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

   1 /*\r
   2     FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
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  67 */\r
  68 \r
  69 /*-----------------------------------------------------------\r
  70  * Simple parallel port IO routines.\r
  71  *-----------------------------------------------------------*/\r
  72 \r
  73 /* FreeRTOS includes. */\r
  74 #include "FreeRTOS.h"\r
  75 #include "task.h"\r
  76 \r
  77 /* Demo includes. */\r
  78 #include "partest.h"\r
  79 \r
  80 #define partstTOTAL_NUM_LEDs            16\r
  81 #define partstNUM_LEDs_PER_DISPLAY      8\r
  82 \r
  83 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 };\r
  84 \r
  85 void vParTestInitialise( void )\r
  86 {\r
  87         /* In this case all the initialisation is performed in prvSetupHardware()\r
  88         in main.c. */   \r
  89 }\r
  90 /*-----------------------------------------------------------*/\r
  91 \r
  92 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  93 {\r
  94 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
  95 \r
  96         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
  97         {\r
  98                 uxLEDMask <<= uxLED;\r
  99                 \r
 100                 taskENTER_CRITICAL();\r
 101                 {\r
 102                         if( xValue )\r
 103                         {\r
 104                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 105                         }\r
 106                         else\r
 107                         {\r
 108                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;                            \r
 109                         }\r
 110                 }\r
 111                 taskEXIT_CRITICAL();\r
 112         }\r
 113         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 114         {\r
 115                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 116 \r
 117                 uxLEDMask <<= uxLED;\r
 118                 \r
 119                 taskENTER_CRITICAL();\r
 120                 {\r
 121                         if( xValue )\r
 122                         {\r
 123                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 124                         }\r
 125                         else\r
 126                         {\r
 127                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;                            \r
 128                         }\r
 129                 }\r
 130                 taskEXIT_CRITICAL();\r
 131         }\r
 132 }\r
 133 /*-----------------------------------------------------------*/\r
 134 \r
 135 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 136 {\r
 137 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 138 \r
 139         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 140         {\r
 141                 uxLEDMask <<= uxLED;\r
 142                 \r
 143                 taskENTER_CRITICAL();\r
 144                 {\r
 145                         if( *pucDisplayOutput[ 0 ] & uxLEDMask )\r
 146                         {\r
 147                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 148                         }\r
 149                         else\r
 150                         {\r
 151                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;\r
 152                         }\r
 153                 }\r
 154                 taskEXIT_CRITICAL();\r
 155         }\r
 156         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 157         {\r
 158                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 159 \r
 160                 uxLEDMask <<= uxLED;\r
 161                 \r
 162                 taskENTER_CRITICAL();\r
 163                 {\r
 164                         if( *pucDisplayOutput[ 1 ] & uxLEDMask )\r
 165                         {\r
 166                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 167                         }\r
 168                         else\r
 169                         {\r
 170                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;\r
 171                         }\r
 172                 }\r
 173                 taskEXIT_CRITICAL();\r
 174         }\r
 175 }\r
 176 \r
 177 \r
 178 \r
 179 \r