git.sur5r.net Git - freertos/blob - Demo/AVR_ATMega323_WinAVR/regtest.c

   1 /*\r
   2         FreeRTOS.org V4.8.0 - 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
  29         * SAVE TIME AND MONEY!  Why not get us to quote to get FreeRTOS.org               *\r
  30         * running on your hardware - or even write all or part of your application*\r
  31         * for you?  See http://www.OpenRTOS.com for details.                                      *\r
  32         *                                                                                                                                                 *\r
  33         ***************************************************************************\r
  34         ***************************************************************************\r
  35 \r
  36         Please ensure to read the configuration and relevant port sections of the\r
  37         online documentation.\r
  38 \r
  39         http://www.FreeRTOS.org - Documentation, latest information, license and \r
  40         contact details.\r
  41 \r
  42         http://www.SafeRTOS.com - A version that is certified for use in safety \r
  43         critical systems.\r
  44 \r
  45         http://www.OpenRTOS.com - Commercial support, development, porting, \r
  46         licensing and training services.\r
  47 */\r
  48 \r
  49 /* Scheduler include files. */\r
  50 #include "FreeRTOS.h"\r
  51 #include "task.h"\r
  52 \r
  53 /* Demo file headers. */\r
  54 #include "regtest.h"\r
  55 \r
  56 /*\r
  57  * Test tasks that sets registers to known values, then checks to ensure the\r
  58  * values remain as expected.  Test 1 and test 2 use different values.\r
  59  */\r
  60 static void prvRegisterCheck1( void *pvParameters );\r
  61 static void prvRegisterCheck2( void *pvParameters );\r
  62 \r
  63 /* Set to a non zero value should an error be found. */\r
  64 portBASE_TYPE xRegTestError = pdFALSE;\r
  65 \r
  66 /*-----------------------------------------------------------*/\r
  67 \r
  68 void vStartRegTestTasks( void )\r
  69 {\r
  70         xTaskCreate( prvRegisterCheck1, "Reg1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );\r
  71         xTaskCreate( prvRegisterCheck2, "Reg2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, NULL );               \r
  72 }\r
  73 /*-----------------------------------------------------------*/\r
  74 \r
  75 portBASE_TYPE xAreRegTestTasksStillRunning( void )\r
  76 {\r
  77 portBASE_TYPE xReturn;\r
  78 \r
  79         /* If a register was found to contain an unexpected value then the\r
  80         xRegTestError variable would have been set to a non zero value. */\r
  81         if( xRegTestError == pdFALSE )\r
  82         {\r
  83                 xReturn = pdTRUE;\r
  84         }\r
  85         else\r
  86         {\r
  87                 xReturn = pdFALSE;\r
  88         }\r
  89         \r
  90         return xReturn;\r
  91 }\r
  92 /*-----------------------------------------------------------*/\r
  93 \r
  94 static void prvRegisterCheck1( void *pvParameters )\r
  95 {\r
  96         ( void ) pvParameters;\r
  97 \r
  98         for( ;; )\r
  99         {\r
 100                 asm(    "LDI    r31,    5"              );              \r
 101                 asm(    "MOV    r0,             r31"    );\r
 102                 asm(    "LDI    r31,    6"              );\r
 103                 asm(    "MOV    r1,             r31"    );\r
 104                 asm(    "LDI    r31,    7"              );\r
 105                 asm(    "MOV    r2,             r31"    );\r
 106                 asm(    "LDI    r31,    8"              );\r
 107                 asm(    "MOV    r3,             r31"    );\r
 108                 asm(    "LDI    r31,    9"              );\r
 109                 asm(    "MOV    r4,             r31"    );\r
 110                 asm(    "LDI    r31,    10"             );\r
 111                 asm(    "MOV    r5,             r31"    );\r
 112                 asm(    "LDI    r31,    11"             );\r
 113                 asm(    "MOV    r6,             r31"    );\r
 114                 asm(    "LDI    r31,    12"             );\r
 115                 asm(    "MOV    r7,             r31"    );\r
 116                 asm(    "LDI    r31,    13"             );\r
 117                 asm(    "MOV    r8,             r31"    );\r
 118                 asm(    "LDI    r31,    14"             );\r
 119                 asm(    "MOV    r9,             r31"    );\r
 120                 asm(    "LDI    r31,    15"             );\r
 121                 asm(    "MOV    r10,    r31"    );\r
 122                 asm(    "LDI    r31,    16"             );\r
 123                 asm(    "MOV    r11,    r31"    );\r
 124                 asm(    "LDI    r31,    17"             );\r
 125                 asm(    "MOV    r12,    r31"    );\r
 126                 asm(    "LDI    r31,    18"             );\r
 127                 asm(    "MOV    r13,    r31"    );\r
 128                 asm(    "LDI    r31,    19"             );\r
 129                 asm(    "MOV    r14,    r31"    );\r
 130                 asm(    "LDI    r31,    20"             );\r
 131                 asm(    "MOV    r15,    r31"    );\r
 132                 asm(    "LDI    r16,    21"             );\r
 133                 asm(    "LDI    r17,    22"             );\r
 134                 asm(    "LDI    r18,    23"             );\r
 135                 asm(    "LDI    r19,    24"             );\r
 136                 asm(    "LDI    r20,    25"             );\r
 137                 asm(    "LDI    r21,    26"             );\r
 138                 asm(    "LDI    r22,    27"             );\r
 139                 asm(    "LDI    r23,    28"             );\r
 140                 asm(    "LDI    r24,    29"             );\r
 141                 asm(    "LDI    r25,    30"             );\r
 142                 asm(    "LDI    r26,    31"             );\r
 143                 asm(    "LDI    r27,    32"             );\r
 144                 asm(    "LDI    r30,    33"             );\r
 145 \r
 146                 asm(    "LDI    r31,    5"                      );\r
 147                 asm(    "CPSE   r31,    r0"                     );\r
 148                 asm(    "STS    xRegTestError, r0"      );\r
 149                 asm(    "LDI    r31,    6"                      );\r
 150                 asm(    "CPSE   r31,    r1"                     );\r
 151                 asm(    "STS    xRegTestError, r0"      );\r
 152                 asm(    "LDI    r31,    7"                      );\r
 153                 asm(    "CPSE   r31,    r2"                     );\r
 154                 asm(    "STS    xRegTestError, r0"      );\r
 155                 asm(    "LDI    r31,    8"                      );\r
 156                 asm(    "CPSE   r31,    r3"                     );\r
 157                 asm(    "STS    xRegTestError, r0"      );\r
 158                 asm(    "LDI    r31,    9"                      );\r
 159                 asm(    "CPSE   r31,    r4"                     );\r
 160                 asm(    "STS    xRegTestError, r0"      );\r
 161                 asm(    "LDI    r31,    10"                     );\r
 162                 asm(    "CPSE   r31,    r5"                     );\r
 163                 asm(    "STS    xRegTestError, r0"      );\r
 164                 asm(    "LDI    r31,    11"                     );\r
 165                 asm(    "CPSE   r31,    r6"                     );\r
 166                 asm(    "STS    xRegTestError, r0"      );\r
 167                 asm(    "LDI    r31,    12"                     );\r
 168                 asm(    "CPSE   r31,    r7"                     );\r
 169                 asm(    "STS    xRegTestError, r0"      );\r
 170                 asm(    "LDI    r31,    13"                     );\r
 171                 asm(    "CPSE   r31,    r8"                     );\r
 172                 asm(    "STS    xRegTestError, r0"      );\r
 173                 asm(    "LDI    r31,    14"                     );\r
 174                 asm(    "CPSE   r31,    r9"                     );\r
 175                 asm(    "STS    xRegTestError, r0"      );\r
 176                 asm(    "LDI    r31,    15"                     );\r
 177                 asm(    "CPSE   r31,    r10"            );\r
 178                 asm(    "STS    xRegTestError, r0"      );\r
 179                 asm(    "LDI    r31,    16"                     );\r
 180                 asm(    "CPSE   r31,    r11"            );\r
 181                 asm(    "STS    xRegTestError, r0"      );\r
 182                 asm(    "LDI    r31,    17"                     );\r
 183                 asm(    "CPSE   r31,    r12"            );\r
 184                 asm(    "STS    xRegTestError, r0"      );\r
 185                 asm(    "LDI    r31,    18"                     );\r
 186                 asm(    "CPSE   r31,    r13"            );\r
 187                 asm(    "STS    xRegTestError, r0"      );\r
 188                 asm(    "LDI    r31,    19"                     );\r
 189                 asm(    "CPSE   r31,    r14"            );\r
 190                 asm(    "STS    xRegTestError, r0"      );\r
 191                 asm(    "LDI    r31,    20"                     );\r
 192                 asm(    "CPSE   r31,    r15"            );\r
 193                 asm(    "STS    xRegTestError, r0"      );\r
 194                 asm(    "LDI    r31,    21"                     );\r
 195                 asm(    "CPSE   r31,    r16"            );\r
 196                 asm(    "STS    xRegTestError, r0"      );\r
 197                 asm(    "LDI    r31,    22"                     );\r
 198                 asm(    "CPSE   r31,    r17"            );\r
 199                 asm(    "STS    xRegTestError, r0"      );\r
 200                 asm(    "LDI    r31,    23"                     );\r
 201                 asm(    "CPSE   r31,    r18"            );\r
 202                 asm(    "STS    xRegTestError, r0"      );\r
 203                 asm(    "LDI    r31,    24"                     );\r
 204                 asm(    "CPSE   r31,    r19"            );\r
 205                 asm(    "STS    xRegTestError, r0"      );\r
 206                 asm(    "LDI    r31,    25"                     );\r
 207                 asm(    "CPSE   r31,    r20"            );\r
 208                 asm(    "STS    xRegTestError, r0"      );\r
 209                 asm(    "LDI    r31,    26"                     );\r
 210                 asm(    "CPSE   r31,    r21"            );\r
 211                 asm(    "STS    xRegTestError, r0"      );\r
 212                 asm(    "LDI    r31,    27"                     );\r
 213                 asm(    "CPSE   r31,    r22"            );\r
 214                 asm(    "STS    xRegTestError, r0"      );\r
 215                 asm(    "LDI    r31,    28"                     );\r
 216                 asm(    "CPSE   r31,    r23"            );\r
 217                 asm(    "STS    xRegTestError, r0"      );\r
 218                 asm(    "LDI    r31,    29"                     );\r
 219                 asm(    "CPSE   r31,    r24"            );\r
 220                 asm(    "STS    xRegTestError, r0"      );\r
 221                 asm(    "LDI    r31,    30"                     );\r
 222                 asm(    "CPSE   r31,    r25"            );\r
 223                 asm(    "STS    xRegTestError, r0"      );\r
 224                 asm(    "LDI    r31,    31"                     );\r
 225                 asm(    "CPSE   r31,    r26"            );\r
 226                 asm(    "STS    xRegTestError, r0"      );\r
 227                 asm(    "LDI    r31,    32"                     );\r
 228                 asm(    "CPSE   r31,    r27"            );\r
 229                 asm(    "STS    xRegTestError, r0"      );\r
 230                 asm(    "LDI    r31,    33"                     );\r
 231                 asm(    "CPSE   r31,    r30"            );\r
 232                 asm(    "STS    xRegTestError, r0"      );\r
 233         }\r
 234 }\r
 235 /*-----------------------------------------------------------*/\r
 236 \r
 237 static void prvRegisterCheck2( void *pvParameters )\r
 238 {\r
 239         ( void ) pvParameters;\r
 240 \r
 241         for( ;; )\r
 242         {\r
 243                 asm(    "LDI    r31,    1"              );              \r
 244                 asm(    "MOV    r0,             r31"    );\r
 245                 asm(    "LDI    r31,    2"              );\r
 246                 asm(    "MOV    r1,             r31"    );\r
 247                 asm(    "LDI    r31,    3"              );\r
 248                 asm(    "MOV    r2,             r31"    );\r
 249                 asm(    "LDI    r31,    4"              );\r
 250                 asm(    "MOV    r3,             r31"    );\r
 251                 asm(    "LDI    r31,    5"              );\r
 252                 asm(    "MOV    r4,             r31"    );\r
 253                 asm(    "LDI    r31,    6"              );\r
 254                 asm(    "MOV    r5,             r31"    );\r
 255                 asm(    "LDI    r31,    7"              );\r
 256                 asm(    "MOV    r6,             r31"    );\r
 257                 asm(    "LDI    r31,    8"              );\r
 258                 asm(    "MOV    r7,             r31"    );\r
 259                 asm(    "LDI    r31,    9"              );\r
 260                 asm(    "MOV    r8,             r31"    );\r
 261                 asm(    "LDI    r31,    10"             );\r
 262                 asm(    "MOV    r9,             r31"    );\r
 263                 asm(    "LDI    r31,    11"             );\r
 264                 asm(    "MOV    r10,    r31"    );\r
 265                 asm(    "LDI    r31,    12"             );\r
 266                 asm(    "MOV    r11,    r31"    );\r
 267                 asm(    "LDI    r31,    13"             );\r
 268                 asm(    "MOV    r12,    r31"    );\r
 269                 asm(    "LDI    r31,    14"             );\r
 270                 asm(    "MOV    r13,    r31"    );\r
 271                 asm(    "LDI    r31,    15"             );\r
 272                 asm(    "MOV    r14,    r31"    );\r
 273                 asm(    "LDI    r31,    16"             );\r
 274                 asm(    "MOV    r15,    r31"    );\r
 275                 asm(    "LDI    r16,    17"             );\r
 276                 asm(    "LDI    r17,    18"             );\r
 277                 asm(    "LDI    r18,    19"             );\r
 278                 asm(    "LDI    r19,    20"             );\r
 279                 asm(    "LDI    r20,    21"             );\r
 280                 asm(    "LDI    r21,    22"             );\r
 281                 asm(    "LDI    r22,    23"             );\r
 282                 asm(    "LDI    r23,    24"             );\r
 283                 asm(    "LDI    r24,    25"             );\r
 284                 asm(    "LDI    r25,    26"             );\r
 285                 asm(    "LDI    r26,    27"             );\r
 286                 asm(    "LDI    r27,    28"             );\r
 287                 asm(    "LDI    r30,    29"             );\r
 288 \r
 289                 asm(    "LDI    r31,    1"                      );\r
 290                 asm(    "CPSE   r31,    r0"                     );\r
 291                 asm(    "STS    xRegTestError, r0"      );\r
 292                 asm(    "LDI    r31,    2"                      );\r
 293                 asm(    "CPSE   r31,    r1"                     );\r
 294                 asm(    "STS    xRegTestError, r0"      );\r
 295                 asm(    "LDI    r31,    3"                      );\r
 296                 asm(    "CPSE   r31,    r2"                     );\r
 297                 asm(    "STS    xRegTestError, r0"      );\r
 298                 asm(    "LDI    r31,    4"                      );\r
 299                 asm(    "CPSE   r31,    r3"                     );\r
 300                 asm(    "STS    xRegTestError, r0"      );\r
 301                 asm(    "LDI    r31,    5"                      );\r
 302                 asm(    "CPSE   r31,    r4"                     );\r
 303                 asm(    "STS    xRegTestError, r0"      );\r
 304                 asm(    "LDI    r31,    6"                      );\r
 305                 asm(    "CPSE   r31,    r5"                     );\r
 306                 asm(    "STS    xRegTestError, r0"      );\r
 307                 asm(    "LDI    r31,    7"                      );\r
 308                 asm(    "CPSE   r31,    r6"                     );\r
 309                 asm(    "STS    xRegTestError, r0"      );\r
 310                 asm(    "LDI    r31,    8"                      );\r
 311                 asm(    "CPSE   r31,    r7"                     );\r
 312                 asm(    "STS    xRegTestError, r0"      );\r
 313                 asm(    "LDI    r31,    9"                      );\r
 314                 asm(    "CPSE   r31,    r8"                     );\r
 315                 asm(    "STS    xRegTestError, r0"      );\r
 316                 asm(    "LDI    r31,    10"                     );\r
 317                 asm(    "CPSE   r31,    r9"                     );\r
 318                 asm(    "STS    xRegTestError, r0"      );\r
 319                 asm(    "LDI    r31,    11"                     );\r
 320                 asm(    "CPSE   r31,    r10"            );\r
 321                 asm(    "STS    xRegTestError, r0"      );\r
 322                 asm(    "LDI    r31,    12"                     );\r
 323                 asm(    "CPSE   r31,    r11"            );\r
 324                 asm(    "STS    xRegTestError, r0"      );\r
 325                 asm(    "LDI    r31,    13"                     );\r
 326                 asm(    "CPSE   r31,    r12"            );\r
 327                 asm(    "STS    xRegTestError, r0"      );\r
 328                 asm(    "LDI    r31,    14"                     );\r
 329                 asm(    "CPSE   r31,    r13"            );\r
 330                 asm(    "STS    xRegTestError, r0"      );\r
 331                 asm(    "LDI    r31,    15"                     );\r
 332                 asm(    "CPSE   r31,    r14"            );\r
 333                 asm(    "STS    xRegTestError, r0"      );\r
 334                 asm(    "LDI    r31,    16"                     );\r
 335                 asm(    "CPSE   r31,    r15"            );\r
 336                 asm(    "STS    xRegTestError, r0"      );\r
 337                 asm(    "LDI    r31,    17"                     );\r
 338                 asm(    "CPSE   r31,    r16"            );\r
 339                 asm(    "STS    xRegTestError, r0"      );\r
 340                 asm(    "LDI    r31,    18"                     );\r
 341                 asm(    "CPSE   r31,    r17"            );\r
 342                 asm(    "STS    xRegTestError, r0"      );\r
 343                 asm(    "LDI    r31,    19"                     );\r
 344                 asm(    "CPSE   r31,    r18"            );\r
 345                 asm(    "STS    xRegTestError, r0"      );\r
 346                 asm(    "LDI    r31,    20"                     );\r
 347                 asm(    "CPSE   r31,    r19"            );\r
 348                 asm(    "STS    xRegTestError, r0"      );\r
 349                 asm(    "LDI    r31,    21"                     );\r
 350                 asm(    "CPSE   r31,    r20"            );\r
 351                 asm(    "STS    xRegTestError, r0"      );\r
 352                 asm(    "LDI    r31,    22"                     );\r
 353                 asm(    "CPSE   r31,    r21"            );\r
 354                 asm(    "STS    xRegTestError, r0"      );\r
 355                 asm(    "LDI    r31,    23"                     );\r
 356                 asm(    "CPSE   r31,    r22"            );\r
 357                 asm(    "STS    xRegTestError, r0"      );\r
 358                 asm(    "LDI    r31,    24"                     );\r
 359                 asm(    "CPSE   r31,    r23"            );\r
 360                 asm(    "STS    xRegTestError, r0"      );\r
 361                 asm(    "LDI    r31,    25"                     );\r
 362                 asm(    "CPSE   r31,    r24"            );\r
 363                 asm(    "STS    xRegTestError, r0"      );\r
 364                 asm(    "LDI    r31,    26"                     );\r
 365                 asm(    "CPSE   r31,    r25"            );\r
 366                 asm(    "STS    xRegTestError, r0"      );\r
 367                 asm(    "LDI    r31,    27"                     );\r
 368                 asm(    "CPSE   r31,    r26"            );\r
 369                 asm(    "STS    xRegTestError, r0"      );\r
 370                 asm(    "LDI    r31,    28"                     );\r
 371                 asm(    "CPSE   r31,    r27"            );\r
 372                 asm(    "STS    xRegTestError, r0"      );\r
 373                 asm(    "LDI    r31,    29"                     );\r
 374                 asm(    "CPSE   r31,    r30"            );\r
 375                 asm(    "STS    xRegTestError, r0"      );\r
 376         }\r
 377 }\r
 378 \r