2 FreeRTOS.org V4.7.2 - Copyright (C) 2003-2008 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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28 Please ensure to read the configuration and relevant port sections of the
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29 online documentation.
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31 +++ http://www.FreeRTOS.org +++
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32 Documentation, latest information, license and contact details.
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34 +++ http://www.SafeRTOS.com +++
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35 A version that is certified for use in safety critical systems.
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37 +++ http://www.OpenRTOS.com +++
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38 Commercial support, development, porting, licensing and training services.
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40 ***************************************************************************
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44 * Creates all the demo application tasks then starts the scheduler. In
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45 * addition to the standard demo application tasks main() creates the
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46 * HTTPServer task, and a "Check" task. The Check task periodically inspects
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47 * all the other tasks in the system to see if any errors have been reported.
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48 * The error status is then displayed on the served WEB page.
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51 /* Tern includes. */
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53 #include <embedded.h>
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55 /* FreeRTOS.org includes. */
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56 #include <FreeRTOS.h>
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59 /* Demo application includes. */
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60 #include "HTTPTask.h"
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61 #include "integer.h"
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63 #include "semtest.h"
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64 #include "dynamic.h"
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68 #include "comtest.h"
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70 /* How often should the "check" task execute? */
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71 #define mainCHECK_DELAY ( 3000 / portTICK_RATE_MS )
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73 /* Priorities allocated to the various tasks. */
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74 #define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
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75 #define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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76 #define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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77 #define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
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78 #define mainHTTP_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
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79 #define mainSUICIDE_TASKS_PRIORITY ( tskIDLE_PRIORITY + 1 )
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80 #define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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82 /* Used to indicate the error status. A value of 0 means that an error has not
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83 been detected in any task. A non zero value indicates which group of demo
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84 tasks has reported an error. See prvCheckTask() for bit definitions. */
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85 unsigned portSHORT usCheckStatus = 0;
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87 /*-----------------------------------------------------------*/
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90 * Setup any hardware required by the demo - other than the RTOS tick which
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91 * is configured when the scheduler is started.
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93 static void prvSetupHardware( void );
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96 * Periodically inspect all the other tasks, updating usCheckStatus should an
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97 * error be discovered in any task.
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99 static void prvCheckTask( void *pvParameters );
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100 /*-----------------------------------------------------------*/
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104 prvSetupHardware();
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106 /* Start the HTTP server task. */
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107 xTaskCreate( vHTTPTask, "WizNet", configMINIMAL_STACK_SIZE, NULL, mainHTTP_TASK_PRIORITY, NULL );
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109 /* Start the demo/test application tasks. See the demo application
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110 section of the FreeRTOS.org WEB site for more information. */
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111 vStartIntegerMathTasks( tskIDLE_PRIORITY );
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112 vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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113 vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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114 vStartDynamicPriorityTasks();
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115 vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
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116 vStartComTestTasks( mainCOM_TEST_PRIORITY, serCOM2, ser57600 );
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118 /* Start the task that checks the other demo tasks for errors. */
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119 xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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121 /* The suicide tasks must be created last as they monitor the number of
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122 tasks in the system to ensure there are no more or fewer than expected
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123 compared to the number that were executing when the task started. */
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124 vCreateSuicidalTasks( mainSUICIDE_TASKS_PRIORITY );
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126 /* Finally start the scheduler. */
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127 vTaskStartScheduler();
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129 /* Should not get here! */
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132 /*-----------------------------------------------------------*/
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134 static void prvSetupHardware( void )
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138 /*-----------------------------------------------------------*/
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140 static void prvCheckTask( void *pvParameters )
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142 ( void ) pvParameters;
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144 /* Check all the demo tasks to ensure that they are all still running, and
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145 that none of them have detected an error. */
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148 /* Block until it is time to check again. */
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149 vTaskDelay( mainCHECK_DELAY );
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151 if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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153 usCheckStatus |= 0x01;
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156 if( xArePollingQueuesStillRunning() != pdTRUE )
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158 usCheckStatus |= 0x02;
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161 if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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163 usCheckStatus |= 0x04;
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166 if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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168 usCheckStatus |= 0x08;
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171 if( xAreBlockingQueuesStillRunning() != pdTRUE )
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173 usCheckStatus |= 0x10;
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176 if( xIsCreateTaskStillRunning() != pdTRUE )
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178 usCheckStatus |= 0x20;
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181 if( xAreComTestTasksStillRunning() != pdTRUE )
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183 usCheckStatus |= 0x40;
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187 /*-----------------------------------------------------------*/
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189 /* This is included to prevent link errors - allowing the 'full' version of
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190 the comtest tasks to be used. It can be ignored. */
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191 void vPrintDisplayMessage( const portCHAR * const * ppcMessageToSend )
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193 ( void ) ppcMessageToSend;
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