You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
5.4 KiB
C
124 lines
5.4 KiB
C
/*
|
|
FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd.
|
|
All rights reserved
|
|
|
|
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
|
|
|
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 on the following
|
|
link: http://www.freertos.org/a00114.html
|
|
|
|
***************************************************************************
|
|
* *
|
|
* FreeRTOS provides completely free yet professionally developed, *
|
|
* robust, strictly quality controlled, supported, and cross *
|
|
* platform software that is more than just the market leader, it *
|
|
* is the industry's de facto standard. *
|
|
* *
|
|
* Help yourself get started quickly while simultaneously helping *
|
|
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
|
* tutorial book, reference manual, or both: *
|
|
* http://www.FreeRTOS.org/Documentation *
|
|
* *
|
|
***************************************************************************
|
|
|
|
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
|
the FAQ page "My application does not run, what could be wrong?". Have you
|
|
defined configASSERT()?
|
|
|
|
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
|
embedded software for free we request you assist our global community by
|
|
participating in the support forum.
|
|
|
|
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
|
be as productive as possible as early as possible. Now you can receive
|
|
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
|
Ltd, and the world's leading authority on the world's leading RTOS.
|
|
|
|
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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
|
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
|
|
|
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
|
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
|
licenses offer ticketed support, indemnification and commercial 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 );
|
|
}
|
|
}
|
|
|