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/*
* FreeRTOS Kernel V10.4.1
* Copyright (C) 2020 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;
}
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