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FreeRTOS V7.4.1 - Copyright (C) 2013 Real Time Engineers Ltd.
* *
* FreeRTOS tutorial books are available in pdf and paperback. *
* Complete, revised, and edited pdf reference manuals are also *
* available. *
* *
* Purchasing FreeRTOS documentation will not only help you, by *
* ensuring you get running as quickly as possible and with an *
* in-depth knowledge of how to use FreeRTOS, it will also help *
* the FreeRTOS project to continue with its mission of providing *
* professional grade, cross platform, de facto standard solutions *
* for microcontrollers - completely free of charge! *
* *
* >>> See for details. <<< *
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* Thank you for using FreeRTOS, and 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 modification 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
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: and also obtained by
writing to Real Time Engineers Ltd., contact details for whom are available
on the FreeRTOS WEB site.
1 tab == 4 spaces!
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* Having a problem? Start by reading the FAQ "My application does *
* not run, what could be wrong?" *
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*************************************************************************** - Documentation, books, training, latest versions,
license and Real Time Engineers Ltd. contact details. - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, and our new
fully thread aware and reentrant UDP/IP stack. - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
indemnification and middleware, under the OpenRTOS brand. - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
/* Standard includes. */
#include <stdio.h>
#include <stdint.h>
/* FreeRTOS includes. */
#include <FreeRTOS.h>
#include "task.h"
/* This application is using the FreeRTOS Windows simulator, which uses the
FreeRTOS scheduler to schedule FreeRTOS task within the Windows environment.
The Windows environment must not be allowed to block any Windows threads that
are running FreeRTOS tasks, unless the FreeRTOS task is running at the FreeRTOS
idle priority. For simplicity, this demo uses the Windows TCP/IP stack, the
API for which can cause Windows threads to block. Therefore, any FreeRTOS task
that makes calls to the Windows TCP/IP stack must be assigned the idle priority.
Note this is only a restriction of the simulated Windows environment - real
FreeRTOS ports do not have this restriction. */
* The task that implements the server side.
extern void vSecureTCPServerTask( void *pvParameters );
int main( void )
const uint32_t ulLongTime_ms = 250UL;
/* Create the TCP server task. This will itself create the client task
once it has completed the CyaSSL initialisation. */
xTaskCreate( vSecureTCPServerTask, ( signed char * ) "Server", configMINIMAL_STACK_SIZE, NULL, mainSECURE_SERVER_TASK_PRIORITY, NULL );
/* Start the task running. */
/* If all is well, the scheduler will now be running, and the following
line will never be reached. If the following line does execute, then
there was insufficient FreeRTOS heap memory available for the idle and/or
timer tasks to be created. See the memory management section on the
FreeRTOS web site for more details (this is standard text that is not not
really applicable to the Win32 simulator port). */
for( ;; )
Sleep( ulLongTime_ms );
void vApplicationIdleHook( void )
const unsigned long ulMSToSleep = 5;
/* This function is called on each cycle of the idle task if
configUSE_IDLE_HOOK is set to 1 in FreeRTOSConfig.h. Sleep to reduce CPU
load. */
Sleep( ulMSToSleep );
void vAssertCalled( void )
const unsigned long ulLongSleep = 1000UL;
for( ;; )
Sleep( ulLongSleep );