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

   1 /*\r
   2     FreeRTOS V7.0.0 - Copyright (C) 2011 Real Time Engineers Ltd.\r
   3         \r
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   5     ***************************************************************************\r
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  23 \r
  24 \r
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  52 */\r
  53 \r
  54 /*-----------------------------------------------------------\r
  55  * Simple parallel port IO routines.\r
  56  *-----------------------------------------------------------*/\r
  57 \r
  58 /* FreeRTOS includes. */\r
  59 #include "FreeRTOS.h"\r
  60 #include "task.h"\r
  61 \r
  62 /* Demo includes. */\r
  63 #include "partest.h"\r
  64 \r
  65 #define partstTOTAL_NUM_LEDs            16\r
  66 #define partstNUM_LEDs_PER_DISPLAY      8\r
  67 \r
  68 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 };\r
  69 \r
  70 void vParTestInitialise( void )\r
  71 {\r
  72         /* In this case all the initialisation is performed in prvSetupHardware()\r
  73         in main.c. */   \r
  74 }\r
  75 /*-----------------------------------------------------------*/\r
  76 \r
  77 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  78 {\r
  79 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
  80 \r
  81         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
  82         {\r
  83                 uxLEDMask <<= uxLED;\r
  84                 \r
  85                 taskENTER_CRITICAL();\r
  86                 {\r
  87                         if( xValue )\r
  88                         {\r
  89                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
  90                         }\r
  91                         else\r
  92                         {\r
  93                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;                            \r
  94                         }\r
  95                 }\r
  96                 taskEXIT_CRITICAL();\r
  97         }\r
  98         else if( uxLED < partstTOTAL_NUM_LEDs )\r
  99         {\r
 100                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 101 \r
 102                 uxLEDMask <<= uxLED;\r
 103                 \r
 104                 taskENTER_CRITICAL();\r
 105                 {\r
 106                         if( xValue )\r
 107                         {\r
 108                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 109                         }\r
 110                         else\r
 111                         {\r
 112                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;                            \r
 113                         }\r
 114                 }\r
 115                 taskEXIT_CRITICAL();\r
 116         }\r
 117 }\r
 118 /*-----------------------------------------------------------*/\r
 119 \r
 120 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 121 {\r
 122 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 123 \r
 124         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 125         {\r
 126                 uxLEDMask <<= uxLED;\r
 127                 \r
 128                 taskENTER_CRITICAL();\r
 129                 {\r
 130                         if( *pucDisplayOutput[ 0 ] & uxLEDMask )\r
 131                         {\r
 132                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 133                         }\r
 134                         else\r
 135                         {\r
 136                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;\r
 137                         }\r
 138                 }\r
 139                 taskEXIT_CRITICAL();\r
 140         }\r
 141         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 142         {\r
 143                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 144 \r
 145                 uxLEDMask <<= uxLED;\r
 146                 \r
 147                 taskENTER_CRITICAL();\r
 148                 {\r
 149                         if( *pucDisplayOutput[ 1 ] & uxLEDMask )\r
 150                         {\r
 151                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 152                         }\r
 153                         else\r
 154                         {\r
 155                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;\r
 156                         }\r
 157                 }\r
 158                 taskEXIT_CRITICAL();\r
 159         }\r
 160 }\r
 161 \r
 162 \r
 163 \r
 164 \r