2 FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
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5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS tutorial books are available in pdf and paperback. *
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10 * Complete, revised, and edited pdf reference manuals are also *
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13 * Purchasing FreeRTOS documentation will not only help you, by *
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14 * ensuring you get running as quickly as possible and with an *
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15 * in-depth knowledge of how to use FreeRTOS, it will also help *
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16 * the FreeRTOS project to continue with its mission of providing *
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17 * professional grade, cross platform, de facto standard solutions *
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18 * for microcontrollers - completely free of charge! *
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20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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22 * Thank you for using FreeRTOS, and thank you for your support! *
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24 ***************************************************************************
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27 This file is part of the FreeRTOS distribution.
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29 FreeRTOS is free software; you can redistribute it and/or modify it under
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30 the terms of the GNU General Public License (version 2) as published by the
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31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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33 >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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34 distribute a combined work that includes FreeRTOS without being obliged to
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35 provide the source code for proprietary components outside of the FreeRTOS
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38 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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39 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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40 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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41 details. You should have received a copy of the GNU General Public License
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42 and the FreeRTOS license exception along with FreeRTOS; if not it can be
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43 viewed here: http://www.freertos.org/a00114.html and also obtained by
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44 writing to Real Time Engineers Ltd., contact details for whom are available
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45 on the FreeRTOS WEB site.
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49 ***************************************************************************
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51 * Having a problem? Start by reading the FAQ "My application does *
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52 * not run, what could be wrong?" *
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54 * http://www.FreeRTOS.org/FAQHelp.html *
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56 ***************************************************************************
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59 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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60 license and Real Time Engineers Ltd. contact details.
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62 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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63 including FreeRTOS+Trace - an indispensable productivity tool, and our new
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64 fully thread aware and reentrant UDP/IP stack.
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66 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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67 Integrity Systems, who sell the code with commercial support,
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68 indemnification and middleware, under the OpenRTOS brand.
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70 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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71 engineered and independently SIL3 certified version for use in safety and
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72 mission critical applications that require provable dependability.
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74 /* Standard includes. */
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78 /* FreeRTOS includes. */
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79 #include "FreeRTOS.h"
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84 /* FreeRTOS+UDP includes. */
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85 #include "FreeRTOS_UDP_IP.h"
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86 #include "FreeRTOS_Sockets.h"
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88 /* Example includes. */
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89 #include "TwoEchoClients.h"
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90 #include "CDCCommandConsole.h"
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92 /* Library includes. */
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93 #include "LPC18xx.h"
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95 /* The size of the stack and the priority used by the two echo client tasks. */
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96 #define mainECHO_CLIENT_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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97 #define mainECHO_CLIENT_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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99 /* The size of the stack and the priority used by the USB CDC command console
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101 #define mainCDC_COMMAND_CONSOLE_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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102 #define mainCDC_COMMAND_CONSOLE_TASK_PRIORITY ( 4U )
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105 * Register commands that can be used with FreeRTOS+CLI. The commands are
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106 * defined in CLI-commands.c.
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108 extern void vRegisterCLICommands( void );
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111 * Initialise the LED ports, and create a timer that periodically toggles an LED
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112 * just to provide a visual indication that the program is running.
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114 extern void vLEDsInitialise( void );
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116 /*-----------------------------------------------------------*/
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118 /* The default IP and MAC address used by the demo. The address configuration
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119 defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
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120 1 but a DHCP server could not be contacted. See the online documentation for
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121 more information. */
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122 static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
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123 static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
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124 static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
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125 static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
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127 /* The MAC address used by the demo. In production units the MAC address would
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128 probably be read from flash memory or an EEPROM. Here it is just hard coded. */
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129 const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
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131 /*-----------------------------------------------------------*/
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134 /******************************************************************************
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136 * See the following web page for information on using this demo.
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137 * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/RTOS_UDP_and_CLI_LPC1830_NGX.shtml
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139 ******************************************************************************/
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144 /* The examples assume that all priority bits are assigned as preemption
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146 NVIC_SetPriorityGrouping( 0UL );
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148 /* Start the timer that just toggles an LED to show the demo is running. */
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151 /* Start the tasks that implements the command console on the UART, as
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152 described above. */
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153 vCDCCommandConsoleStart( mainCDC_COMMAND_CONSOLE_STACK_SIZE, mainCDC_COMMAND_CONSOLE_TASK_PRIORITY );
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155 /* Register CLI commands. */
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156 vRegisterCLICommands();
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158 /* Initialise the network interface. Tasks that use the network are
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159 created in the network event hook when the network is connected and ready
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160 for use. The address values passed in here are used if ipconfigUSE_DHCP is
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161 set to 0, or if ipconfigUSE_DHCP is set to 1 but a DHCP server cannot be
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163 FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
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165 /* If the trace recorder code is included... */
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166 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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168 extern xQueueHandle xNetworkEventQueue;
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170 /* Name the queue for viewing in FreeRTOS+Trace. */
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171 vTraceSetQueueName( xNetworkEventQueue, "IPStackEvent" );
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173 #endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 */
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175 /* Start the FreeRTOS scheduler. */
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176 vTaskStartScheduler();
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178 /* The following line should never execute. If it does, it means there was
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179 insufficient FreeRTOS heap memory available to create the Idle and/or timer
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180 tasks. See the memory management section on the http://www.FreeRTOS.org web
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181 site for more information. */
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184 /*-----------------------------------------------------------*/
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186 void vApplicationStackOverflowHook( xTaskHandle pxTask, signed char *pcTaskName )
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188 ( void ) pcTaskName;
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191 /* Run time stack overflow checking is performed if
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192 configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
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193 function is called if a stack overflow is detected. */
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194 taskDISABLE_INTERRUPTS();
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197 /*-----------------------------------------------------------*/
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199 void vApplicationMallocFailedHook( void )
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201 /* vApplicationMallocFailedHook() will only be called if
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202 configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
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203 function that will get called if a call to pvPortMalloc() fails.
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204 pvPortMalloc() is called internally by the kernel whenever a task, queue,
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205 timer or semaphore is created. It is also called by various parts of the
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206 demo application. If heap_1.c, heap_2.c or heap_4.c are used, then the
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207 size of the heap available to pvPortMalloc() is defined by
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208 configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
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209 API function can be used to query the size of free heap space that remains
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210 (although it does not provide information on how the remaining heap might
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212 taskDISABLE_INTERRUPTS();
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215 /*-----------------------------------------------------------*/
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217 /* Called by FreeRTOS+UDP when the network connects. */
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218 void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
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220 static portBASE_TYPE xTaskAlreadyCreated = pdFALSE;
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222 if( eNetworkEvent == eNetworkUp )
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224 /* Create the tasks that transmit to and receive from a standard
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225 echo server (see the web documentation for this port) in both
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226 standard and zero copy mode. */
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227 if( xTaskAlreadyCreated == pdFALSE )
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229 vStartEchoClientTasks( mainECHO_CLIENT_TASK_STACK_SIZE, mainECHO_CLIENT_TASK_PRIORITY );
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230 xTaskAlreadyCreated = pdTRUE;
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234 /*-----------------------------------------------------------*/
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236 /* Called by FreeRTOS+UDP when a reply is received to an outgoing ping request. */
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237 void vApplicationPingReplyHook( ePingReplyStatus_t eStatus, uint16_t usIdentifier )
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239 static const uint8_t *pucSuccess = ( uint8_t * ) "\r\n\r\nPing reply received - ";
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240 static const uint8_t *pucInvalidChecksum = ( uint8_t * ) "\r\n\r\nPing reply received with invalid checksum - ";
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241 static const uint8_t *pucInvalidData = ( uint8_t * ) "\r\n\r\nPing reply received with invalid data - ";
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242 static uint8_t ucMessage[ 50 ];
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243 void vOutputString( const uint8_t * const pucMessage );
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248 vOutputString( pucSuccess );
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251 case eInvalidChecksum :
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252 vOutputString( pucInvalidChecksum );
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255 case eInvalidData :
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256 vOutputString( pucInvalidData );
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260 /* It is not possible to get here as all enums have their own
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265 sprintf( ( char * ) ucMessage, "identifier %d\r\n\r\n", ( int ) usIdentifier );
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266 vOutputString( ucMessage );
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