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

   1 /*\r
   2  * FreeRTOS Kernel V10.2.1\r
   3  * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.\r
   4  *\r
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
   6  * this software and associated documentation files (the "Software"), to deal in\r
   7  * the Software without restriction, including without limitation the rights to\r
   8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
   9  * the Software, and to permit persons to whom the Software is furnished to do so,\r
  10  * subject to the following conditions:\r
  11  *\r
  12  * The above copyright notice and this permission notice shall be included in all\r
  13  * copies or substantial portions of the Software.\r
  14  *\r
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
  17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
  18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
  19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21  *\r
  22  * http://www.FreeRTOS.org\r
  23  * http://aws.amazon.com/freertos\r
  24  *\r
  25  * 1 tab == 4 spaces!\r
  26  */\r
  27 \r
  28 /*-----------------------------------------------------------\r
  29  * Simple parallel port IO routines.\r
  30  *-----------------------------------------------------------*/\r
  31 \r
  32 /* FreeRTOS includes. */\r
  33 #include "FreeRTOS.h"\r
  34 #include "task.h"\r
  35 \r
  36 /* Demo includes. */\r
  37 #include "partest.h"\r
  38 \r
  39 #define partstTOTAL_NUM_LEDs            16\r
  40 #define partstNUM_LEDs_PER_DISPLAY      8\r
  41 \r
  42 volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned char * ) 3, ( unsigned char * ) 5 };\r
  43 \r
  44 void vParTestInitialise( void )\r
  45 {\r
  46         /* In this case all the initialisation is performed in prvSetupHardware()\r
  47         in main.c. */   \r
  48 }\r
  49 /*-----------------------------------------------------------*/\r
  50 \r
  51 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
  52 {\r
  53 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
  54 \r
  55         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
  56         {\r
  57                 uxLEDMask <<= uxLED;\r
  58                 \r
  59                 taskENTER_CRITICAL();\r
  60                 {\r
  61                         if( xValue )\r
  62                         {\r
  63                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
  64                         }\r
  65                         else\r
  66                         {\r
  67                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;                            \r
  68                         }\r
  69                 }\r
  70                 taskEXIT_CRITICAL();\r
  71         }\r
  72         else if( uxLED < partstTOTAL_NUM_LEDs )\r
  73         {\r
  74                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
  75 \r
  76                 uxLEDMask <<= uxLED;\r
  77                 \r
  78                 taskENTER_CRITICAL();\r
  79                 {\r
  80                         if( xValue )\r
  81                         {\r
  82                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
  83                         }\r
  84                         else\r
  85                         {\r
  86                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;                            \r
  87                         }\r
  88                 }\r
  89                 taskEXIT_CRITICAL();\r
  90         }\r
  91 }\r
  92 /*-----------------------------------------------------------*/\r
  93 \r
  94 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
  95 {\r
  96 unsigned portBASE_TYPE uxLEDMask = 0x01;\r
  97 \r
  98         if( uxLED < partstNUM_LEDs_PER_DISPLAY )\r
  99         {\r
 100                 uxLEDMask <<= uxLED;\r
 101                 \r
 102                 taskENTER_CRITICAL();\r
 103                 {\r
 104                         if( *pucDisplayOutput[ 0 ] & uxLEDMask )\r
 105                         {\r
 106                                 *pucDisplayOutput[ 0 ] &= ~uxLEDMask;\r
 107                         }\r
 108                         else\r
 109                         {\r
 110                                 *pucDisplayOutput[ 0 ] |= uxLEDMask;\r
 111                         }\r
 112                 }\r
 113                 taskEXIT_CRITICAL();\r
 114         }\r
 115         else if( uxLED < partstTOTAL_NUM_LEDs )\r
 116         {\r
 117                 uxLED -= partstNUM_LEDs_PER_DISPLAY;\r
 118 \r
 119                 uxLEDMask <<= uxLED;\r
 120                 \r
 121                 taskENTER_CRITICAL();\r
 122                 {\r
 123                         if( *pucDisplayOutput[ 1 ] & uxLEDMask )\r
 124                         {\r
 125                                 *pucDisplayOutput[ 1 ] &= ~uxLEDMask;\r
 126                         }\r
 127                         else\r
 128                         {\r
 129                                 *pucDisplayOutput[ 1 ] |= uxLEDMask;\r
 130                         }\r
 131                 }\r
 132                 taskEXIT_CRITICAL();\r
 133         }\r
 134 }\r
 135 \r
 136 \r
 137 \r
 138 \r