2 FreeRTOS V8.0.0:rc1 - Copyright (C) 2014 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to distribute
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28 >>! a combined work that includes FreeRTOS without being obliged to provide
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29 >>! the source code for proprietary components outside of the FreeRTOS
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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67 * Creates all the demo application tasks then starts the scheduler. In
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68 * addition to the standard demo application tasks main() creates the
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69 * HTTPServer task, and a "Check" task. The Check task periodically inspects
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70 * all the other tasks in the system to see if any errors have been reported.
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71 * The error status is then displayed on the served WEB page.
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74 /* Tern includes. */
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76 #include <embedded.h>
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78 /* FreeRTOS.org includes. */
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79 #include <FreeRTOS.h>
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82 /* Demo application includes. */
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83 #include "HTTPTask.h"
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84 #include "integer.h"
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86 #include "semtest.h"
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87 #include "dynamic.h"
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91 #include "comtest.h"
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93 /* How often should the "check" task execute? */
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94 #define mainCHECK_DELAY ( 3000 / portTICK_PERIOD_MS )
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96 /* Priorities allocated to the various tasks. */
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97 #define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
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98 #define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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99 #define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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100 #define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
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101 #define mainHTTP_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
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102 #define mainSUICIDE_TASKS_PRIORITY ( tskIDLE_PRIORITY + 1 )
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103 #define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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105 /* Used to indicate the error status. A value of 0 means that an error has not
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106 been detected in any task. A non zero value indicates which group of demo
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107 tasks has reported an error. See prvCheckTask() for bit definitions. */
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108 unsigned short usCheckStatus = 0;
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110 /*-----------------------------------------------------------*/
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113 * Setup any hardware required by the demo - other than the RTOS tick which
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114 * is configured when the scheduler is started.
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116 static void prvSetupHardware( void );
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119 * Periodically inspect all the other tasks, updating usCheckStatus should an
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120 * error be discovered in any task.
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122 static void prvCheckTask( void *pvParameters );
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123 /*-----------------------------------------------------------*/
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127 prvSetupHardware();
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129 /* Start the HTTP server task. */
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130 xTaskCreate( vHTTPTask, "WizNet", configMINIMAL_STACK_SIZE, NULL, mainHTTP_TASK_PRIORITY, NULL );
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132 /* Start the demo/test application tasks. See the demo application
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133 section of the FreeRTOS.org WEB site for more information. */
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134 vStartIntegerMathTasks( tskIDLE_PRIORITY );
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135 vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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136 vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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137 vStartDynamicPriorityTasks();
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138 vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
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139 vStartComTestTasks( mainCOM_TEST_PRIORITY, serCOM2, ser57600 );
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141 /* Start the task that checks the other demo tasks for errors. */
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142 xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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144 /* The suicide tasks must be created last as they monitor the number of
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145 tasks in the system to ensure there are no more or fewer than expected
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146 compared to the number that were executing when the task started. */
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147 vCreateSuicidalTasks( mainSUICIDE_TASKS_PRIORITY );
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149 /* Finally start the scheduler. */
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150 vTaskStartScheduler();
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152 /* Should not get here! */
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155 /*-----------------------------------------------------------*/
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157 static void prvSetupHardware( void )
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161 /*-----------------------------------------------------------*/
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163 static void prvCheckTask( void *pvParameters )
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165 ( void ) pvParameters;
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167 /* Check all the demo tasks to ensure that they are all still running, and
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168 that none of them have detected an error. */
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171 /* Block until it is time to check again. */
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172 vTaskDelay( mainCHECK_DELAY );
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174 if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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176 usCheckStatus |= 0x01;
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179 if( xArePollingQueuesStillRunning() != pdTRUE )
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181 usCheckStatus |= 0x02;
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184 if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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186 usCheckStatus |= 0x04;
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189 if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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191 usCheckStatus |= 0x08;
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194 if( xAreBlockingQueuesStillRunning() != pdTRUE )
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196 usCheckStatus |= 0x10;
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199 if( xIsCreateTaskStillRunning() != pdTRUE )
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201 usCheckStatus |= 0x20;
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204 if( xAreComTestTasksStillRunning() != pdTRUE )
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206 usCheckStatus |= 0x40;
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210 /*-----------------------------------------------------------*/
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212 /* This is included to prevent link errors - allowing the 'full' version of
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213 the comtest tasks to be used. It can be ignored. */
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214 void vPrintDisplayMessage( const char * const * ppcMessageToSend )
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216 ( void ) ppcMessageToSend;
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