/* | |
FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd. | |
FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
*************************************************************************** | |
* * | |
* 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 http://www.FreeRTOS.org/Documentation 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 | |
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! | |
*************************************************************************** | |
* * | |
* Having a problem? Start by reading the FAQ "My application does * | |
* not run, what could be wrong?" * | |
* * | |
* http://www.FreeRTOS.org/FAQHelp.html * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org - Documentation, training, latest versions, license | |
and contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool. | |
Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell | |
the code with commercial support, indemnification, and middleware, under | |
the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also | |
provide a safety engineered and independently SIL3 certified version under | |
the SafeRTOS brand: http://www.SafeRTOS.com. | |
*/ | |
/* 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. */ | |
vTCPHardReset(); | |
/* 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. */ | |
vTCPListen(); | |
/* Process connections as they arrive. This function will only | |
return once the connection has been closed. */ | |
lProcessConnection(); | |
} | |
} | |
/* If we get here then the connection completed or failed. Wait a | |
while then try or start again. */ | |
vTaskDelay( tcpCONNECTION_DELAY ); | |
} | |
} | |