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

   1 /*\r
   2     FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.\r
   3 \r
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   7     ***************************************************************************\r
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  25 \r
  26 \r
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  73 */\r
  74 \r
  75 /*-----------------------------------------------------------\r
  76  * Simple parallel port IO routines.\r
  77  *-----------------------------------------------------------*/\r
  78 \r
  79 /* FreeRTOS includes. */\r
  80 #include "FreeRTOS.h"\r
  81 #include "task.h"\r
  82 \r
  83 /* Demo includes. */\r
  84 #include "partest.h"\r
  85 \r
  86 #define partstTOTAL_NUM_LEDs            16\r
  87 #define partstNUM_LEDs_PER_DISPLAY      8\r
  88 \r
  89 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 };\r
  90 \r
  91 void vParTestInitialise( void )\r
  92 {\r
  93         /* In this case all the initialisation is performed in prvSetupHardware()\r
  94         in main.c. */   \r
  95 }\r
  96 /*-----------------------------------------------------------*/\r
  97 \r
  98 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  99 {\r
 100 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 101 \r
 102         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 103         {\r
 104                 uxLEDMask <<= uxLED;\r
 105                 \r
 106                 taskENTER_CRITICAL();\r
 107                 {\r
 108                         if( xValue )\r
 109                         {\r
 110                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 111                         }\r
 112                         else\r
 113                         {\r
 114                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;                            \r
 115                         }\r
 116                 }\r
 117                 taskEXIT_CRITICAL();\r
 118         }\r
 119         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 120         {\r
 121                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 122 \r
 123                 uxLEDMask <<= uxLED;\r
 124                 \r
 125                 taskENTER_CRITICAL();\r
 126                 {\r
 127                         if( xValue )\r
 128                         {\r
 129                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 130                         }\r
 131                         else\r
 132                         {\r
 133                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;                            \r
 134                         }\r
 135                 }\r
 136                 taskEXIT_CRITICAL();\r
 137         }\r
 138 }\r
 139 /*-----------------------------------------------------------*/\r
 140 \r
 141 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 142 {\r
 143 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
 144 \r
 145         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
 146         {\r
 147                 uxLEDMask <<= uxLED;\r
 148                 \r
 149                 taskENTER_CRITICAL();\r
 150                 {\r
 151                         if( *pucDisplayOutput[ 0 ] & uxLEDMask )\r
 152                         {\r
 153                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 154                         }\r
 155                         else\r
 156                         {\r
 157                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;\r
 158                         }\r
 159                 }\r
 160                 taskEXIT_CRITICAL();\r
 161         }\r
 162         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 163         {\r
 164                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 165 \r
 166                 uxLEDMask <<= uxLED;\r
 167                 \r
 168                 taskENTER_CRITICAL();\r
 169                 {\r
 170                         if( *pucDisplayOutput[ 1 ] & uxLEDMask )\r
 171                         {\r
 172                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 173                         }\r
 174                         else\r
 175                         {\r
 176                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;\r
 177                         }\r
 178                 }\r
 179                 taskEXIT_CRITICAL();\r
 180         }\r
 181 }\r
 182 \r
 183 \r
 184 \r
 185 \r