text: /*
   * FreeRTOS Kernel V10.1.1
   * Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of
   * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
   * the Software, and to permit persons to whom the Software is furnished to do so,
   * subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
   * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
   * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   * http://www.FreeRTOS.org
   * http://aws.amazon.com/freertos
   *
   * 1 tab == 4 spaces!
   */
  
  /* Environment includes. */
  #include <targets/LPC2368.h>
  
  /* Scheduler includes. */
  #include "FreeRTOS.h"
  #include "task.h"
  #include "queue.h"
  #include "semphr.h"
  
  /* Demo app includes. */
  #include "BlockQ.h"
  #include "death.h"
  #include "integer.h"
  #include "blocktim.h"
  #include "portlcd.h"
  #include "flash.h"
  #include "partest.h"
  #include "semtest.h"
  #include "PollQ.h"
  
  /* Demo application definitions. */
  #define mainQUEUE_SIZE						( 3 )
  #define mainCHECK_DELAY						( ( TickType_t ) 5000 / portTICK_PERIOD_MS )
  #define mainBASIC_WEB_STACK_SIZE            ( configMINIMAL_STACK_SIZE * 2 )
  
  /* Task priorities. */
  #define mainQUEUE_POLL_PRIORITY				( tskIDLE_PRIORITY + 2 )
  #define mainCHECK_TASK_PRIORITY				( tskIDLE_PRIORITY + 3 )
  #define mainSEM_TEST_PRIORITY				( tskIDLE_PRIORITY + 1 )
  #define mainBLOCK_Q_PRIORITY				( tskIDLE_PRIORITY + 2 )
  #define mainFLASH_PRIORITY                  ( tskIDLE_PRIORITY + 2 )
  #define mainCREATOR_TASK_PRIORITY           ( tskIDLE_PRIORITY + 3 )
  #define mainINTEGER_TASK_PRIORITY           ( tskIDLE_PRIORITY )
  
  
  /*
   * Checks the status of all the demo tasks then prints a message to the
   * CrossStudio terminal IO windows.  The message will be either PASS or FAIL
   * depending on the status of the demo applications tasks.  A FAIL status will
   * be latched.
   *
   * Messages are not written directly to the terminal, but passed to vPrintTask
   * via a queue.
   */
  static void vCheckTask( void *pvParameters );
  
  /*
   * The task that handles the uIP stack.  All TCP/IP processing is performed in
   * this task.
   */
  extern void vuIP_Task( void *pvParameters );
  
  /*
   * The LCD is written two by more than one task so is controlled by a
   * 'gatekeeper' task.  This is the only task that is actually permitted to
   * access the LCD directly.  Other tasks wanting to display a message send
   * the message to the gatekeeper.
   */
  static void vLCDTask( void *pvParameters );
  
  /* The queue used to send messages to the LCD task. */
  QueueHandle_t xLCDQueue;
  
  /*-----------------------------------------------------------*/
  
  int main (void)
  {
  	/* Setup the led's on the MCB2300 board */
  	vParTestInitialise();
  
  	/* Create the queue used by the LCD task.  Messages for display on the LCD
  	are received via this queue. */
  	xLCDQueue = xQueueCreate( mainQUEUE_SIZE, sizeof( xLCDMessage ) );
  
  	/* Create the lwIP task.  This uses the lwIP RTOS abstraction layer.*/
      xTaskCreate( vuIP_Task, "uIP", mainBASIC_WEB_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY - 1, NULL );
  
  	/* Start the standard demo tasks - these serve no useful purpose other than
  	to demonstrate the FreeRTOS API being used and to test the port. */
  	vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
      vCreateBlockTimeTasks();
      vStartLEDFlashTasks( mainFLASH_PRIORITY );
      vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
      vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
      vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
  
  	/* Start the tasks defined within this file/specific to this demo. */
      xTaskCreate( vCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
  	xTaskCreate( vLCDTask, "LCD", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY - 1, NULL );
  
  	/* The suicide tasks must be created last as they need to know how many
  	tasks were running prior to their creation in order to ascertain whether
  	or not the correct/expected number of tasks are running at any given time. */
      vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
  
  	/* Start the scheduler. */
  	vTaskStartScheduler();
  
      /* Will only get here if there was insufficient memory to create the idle
      task. */
  	return 0;
  }
  /*-----------------------------------------------------------*/
  
  static void vCheckTask( void *pvParameters )
  {
  portBASE_TYPE xErrorOccurred = pdFALSE;
  TickType_t xLastExecutionTime;
  unsigned portBASE_TYPE uxColumn = 0;
  xLCDMessage xMessage;
  
  	xLastExecutionTime = xTaskGetTickCount();
  
  	xMessage.xColumn = 0;
  	xMessage.pcMessage = "PASS";
  
      for( ;; )
  	{
  		/* Perform this check every mainCHECK_DELAY milliseconds. */
  		vTaskDelayUntil( &xLastExecutionTime, mainCHECK_DELAY );
  
  		/* Has an error been found in any task? */
  
          if( xAreBlockingQueuesStillRunning() != pdTRUE )
  		{
  			xErrorOccurred = pdTRUE;
  		}
  
  		if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
  		{
  			xErrorOccurred = pdTRUE;
  		}
  
          if( xAreSemaphoreTasksStillRunning() != pdTRUE )
          {
              xErrorOccurred = pdTRUE;
          }
  
          if( xArePollingQueuesStillRunning() != pdTRUE )
          {
              xErrorOccurred = pdTRUE;
          }
  
          if( xIsCreateTaskStillRunning() != pdTRUE )
          {
              xErrorOccurred = pdTRUE;
          }
  
          if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
          {
              xErrorOccurred = pdTRUE;
          }
  
          LCD_cls();
          xMessage.xColumn++;
          LCD_gotoxy( ( uxColumn & 0x07 ) + 1, ( uxColumn & 0x01 ) + 1 );
  
          if( xErrorOccurred == pdTRUE )
          {
              xMessage.pcMessage = "FAIL";
          }
  
  		/* Send the message to the LCD gatekeeper for display. */
  		xQueueSend( xLCDQueue, &xMessage, portMAX_DELAY );
  	}
  }
  /*-----------------------------------------------------------*/
  
  void vLCDTask( void *pvParameters )
  {
  xLCDMessage xMessage;
  
  	/* Initialise the LCD and display a startup message. */
  	LCD_init();
  	LCD_cur_off();
      LCD_cls();
      LCD_gotoxy( 1, 1 );
      LCD_puts( ( signed char * ) "www.FreeRTOS.org" );
  
  	for( ;; )
  	{
  		/* Wait for a message to arrive that requires displaying. */
  		while( xQueueReceive( xLCDQueue, &xMessage, portMAX_DELAY ) != pdPASS );
  
  		/* Display the message.  Print each message to a different position. */
  		LCD_cls();
  		LCD_gotoxy( ( xMessage.xColumn & 0x07 ) + 1, ( xMessage.xColumn & 0x01 ) + 1 );
  		LCD_puts( xMessage.pcMessage );
  	}
  
  }
  /*-----------------------------------------------------------*/
  
  /* Keep the compiler quiet. */
  #include <stdio.h>
  int __putchar( int c )
  {
      return EOF;
  }
  
  
  
  
  
  