git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/MB96350_Softune_Dice_Kit/ParTest/ParTest.c

   1 /*\r
   2     FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd. \r
   3     All rights reserved\r
   4 \r
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   6 \r
   7     ***************************************************************************\r
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  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
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  35     link: http://www.freertos.org/a00114.html\r
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  39     ***************************************************************************\r
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  64 */\r
  65 \r
  66 /*-----------------------------------------------------------\r
  67  * Simple parallel port IO routines.\r
  68  *-----------------------------------------------------------*/\r
  69 \r
  70 /* FreeRTOS includes. */\r
  71 #include "FreeRTOS.h"\r
  72 #include "task.h"\r
  73 \r
  74 /* Demo includes. */\r
  75 #include "partest.h"\r
  76 \r
  77 #define partstTOTAL_NUM_LEDs            16\r
  78 #define partstNUM_LEDs_PER_DISPLAY      8\r
  79 \r
  80 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 };\r
  81 \r
  82 void vParTestInitialise( void )\r
  83 {\r
  84         /* In this case all the initialisation is performed in prvSetupHardware()\r
  85         in main.c. */   \r
  86 }\r
  87 /*-----------------------------------------------------------*/\r
  88 \r
  89 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  90 {\r
  91 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
  92 \r
  93         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
  94         {\r
  95                 uxLEDMask <<= uxLED;\r
  96                 \r
  97                 taskENTER_CRITICAL();\r
  98                 {\r
  99                         if( xValue )\r
 100                         {\r
 101                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 102                         }\r
 103                         else\r
 104                         {\r
 105                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;                            \r
 106                         }\r
 107                 }\r
 108                 taskEXIT_CRITICAL();\r
 109         }\r
 110         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 111         {\r
 112                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 113 \r
 114                 uxLEDMask <<= uxLED;\r
 115                 \r
 116                 taskENTER_CRITICAL();\r
 117                 {\r
 118                         if( xValue )\r
 119                         {\r
 120                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 121                         }\r
 122                         else\r
 123                         {\r
 124                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;                            \r
 125                         }\r
 126                 }\r
 127                 taskEXIT_CRITICAL();\r
 128         }\r
 129 }\r
 130 /*-----------------------------------------------------------*/\r
 131 \r
 132 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 133 {\r
 134 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 135 \r
 136         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 137         {\r
 138                 uxLEDMask <<= uxLED;\r
 139                 \r
 140                 taskENTER_CRITICAL();\r
 141                 {\r
 142                         if( *pucDisplayOutput[ 0 ] & uxLEDMask )\r
 143                         {\r
 144                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 145                         }\r
 146                         else\r
 147                         {\r
 148                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;\r
 149                         }\r
 150                 }\r
 151                 taskEXIT_CRITICAL();\r
 152         }\r
 153         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 154         {\r
 155                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 156 \r
 157                 uxLEDMask <<= uxLED;\r
 158                 \r
 159                 taskENTER_CRITICAL();\r
 160                 {\r
 161                         if( *pucDisplayOutput[ 1 ] & uxLEDMask )\r
 162                         {\r
 163                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 164                         }\r
 165                         else\r
 166                         {\r
 167                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;\r
 168                         }\r
 169                 }\r
 170                 taskEXIT_CRITICAL();\r
 171         }\r
 172 }\r
 173 \r
 174 \r
 175 \r
 176 \r