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jeremybenn |
/*
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FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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* *
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* + New to FreeRTOS, *
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* + Wanting to learn FreeRTOS or multitasking in general quickly *
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* + Looking for basic training, *
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* + Wanting to improve your FreeRTOS skills and productivity *
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* *
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* then take a look at the FreeRTOS books - available as PDF or paperback *
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* *
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* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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* http://www.FreeRTOS.org/Documentation *
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* *
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* A pdf reference manual is also available. Both are usually delivered *
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* to your inbox within 20 minutes to two hours when purchased between 8am *
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* and 8pm GMT (although please allow up to 24 hours in case of *
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* exceptional circumstances). Thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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***NOTE*** The exception to the GPL is included to allow you to distribute
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a combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/* Standard includes. */
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#include <stdlib.h>
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/* Scheduler include files. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Application includes. */
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#include "tcp.h"
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/* Misc constants. */
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#define tcpPOLL_DELAY ( ( portTickType ) 12 / portTICK_RATE_MS )
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#define tcpCONNECTION_DELAY ( ( portTickType ) 8 / portTICK_RATE_MS )
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/*-----------------------------------------------------------*/
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/*
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* This task initialises the hardware then processes one TCP connection at a
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* time. When an HTTP client connects we just simply send a single page then
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* disconnect - reset the socket data and wait for the next connection.
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*/
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void vHTTPServerTask( void *pvParameters )
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{
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/* Reset the network hardware. */
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vTCPHardReset();
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/* Loop, processing connections are they arrive. */
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for( ;; )
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{
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/* Initialise the TCP interface.
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The current minimal implementation does not check for buffer overflows
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in the WIZnet hardware, so simply resets all the buffers for each
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connection - and only processes one connection at a time. */
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if( lTCPSoftReset() )
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{
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/* Create the socket that is going to accept incoming connections. */
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if( lTCPCreateSocket() )
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{
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/* Wait for a connection. */
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vTCPListen();
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/* Process connections as they arrive. This function will only
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return once the connection has been closed. */
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lProcessConnection();
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}
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}
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/* If we get here then the connection completed or failed. Wait a
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while then try or start again. */
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vTaskDelay( tcpCONNECTION_DELAY );
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}
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}
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