2 FreeRTOS V6.0.2 - Copyright (C) 2010 Real Time Engineers Ltd.
\r
4 ***************************************************************************
\r
8 * + New to FreeRTOS, *
\r
9 * + Wanting to learn FreeRTOS or multitasking in general quickly *
\r
10 * + Looking for basic training, *
\r
11 * + Wanting to improve your FreeRTOS skills and productivity *
\r
13 * then take a look at the FreeRTOS eBook *
\r
15 * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
\r
16 * http://www.FreeRTOS.org/Documentation *
\r
18 * A pdf reference manual is also available. Both are usually delivered *
\r
19 * to your inbox within 20 minutes to two hours when purchased between 8am *
\r
20 * and 8pm GMT (although please allow up to 24 hours in case of *
\r
21 * exceptional circumstances). Thank you for your support! *
\r
23 ***************************************************************************
\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 exception to the GPL is included to allow you to distribute
\r
31 a combined work that includes FreeRTOS without being obliged to provide the
\r
32 source code for proprietary components outside of the FreeRTOS kernel.
\r
33 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
\r
34 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
\r
35 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 const struct uip_eth_addr xMACAddress = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2,
\r
105 configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
\r
107 //_RB_ this should be made into a no copy driver.
\r
108 unsigned char uip_buf[ UIP_BUFSIZE + 2 ];
\r
109 //unsigned char* uip_buf = &( uip_buf_array[ 0 ] );
\r
111 /*-----------------------------------------------------------*/
\r
113 void clock_init(void)
\r
115 /* This is done when the scheduler starts. */
\r
117 /*-----------------------------------------------------------*/
\r
119 clock_time_t clock_time( void )
\r
121 return xTaskGetTickCount();
\r
123 /*-----------------------------------------------------------*/
\r
125 void vuIP_Task( void *pvParameters )
\r
128 uip_ipaddr_t xIPAddr;
\r
129 struct timer periodic_timer, arp_timer;
\r
130 extern void ( vEMAC_ISR_Wrapper )( void );
\r
132 ( void ) pvParameters;
\r
134 /* Initialise the uIP stack. */
\r
135 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
\r
136 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
\r
138 uip_ipaddr( &xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
\r
139 uip_sethostaddr( &xIPAddr );
\r
140 uip_ipaddr( &xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
\r
141 uip_setnetmask( &xIPAddr );
\r
142 prvSetMACAddress();
\r
145 /* Create the semaphore used to wake the uIP task. */
\r
146 vSemaphoreCreateBinary( xEMACSemaphore );
\r
148 /* Initialise the MAC. */
\r
149 R_Ether_Open( 0, ( void * ) &xMACAddress );
\r
151 while( !phyStatus() )
\r
153 vTaskDelay( uipINIT_WAIT );
\r
156 R_Ether_EnableEx(0, 1);
\r
160 /* Is there received data ready to be processed? */
\r
161 uip_len = R_Ether_Read( 0, uip_buf );
\r
163 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
\r
165 /* Standard uIP loop taken from the uIP manual. */
\r
166 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
\r
171 /* If the above function invocation resulted in data that
\r
172 should be sent out on the network, the global variable
\r
173 uip_len is set to a value > 0. */
\r
177 R_Ether_Write( 0, uip_buf, uip_len );
\r
178 R_Ether_Write( 0, uip_buf, uip_len );
\r
181 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
\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
190 R_Ether_Write( 0, uip_buf, uip_len );
\r
191 R_Ether_Write( 0, uip_buf, uip_len );
\r
197 if( timer_expired( &periodic_timer ) && ( uip_buf != NULL ) )
\r
199 timer_reset( &periodic_timer );
\r
200 for( i = 0; i < UIP_CONNS; i++ )
\r
204 /* If the above function invocation resulted in data that
\r
205 should be sent out on the network, the global variable
\r
206 uip_len is set to a value > 0. */
\r
210 R_Ether_Write( 0, uip_buf, uip_len );
\r
211 R_Ether_Write( 0, uip_buf, uip_len );
\r
215 /* Call the ARP timer function every 10 seconds. */
\r
216 if( timer_expired( &arp_timer ) )
\r
218 timer_reset( &arp_timer );
\r
224 /* We did not receive a packet, and there was no periodic
\r
225 processing to perform. Block for a fixed period. If a packet
\r
226 is received during this period we will be woken by the ISR
\r
227 giving us the Semaphore. */
\r
228 xSemaphoreTake( xEMACSemaphore, configTICK_RATE_HZ / 2 );
\r
233 /*-----------------------------------------------------------*/
\r
235 static void prvSetMACAddress( void )
\r
237 struct uip_eth_addr xAddr;
\r
239 /* Configure the MAC address in the uIP stack. */
\r
240 xAddr.addr[ 0 ] = configMAC_ADDR0;
\r
241 xAddr.addr[ 1 ] = configMAC_ADDR1;
\r
242 xAddr.addr[ 2 ] = configMAC_ADDR2;
\r
243 xAddr.addr[ 3 ] = configMAC_ADDR3;
\r
244 xAddr.addr[ 4 ] = configMAC_ADDR4;
\r
245 xAddr.addr[ 5 ] = configMAC_ADDR5;
\r
246 uip_setethaddr( xAddr );
\r
248 /*-----------------------------------------------------------*/
\r
250 void vApplicationProcessFormInput( char *pcInputString )
\r
253 //extern void vParTestSetLEDState( long lState );
\r
255 /* Process the form input sent by the IO page of the served HTML. */
\r
257 c = strstr( pcInputString, "?" );
\r
260 /* Turn the FIO1 LED's on or off in accordance with the check box status. */
\r
261 if( strstr( c, "LED0=1" ) != NULL )
\r
263 // vParTestSetLEDState( pdTRUE );
\r
267 // vParTestSetLEDState( pdFALSE );
\r