git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/ARM9_STR91X_IAR/ParTest/ParTest.c

   1 /*\r
   2     FreeRTOS V7.5.3 - Copyright (C) 2013 Real Time Engineers Ltd. \r
   3     All rights reserved\r
   4 \r
   5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   6 \r
   7     ***************************************************************************\r
   8      *                                                                       *\r
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  12      *                                                                       *\r
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  14      *    project by purchasing a FreeRTOS tutorial book, reference          *\r
  15      *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
  16      *                                                                       *\r
  17      *    Thank you!                                                         *\r
  18      *                                                                       *\r
  19     ***************************************************************************\r
  20 \r
  21     This file is part of the FreeRTOS distribution.\r
  22 \r
  23     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  24     the terms of the GNU General Public License (version 2) as published by the\r
  25     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  26 \r
  27     >>! NOTE: The modification to the GPL is included to allow you to distribute\r
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  29     >>! the source code for proprietary components outside of the FreeRTOS\r
  30     >>! kernel.\r
  31 \r
  32     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  33     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  34     FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
  35     link: http://www.freertos.org/a00114.html\r
  36 \r
  37     1 tab == 4 spaces!\r
  38 \r
  39     ***************************************************************************\r
  40      *                                                                       *\r
  41      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  42      *    not run, what could be wrong?"                                     *\r
  43      *                                                                       *\r
  44      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  45      *                                                                       *\r
  46     ***************************************************************************\r
  47 \r
  48     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
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  50 \r
  51     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
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  54 \r
  55     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
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  58 \r
  59     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  60     engineered and independently SIL3 certified version for use in safety and\r
  61     mission critical applications that require provable dependability.\r
  62 \r
  63     1 tab == 4 spaces!\r
  64 */\r
  65 \r
  66 /* Library includes. */\r
  67 #include  "91x_lib.h"\r
  68 \r
  69 /* Scheduler includes. */\r
  70 #include "FreeRTOS.h"\r
  71 \r
  72 /* Demo application includes. */\r
  73 #include "partest.h"\r
  74 \r
  75 #define partstMAX_LEDs          4\r
  76 #define partstLED_PORT          *( ( unsigned short * ) 0x5800f3fc )\r
  77 \r
  78 /*-----------------------------------------------------------*/\r
  79 \r
  80 static GPIO_InitTypeDef GPIO9_InitStruct;\r
  81 \r
  82 void vParTestInitialise( void )\r
  83 {       \r
  84         /* Configure the bits used to flash LED's on port 9 as output. */\r
  85         GPIO_StructInit( &GPIO9_InitStruct );\r
  86         GPIO9_InitStruct.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;\r
  87         GPIO9_InitStruct.GPIO_Direction = GPIO_PinOutput;\r
  88         GPIO_Init( GPIO9, &GPIO9_InitStruct );\r
  89 }\r
  90 /*-----------------------------------------------------------*/\r
  91 \r
  92 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  93 {\r
  94 unsigned short usLED = 0x0001;\r
  95 \r
  96         if( uxLED < partstMAX_LEDs )\r
  97         {\r
  98                 usLED <<= uxLED;\r
  99 \r
 100                 portENTER_CRITICAL();\r
 101                 {\r
 102                         if( xValue )\r
 103                         {\r
 104                                 partstLED_PORT &= ~usLED;\r
 105                         }\r
 106                         else\r
 107                         {\r
 108                                 partstLED_PORT |= usLED;                                \r
 109                         }               \r
 110                 }\r
 111                 portEXIT_CRITICAL();\r
 112         }\r
 113 }\r
 114 /*-----------------------------------------------------------*/\r
 115 \r
 116 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 117 {\r
 118 unsigned short usLED = 0x0001;\r
 119 \r
 120         if( uxLED < partstMAX_LEDs )\r
 121         {\r
 122                 usLED <<= uxLED;\r
 123 \r
 124                 portENTER_CRITICAL();\r
 125                 {\r
 126                         if( partstLED_PORT & usLED )\r
 127                         {\r
 128                                 partstLED_PORT &= ~usLED;\r
 129                         }\r
 130                         else\r
 131                         {\r
 132                                 partstLED_PORT |= usLED;                        \r
 133                         }       \r
 134                 }\r
 135                 portEXIT_CRITICAL();\r
 136         }\r
 137 }\r
 138 \r
 139 \r
 140 \r
 141 \r