2 FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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65 /* Standard includes. */
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68 /* Scheduler includes. */
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69 #include "FreeRTOS.h"
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75 #include "uip_arp.h"
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78 #include "clock-arch.h"
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81 /* Demo includes. */
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83 #include "partest.h"
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85 /*-----------------------------------------------------------*/
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87 /* Shortcut to the header within the Rx buffer. */
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88 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
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90 /*-----------------------------------------------------------*/
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93 * Port functions required by the uIP stack.
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95 clock_time_t clock_time( void );
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97 /*-----------------------------------------------------------*/
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99 /* The semaphore used by the ISR to wake the uIP task. */
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100 extern xSemaphoreHandle xFECSemaphore;
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102 /*-----------------------------------------------------------*/
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104 clock_time_t clock_time( void )
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106 return xTaskGetTickCount();
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110 void vuIP_Task( void *pvParameters )
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113 uip_ipaddr_t xIPAddr;
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114 struct timer periodic_timer, arp_timer;
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115 extern void ( vEMAC_ISR )( void );
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117 /* Just to get rid of the compiler warning. */
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118 ( void ) pvParameters;
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120 /* Enable/Reset the Ethernet Controller */
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122 /* Create the semaphore used by the ISR to wake this task. */
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123 vSemaphoreCreateBinary( xFECSemaphore );
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125 /* Initialise the uIP stack. */
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126 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
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127 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
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129 uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
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130 uip_sethostaddr( xIPAddr );
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131 uip_ipaddr( xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
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132 uip_setnetmask( xIPAddr );
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139 /* Is there received data ready to be processed? */
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140 uip_len = ( unsigned short ) ulFECRx();
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142 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
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144 /* Standard uIP loop taken from the uIP manual. */
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146 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
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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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160 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
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164 /* If the above function invocation resulted in data that
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165 should be sent out on the network, the global variable
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166 uip_len is set to a value > 0. */
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175 if( ( timer_expired( &periodic_timer ) ) && ( uip_buf != NULL ) )
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177 timer_reset( &periodic_timer );
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178 for( i = 0; i < UIP_CONNS; i++ )
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182 /* If the above function invocation resulted in data that
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183 should be sent out on the network, the global variable
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184 uip_len is set to a value > 0. */
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192 /* Call the ARP timer function every 10 seconds. */
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193 if( timer_expired( &arp_timer ) )
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195 timer_reset( &arp_timer );
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201 /* We did not receive a packet, and there was no periodic
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202 processing to perform. Block for a fixed period. If a packet
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203 is received during this period we will be woken by the ISR
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204 giving us the Semaphore. */
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205 xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 );
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210 /*-----------------------------------------------------------*/
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212 void vApplicationProcessFormInput( char *pcInputString, portBASE_TYPE xInputLength )
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216 /* Just to get rid of the compiler warning - other ports/demos use the parameter. */
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217 ( void ) xInputLength;
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219 /* Process the form input sent by the IO page of the served HTML. */
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221 c = strstr( pcInputString, "?" );
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225 /* Turn LED's on or off in accordance with the check box status. */
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226 if( strstr( c, "LED3=1" ) != NULL )
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228 /* Turn LED 3 on. */
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229 vParTestSetLED( 3, 1 );
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233 /* Turn LED 3 off. */
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234 vParTestSetLED( 3, 0 );
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