20100923-V6.1.0-RC2/Demo/WizNET_DEMO_TERN_186/main.c

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+/*
+    FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+    ***************************************************************************
+    *                                                                         *
+    * If you are:                                                             *
+    *                                                                         *
+    *    + New to FreeRTOS,                                                   *
+    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
+    *    + Looking for basic training,                                        *
+    *    + Wanting to improve your FreeRTOS skills and productivity           *
+    *                                                                         *
+    * then take a look at the FreeRTOS books - available as PDF or paperback  *
+    *                                                                         *
+    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
+    *                  http://www.FreeRTOS.org/Documentation                  *
+    *                                                                         *
+    * A pdf reference manual is also available.  Both are usually delivered   *
+    * to your inbox within 20 minutes to two hours when purchased between 8am *
+    * and 8pm GMT (although please allow up to 24 hours in case of            *
+    * exceptional circumstances).  Thank you for your support!                *
+    *                                                                         *
+    ***************************************************************************
+
+    This file is part of the FreeRTOS distribution.
+
+    FreeRTOS is free software; you can redistribute it and/or modify it under
+    the terms of the GNU General Public License (version 2) as published by the
+    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+    ***NOTE*** The exception to the GPL is included to allow you to distribute
+    a combined work that includes FreeRTOS without being obliged to provide the
+    source code for proprietary components outside of the FreeRTOS kernel.
+    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+    more details. You should have received a copy of the GNU General Public 
+    License and the FreeRTOS license exception along with FreeRTOS; if not it 
+    can be viewed here: http://www.freertos.org/a00114.html and also obtained 
+    by writing to Richard Barry, contact details for whom are available on the
+    FreeRTOS WEB site.
+
+    1 tab == 4 spaces!
+
+    http://www.FreeRTOS.org - Documentation, latest information, license and
+    contact details.
+
+    http://www.SafeRTOS.com - A version that is certified for use in safety
+    critical systems.
+
+    http://www.OpenRTOS.com - Commercial support, development, porting,
+    licensing and training services.
+*/
+
+/*
+ * Creates all the demo application tasks then starts the scheduler.  In 
+ * addition to the standard demo application tasks main() creates the 
+ * HTTPServer task, and a "Check" task.  The Check task periodically inspects
+ * all the other tasks in the system to see if any errors have been reported.
+ * The error status is then displayed on the served WEB page.
+ */
+
+/* Tern includes. */
+#include <ae.h>
+#include <embedded.h>
+
+/* FreeRTOS.org includes. */
+#include <FreeRTOS.h>
+#include <task.h>
+
+/* Demo application includes. */
+#include "HTTPTask.h"
+#include "integer.h"
+#include "PollQ.h"
+#include "semtest.h"
+#include "dynamic.h"
+#include "BlockQ.h"
+#include "death.h"
+#include "serial.h"
+#include "comtest.h"
+
+/* How often should the "check" task execute? */
+#define mainCHECK_DELAY		( 3000 / portTICK_RATE_MS )
+
+/* Priorities allocated to the various tasks. */
+#define mainQUEUE_POLL_PRIORITY		( tskIDLE_PRIORITY + 2 )
+#define mainCHECK_TASK_PRIORITY		( tskIDLE_PRIORITY + 4 )
+#define mainSEM_TEST_PRIORITY		( tskIDLE_PRIORITY + 1 )
+#define mainBLOCK_Q_PRIORITY		( tskIDLE_PRIORITY + 2 )
+#define mainHTTP_TASK_PRIORITY		( tskIDLE_PRIORITY + 3 )
+#define mainSUICIDE_TASKS_PRIORITY  ( tskIDLE_PRIORITY + 1 )
+#define mainCOM_TEST_PRIORITY		( tskIDLE_PRIORITY + 2 )
+
+/* Used to indicate the error status.  A value of 0 means that an error has not
+been detected in any task.  A non zero value indicates which group of demo 
+tasks has reported an error.  See prvCheckTask() for bit definitions. */
+unsigned short usCheckStatus = 0;
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Setup any hardware required by the demo - other than the RTOS tick which
+ * is configured when the scheduler is started.
+ */
+static void prvSetupHardware( void );
+
+/*
+ * Periodically inspect all the other tasks, updating usCheckStatus should an
+ * error be discovered in any task.
+ */
+static void prvCheckTask( void *pvParameters );
+/*-----------------------------------------------------------*/
+
+void main(void)
+{
+	prvSetupHardware();
+
+    /* Start the HTTP server task. */
+	xTaskCreate( vHTTPTask, "WizNet", configMINIMAL_STACK_SIZE, NULL, mainHTTP_TASK_PRIORITY, NULL );
+
+	/* Start the demo/test application tasks.  See the demo application 
+	section of the FreeRTOS.org WEB site for more information. */
+	vStartIntegerMathTasks( tskIDLE_PRIORITY );
+	vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
+	vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
+  	vStartDynamicPriorityTasks();
+	vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
+    vStartComTestTasks( mainCOM_TEST_PRIORITY, serCOM2, ser57600 );
+
+	/* Start the task that checks the other demo tasks for errors. */
+    xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
+
+	/* The suicide tasks must be created last as they monitor the number of
+	tasks in the system to ensure there are no more or fewer than expected
+	compared to the number that were executing when the task started. */
+   	vCreateSuicidalTasks( mainSUICIDE_TASKS_PRIORITY );
+        
+	/* Finally start the scheduler. */
+    vTaskStartScheduler();
+
+	/* Should not get here! */
+	for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+static void prvSetupHardware( void )
+{
+	ae_init();
+}
+/*-----------------------------------------------------------*/
+
+static void prvCheckTask( void *pvParameters )
+{
+	( void ) pvParameters;
+
+	/* Check all the demo tasks to ensure that they are all still running, and
+    that none of them have detected	an error. */
+    for( ;; )
+    {
+		/* Block until it is time to check again. */
+    	vTaskDelay( mainCHECK_DELAY );
+        
+		if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
+		{
+			usCheckStatus |= 0x01;
+		}
+
+		if( xArePollingQueuesStillRunning() != pdTRUE )
+		{
+			usCheckStatus |= 0x02;
+		}
+
+		if( xAreSemaphoreTasksStillRunning() != pdTRUE )
+		{
+			usCheckStatus |= 0x04;
+		}
+
+		if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
+		{
+			usCheckStatus |= 0x08;
+		}
+
+		if( xAreBlockingQueuesStillRunning() != pdTRUE )
+		{
+			usCheckStatus |= 0x10;
+		}
+
+        if( xIsCreateTaskStillRunning() != pdTRUE )
+        {
+        	usCheckStatus |= 0x20;
+        }
+
+        if( xAreComTestTasksStillRunning() != pdTRUE )
+        {
+        	usCheckStatus |= 0x40;
+        }
+	}
+}
+/*-----------------------------------------------------------*/
+
+/* This is included to prevent link errors - allowing the 'full' version of
+the comtest tasks to be used.  It can be ignored. */
+void vPrintDisplayMessage( const char * const * ppcMessageToSend )
+{
+	( void ) ppcMessageToSend;
+}
+
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