2 FreeRTOS V7.5.1 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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66 * Creates all the demo application tasks then starts the scheduler. In
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67 * addition to the standard demo application tasks main() creates the
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68 * HTTPServer task, and a "Check" task. The Check task periodically inspects
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69 * all the other tasks in the system to see if any errors have been reported.
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70 * The error status is then displayed on the served WEB page.
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73 /* Tern includes. */
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75 #include <embedded.h>
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77 /* FreeRTOS.org includes. */
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78 #include <FreeRTOS.h>
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81 /* Demo application includes. */
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82 #include "HTTPTask.h"
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83 #include "integer.h"
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85 #include "semtest.h"
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86 #include "dynamic.h"
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90 #include "comtest.h"
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92 /* How often should the "check" task execute? */
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93 #define mainCHECK_DELAY ( 3000 / portTICK_RATE_MS )
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95 /* Priorities allocated to the various tasks. */
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96 #define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
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97 #define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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98 #define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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99 #define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
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100 #define mainHTTP_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
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101 #define mainSUICIDE_TASKS_PRIORITY ( tskIDLE_PRIORITY + 1 )
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102 #define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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104 /* Used to indicate the error status. A value of 0 means that an error has not
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105 been detected in any task. A non zero value indicates which group of demo
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106 tasks has reported an error. See prvCheckTask() for bit definitions. */
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107 unsigned short usCheckStatus = 0;
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109 /*-----------------------------------------------------------*/
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112 * Setup any hardware required by the demo - other than the RTOS tick which
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113 * is configured when the scheduler is started.
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115 static void prvSetupHardware( void );
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118 * Periodically inspect all the other tasks, updating usCheckStatus should an
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119 * error be discovered in any task.
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121 static void prvCheckTask( void *pvParameters );
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122 /*-----------------------------------------------------------*/
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126 prvSetupHardware();
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128 /* Start the HTTP server task. */
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129 xTaskCreate( vHTTPTask, "WizNet", configMINIMAL_STACK_SIZE, NULL, mainHTTP_TASK_PRIORITY, NULL );
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131 /* Start the demo/test application tasks. See the demo application
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132 section of the FreeRTOS.org WEB site for more information. */
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133 vStartIntegerMathTasks( tskIDLE_PRIORITY );
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134 vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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135 vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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136 vStartDynamicPriorityTasks();
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137 vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
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138 vStartComTestTasks( mainCOM_TEST_PRIORITY, serCOM2, ser57600 );
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140 /* Start the task that checks the other demo tasks for errors. */
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141 xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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143 /* The suicide tasks must be created last as they monitor the number of
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144 tasks in the system to ensure there are no more or fewer than expected
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145 compared to the number that were executing when the task started. */
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146 vCreateSuicidalTasks( mainSUICIDE_TASKS_PRIORITY );
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148 /* Finally start the scheduler. */
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149 vTaskStartScheduler();
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151 /* Should not get here! */
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154 /*-----------------------------------------------------------*/
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156 static void prvSetupHardware( void )
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160 /*-----------------------------------------------------------*/
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162 static void prvCheckTask( void *pvParameters )
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164 ( void ) pvParameters;
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166 /* Check all the demo tasks to ensure that they are all still running, and
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167 that none of them have detected an error. */
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170 /* Block until it is time to check again. */
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171 vTaskDelay( mainCHECK_DELAY );
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173 if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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175 usCheckStatus |= 0x01;
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178 if( xArePollingQueuesStillRunning() != pdTRUE )
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180 usCheckStatus |= 0x02;
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183 if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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185 usCheckStatus |= 0x04;
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188 if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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190 usCheckStatus |= 0x08;
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193 if( xAreBlockingQueuesStillRunning() != pdTRUE )
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195 usCheckStatus |= 0x10;
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198 if( xIsCreateTaskStillRunning() != pdTRUE )
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200 usCheckStatus |= 0x20;
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203 if( xAreComTestTasksStillRunning() != pdTRUE )
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205 usCheckStatus |= 0x40;
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209 /*-----------------------------------------------------------*/
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211 /* This is included to prevent link errors - allowing the 'full' version of
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212 the comtest tasks to be used. It can be ignored. */
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213 void vPrintDisplayMessage( const char * const * ppcMessageToSend )
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215 ( void ) ppcMessageToSend;
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