2 FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
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4 This file is part of the FreeRTOS distribution.
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6 FreeRTOS is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License (version 2) as published by the
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8 Free Software Foundation and modified by the FreeRTOS exception.
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9 **NOTE** The exception to the GPL is included to allow you to distribute a
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10 combined work that includes FreeRTOS without being obliged to provide the
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11 source code for proprietary components outside of the FreeRTOS kernel.
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12 Alternative commercial license and support terms are also available upon
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13 request. See the licensing section of http://www.FreeRTOS.org for full
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16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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21 You should have received a copy of the GNU General Public License along
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22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 ***************************************************************************
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28 * The FreeRTOS eBook and reference manual are available to purchase for a *
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29 * small fee. Help yourself get started quickly while also helping the *
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30 * FreeRTOS project! See http://www.FreeRTOS.org/Documentation for details *
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32 ***************************************************************************
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36 Please ensure to read the configuration and relevant port sections of the
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37 online documentation.
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39 http://www.FreeRTOS.org - Documentation, latest information, license and
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42 http://www.SafeRTOS.com - A version that is certified for use in safety
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45 http://www.OpenRTOS.com - Commercial support, development, porting,
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46 licensing and training services.
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49 /* Standard includes. */
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52 /* Scheduler includes. */
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53 #include "FreeRTOS.h"
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59 #include "uip_arp.h"
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62 #include "clock-arch.h"
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65 /* Demo includes. */
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67 #include "partest.h"
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69 /*-----------------------------------------------------------*/
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71 /* Shortcut to the header within the Rx buffer. */
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72 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
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74 /*-----------------------------------------------------------*/
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77 * Port functions required by the uIP stack.
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79 clock_time_t clock_time( void );
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81 /*-----------------------------------------------------------*/
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83 /* The semaphore used by the ISR to wake the uIP task. */
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84 extern xSemaphoreHandle xFECSemaphore;
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86 /*-----------------------------------------------------------*/
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88 clock_time_t clock_time( void )
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90 return xTaskGetTickCount();
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94 void vuIP_Task( void *pvParameters )
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97 uip_ipaddr_t xIPAddr;
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98 struct timer periodic_timer, arp_timer;
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99 extern void ( vEMAC_ISR )( void );
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101 /* Just to get rid of the compiler warning. */
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102 ( void ) pvParameters;
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104 /* Enable/Reset the Ethernet Controller */
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106 /* Create the semaphore used by the ISR to wake this task. */
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107 vSemaphoreCreateBinary( xFECSemaphore );
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109 /* Initialise the uIP stack. */
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110 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
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111 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
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113 uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
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114 uip_sethostaddr( xIPAddr );
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115 uip_ipaddr( xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
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116 uip_setnetmask( xIPAddr );
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123 /* Is there received data ready to be processed? */
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124 uip_len = ( unsigned short ) ulFECRx();
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126 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
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128 /* Standard uIP loop taken from the uIP manual. */
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130 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
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135 /* If the above function invocation resulted in data that
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136 should be sent out on the network, the global variable
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137 uip_len is set to a value > 0. */
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144 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
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148 /* If the above function invocation resulted in data that
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149 should be sent out on the network, the global variable
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150 uip_len is set to a value > 0. */
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159 if( ( timer_expired( &periodic_timer ) ) && ( uip_buf != NULL ) )
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161 timer_reset( &periodic_timer );
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162 for( i = 0; i < UIP_CONNS; i++ )
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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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176 /* Call the ARP timer function every 10 seconds. */
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177 if( timer_expired( &arp_timer ) )
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179 timer_reset( &arp_timer );
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185 /* We did not receive a packet, and there was no periodic
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186 processing to perform. Block for a fixed period. If a packet
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187 is received during this period we will be woken by the ISR
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188 giving us the Semaphore. */
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189 xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 );
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194 /*-----------------------------------------------------------*/
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196 void vApplicationProcessFormInput( char *pcInputString, portBASE_TYPE xInputLength )
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200 /* Just to get rid of the compiler warning - other ports/demos use the parameter. */
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201 ( void ) xInputLength;
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203 /* Process the form input sent by the IO page of the served HTML. */
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205 c = strstr( pcInputString, "?" );
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209 /* Turn LED's on or off in accordance with the check box status. */
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210 if( strstr( c, "LED3=1" ) != NULL )
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212 /* Turn LED 3 on. */
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213 vParTestSetLED( 3, 1 );
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217 /* Turn LED 3 off. */
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218 vParTestSetLED( 3, 0 );
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