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

   1 /*\r
   2     FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.\r
   3 \r
   4     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   5 \r
   6     ***************************************************************************\r
   7      *                                                                       *\r
   8      *    FreeRTOS provides completely free yet professionally developed,    *\r
   9      *    robust, strictly quality controlled, supported, and cross          *\r
  10      *    platform software that has become a de facto standard.             *\r
  11      *                                                                       *\r
  12      *    Help yourself get started quickly and support the FreeRTOS         *\r
  13      *    project by purchasing a FreeRTOS tutorial book, reference          *\r
  14      *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
  15      *                                                                       *\r
  16      *    Thank you!                                                         *\r
  17      *                                                                       *\r
  18     ***************************************************************************\r
  19 \r
  20     This file is part of the FreeRTOS distribution.\r
  21 \r
  22     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  23     the terms of the GNU General Public License (version 2) as published by the\r
  24     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  25 \r
  26     >>! NOTE: The modification to the GPL is included to allow you to distribute\r
  27     >>! a combined work that includes FreeRTOS without being obliged to provide\r
  28     >>! the source code for proprietary components outside of the FreeRTOS\r
  29     >>! kernel.\r
  30 \r
  31     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  32     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  33     FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
  34     link: http://www.freertos.org/a00114.html\r
  35 \r
  36     1 tab == 4 spaces!\r
  37 \r
  38     ***************************************************************************\r
  39      *                                                                       *\r
  40      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  41      *    not run, what could be wrong?"                                     *\r
  42      *                                                                       *\r
  43      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  44      *                                                                       *\r
  45     ***************************************************************************\r
  46 \r
  47     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
  48     license and Real Time Engineers Ltd. contact details.\r
  49 \r
  50     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  51     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  52     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  53 \r
  54     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  55     Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  56     licenses offer ticketed support, indemnification and middleware.\r
  57 \r
  58     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  59     engineered and independently SIL3 certified version for use in safety and\r
  60     mission critical applications that require provable dependability.\r
  61 \r
  62     1 tab == 4 spaces!\r
  63 */\r
  64 \r
  65 /* Library includes. */\r
  66 #include  "91x_lib.h"\r
  67 \r
  68 /* Scheduler includes. */\r
  69 #include "FreeRTOS.h"\r
  70 \r
  71 /* Demo application includes. */\r
  72 #include "partest.h"\r
  73 \r
  74 #define partstMAX_LEDs          4\r
  75 #define partstLED_PORT          *( ( unsigned short * ) 0x5800f3fc )\r
  76 \r
  77 /*-----------------------------------------------------------*/\r
  78 \r
  79 static GPIO_InitTypeDef GPIO9_InitStruct;\r
  80 \r
  81 void vParTestInitialise( void )\r
  82 {       \r
  83         /* Configure the bits used to flash LED's on port 9 as output. */\r
  84         GPIO_StructInit( &GPIO9_InitStruct );\r
  85         GPIO9_InitStruct.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;\r
  86         GPIO9_InitStruct.GPIO_Direction = GPIO_PinOutput;\r
  87         GPIO_Init( GPIO9, &GPIO9_InitStruct );\r
  88 }\r
  89 /*-----------------------------------------------------------*/\r
  90 \r
  91 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  92 {\r
  93 unsigned short usLED = 0x0001;\r
  94 \r
  95         if( uxLED < partstMAX_LEDs )\r
  96         {\r
  97                 usLED <<= uxLED;\r
  98 \r
  99                 portENTER_CRITICAL();\r
 100                 {\r
 101                         if( xValue )\r
 102                         {\r
 103                                 partstLED_PORT &= ~usLED;\r
 104                         }\r
 105                         else\r
 106                         {\r
 107                                 partstLED_PORT |= usLED;                                \r
 108                         }               \r
 109                 }\r
 110                 portEXIT_CRITICAL();\r
 111         }\r
 112 }\r
 113 /*-----------------------------------------------------------*/\r
 114 \r
 115 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 116 {\r
 117 unsigned short usLED = 0x0001;\r
 118 \r
 119         if( uxLED < partstMAX_LEDs )\r
 120         {\r
 121                 usLED <<= uxLED;\r
 122 \r
 123                 portENTER_CRITICAL();\r
 124                 {\r
 125                         if( partstLED_PORT & usLED )\r
 126                         {\r
 127                                 partstLED_PORT &= ~usLED;\r
 128                         }\r
 129                         else\r
 130                         {\r
 131                                 partstLED_PORT |= usLED;                        \r
 132                         }       \r
 133                 }\r
 134                 portEXIT_CRITICAL();\r
 135         }\r
 136 }\r
 137 \r
 138 \r
 139 \r
 140 \r