2 FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
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5 ***************************************************************************
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7 * FreeRTOS tutorial books are available in pdf and paperback. *
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8 * Complete, revised, and edited pdf reference manuals are also *
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11 * Purchasing FreeRTOS documentation will not only help you, by *
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12 * ensuring you get running as quickly as possible and with an *
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13 * in-depth knowledge of how to use FreeRTOS, it will also help *
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14 * the FreeRTOS project to continue with its mission of providing *
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15 * professional grade, cross platform, de facto standard solutions *
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16 * for microcontrollers - completely free of charge! *
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18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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20 * Thank you for using FreeRTOS, and thank you for your support! *
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22 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 >>>NOTE<<< The modification to the GPL is included to allow you to
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31 distribute a combined work that includes FreeRTOS without being obliged to
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32 provide the source code for proprietary components outside of the FreeRTOS
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33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 ***************************************************************************
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46 * Having a problem? Start by reading the FAQ "My application does *
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47 * not run, what could be wrong? *
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49 * http://www.FreeRTOS.org/FAQHelp.html *
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51 ***************************************************************************
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54 http://www.FreeRTOS.org - Documentation, training, latest information,
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55 license and contact details.
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57 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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58 including FreeRTOS+Trace - an indispensable productivity tool.
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60 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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61 the code with commercial support, indemnification, and middleware, under
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62 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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63 provide a safety engineered and independently SIL3 certified version under
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64 the SafeRTOS brand: http://www.SafeRTOS.com.
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67 /* Standard includes. */
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70 /* Scheduler includes. */
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71 #include "FreeRTOS.h"
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77 #include "uip_arp.h"
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80 #include "clock-arch.h"
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83 /* Demo includes. */
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85 #include "partest.h"
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87 /*-----------------------------------------------------------*/
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89 /* Shortcut to the header within the Rx buffer. */
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90 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
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92 /*-----------------------------------------------------------*/
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95 * Port functions required by the uIP stack.
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97 clock_time_t clock_time( void );
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99 /*-----------------------------------------------------------*/
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101 /* The semaphore used by the ISR to wake the uIP task. */
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102 extern xSemaphoreHandle xFECSemaphore;
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104 /*-----------------------------------------------------------*/
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106 clock_time_t clock_time( void )
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108 return xTaskGetTickCount();
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112 void vuIP_Task( void *pvParameters )
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115 uip_ipaddr_t xIPAddr;
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116 struct timer periodic_timer, arp_timer;
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117 extern void ( vEMAC_ISR )( void );
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119 /* Just to get rid of the compiler warning. */
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120 ( void ) pvParameters;
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122 /* Enable/Reset the Ethernet Controller */
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124 /* Create the semaphore used by the ISR to wake this task. */
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125 vSemaphoreCreateBinary( xFECSemaphore );
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127 /* Initialise the uIP stack. */
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128 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
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129 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
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131 uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
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132 uip_sethostaddr( xIPAddr );
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133 uip_ipaddr( xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
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134 uip_setnetmask( xIPAddr );
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141 /* Is there received data ready to be processed? */
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142 uip_len = ( unsigned short ) ulFECRx();
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144 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
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146 /* Standard uIP loop taken from the uIP manual. */
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148 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
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153 /* If the above function invocation resulted in data that
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154 should be sent out on the network, the global variable
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155 uip_len is set to a value > 0. */
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162 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
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166 /* If the above function invocation resulted in data that
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167 should be sent out on the network, the global variable
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168 uip_len is set to a value > 0. */
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177 if( ( timer_expired( &periodic_timer ) ) && ( uip_buf != NULL ) )
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179 timer_reset( &periodic_timer );
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180 for( i = 0; i < UIP_CONNS; i++ )
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184 /* If the above function invocation resulted in data that
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185 should be sent out on the network, the global variable
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186 uip_len is set to a value > 0. */
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194 /* Call the ARP timer function every 10 seconds. */
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195 if( timer_expired( &arp_timer ) )
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197 timer_reset( &arp_timer );
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203 /* We did not receive a packet, and there was no periodic
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204 processing to perform. Block for a fixed period. If a packet
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205 is received during this period we will be woken by the ISR
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206 giving us the Semaphore. */
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207 xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 );
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212 /*-----------------------------------------------------------*/
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214 void vApplicationProcessFormInput( char *pcInputString, portBASE_TYPE xInputLength )
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218 /* Just to get rid of the compiler warning - other ports/demos use the parameter. */
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219 ( void ) xInputLength;
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221 /* Process the form input sent by the IO page of the served HTML. */
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223 c = strstr( pcInputString, "?" );
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227 /* Turn LED's on or off in accordance with the check box status. */
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228 if( strstr( c, "LED3=1" ) != NULL )
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230 /* Turn LED 3 on. */
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231 vParTestSetLED( 3, 1 );
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235 /* Turn LED 3 off. */
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236 vParTestSetLED( 3, 0 );
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