2 FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.
\r
5 ***************************************************************************
\r
7 * FreeRTOS tutorial books are available in pdf and paperback. *
\r
8 * Complete, revised, and edited pdf reference manuals are also *
\r
11 * Purchasing FreeRTOS documentation will not only help you, by *
\r
12 * ensuring you get running as quickly as possible and with an *
\r
13 * in-depth knowledge of how to use FreeRTOS, it will also help *
\r
14 * the FreeRTOS project to continue with its mission of providing *
\r
15 * professional grade, cross platform, de facto standard solutions *
\r
16 * for microcontrollers - completely free of charge! *
\r
18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
\r
20 * Thank you for using FreeRTOS, and thank you for your support! *
\r
22 ***************************************************************************
\r
25 This file is part of the FreeRTOS distribution.
\r
27 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
28 the terms of the GNU General Public License (version 2) as published by the
\r
29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
\r
30 >>>NOTE<<< The modification to the GPL is included to allow you to
\r
31 distribute a combined work that includes FreeRTOS without being obliged to
\r
32 provide the source code for proprietary components outside of the FreeRTOS
\r
33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
\r
34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
\r
35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
\r
36 more details. You should have received a copy of the GNU General Public
\r
37 License and the FreeRTOS license exception along with FreeRTOS; if not it
\r
38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
\r
39 by writing to Richard Barry, contact details for whom are available on the
\r
44 http://www.FreeRTOS.org - Documentation, latest information, license and
\r
47 http://www.SafeRTOS.com - A version that is certified for use in safety
\r
50 http://www.OpenRTOS.com - Commercial support, development, porting,
\r
51 licensing and training services.
\r
54 /* Standard includes. */
\r
57 /* Scheduler includes. */
\r
58 #include "FreeRTOS.h"
\r
63 #include "net/uip.h"
\r
64 #include "net/uip_arp.h"
\r
65 #include "apps/httpd/httpd.h"
\r
66 #include "sys/timer.h"
\r
67 #include "net/clock-arch.h"
\r
69 /* Demo includes. */
\r
70 #include "ParTest.h"
\r
72 /* Hardware includes. */
\r
73 #include "hwEthernet.h"
\r
75 /*-----------------------------------------------------------*/
\r
77 /* How long to wait before attempting to connect the MAC again. */
\r
78 #define uipINIT_WAIT ( 100 / portTICK_RATE_MS )
\r
80 /* Shortcut to the header within the Rx buffer. */
\r
81 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
\r
83 /* Standard constant. */
\r
84 #define uipTOTAL_FRAME_HEADER_SIZE 54
\r
86 /*-----------------------------------------------------------*/
\r
89 * Setup the MAC address in the MAC itself, and in the uIP stack.
\r
91 static void prvSetMACAddress( void );
\r
94 * Port functions required by the uIP stack.
\r
96 void clock_init( void );
\r
97 clock_time_t clock_time( void );
\r
99 /*-----------------------------------------------------------*/
\r
101 /* The semaphore used by the ISR to wake the uIP task. */
\r
102 xSemaphoreHandle xEMACSemaphore = NULL;
\r
104 /*-----------------------------------------------------------*/
\r
106 void clock_init(void)
\r
108 /* This is done when the scheduler starts. */
\r
110 /*-----------------------------------------------------------*/
\r
112 clock_time_t clock_time( void )
\r
114 return xTaskGetTickCount();
\r
116 /*-----------------------------------------------------------*/
\r
118 void vuIP_Task( void *pvParameters )
\r
121 uip_ipaddr_t xIPAddr;
\r
122 struct timer periodic_timer, arp_timer;
\r
123 extern void ( vEMAC_ISR_Wrapper )( void );
\r
125 ( void ) pvParameters;
\r
127 /* Initialise the uIP stack. */
\r
128 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
\r
129 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
\r
131 uip_ipaddr( &xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
\r
132 uip_sethostaddr( &xIPAddr );
\r
133 uip_ipaddr( &xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
\r
134 uip_setnetmask( &xIPAddr );
\r
135 prvSetMACAddress();
\r
138 /* Create the semaphore used to wake the uIP task. */
\r
139 vSemaphoreCreateBinary( xEMACSemaphore );
\r
141 /* Initialise the MAC. */
\r
144 while( lEMACWaitForLink() != pdPASS )
\r
146 vTaskDelay( uipINIT_WAIT );
\r
151 /* Is there received data ready to be processed? */
\r
152 uip_len = ( unsigned short ) ulEMACRead();
\r
154 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
\r
156 /* Standard uIP loop taken from the uIP manual. */
\r
157 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
\r
162 /* If the above function invocation resulted in data that
\r
163 should be sent out on the network, the global variable
\r
164 uip_len is set to a value > 0. */
\r
171 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
\r
175 /* If the above function invocation resulted in data that
\r
176 should be sent out on the network, the global variable
\r
177 uip_len is set to a value > 0. */
\r
186 if( timer_expired( &periodic_timer ) && ( uip_buf != NULL ) )
\r
188 timer_reset( &periodic_timer );
\r
189 for( i = 0; i < UIP_CONNS; i++ )
\r
193 /* If the above function invocation resulted in data that
\r
194 should be sent out on the network, the global variable
\r
195 uip_len is set to a value > 0. */
\r
203 /* Call the ARP timer function every 10 seconds. */
\r
204 if( timer_expired( &arp_timer ) )
\r
206 timer_reset( &arp_timer );
\r
212 /* We did not receive a packet, and there was no periodic
\r
213 processing to perform. Block for a fixed period. If a packet
\r
214 is received during this period we will be woken by the ISR
\r
215 giving us the Semaphore. */
\r
216 xSemaphoreTake( xEMACSemaphore, configTICK_RATE_HZ / 2 );
\r
221 /*-----------------------------------------------------------*/
\r
223 static void prvSetMACAddress( void )
\r
225 struct uip_eth_addr xAddr;
\r
227 /* Configure the MAC address in the uIP stack. */
\r
228 xAddr.addr[ 0 ] = configMAC_ADDR0;
\r
229 xAddr.addr[ 1 ] = configMAC_ADDR1;
\r
230 xAddr.addr[ 2 ] = configMAC_ADDR2;
\r
231 xAddr.addr[ 3 ] = configMAC_ADDR3;
\r
232 xAddr.addr[ 4 ] = configMAC_ADDR4;
\r
233 xAddr.addr[ 5 ] = configMAC_ADDR5;
\r
234 uip_setethaddr( xAddr );
\r
236 /*-----------------------------------------------------------*/
\r
238 void vApplicationProcessFormInput( char *pcInputString )
\r
242 /* Process the form input sent by the IO page of the served HTML. */
\r
244 c = strstr( pcInputString, "?" );
\r
247 /* Turn the FIO1 LED's on or off in accordance with the check box status. */
\r
248 if( strstr( c, "LED0=1" ) != NULL )
\r
250 /* Turn LED 4 on. */
\r
251 vParTestSetLED( 4, 1 );
\r
255 /* Turn LED 4 off. */
\r
256 vParTestSetLED( 4, 0 );
\r