2 FreeRTOS V8.2.2 - Copyright (C) 2015 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 This file is part of the FreeRTOS distribution.
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9 FreeRTOS is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License (version 2) as published by the
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11 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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13 ***************************************************************************
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14 >>! NOTE: The modification to the GPL is included to allow you to !<<
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15 >>! distribute a combined work that includes FreeRTOS without being !<<
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16 >>! obliged to provide the source code for proprietary components !<<
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17 >>! outside of the FreeRTOS kernel. !<<
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18 ***************************************************************************
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20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
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23 link: http://www.freertos.org/a00114.html
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25 ***************************************************************************
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27 * FreeRTOS provides completely free yet professionally developed, *
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28 * robust, strictly quality controlled, supported, and cross *
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29 * platform software that is more than just the market leader, it *
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30 * is the industry's de facto standard. *
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32 * Help yourself get started quickly while simultaneously helping *
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33 * to support the FreeRTOS project by purchasing a FreeRTOS *
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34 * tutorial book, reference manual, or both: *
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35 * http://www.FreeRTOS.org/Documentation *
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37 ***************************************************************************
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39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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40 the FAQ page "My application does not run, what could be wrong?". Have you
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41 defined configASSERT()?
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43 http://www.FreeRTOS.org/support - In return for receiving this top quality
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44 embedded software for free we request you assist our global community by
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45 participating in the support forum.
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47 http://www.FreeRTOS.org/training - Investing in training allows your team to
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48 be as productive as possible as early as possible. Now you can receive
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49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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50 Ltd, and the world's leading authority on the world's leading RTOS.
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52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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61 licenses offer ticketed support, indemnification and commercial middleware.
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63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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64 engineered and independently SIL3 certified version for use in safety and
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65 mission critical applications that require provable dependability.
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70 /* Standard includes. */
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73 /* Scheduler includes. */
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74 #include "FreeRTOS.h"
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80 #include "uip_arp.h"
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83 #include "clock-arch.h"
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86 /* Demo includes. */
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88 #include "partest.h"
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90 /*-----------------------------------------------------------*/
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92 /* Shortcut to the header within the Rx buffer. */
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93 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
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95 /*-----------------------------------------------------------*/
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98 * Port functions required by the uIP stack.
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100 clock_time_t clock_time( void );
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102 /*-----------------------------------------------------------*/
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104 /* The semaphore used by the ISR to wake the uIP task. */
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105 extern SemaphoreHandle_t xFECSemaphore;
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107 /*-----------------------------------------------------------*/
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109 clock_time_t clock_time( void )
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111 return xTaskGetTickCount();
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115 void vuIP_Task( void *pvParameters )
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118 uip_ipaddr_t xIPAddr;
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119 struct timer periodic_timer, arp_timer;
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120 extern void ( vEMAC_ISR )( void );
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122 /* Just to get rid of the compiler warning. */
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123 ( void ) pvParameters;
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125 /* Enable/Reset the Ethernet Controller */
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127 /* Create the semaphore used by the ISR to wake this task. */
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128 vSemaphoreCreateBinary( xFECSemaphore );
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130 /* Initialise the uIP stack. */
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131 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
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132 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
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134 uip_ipaddr( xIPAddr, configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );
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135 uip_sethostaddr( xIPAddr );
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136 uip_ipaddr( xIPAddr, configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 );
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137 uip_setnetmask( xIPAddr );
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144 /* Is there received data ready to be processed? */
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145 uip_len = ( unsigned short ) ulFECRx();
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147 if( ( uip_len > 0 ) && ( uip_buf != NULL ) )
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149 /* Standard uIP loop taken from the uIP manual. */
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151 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
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156 /* If the above function invocation resulted in data that
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157 should be sent out on the network, the global variable
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158 uip_len is set to a value > 0. */
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165 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
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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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180 if( ( timer_expired( &periodic_timer ) ) && ( uip_buf != NULL ) )
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182 timer_reset( &periodic_timer );
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183 for( i = 0; i < UIP_CONNS; i++ )
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187 /* If the above function invocation resulted in data that
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188 should be sent out on the network, the global variable
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189 uip_len is set to a value > 0. */
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197 /* Call the ARP timer function every 10 seconds. */
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198 if( timer_expired( &arp_timer ) )
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200 timer_reset( &arp_timer );
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206 /* We did not receive a packet, and there was no periodic
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207 processing to perform. Block for a fixed period. If a packet
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208 is received during this period we will be woken by the ISR
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209 giving us the Semaphore. */
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210 xSemaphoreTake( xFECSemaphore, configTICK_RATE_HZ / 2 );
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215 /*-----------------------------------------------------------*/
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217 void vApplicationProcessFormInput( char *pcInputString, portBASE_TYPE xInputLength )
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221 /* Just to get rid of the compiler warning - other ports/demos use the parameter. */
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222 ( void ) xInputLength;
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224 /* Process the form input sent by the IO page of the served HTML. */
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226 c = strstr( pcInputString, "?" );
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230 /* Turn LED's on or off in accordance with the check box status. */
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231 if( strstr( c, "LED3=1" ) != NULL )
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233 /* Turn LED 3 on. */
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234 vParTestSetLED( 3, 1 );
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238 /* Turn LED 3 off. */
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239 vParTestSetLED( 3, 0 );
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