git.sur5r.net Git - freertos/blob - Demo/ARM9_STR91X_IAR/ParTest/ParTest.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 distribution.\r
   5 \r
   6         FreeRTOS 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 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; 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, 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 /* Library includes. */\r
  50 #include  "91x_lib.h"\r
  51 \r
  52 /* Scheduler includes. */\r
  53 #include "FreeRTOS.h"\r
  54 \r
  55 /* Demo application includes. */\r
  56 #include "partest.h"\r
  57 \r
  58 #define partstMAX_LEDs          4\r
  59 #define partstLED_PORT          *( ( unsigned portSHORT * ) 0x5800f3fc )\r
  60 \r
  61 /*-----------------------------------------------------------*/\r
  62 \r
  63 static GPIO_InitTypeDef GPIO9_InitStruct;\r
  64 \r
  65 void vParTestInitialise( void )\r
  66 {       \r
  67         /* Configure the bits used to flash LED's on port 9 as output. */\r
  68         GPIO_StructInit( &GPIO9_InitStruct );\r
  69         GPIO9_InitStruct.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;\r
  70         GPIO9_InitStruct.GPIO_Direction = GPIO_PinOutput;\r
  71         GPIO_Init( GPIO9, &GPIO9_InitStruct );\r
  72 }\r
  73 /*-----------------------------------------------------------*/\r
  74 \r
  75 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  76 {\r
  77 unsigned portSHORT usLED = 0x0001;\r
  78 \r
  79         if( uxLED < partstMAX_LEDs )\r
  80         {\r
  81                 usLED <<= uxLED;\r
  82 \r
  83                 portENTER_CRITICAL();\r
  84                 {\r
  85                         if( xValue )\r
  86                         {\r
  87                                 partstLED_PORT &= ~usLED;\r
  88                         }\r
  89                         else\r
  90                         {\r
  91                                 partstLED_PORT |= usLED;                                \r
  92                         }               \r
  93                 }\r
  94                 portEXIT_CRITICAL();\r
  95         }\r
  96 }\r
  97 /*-----------------------------------------------------------*/\r
  98 \r
  99 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 100 {\r
 101 unsigned portSHORT usLED = 0x0001;\r
 102 \r
 103         if( uxLED < partstMAX_LEDs )\r
 104         {\r
 105                 usLED <<= uxLED;\r
 106 \r
 107                 portENTER_CRITICAL();\r
 108                 {\r
 109                         if( partstLED_PORT & usLED )\r
 110                         {\r
 111                                 partstLED_PORT &= ~usLED;\r
 112                         }\r
 113                         else\r
 114                         {\r
 115                                 partstLED_PORT |= usLED;                        \r
 116                         }       \r
 117                 }\r
 118                 portEXIT_CRITICAL();\r
 119         }\r
 120 }\r
 121 \r
 122 \r
 123 \r
 124 \r