2 FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
\r
4 This file is part of the FreeRTOS distribution.
\r
6 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
7 the terms of the GNU General Public License (version 2) as published by the
\r
8 Free Software Foundation and modified by the FreeRTOS exception.
\r
9 **NOTE** The exception to the GPL is included to allow you to distribute a
\r
10 combined work that includes FreeRTOS without being obliged to provide the
\r
11 source code for proprietary components outside of the FreeRTOS kernel.
\r
12 Alternative commercial license and support terms are also available upon
\r
13 request. See the licensing section of http://www.FreeRTOS.org for full
\r
16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
\r
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
\r
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
\r
21 You should have received a copy of the GNU General Public License along
\r
22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
\r
23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
\r
26 ***************************************************************************
\r
28 * Looking for a quick start? Then check out the FreeRTOS eBook! *
\r
29 * See http://www.FreeRTOS.org/Documentation for details *
\r
31 ***************************************************************************
\r
35 Please ensure to read the configuration and relevant port sections of the
\r
36 online documentation.
\r
38 http://www.FreeRTOS.org - Documentation, latest information, license and
\r
41 http://www.SafeRTOS.com - A version that is certified for use in safety
\r
44 http://www.OpenRTOS.com - Commercial support, development, porting,
\r
45 licensing and training services.
\r
49 /* Task that controls the uIP TCP/IP stack. */
\r
52 /* Standard includes. */
\r
55 /* Scheduler includes. */
\r
56 #include "FreeRTOS.h"
\r
62 #include "uip_arp.h"
\r
65 #include "clock-arch.h"
\r
67 /* Demo includes. */
\r
69 #include "partest.h"
\r
72 /*-----------------------------------------------------------*/
\r
74 /* Shortcut to the header within the Rx buffer. */
\r
75 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
\r
77 /*-----------------------------------------------------------*/
\r
80 * Port functions required by the uIP stack.
\r
82 void clock_init( void );
\r
83 clock_time_t clock_time( void );
\r
84 extern void timer_set(struct timer *t, clock_time_t interval);
\r
85 extern int timer_expired(struct timer *t);
\r
86 extern void timer_reset(struct timer *t);
\r
88 /*-----------------------------------------------------------*/
\r
90 /* The semaphore used by the ISR to wake the uIP task. */
\r
91 extern xSemaphoreHandle xFECSemaphore;
\r
93 /*-----------------------------------------------------------*/
\r
95 void clock_init(void)
\r
97 /* This is done when the scheduler starts. */
\r
99 /*-----------------------------------------------------------*/
\r
101 /* Define clock functions here to avoid header file name clash between uIP
\r
102 and the Luminary Micro driver library. */
\r
103 clock_time_t clock_time( void )
\r
105 return xTaskGetTickCount();
\r
107 /*-----------------------------------------------------------*/
\r
109 void vuIP_Task( void *pvParameters )
\r
112 uip_ipaddr_t xIPAddr;
\r
113 struct timer periodic_timer, arp_timer;
\r
115 /* To prevent compiler warnings. */
\r
116 ( void ) pvParameters;
\r
118 /* Initialise the uIP stack. */
\r
119 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
\r
120 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
\r
122 uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
\r
123 uip_sethostaddr( xIPAddr );
\r
125 /* Initialise the WEB server. */
\r
128 /* Initialise the Ethernet controller peripheral. */
\r
133 /* Is there received data ready to be processed? */
\r
134 uip_len = usFECGetRxedData();
\r
138 /* Standard uIP loop taken from the uIP manual. */
\r
140 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
\r
145 /* If the above function invocation resulted in data that
\r
146 should be sent out on the network, the global variable
\r
147 uip_len is set to a value > 0. */
\r
155 /* If we are not sending data then let the FEC driver know
\r
156 the buffer is no longer required. */
\r
157 vFECRxProcessingCompleted();
\r
160 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
\r
164 /* If the above function invocation resulted in data that
\r
165 should be sent out on the network, the global variable
\r
166 uip_len is set to a value > 0. */
\r
173 /* If we are not sending data then let the FEC driver know
\r
174 the buffer is no longer required. */
\r
175 vFECRxProcessingCompleted();
\r
180 /* If we are not sending data then let the FEC driver know
\r
181 the buffer is no longer required. */
\r
182 vFECRxProcessingCompleted();
\r
187 if( timer_expired( &periodic_timer ) )
\r
189 timer_reset( &periodic_timer );
\r
190 for( i = 0; i < UIP_CONNS; i++ )
\r
194 /* If the above function invocation resulted in data that
\r
195 should be sent out on the network, the global variable
\r
196 uip_len is set to a value > 0. */
\r
204 /* Call the ARP timer function every 10 seconds. */
\r
205 if( timer_expired( &arp_timer ) )
\r
207 timer_reset( &arp_timer );
\r
213 /* We did not receive a packet, and there was no periodic
\r
214 processing to perform. Block for a fixed period. If a packet
\r
215 is received during this period we will be woken by the ISR
\r
216 giving us the Semaphore. */
\r
217 xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 );
\r
222 /*-----------------------------------------------------------*/
\r