/* | |
FreeRTOS.org V5.3.1 - Copyright (C) 2003-2009 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
FreeRTOS.org 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 exception to the GPL is included to allow you to distribute a | |
combined work that includes FreeRTOS.org without being obliged to provide | |
the source code for any proprietary components. Alternative commercial | |
license and support terms are also available upon request. See the | |
licensing section of http://www.FreeRTOS.org for full details. | |
FreeRTOS.org 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 along | |
with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59 | |
Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
*************************************************************************** | |
* * | |
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation * | |
* * | |
* This is a concise, step by step, 'hands on' guide that describes both * | |
* general multitasking concepts and FreeRTOS specifics. It presents and * | |
* explains numerous examples that are written using the FreeRTOS API. * | |
* Full source code for all the examples is provided in an accompanying * | |
* .zip file. * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
Please ensure to read the configuration and relevant port sections of the | |
online documentation. | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
/* 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 ); | |
} | |
} | |