2 FreeRTOS V7.4.1 - 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 it can 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
85 #include "net/uip.h"
\r
86 #include "net/uip_arp.h"
\r
87 #include "apps/httpd/httpd.h"
\r
88 #include "sys/timer.h"
\r
89 #include "net/clock-arch.h"
\r
90 #include "r_ether.h"
\r
92 /* Demo includes. */
\r
93 #include "ParTest.h"
\r
95 /*-----------------------------------------------------------*/
\r
97 /* How long to wait before attempting to connect the MAC again. */
\r
98 #define uipINIT_WAIT ( 100 / portTICK_RATE_MS )
\r
100 /* Shortcut to the header within the Rx buffer. */
\r
101 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
\r
103 /* Standard constant. */
\r
104 #define uipTOTAL_FRAME_HEADER_SIZE 54
\r
106 /* The ARP timer and the periodic timer share a callback function, so the
\r
107 respective timer IDs are used to determine which timer actually expired. These
\r
108 constants are assigned to the timer IDs. */
\r
109 #define uipARP_TIMER 0
\r
110 #define uipPERIODIC_TIMER 1
\r
112 /* A block time of zero ticks simply means, "don't block". */
\r
113 #define uipDONT_BLOCK 0UL
\r
115 /*-----------------------------------------------------------*/
\r
118 * Setup the MAC address in the MAC itself, and in the uIP stack.
\r
120 static void prvSetMACAddress( void );
\r
123 * Perform any uIP initialisation necessary.
\r
125 static void prvInitialise_uIP( void );
\r
128 * The callback function that is assigned to both the periodic timer and the
\r
131 static void prvUIPTimerCallback( xTimerHandle xTimer );
\r
134 * Port functions required by the uIP stack.
\r
136 clock_time_t clock_time( void );
\r
138 /*-----------------------------------------------------------*/
\r
140 /* The queue used to send TCP/IP events to the uIP stack. */
\r
141 xQueueHandle xEMACEventQueue = NULL;
\r
143 /*-----------------------------------------------------------*/
\r
145 clock_time_t clock_time( void )
\r
147 return xTaskGetTickCount();
\r
149 /*-----------------------------------------------------------*/
\r
151 void vuIP_Task( void *pvParameters )
\r
154 unsigned long ulNewEvent = 0UL;
\r
155 unsigned long ulUIP_Events = 0UL;
\r
157 ( void ) pvParameters;
\r
159 /* Initialise the uIP stack. */
\r
160 prvInitialise_uIP();
\r
162 /* Initialise the MAC. */
\r
165 while( lEMACWaitForLink() != pdPASS )
\r
167 vTaskDelay( uipINIT_WAIT );
\r
172 if( ( ulUIP_Events & uipETHERNET_RX_EVENT ) != 0UL )
\r
174 /* Is there received data ready to be processed? */
\r
175 uip_len = ( unsigned short ) ulEMACRead();
\r
177 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
\r
179 /* Standard uIP loop taken from the uIP manual. */
\r
180 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
\r
185 /* If the above function invocation resulted in data that
\r
186 should be sent out on the network, the global variable
\r
187 uip_len is set to a value > 0. */
\r
194 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
\r
198 /* If the above function invocation resulted in data that
\r
199 should be sent out on the network, the global variable
\r
200 uip_len is set to a value > 0. */
\r
209 ulUIP_Events &= ~uipETHERNET_RX_EVENT;
\r
213 if( ( ulUIP_Events & uipPERIODIC_TIMER_EVENT ) != 0UL )
\r
215 ulUIP_Events &= ~uipPERIODIC_TIMER_EVENT;
\r
217 for( i = 0; i < UIP_CONNS; i++ )
\r
221 /* If the above function invocation resulted in data that
\r
222 should be sent out on the network, the global variable
\r
223 uip_len is set to a value > 0. */
\r
232 /* Call the ARP timer function every 10 seconds. */
\r
233 if( ( ulUIP_Events & uipARP_TIMER_EVENT ) != 0 )
\r
235 ulUIP_Events &= ~uipARP_TIMER_EVENT;
\r
239 if( ulUIP_Events == pdFALSE )
\r
241 xQueueReceive( xEMACEventQueue, &ulNewEvent, portMAX_DELAY );
\r
242 ulUIP_Events |= ulNewEvent;
\r
246 /*-----------------------------------------------------------*/
\r
248 static void prvInitialise_uIP( void )
\r
250 xTimerHandle xARPTimer, xPeriodicTimer;
\r
251 uip_ipaddr_t xIPAddr;
\r
252 const unsigned long ul_uIPEventQueueLength = 10UL;
\r
254 /* Initialise the uIP stack. */
\r
256 uip_ipaddr( &xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
\r
257 uip_sethostaddr( &xIPAddr );
\r
258 uip_ipaddr( &xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
\r
259 uip_setnetmask( &xIPAddr );
\r
260 prvSetMACAddress();
\r
263 /* Create the queue used to sent TCP/IP events to the uIP stack. */
\r
264 xEMACEventQueue = xQueueCreate( ul_uIPEventQueueLength, sizeof( unsigned long ) );
\r
266 /* Create and start the uIP timers. */
\r
267 xARPTimer = xTimerCreate( ( const signed char * const ) "ARPTimer", /* Just a name that is helpful for debugging, not used by the kernel. */
\r
268 ( 10000UL / portTICK_RATE_MS ), /* Timer period. */
\r
269 pdTRUE, /* Autor-reload. */
\r
270 ( void * ) uipARP_TIMER,
\r
271 prvUIPTimerCallback
\r
274 xPeriodicTimer = xTimerCreate( ( const signed char * const ) "PeriodicTimer",
\r
275 ( 50 / portTICK_RATE_MS ),
\r
276 pdTRUE, /* Autor-reload. */
\r
277 ( void * ) uipPERIODIC_TIMER,
\r
278 prvUIPTimerCallback
\r
281 configASSERT( xARPTimer );
\r
282 configASSERT( xPeriodicTimer );
\r
284 xTimerStart( xARPTimer, portMAX_DELAY );
\r
285 xTimerStart( xPeriodicTimer, portMAX_DELAY );
\r
287 /*-----------------------------------------------------------*/
\r
289 static void prvUIPTimerCallback( xTimerHandle xTimer )
\r
291 static const unsigned long ulARPTimerExpired = uipARP_TIMER_EVENT;
\r
292 static const unsigned long ulPeriodicTimerExpired = uipPERIODIC_TIMER_EVENT;
\r
294 /* This is a time callback, so calls to xQueueSend() must not attempt to
\r
296 switch( ( int ) pvTimerGetTimerID( xTimer ) )
\r
298 case uipARP_TIMER : xQueueSend( xEMACEventQueue, &ulARPTimerExpired, uipDONT_BLOCK );
\r
301 case uipPERIODIC_TIMER : xQueueSend( xEMACEventQueue, &ulPeriodicTimerExpired, uipDONT_BLOCK );
\r
304 default : /* Should not get here. */
\r
308 /*-----------------------------------------------------------*/
\r
310 static void prvSetMACAddress( void )
\r
312 struct uip_eth_addr xAddr;
\r
314 /* Configure the MAC address in the uIP stack. */
\r
315 xAddr.addr[ 0 ] = configMAC_ADDR0;
\r
316 xAddr.addr[ 1 ] = configMAC_ADDR1;
\r
317 xAddr.addr[ 2 ] = configMAC_ADDR2;
\r
318 xAddr.addr[ 3 ] = configMAC_ADDR3;
\r
319 xAddr.addr[ 4 ] = configMAC_ADDR4;
\r
320 xAddr.addr[ 5 ] = configMAC_ADDR5;
\r
321 uip_setethaddr( xAddr );
\r
323 /*-----------------------------------------------------------*/
\r
325 void vApplicationProcessFormInput( char *pcInputString )
\r
329 /* Only interested in processing form input if this is the IO page. */
\r
330 c = strstr( pcInputString, "io.shtml" );
\r
334 /* Is there a command in the string? */
\r
335 c = strstr( pcInputString, "?" );
\r
338 /* Turn the LED's on or off in accordance with the check box status. */
\r
339 if( strstr( c, "LED0=1" ) != NULL )
\r
341 /* Turn the LEDs on. */
\r
342 vParTestSetLED( 7, 1 );
\r
343 vParTestSetLED( 8, 1 );
\r
344 vParTestSetLED( 9, 1 );
\r
345 vParTestSetLED( 10, 1 );
\r
349 /* Turn the LEDs off. */
\r
350 vParTestSetLED( 7, 0 );
\r
351 vParTestSetLED( 8, 0 );
\r
352 vParTestSetLED( 9, 0 );
\r
353 vParTestSetLED( 10, 0 );
\r
358 /* Commands to turn LEDs off are not always explicit. */
\r
359 vParTestSetLED( 7, 0 );
\r
360 vParTestSetLED( 8, 0 );
\r
361 vParTestSetLED( 9, 0 );
\r
362 vParTestSetLED( 10, 0 );
\r