/* | |
FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* If you are: * | |
* * | |
* + New to FreeRTOS, * | |
* + Wanting to learn FreeRTOS or multitasking in general quickly * | |
* + Looking for basic training, * | |
* + Wanting to improve your FreeRTOS skills and productivity * | |
* * | |
* then take a look at the FreeRTOS books - available as PDF or paperback * | |
* * | |
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" * | |
* http://www.FreeRTOS.org/Documentation * | |
* * | |
* A pdf reference manual is also available. Both are usually delivered * | |
* to your inbox within 20 minutes to two hours when purchased between 8am * | |
* and 8pm GMT (although please allow up to 24 hours in case of * | |
* exceptional circumstances). 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 exception 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! | |
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 ); | |
} | |
} | |