/* | |
FreeRTOS V8.2.2 - Copyright (C) 2015 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 <string.h> | |
/* Scheduler includes. */ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
#include "semphr.h" | |
/* uip includes. */ | |
#include "uip.h" | |
#include "uip_arp.h" | |
#include "httpd.h" | |
#include "timer.h" | |
#include "clock-arch.h" | |
#include "timer.h" | |
/* Demo includes. */ | |
#include "FEC.h" | |
#include "partest.h" | |
/*-----------------------------------------------------------*/ | |
/* Shortcut to the header within the Rx buffer. */ | |
#define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ]) | |
/*-----------------------------------------------------------*/ | |
/* | |
* Port functions required by the uIP stack. | |
*/ | |
clock_time_t clock_time( void ); | |
/*-----------------------------------------------------------*/ | |
/* The semaphore used by the ISR to wake the uIP task. */ | |
extern SemaphoreHandle_t xFECSemaphore; | |
/*-----------------------------------------------------------*/ | |
clock_time_t clock_time( void ) | |
{ | |
return xTaskGetTickCount(); | |
} | |
void vuIP_Task( void *pvParameters ) | |
{ | |
portBASE_TYPE i; | |
uip_ipaddr_t xIPAddr; | |
struct timer periodic_timer, arp_timer; | |
extern void ( vEMAC_ISR )( void ); | |
/* Just to get rid of the compiler warning. */ | |
( void ) pvParameters; | |
/* Enable/Reset the Ethernet Controller */ | |
/* Create the semaphore used by the ISR to wake this task. */ | |
vSemaphoreCreateBinary( xFECSemaphore ); | |
/* Initialise the uIP stack. */ | |
timer_set( &periodic_timer, configTICK_RATE_HZ / 2 ); | |
timer_set( &arp_timer, configTICK_RATE_HZ * 10 ); | |
uip_init(); | |
uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 ); | |
uip_sethostaddr( xIPAddr ); | |
uip_ipaddr( xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 ); | |
uip_setnetmask( xIPAddr ); | |
httpd_init(); | |
vInitFEC(); | |
for( ;; ) | |
{ | |
/* Is there received data ready to be processed? */ | |
uip_len = ( unsigned short ) ulFECRx(); | |
if( ( uip_len > 0 ) && ( uip_buf != NULL ) ) | |
{ | |
/* Standard uIP loop taken from the uIP manual. */ | |
if( xHeader->type == htons( UIP_ETHTYPE_IP ) ) | |
{ | |
uip_arp_ipin(); | |
uip_input(); | |
/* If the above function invocation resulted in data that | |
should be sent out on the network, the global variable | |
uip_len is set to a value > 0. */ | |
if( uip_len > 0 ) | |
{ | |
uip_arp_out(); | |
vFECTx(); | |
} | |
} | |
else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) ) | |
{ | |
uip_arp_arpin(); | |
/* If the above function invocation resulted in data that | |
should be sent out on the network, the global variable | |
uip_len is set to a value > 0. */ | |
if( uip_len > 0 ) | |
{ | |
vFECTx(); | |
} | |
} | |
} | |
else | |
{ | |
if( ( timer_expired( &periodic_timer ) ) && ( uip_buf != NULL ) ) | |
{ | |
timer_reset( &periodic_timer ); | |
for( i = 0; i < UIP_CONNS; i++ ) | |
{ | |
uip_periodic( i ); | |
/* If the above function invocation resulted in data that | |
should be sent out on the network, the global variable | |
uip_len is set to a value > 0. */ | |
if( uip_len > 0 ) | |
{ | |
uip_arp_out(); | |
vFECTx(); | |
} | |
} | |
/* Call the ARP timer function every 10 seconds. */ | |
if( timer_expired( &arp_timer ) ) | |
{ | |
timer_reset( &arp_timer ); | |
uip_arp_timer(); | |
} | |
} | |
else | |
{ | |
/* We did not receive a packet, and there was no periodic | |
processing to perform. Block for a fixed period. If a packet | |
is received during this period we will be woken by the ISR | |
giving us the Semaphore. */ | |
xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 ); | |
} | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vApplicationProcessFormInput( char *pcInputString, portBASE_TYPE xInputLength ) | |
{ | |
char *c; | |
/* Just to get rid of the compiler warning - other ports/demos use the parameter. */ | |
( void ) xInputLength; | |
/* Process the form input sent by the IO page of the served HTML. */ | |
c = strstr( pcInputString, "?" ); | |
if( c ) | |
{ | |
/* Turn LED's on or off in accordance with the check box status. */ | |
if( strstr( c, "LED3=1" ) != NULL ) | |
{ | |
/* Turn LED 3 on. */ | |
vParTestSetLED( 3, 1 ); | |
} | |
else | |
{ | |
/* Turn LED 3 off. */ | |
vParTestSetLED( 3, 0 ); | |
} | |
} | |
} | |