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

   1 /*\r
   2     FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.\r
   3     All rights reserved\r
   4 \r
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   6 \r
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   8 \r
   9     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  10     the terms of the GNU General Public License (version 2) as published by the\r
  11     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  12 \r
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  17 \r
  18     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
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  24 \r
  25     ***************************************************************************\r
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  94 */\r
  95 \r
  96 /*-----------------------------------------------------------\r
  97  * Simple parallel port IO routines.\r
  98  *-----------------------------------------------------------*/\r
  99 \r
 100 /* FreeRTOS includes. */\r
 101 #include "FreeRTOS.h"\r
 102 #include "task.h"\r
 103 \r
 104 /* Demo includes. */\r
 105 #include "partest.h"\r
 106 \r
 107 #define partstTOTAL_NUM_LEDs            16\r
 108 #define partstNUM_LEDs_PER_DISPLAY      8\r
 109 \r
 110 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 };\r
 111 \r
 112 void vParTestInitialise( void )\r
 113 {\r
 114         /* In this case all the initialisation is performed in prvSetupHardware()\r
 115         in main.c. */   \r
 116 }\r
 117 /*-----------------------------------------------------------*/\r
 118 \r
 119 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
 120 {\r
 121 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 122 \r
 123         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 124         {\r
 125                 uxLEDMask <<= uxLED;\r
 126                 \r
 127                 taskENTER_CRITICAL();\r
 128                 {\r
 129                         if( xValue )\r
 130                         {\r
 131                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 132                         }\r
 133                         else\r
 134                         {\r
 135                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;                            \r
 136                         }\r
 137                 }\r
 138                 taskEXIT_CRITICAL();\r
 139         }\r
 140         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 141         {\r
 142                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 143 \r
 144                 uxLEDMask <<= uxLED;\r
 145                 \r
 146                 taskENTER_CRITICAL();\r
 147                 {\r
 148                         if( xValue )\r
 149                         {\r
 150                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 151                         }\r
 152                         else\r
 153                         {\r
 154                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;                            \r
 155                         }\r
 156                 }\r
 157                 taskEXIT_CRITICAL();\r
 158         }\r
 159 }\r
 160 /*-----------------------------------------------------------*/\r
 161 \r
 162 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 163 {\r
 164 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 165 \r
 166         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 167         {\r
 168                 uxLEDMask <<= uxLED;\r
 169                 \r
 170                 taskENTER_CRITICAL();\r
 171                 {\r
 172                         if( *pucDisplayOutput[ 0 ] & uxLEDMask )\r
 173                         {\r
 174                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 175                         }\r
 176                         else\r
 177                         {\r
 178                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;\r
 179                         }\r
 180                 }\r
 181                 taskEXIT_CRITICAL();\r
 182         }\r
 183         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 184         {\r
 185                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 186 \r
 187                 uxLEDMask <<= uxLED;\r
 188                 \r
 189                 taskENTER_CRITICAL();\r
 190                 {\r
 191                         if( *pucDisplayOutput[ 1 ] & uxLEDMask )\r
 192                         {\r
 193                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 194                         }\r
 195                         else\r
 196                         {\r
 197                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;\r
 198                         }\r
 199                 }\r
 200                 taskEXIT_CRITICAL();\r
 201         }\r
 202 }\r
 203 \r
 204 \r
 205 \r
 206 \r