2 FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
\r
4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
\r
5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
\r
7 ***************************************************************************
\r
9 * FreeRTOS tutorial books are available in pdf and paperback. *
\r
10 * Complete, revised, and edited pdf reference manuals are also *
\r
13 * Purchasing FreeRTOS documentation will not only help you, by *
\r
14 * ensuring you get running as quickly as possible and with an *
\r
15 * in-depth knowledge of how to use FreeRTOS, it will also help *
\r
16 * the FreeRTOS project to continue with its mission of providing *
\r
17 * professional grade, cross platform, de facto standard solutions *
\r
18 * for microcontrollers - completely free of charge! *
\r
20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
\r
22 * Thank you for using FreeRTOS, and thank you for your support! *
\r
24 ***************************************************************************
\r
27 This file is part of the FreeRTOS distribution.
\r
29 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
30 the terms of the GNU General Public License (version 2) as published by the
\r
31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
\r
33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
\r
34 distribute a combined work that includes FreeRTOS without being obliged to
\r
35 provide the source code for proprietary components outside of the FreeRTOS
\r
38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
\r
39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
\r
40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
\r
41 details. You should have received a copy of the GNU General Public License
\r
42 and the FreeRTOS license exception along with FreeRTOS; if not itcan be
\r
43 viewed here: http://www.freertos.org/a00114.html and also obtained by
\r
44 writing to Real Time Engineers Ltd., contact details for whom are available
\r
45 on the FreeRTOS WEB site.
\r
49 ***************************************************************************
\r
51 * Having a problem? Start by reading the FAQ "My application does *
\r
52 * not run, what could be wrong?" *
\r
54 * http://www.FreeRTOS.org/FAQHelp.html *
\r
56 ***************************************************************************
\r
59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
\r
60 license and Real Time Engineers Ltd. contact details.
\r
62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
\r
63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
\r
64 fully thread aware and reentrant UDP/IP stack.
\r
66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
\r
67 Integrity Systems, who sell the code with commercial support,
\r
68 indemnification and middleware, under the OpenRTOS brand.
\r
70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
\r
71 engineered and independently SIL3 certified version for use in safety and
\r
72 mission critical applications that require provable dependability.
\r
75 /* Standard includes. */
\r
78 /* Scheduler includes. */
\r
79 #include "FreeRTOS.h"
\r
84 #include "net/uip.h"
\r
85 #include "net/uip_arp.h"
\r
86 #include "apps/httpd/httpd.h"
\r
87 #include "sys/timer.h"
\r
88 #include "net/clock-arch.h"
\r
90 /* Demo includes. */
\r
91 #include "ParTest.h"
\r
93 /* Hardware includes. */
\r
94 #include "hwEthernet.h"
\r
96 /*-----------------------------------------------------------*/
\r
98 /* How long to wait before attempting to connect the MAC again. */
\r
99 #define uipINIT_WAIT ( 100 / portTICK_RATE_MS )
\r
101 /* Shortcut to the header within the Rx buffer. */
\r
102 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
\r
104 /* Standard constant. */
\r
105 #define uipTOTAL_FRAME_HEADER_SIZE 54
\r
107 /*-----------------------------------------------------------*/
\r
110 * Setup the MAC address in the MAC itself, and in the uIP stack.
\r
112 static void prvSetMACAddress( void );
\r
115 * Port functions required by the uIP stack.
\r
117 void clock_init( void );
\r
118 clock_time_t clock_time( void );
\r
120 /*-----------------------------------------------------------*/
\r
122 /* The semaphore used by the ISR to wake the uIP task. */
\r
123 xSemaphoreHandle xEMACSemaphore = NULL;
\r
125 /*-----------------------------------------------------------*/
\r
127 void clock_init(void)
\r
129 /* This is done when the scheduler starts. */
\r
131 /*-----------------------------------------------------------*/
\r
133 clock_time_t clock_time( void )
\r
135 return xTaskGetTickCount();
\r
137 /*-----------------------------------------------------------*/
\r
139 void vuIP_Task( void *pvParameters )
\r
142 uip_ipaddr_t xIPAddr;
\r
143 struct timer periodic_timer, arp_timer;
\r
144 extern void ( vEMAC_ISR_Wrapper )( void );
\r
146 ( void ) pvParameters;
\r
148 /* Initialise the uIP stack. */
\r
149 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
\r
150 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
\r
152 uip_ipaddr( &xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
\r
153 uip_sethostaddr( &xIPAddr );
\r
154 uip_ipaddr( &xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
\r
155 uip_setnetmask( &xIPAddr );
\r
156 prvSetMACAddress();
\r
159 /* Create the semaphore used to wake the uIP task. */
\r
160 vSemaphoreCreateBinary( xEMACSemaphore );
\r
162 /* Initialise the MAC. */
\r
165 while( lEMACWaitForLink() != pdPASS )
\r
167 vTaskDelay( uipINIT_WAIT );
\r
172 /* Is there received data ready to be processed? */
\r
173 uip_len = ( unsigned short ) ulEMACRead();
\r
175 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
\r
177 /* Standard uIP loop taken from the uIP manual. */
\r
178 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
\r
183 /* If the above function invocation resulted in data that
\r
184 should be sent out on the network, the global variable
\r
185 uip_len is set to a value > 0. */
\r
192 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
\r
196 /* If the above function invocation resulted in data that
\r
197 should be sent out on the network, the global variable
\r
198 uip_len is set to a value > 0. */
\r
207 if( timer_expired( &periodic_timer ) && ( uip_buf != NULL ) )
\r
209 timer_reset( &periodic_timer );
\r
210 for( i = 0; i < UIP_CONNS; i++ )
\r
214 /* If the above function invocation resulted in data that
\r
215 should be sent out on the network, the global variable
\r
216 uip_len is set to a value > 0. */
\r
224 /* Call the ARP timer function every 10 seconds. */
\r
225 if( timer_expired( &arp_timer ) )
\r
227 timer_reset( &arp_timer );
\r
233 /* We did not receive a packet, and there was no periodic
\r
234 processing to perform. Block for a fixed period. If a packet
\r
235 is received during this period we will be woken by the ISR
\r
236 giving us the Semaphore. */
\r
237 xSemaphoreTake( xEMACSemaphore, configTICK_RATE_HZ / 2 );
\r
242 /*-----------------------------------------------------------*/
\r
244 static void prvSetMACAddress( void )
\r
246 struct uip_eth_addr xAddr;
\r
248 /* Configure the MAC address in the uIP stack. */
\r
249 xAddr.addr[ 0 ] = configMAC_ADDR0;
\r
250 xAddr.addr[ 1 ] = configMAC_ADDR1;
\r
251 xAddr.addr[ 2 ] = configMAC_ADDR2;
\r
252 xAddr.addr[ 3 ] = configMAC_ADDR3;
\r
253 xAddr.addr[ 4 ] = configMAC_ADDR4;
\r
254 xAddr.addr[ 5 ] = configMAC_ADDR5;
\r
255 uip_setethaddr( xAddr );
\r
257 /*-----------------------------------------------------------*/
\r
259 void vApplicationProcessFormInput( char *pcInputString )
\r
263 /* Process the form input sent by the IO page of the served HTML. */
\r
265 c = strstr( pcInputString, "?" );
\r
268 /* Turn the FIO1 LED's on or off in accordance with the check box status. */
\r
269 if( strstr( c, "LED0=1" ) != NULL )
\r
271 /* Turn LED 4 on. */
\r
272 vParTestSetLED( 4, 1 );
\r
276 /* Turn LED 4 off. */
\r
277 vParTestSetLED( 4, 0 );
\r