2 FreeRTOS V9.0.0 - Copyright (C) 2016 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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69 /* Standard includes. */
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73 /* FreeRTOS includes. */
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74 #include "FreeRTOS.h"
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79 /* FreeRTOS+UDP includes. */
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80 #include "FreeRTOS_UDP_IP.h"
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81 #include "FreeRTOS_Sockets.h"
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83 /* Example includes. */
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84 #include "TwoEchoClients.h"
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85 #include "CDCCommandConsole.h"
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87 /* Library includes. */
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88 #include "LPC18xx.h"
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90 /* The size of the stack and the priority used by the two echo client tasks. */
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91 #define mainECHO_CLIENT_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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92 #define mainECHO_CLIENT_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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94 /* The size of the stack and the priority used by the USB CDC command console
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96 #define mainCDC_COMMAND_CONSOLE_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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97 #define mainCDC_COMMAND_CONSOLE_TASK_PRIORITY ( 4U )
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100 * Register commands that can be used with FreeRTOS+CLI. The commands are
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101 * defined in CLI-commands.c.
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103 extern void vRegisterCLICommands( void );
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106 * Initialise the LED ports, and create a timer that periodically toggles an LED
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107 * just to provide a visual indication that the program is running.
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109 extern void vLEDsInitialise( void );
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111 /*-----------------------------------------------------------*/
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113 /* The default IP and MAC address used by the demo. The address configuration
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114 defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
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115 1 but a DHCP server could not be contacted. See the online documentation for
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116 more information. */
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117 static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
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118 static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
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119 static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
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120 static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
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122 /* The MAC address used by the demo. In production units the MAC address would
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123 probably be read from flash memory or an EEPROM. Here it is just hard coded. */
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124 const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
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126 /*-----------------------------------------------------------*/
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129 /******************************************************************************
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131 * See the following web page for information on using this demo.
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132 * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/RTOS_UDP_and_CLI_LPC1830_NGX.shtml
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134 ******************************************************************************/
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139 /* Prepare the trace recorder library. */
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140 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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141 vTraceInitTraceData();
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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, 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 BaseType_t 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 char *pcSuccess = "\r\n\r\nPing reply received - ";
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240 static const char *pcInvalidChecksum = "\r\n\r\nPing reply received with invalid checksum - ";
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241 static const char *pcInvalidData = "\r\n\r\nPing reply received with invalid data - ";
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242 static char cMessage[ 50 ];
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243 void vOutputString( const char * const pcMessage );
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248 vOutputString( pcSuccess );
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251 case eInvalidChecksum :
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252 vOutputString( pcInvalidChecksum );
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255 case eInvalidData :
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256 vOutputString( pcInvalidData );
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260 /* It is not possible to get here as all enums have their own
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265 sprintf( cMessage, "identifier %d\r\n\r\n", ( int ) usIdentifier );
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266 vOutputString( cMessage );
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