git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/CORTEX_LM3S102_Rowley/Demo3/ParTest.c

   1 /*\r
   2     FreeRTOS V8.1.1 - Copyright (C) 2014 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     !<<\r
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  29     >>!   obliged to provide the source code for proprietary components     !<<\r
  30     >>!   outside of the FreeRTOS 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
  49     license and Real Time Engineers Ltd. contact details.\r
  50 \r
  51     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  52     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  53     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  54 \r
  55     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  56     Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  57     licenses offer ticketed support, indemnification and middleware.\r
  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 /*-----------------------------------------------------------\r
  67  * Simple parallel port IO routines.\r
  68  *-----------------------------------------------------------*/\r
  69 \r
  70 /*\r
  71 */\r
  72 \r
  73 /* Kernel include files. */\r
  74 #include "FreeRTOS.h"\r
  75 #include "task.h"\r
  76 #include "partest.h"\r
  77 \r
  78 /* Hardware specific include files. */\r
  79 #include "DriverLib.h"\r
  80 \r
  81 static const unsigned long ulLEDs[] =\r
  82 {\r
  83         GPIO_PIN_6, GPIO_PIN_1, GPIO_PIN_0\r
  84 };\r
  85 \r
  86 #define partstLED_PINS ( GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_6 )\r
  87 \r
  88 #define partstMAX_OUTPUT_LED    ( ( unsigned char ) 3 )\r
  89 \r
  90 /*-----------------------------------------------------------*/\r
  91 void vParTestInitialise( void )\r
  92 {\r
  93 portBASE_TYPE xLED;\r
  94 \r
  95         /* The LED's are on port B. */\r
  96     GPIODirModeSet( GPIO_PORTB_BASE, partstLED_PINS, GPIO_DIR_MODE_OUT );\r
  97 \r
  98         for( xLED = 0; xLED < partstMAX_OUTPUT_LED; xLED++ )\r
  99         {\r
 100                 vParTestSetLED( xLED, pdFALSE );\r
 101         }\r
 102 }\r
 103 /*-----------------------------------------------------------*/\r
 104 \r
 105 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
 106 {\r
 107         vTaskSuspendAll();\r
 108         {\r
 109                 if( uxLED < partstMAX_OUTPUT_LED )\r
 110                 {\r
 111                         if( xValue == pdFALSE )\r
 112                         {\r
 113                                 GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ulLEDs[ uxLED ] );\r
 114                         }\r
 115                         else\r
 116                         {\r
 117                                 GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ~ulLEDs[ uxLED ] );\r
 118                         }\r
 119                 }       \r
 120         }\r
 121         xTaskResumeAll();\r
 122 }\r
 123 /*-----------------------------------------------------------*/\r
 124 \r
 125 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 126 {\r
 127 portBASE_TYPE xCurrentValue;\r
 128 \r
 129         vTaskSuspendAll();\r
 130         {\r
 131                 if( uxLED < partstMAX_OUTPUT_LED )\r
 132                 {\r
 133                         xCurrentValue = GPIOPinRead( GPIO_PORTB_BASE, ulLEDs[ uxLED ] );\r
 134                         if( xCurrentValue )\r
 135                         {\r
 136                                 GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ~ulLEDs[ uxLED ] );\r
 137                         }\r
 138                         else\r
 139                         {\r
 140                                 GPIOPinWrite( GPIO_PORTB_BASE, ulLEDs[ uxLED ], ulLEDs[ uxLED ] );\r
 141                         }\r
 142                 }\r
 143         }\r
 144         xTaskResumeAll();\r
 145 }\r