 0x01;\r
 167                  }\r
 168 \r
 169                  break;\r
 170                 \r
 171       case 0x01: // dice2 startup\r
 172                  if( dice2run < diceRUN_MAX)     // variable running time\r
 173                    dice2run++;\r
 174                  else\r
 175                    dice2run = diceRUN_MIN;\r
 176             \r
 177                  if( dice2 == diceMAX)          // simple 'random' number\r
 178                    dice2 = diceMIN;\r
 179                  else dice2++;\r
 180 \r
 181                  if( PDR00_P1 == 0)              // Key SW3:INT9 released\r
 182                  {\r
 183                    dice2delay    = 1;\r
 184                    dice2delayrld = 1;\r
 185                    dice2state = 0x02;\r
 186                  }\r
 187                                   \r
 188                  break;\r
 189 \r
 190       case 0x02: // dice2 running\r
 191                  dice2run--;\r
 192                  dice2delay--;\r
 193 \r
 194                  if( !dice2delay)\r
 195                  {\r
 196                    do                       // get new random number\r
 197                    {\r
 198                     temp = rand() % 6 + 1;\r
 199                    }\r
 200                    while (temp == dice2);\r
 201                    dice2 = temp;\r
 202                    \r
 203                    PDR05 = DICE7SEG2[dice2];\r
 204                    dice2delayrld = dice2delayrld + 100;\r
 205                    dice2delay = dice2delayrld;\r
 206                  }\r
 207 \r
 208                  if( dice2run == 0)         // dice stopped\r
 209                  {\r
 210                    PDR05 = DICE7SEG2[rand() % 6 + 1];\r
 211                    dice2state = 0x00;\r
 212                  }\r
 213 \r
 214                  break;\r
 215 \r
 216     }//switch (dice2state)\r
 217     \r
 218   } // while(1)\r
 219 #endif\r
 220 \r