2 FreeRTOS V8.2.0rc1 - Copyright (C) 2014 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 >>! NOTE: The modification to the GPL is included to allow you to !<<
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14 >>! distribute a combined work that includes FreeRTOS without being !<<
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15 >>! obliged to provide the source code for proprietary components !<<
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16 >>! outside of the FreeRTOS kernel. !<<
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18 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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19 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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20 FOR A PARTICULAR PURPOSE. Full license text is available on the following
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21 link: http://www.freertos.org/a00114.html
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25 ***************************************************************************
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27 * Having a problem? Start by reading the FAQ "My application does *
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28 * not run, what could be wrong?". Have you defined configASSERT()? *
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30 * http://www.FreeRTOS.org/FAQHelp.html *
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32 ***************************************************************************
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34 ***************************************************************************
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36 * FreeRTOS provides completely free yet professionally developed, *
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37 * robust, strictly quality controlled, supported, and cross *
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38 * platform software that is more than just the market leader, it *
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39 * is the industry's de facto standard. *
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41 * Help yourself get started quickly while simultaneously helping *
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42 * to support the FreeRTOS project by purchasing a FreeRTOS *
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43 * tutorial book, reference manual, or both: *
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44 * http://www.FreeRTOS.org/Documentation *
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46 ***************************************************************************
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48 ***************************************************************************
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50 * Investing in training allows your team to be as productive as *
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51 * possible as early as possible, lowering your overall development *
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52 * cost, and enabling you to bring a more robust product to market *
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53 * earlier than would otherwise be possible. Richard Barry is both *
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54 * the architect and key author of FreeRTOS, and so also the world's *
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55 * leading authority on what is the world's most popular real time *
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56 * kernel for deeply embedded MCU designs. Obtaining your training *
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57 * from Richard ensures your team will gain directly from his in-depth *
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58 * product knowledge and years of usage experience. Contact Real Time *
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59 * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *
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60 * by Richard Barry: http://www.FreeRTOS.org/contact
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62 ***************************************************************************
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64 ***************************************************************************
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66 * You are receiving this top quality software for free. Please play *
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67 * fair and reciprocate by reporting any suspected issues and *
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68 * participating in the community forum: *
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69 * http://www.FreeRTOS.org/support *
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73 ***************************************************************************
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75 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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76 license and Real Time Engineers Ltd. contact details.
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78 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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79 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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80 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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82 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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83 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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85 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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86 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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87 licenses offer ticketed support, indemnification and commercial middleware.
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89 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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90 engineered and independently SIL3 certified version for use in safety and
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91 mission critical applications that require provable dependability.
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95 /* Standard includes. */
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99 /* FreeRTOS includes. */
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100 #include "FreeRTOS.h"
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102 #include "timers.h"
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105 /* FreeRTOS+UDP includes. */
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106 #include "FreeRTOS_UDP_IP.h"
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107 #include "FreeRTOS_Sockets.h"
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109 /* Example includes. */
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110 #include "TwoEchoClients.h"
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111 #include "CDCCommandConsole.h"
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113 /* Library includes. */
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114 #include "LPC18xx.h"
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116 /* The size of the stack and the priority used by the two echo client tasks. */
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117 #define mainECHO_CLIENT_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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118 #define mainECHO_CLIENT_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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120 /* The size of the stack and the priority used by the USB CDC command console
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122 #define mainCDC_COMMAND_CONSOLE_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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123 #define mainCDC_COMMAND_CONSOLE_TASK_PRIORITY ( 4U )
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126 * Register commands that can be used with FreeRTOS+CLI. The commands are
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127 * defined in CLI-commands.c.
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129 extern void vRegisterCLICommands( void );
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132 * Initialise the LED ports, and create a timer that periodically toggles an LED
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133 * just to provide a visual indication that the program is running.
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135 extern void vLEDsInitialise( void );
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137 /*-----------------------------------------------------------*/
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139 /* The default IP and MAC address used by the demo. The address configuration
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140 defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
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141 1 but a DHCP server could not be contacted. See the online documentation for
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142 more information. */
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143 static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
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144 static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
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145 static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
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146 static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
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148 /* The MAC address used by the demo. In production units the MAC address would
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149 probably be read from flash memory or an EEPROM. Here it is just hard coded. */
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150 const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
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152 /*-----------------------------------------------------------*/
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155 /******************************************************************************
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157 * See the following web page for information on using this demo.
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158 * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/RTOS_UDP_and_CLI_LPC1830_NGX.shtml
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160 ******************************************************************************/
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165 /* Prepare the trace recorder library. */
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166 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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167 vTraceInitTraceData();
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170 /* The examples assume that all priority bits are assigned as preemption
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172 NVIC_SetPriorityGrouping( 0UL );
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174 /* Start the timer that just toggles an LED to show the demo is running. */
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177 /* Start the tasks that implements the command console on the UART, as
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178 described above. */
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179 vCDCCommandConsoleStart( mainCDC_COMMAND_CONSOLE_STACK_SIZE, mainCDC_COMMAND_CONSOLE_TASK_PRIORITY );
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181 /* Register CLI commands. */
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182 vRegisterCLICommands();
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184 /* Initialise the network interface. Tasks that use the network are
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185 created in the network event hook when the network is connected and ready
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186 for use. The address values passed in here are used if ipconfigUSE_DHCP is
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187 set to 0, or if ipconfigUSE_DHCP is set to 1 but a DHCP server cannot be
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189 FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
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191 /* If the trace recorder code is included... */
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192 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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194 extern xQueueHandle xNetworkEventQueue;
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196 /* Name the queue for viewing in FreeRTOS+Trace. */
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197 vTraceSetQueueName( xNetworkEventQueue, "IPStackEvent" );
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199 #endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 */
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201 /* Start the FreeRTOS scheduler. */
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202 vTaskStartScheduler();
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204 /* The following line should never execute. If it does, it means there was
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205 insufficient FreeRTOS heap memory available to create the Idle and/or timer
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206 tasks. See the memory management section on the http://www.FreeRTOS.org web
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207 site for more information. */
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210 /*-----------------------------------------------------------*/
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212 void vApplicationStackOverflowHook( xTaskHandle pxTask, char *pcTaskName )
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214 ( void ) pcTaskName;
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217 /* Run time stack overflow checking is performed if
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218 configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
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219 function is called if a stack overflow is detected. */
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220 taskDISABLE_INTERRUPTS();
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223 /*-----------------------------------------------------------*/
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225 void vApplicationMallocFailedHook( void )
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227 /* vApplicationMallocFailedHook() will only be called if
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228 configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
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229 function that will get called if a call to pvPortMalloc() fails.
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230 pvPortMalloc() is called internally by the kernel whenever a task, queue,
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231 timer or semaphore is created. It is also called by various parts of the
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232 demo application. If heap_1.c, heap_2.c or heap_4.c are used, then the
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233 size of the heap available to pvPortMalloc() is defined by
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234 configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
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235 API function can be used to query the size of free heap space that remains
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236 (although it does not provide information on how the remaining heap might
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238 taskDISABLE_INTERRUPTS();
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241 /*-----------------------------------------------------------*/
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243 /* Called by FreeRTOS+UDP when the network connects. */
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244 void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
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246 static BaseType_t xTaskAlreadyCreated = pdFALSE;
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248 if( eNetworkEvent == eNetworkUp )
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250 /* Create the tasks that transmit to and receive from a standard
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251 echo server (see the web documentation for this port) in both
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252 standard and zero copy mode. */
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253 if( xTaskAlreadyCreated == pdFALSE )
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255 vStartEchoClientTasks( mainECHO_CLIENT_TASK_STACK_SIZE, mainECHO_CLIENT_TASK_PRIORITY );
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256 xTaskAlreadyCreated = pdTRUE;
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260 /*-----------------------------------------------------------*/
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262 /* Called by FreeRTOS+UDP when a reply is received to an outgoing ping request. */
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263 void vApplicationPingReplyHook( ePingReplyStatus_t eStatus, uint16_t usIdentifier )
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265 static const char *pcSuccess = "\r\n\r\nPing reply received - ";
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266 static const char *pcInvalidChecksum = "\r\n\r\nPing reply received with invalid checksum - ";
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267 static const char *pcInvalidData = "\r\n\r\nPing reply received with invalid data - ";
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268 static char cMessage[ 50 ];
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269 void vOutputString( const char * const pcMessage );
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274 vOutputString( pcSuccess );
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277 case eInvalidChecksum :
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278 vOutputString( pcInvalidChecksum );
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281 case eInvalidData :
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282 vOutputString( pcInvalidData );
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286 /* It is not possible to get here as all enums have their own
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291 sprintf( cMessage, "identifier %d\r\n\r\n", ( int ) usIdentifier );
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292 vOutputString( cMessage );
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