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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. <<< *
* *
* 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!
* *
* Having a problem? Start by reading the FAQ "My application does *
* not run, what could be wrong?" *
* *
* *
* *
*************************************************************************** - 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 <stdlib.h>
/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
/* Application includes. */
#include "tcp.h"
/* Misc constants. */
#define tcpPOLL_DELAY ( ( portTickType ) 12 / portTICK_RATE_MS )
#define tcpCONNECTION_DELAY ( ( portTickType ) 8 / portTICK_RATE_MS )
* This task initialises the hardware then processes one TCP connection at a
* time. When an HTTP client connects we just simply send a single page then
* disconnect - reset the socket data and wait for the next connection.
void vHTTPServerTask( void *pvParameters )
/* Reset the network hardware. */
/* Loop, processing connections are they arrive. */
for( ;; )
/* Initialise the TCP interface.
The current minimal implementation does not check for buffer overflows
in the WIZnet hardware, so simply resets all the buffers for each
connection - and only processes one connection at a time. */
if( lTCPSoftReset() )
/* Create the socket that is going to accept incoming connections. */
if( lTCPCreateSocket() )
/* Wait for a connection. */
/* Process connections as they arrive. This function will only
return once the connection has been closed. */
/* If we get here then the connection completed or failed. Wait a
while then try or start again. */
vTaskDelay( tcpCONNECTION_DELAY );