git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/Cygnal/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
   5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   6 \r
   7     This file is part of the FreeRTOS distribution.\r
   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
  13     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
  14     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
  15     >>!   obliged to provide the source code for proprietary components     !<<\r
  16     >>!   outside of the FreeRTOS kernel.                                   !<<\r
  17 \r
  18     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  19     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  20     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
  21     link: http://www.freertos.org/a00114.html\r
  22 \r
  23     1 tab == 4 spaces!\r
  24 \r
  25     ***************************************************************************\r
  26      *                                                                       *\r
  27      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  28      *    not run, what could be wrong?".  Have you defined configASSERT()?  *\r
  29      *                                                                       *\r
  30      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  31      *                                                                       *\r
  32     ***************************************************************************\r
  33 \r
  34     ***************************************************************************\r
  35      *                                                                       *\r
  36      *    FreeRTOS provides completely free yet professionally developed,    *\r
  37      *    robust, strictly quality controlled, supported, and cross          *\r
  38      *    platform software that is more than just the market leader, it     *\r
  39      *    is the industry's de facto standard.                               *\r
  40      *                                                                       *\r
  41      *    Help yourself get started quickly while simultaneously helping     *\r
  42      *    to support the FreeRTOS project by purchasing a FreeRTOS           *\r
  43      *    tutorial book, reference manual, or both:                          *\r
  44      *    http://www.FreeRTOS.org/Documentation                              *\r
  45      *                                                                       *\r
  46     ***************************************************************************\r
  47 \r
  48     ***************************************************************************\r
  49      *                                                                       *\r
  50      *   Investing in training allows your team to be as productive as       *\r
  51      *   possible as early as possible, lowering your overall development    *\r
  52      *   cost, and enabling you to bring a more robust product to market     *\r
  53      *   earlier than would otherwise be possible.  Richard Barry is both    *\r
  54      *   the architect and key author of FreeRTOS, and so also the world's   *\r
  55      *   leading authority on what is the world's most popular real time     *\r
  56      *   kernel for deeply embedded MCU designs.  Obtaining your training    *\r
  57      *   from Richard ensures your team will gain directly from his in-depth *\r
  58      *   product knowledge and years of usage experience.  Contact Real Time *\r
  59      *   Engineers Ltd to enquire about the FreeRTOS Masterclass, presented  *\r
  60      *   by Richard Barry:  http://www.FreeRTOS.org/contact\r
  61      *                                                                       *\r
  62     ***************************************************************************\r
  63 \r
  64     ***************************************************************************\r
  65      *                                                                       *\r
  66      *    You are receiving this top quality software for free.  Please play *\r
  67      *    fair and reciprocate by reporting any suspected issues and         *\r
  68      *    participating in the community forum:                              *\r
  69      *    http://www.FreeRTOS.org/support                                    *\r
  70      *                                                                       *\r
  71      *    Thank you!                                                         *\r
  72      *                                                                       *\r
  73     ***************************************************************************\r
  74 \r
  75     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
  76     license and Real Time Engineers Ltd. contact details.\r
  77 \r
  78     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  79     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  80     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  81 \r
  82     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
  83     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
  84 \r
  85     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  86     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  87     licenses offer ticketed support, indemnification and commercial middleware.\r
  88 \r
  89     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  90     engineered and independently SIL3 certified version for use in safety and\r
  91     mission critical applications that require provable dependability.\r
  92 \r
  93     1 tab == 4 spaces!\r
  94 */\r
  95 #include <c8051f120.h>\r
  96 \r
  97 #include "FreeRTOS.h"\r
  98 #include "task.h"\r
  99 #include "partest.h"\r
 100 \r
 101 #define partstPUSH_PULL                 ( ( unsigned char ) 0xff )\r
 102 #define partstALL_OUTPUTS_OFF   ( ( unsigned char ) 0xff )\r
 103 \r
 104 /* LED to output is dependent on how the LED's are wired. */\r
 105 #define partstOUTPUT_0                  ( ( unsigned char ) 0x02 )\r
 106 #define partstOUTPUT_1                  ( ( unsigned char ) 0x08 )\r
 107 #define partstOUTPUT_2                  ( ( unsigned char ) 0x20 )\r
 108 #define partstOUTPUT_3                  ( ( unsigned char ) 0x01 )\r
 109 #define partstOUTPUT_4                  ( ( unsigned char ) 0x04 )\r
 110 #define partstOUTPUT_5                  ( ( unsigned char ) 0x10 )\r
 111 #define partstOUTPUT_6                  ( ( unsigned char ) 0x40 )\r
 112 #define partstOUTPUT_7                  ( ( unsigned char ) 0x80 )\r
 113 \r
 114 /*-----------------------------------------------------------\r
 115  * Simple parallel port IO routines.\r
 116  *-----------------------------------------------------------*/\r
 117 \r
 118 void vParTestInitialise( void )\r
 119 {\r
 120 unsigned char ucOriginalSFRPage;\r
 121 \r
 122         /* Remember the SFR page before it is changed so it can get set back\r
 123         before the function exits. */\r
 124         ucOriginalSFRPage = SFRPAGE;\r
 125 \r
 126         /* Setup the SFR page to access the config SFR's. */\r
 127         SFRPAGE = CONFIG_PAGE;\r
 128 \r
 129         /* Set the on board LED to push pull. */\r
 130         P3MDOUT |= partstPUSH_PULL;\r
 131 \r
 132         /* Return the SFR page. */\r
 133         SFRPAGE = ucOriginalSFRPage;\r
 134 \r
 135         P3 = partstALL_OUTPUTS_OFF;\r
 136 }\r
 137 /*-----------------------------------------------------------*/\r
 138 \r
 139 void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue )\r
 140 {\r
 141 portBASE_TYPE xError = pdFALSE;\r
 142 \r
 143         vTaskSuspendAll();\r
 144         {\r
 145                 if( xValue == pdFALSE )\r
 146                 {\r
 147                         switch( uxLED )\r
 148                         {\r
 149                                 case 0  :       P3 |= partstOUTPUT_0;\r
 150                                                         break;\r
 151                                 case 1  :       P3 |= partstOUTPUT_1;\r
 152                                                         break;\r
 153                                 case 2  :       P3 |= partstOUTPUT_2;\r
 154                                                         break;\r
 155                                 case 3  :       P3 |= partstOUTPUT_3;\r
 156                                                         break;\r
 157                                 case 4  :       P3 |= partstOUTPUT_4;\r
 158                                                         break;\r
 159                                 case 5  :       P3 |= partstOUTPUT_5;\r
 160                                                         break;\r
 161                                 case 6  :       P3 |= partstOUTPUT_6;\r
 162                                                         break;\r
 163                                 case 7  :       P3 |= partstOUTPUT_7;\r
 164                                                         break;\r
 165                                 default :       /* There are no other LED's wired in. */\r
 166                                                         xError = pdTRUE;\r
 167                                                         break;\r
 168                         }\r
 169                 }\r
 170                 else\r
 171                 {\r
 172                         switch( uxLED )\r
 173                         {\r
 174                                 case 0  :       P3 &= ~partstOUTPUT_0;\r
 175                                                         break;\r
 176                                 case 1  :       P3 &= ~partstOUTPUT_1;\r
 177                                                         break;\r
 178                                 case 2  :       P3 &= ~partstOUTPUT_2;\r
 179                                                         break;\r
 180                                 case 3  :       P3 &= ~partstOUTPUT_3;\r
 181                                                         break;\r
 182                                 case 4  :       P3 &= ~partstOUTPUT_4;\r
 183                                                         break;\r
 184                                 case 5  :       P3 &= ~partstOUTPUT_5;\r
 185                                                         break;\r
 186                                 case 6  :       P3 &= ~partstOUTPUT_6;\r
 187                                                         break;\r
 188                                 case 7  :       P3 &= ~partstOUTPUT_7;\r
 189                                                         break;\r
 190                                 default :       /* There are no other LED's wired in. */\r
 191                                                         break;\r
 192                         }\r
 193                 }\r
 194         }\r
 195         xTaskResumeAll();\r
 196 }\r
 197 /*-----------------------------------------------------------*/\r
 198 \r
 199 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
 200 {\r
 201 unsigned char ucBit;\r
 202 portBASE_TYPE xError = pdFALSE;\r
 203 \r
 204         vTaskSuspendAll();\r
 205         {\r
 206                 switch( uxLED )\r
 207                 {\r
 208                         case 0  :       ucBit = partstOUTPUT_0;\r
 209                                                 break;\r
 210                         case 1  :       ucBit = partstOUTPUT_1;\r
 211                                                 break;\r
 212                         case 2  :       ucBit = partstOUTPUT_2;\r
 213                                                 break;\r
 214                         case 3  :       ucBit = partstOUTPUT_3;\r
 215                                                 break;\r
 216                         case 4  :       ucBit = partstOUTPUT_4;\r
 217                                                 break;\r
 218                         case 5  :       ucBit = partstOUTPUT_5;\r
 219                                                 break;\r
 220                         case 6  :       ucBit = partstOUTPUT_6;\r
 221                                                 break;\r
 222                         case 7  :       ucBit = partstOUTPUT_7;\r
 223                                                 break;\r
 224                         default :       /* There are no other LED's wired in. */\r
 225                                                 xError = pdTRUE;\r
 226                                                 break;\r
 227                 }\r
 228 \r
 229                 if( xError != pdTRUE )\r
 230                 {\r
 231                         if( P3 & ucBit )\r
 232                         {\r
 233                                 P3 &= ~ucBit;\r
 234                         }\r
 235                         else\r
 236                         {\r
 237                                 P3 |= ucBit;\r
 238                         }\r
 239                 }\r
 240         }\r
 241         xTaskResumeAll();\r
 242 }\r
 243 \r
 244 \r