2 FreeRTOS.org V5.4.0 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License (version 2) as published
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8 by the 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.org without being obliged to provide
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11 the source code for any proprietary components. Alternative commercial
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12 license and support terms are also available upon request. See the
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13 licensing section of http://www.FreeRTOS.org for full details.
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15 FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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20 You should have received a copy of the GNU General Public License along
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21 with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
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22 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ***************************************************************************
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27 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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29 * This is a concise, step by step, 'hands on' guide that describes both *
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30 * general multitasking concepts and FreeRTOS specifics. It presents and *
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31 * explains numerous examples that are written using the FreeRTOS API. *
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32 * Full source code for all the examples is provided in an accompanying *
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35 ***************************************************************************
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39 Please ensure to read the configuration and relevant port sections of the
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40 online documentation.
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42 http://www.FreeRTOS.org - Documentation, latest information, license and
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45 http://www.SafeRTOS.com - A version that is certified for use in safety
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48 http://www.OpenRTOS.com - Commercial support, development, porting,
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49 licensing and training services.
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52 /* Standard includes. */
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55 /* Scheduler includes. */
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56 #include "FreeRTOS.h"
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62 #include "uip_arp.h"
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65 #include "clock-arch.h"
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68 /* Demo includes. */
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70 #include "partest.h"
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72 /*-----------------------------------------------------------*/
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74 /* Shortcut to the header within the Rx buffer. */
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75 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
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77 /*-----------------------------------------------------------*/
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80 * Port functions required by the uIP stack.
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82 clock_time_t clock_time( void );
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84 /*-----------------------------------------------------------*/
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86 /* The semaphore used by the ISR to wake the uIP task. */
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87 extern xSemaphoreHandle xFECSemaphore;
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89 /*-----------------------------------------------------------*/
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91 clock_time_t clock_time( void )
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93 return xTaskGetTickCount();
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97 void vuIP_Task( void *pvParameters )
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100 uip_ipaddr_t xIPAddr;
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101 struct timer periodic_timer, arp_timer;
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102 extern void ( vEMAC_ISR )( void );
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104 /* Just to get rid of the compiler warning. */
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105 ( void ) pvParameters;
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107 /* Enable/Reset the Ethernet Controller */
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109 /* Create the semaphore used by the ISR to wake this task. */
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110 vSemaphoreCreateBinary( xFECSemaphore );
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112 /* Initialise the uIP stack. */
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113 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
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114 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
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116 uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
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117 uip_sethostaddr( xIPAddr );
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118 uip_ipaddr( xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
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119 uip_setnetmask( xIPAddr );
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126 /* Is there received data ready to be processed? */
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127 uip_len = ( unsigned short ) ulFECRx();
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129 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
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131 /* Standard uIP loop taken from the uIP manual. */
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133 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
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138 /* If the above function invocation resulted in data that
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139 should be sent out on the network, the global variable
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140 uip_len is set to a value > 0. */
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147 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
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151 /* If the above function invocation resulted in data that
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152 should be sent out on the network, the global variable
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153 uip_len is set to a value > 0. */
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162 if( ( timer_expired( &periodic_timer ) ) && ( uip_buf != NULL ) )
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164 timer_reset( &periodic_timer );
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165 for( i = 0; i < UIP_CONNS; i++ )
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169 /* If the above function invocation resulted in data that
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170 should be sent out on the network, the global variable
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171 uip_len is set to a value > 0. */
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179 /* Call the ARP timer function every 10 seconds. */
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180 if( timer_expired( &arp_timer ) )
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182 timer_reset( &arp_timer );
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188 /* We did not receive a packet, and there was no periodic
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189 processing to perform. Block for a fixed period. If a packet
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190 is received during this period we will be woken by the ISR
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191 giving us the Semaphore. */
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192 xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 );
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197 /*-----------------------------------------------------------*/
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199 void vApplicationProcessFormInput( portCHAR *pcInputString, portBASE_TYPE xInputLength )
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203 /* Just to get rid of the compiler warning - other ports/demos use the parameter. */
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204 ( void ) xInputLength;
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206 /* Process the form input sent by the IO page of the served HTML. */
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208 c = strstr( pcInputString, "?" );
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212 /* Turn LED's on or off in accordance with the check box status. */
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213 if( strstr( c, "LED3=1" ) != NULL )
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215 /* Turn LED 3 on. */
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216 vParTestSetLED( 3, 1 );
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220 /* Turn LED 3 off. */
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221 vParTestSetLED( 3, 0 );
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