blob: c596707a63e4c81194b7878937466e98d1b15dcb [file] [log] [blame]
/*
FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that has become a de facto standard. *
* *
* Help yourself get started quickly and support the FreeRTOS *
* project by purchasing a FreeRTOS tutorial book, reference *
* manual, or both from: http://www.FreeRTOS.org/Documentation *
* *
* Thank you! *
* *
***************************************************************************
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. Full license text is available from the following
link: http://www.freertos.org/a00114.html
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, books, training, latest versions,
license and Real Time Engineers Ltd. contact details.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and middleware.
http://www.SafeRTOS.com - 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.
1 tab == 4 spaces!
*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
/* Application includes. */
#include "tcp.h"
/* Misc constants. */
#define tcpPOLL_DELAY ( ( TickType_t ) 12 / portTICK_PERIOD_MS )
#define tcpCONNECTION_DELAY ( ( TickType_t ) 8 / portTICK_PERIOD_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 );
}
}