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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71 /******************************************************************************
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73 * See the following URL for information on the commands defined in this file:
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74 * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/Ethernet_Related_CLI_Commands.shtml
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76 ******************************************************************************/
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79 /* FreeRTOS includes. */
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80 #include "FreeRTOS.h"
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83 /* Standard includes. */
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89 /* FreeRTOS+CLI includes. */
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90 #include "FreeRTOS_CLI.h"
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92 #ifndef configINCLUDE_TRACE_RELATED_CLI_COMMANDS
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93 #define configINCLUDE_TRACE_RELATED_CLI_COMMANDS 0
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96 #ifndef configINCLUDE_QUERY_HEAP_COMMAND
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97 #define configINCLUDE_QUERY_HEAP_COMMAND 0
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101 * The function that registers the commands that are defined within this file.
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103 void vRegisterSampleCLICommands( void );
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106 * Implements the task-stats command.
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108 static BaseType_t prvTaskStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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111 * Implements the run-time-stats command.
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113 #if( configGENERATE_RUN_TIME_STATS == 1 )
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114 static BaseType_t prvRunTimeStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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115 #endif /* configGENERATE_RUN_TIME_STATS */
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118 * Implements the echo-three-parameters command.
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120 static BaseType_t prvThreeParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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123 * Implements the echo-parameters command.
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125 static BaseType_t prvParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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128 * Implements the "query heap" command.
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130 #if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
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131 static BaseType_t prvQueryHeapCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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135 * Implements the "trace start" and "trace stop" commands;
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137 #if( configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 )
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138 static BaseType_t prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
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141 /* Structure that defines the "task-stats" command line command. This generates
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142 a table that gives information on each task in the system. */
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143 static const CLI_Command_Definition_t xTaskStats =
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145 "task-stats", /* The command string to type. */
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146 "\r\ntask-stats:\r\n Displays a table showing the state of each FreeRTOS task\r\n",
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147 prvTaskStatsCommand, /* The function to run. */
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148 0 /* No parameters are expected. */
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151 /* Structure that defines the "echo_3_parameters" command line command. This
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152 takes exactly three parameters that the command simply echos back one at a
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154 static const CLI_Command_Definition_t xThreeParameterEcho =
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156 "echo-3-parameters",
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157 "\r\necho-3-parameters <param1> <param2> <param3>:\r\n Expects three parameters, echos each in turn\r\n",
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158 prvThreeParameterEchoCommand, /* The function to run. */
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159 3 /* Three parameters are expected, which can take any value. */
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162 /* Structure that defines the "echo_parameters" command line command. This
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163 takes a variable number of parameters that the command simply echos back one at
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165 static const CLI_Command_Definition_t xParameterEcho =
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168 "\r\necho-parameters <...>:\r\n Take variable number of parameters, echos each in turn\r\n",
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169 prvParameterEchoCommand, /* The function to run. */
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170 -1 /* The user can enter any number of commands. */
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173 #if( configGENERATE_RUN_TIME_STATS == 1 )
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174 /* Structure that defines the "run-time-stats" command line command. This
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175 generates a table that shows how much run time each task has */
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176 static const CLI_Command_Definition_t xRunTimeStats =
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178 "run-time-stats", /* The command string to type. */
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179 "\r\nrun-time-stats:\r\n Displays a table showing how much processing time each FreeRTOS task has used\r\n",
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180 prvRunTimeStatsCommand, /* The function to run. */
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181 0 /* No parameters are expected. */
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183 #endif /* configGENERATE_RUN_TIME_STATS */
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185 #if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
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186 /* Structure that defines the "query_heap" command line command. */
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187 static const CLI_Command_Definition_t xQueryHeap =
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190 "\r\nquery-heap:\r\n Displays the free heap space, and minimum ever free heap space.\r\n",
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191 prvQueryHeapCommand, /* The function to run. */
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192 0 /* The user can enter any number of commands. */
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194 #endif /* configQUERY_HEAP_COMMAND */
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196 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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197 /* Structure that defines the "trace" command line command. This takes a single
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198 parameter, which can be either "start" or "stop". */
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199 static const CLI_Command_Definition_t xStartStopTrace =
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202 "\r\ntrace [start | stop]:\r\n Starts or stops a trace recording for viewing in FreeRTOS+Trace\r\n",
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203 prvStartStopTraceCommand, /* The function to run. */
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204 1 /* One parameter is expected. Valid values are "start" and "stop". */
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206 #endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
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208 /*-----------------------------------------------------------*/
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210 void vRegisterSampleCLICommands( void )
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212 /* Register all the command line commands defined immediately above. */
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213 FreeRTOS_CLIRegisterCommand( &xTaskStats );
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214 FreeRTOS_CLIRegisterCommand( &xThreeParameterEcho );
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215 FreeRTOS_CLIRegisterCommand( &xParameterEcho );
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217 #if( configGENERATE_RUN_TIME_STATS == 1 )
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219 FreeRTOS_CLIRegisterCommand( &xRunTimeStats );
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223 #if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
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225 FreeRTOS_CLIRegisterCommand( &xQueryHeap );
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229 #if( configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 )
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231 FreeRTOS_CLIRegisterCommand( &xStartStopTrace );
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235 /*-----------------------------------------------------------*/
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237 static BaseType_t prvTaskStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
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239 const char *const pcHeader = " State Priority Stack #\r\n************************************************\r\n";
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240 BaseType_t xSpacePadding;
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242 /* Remove compile time warnings about unused parameters, and check the
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243 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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244 write buffer length is adequate, so does not check for buffer overflows. */
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245 ( void ) pcCommandString;
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246 ( void ) xWriteBufferLen;
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247 configASSERT( pcWriteBuffer );
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249 /* Generate a table of task stats. */
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250 strcpy( pcWriteBuffer, "Task" );
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251 pcWriteBuffer += strlen( pcWriteBuffer );
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253 /* Minus three for the null terminator and half the number of characters in
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254 "Task" so the column lines up with the centre of the heading. */
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255 configASSERT( configMAX_TASK_NAME_LEN > 3 );
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256 for( xSpacePadding = strlen( "Task" ); xSpacePadding < ( configMAX_TASK_NAME_LEN - 3 ); xSpacePadding++ )
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258 /* Add a space to align columns after the task's name. */
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259 *pcWriteBuffer = ' ';
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262 /* Ensure always terminated. */
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263 *pcWriteBuffer = 0x00;
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265 strcpy( pcWriteBuffer, pcHeader );
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266 vTaskList( pcWriteBuffer + strlen( pcHeader ) );
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268 /* There is no more data to return after this single string, so return
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272 /*-----------------------------------------------------------*/
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274 #if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
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276 static BaseType_t prvQueryHeapCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
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278 /* Remove compile time warnings about unused parameters, and check the
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279 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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280 write buffer length is adequate, so does not check for buffer overflows. */
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281 ( void ) pcCommandString;
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282 ( void ) xWriteBufferLen;
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283 configASSERT( pcWriteBuffer );
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285 sprintf( pcWriteBuffer, "Current free heap %d bytes, minimum ever free heap %d bytes\r\n", ( int ) xPortGetFreeHeapSize(), ( int ) xPortGetMinimumEverFreeHeapSize() );
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287 /* There is no more data to return after this single string, so return
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292 #endif /* configINCLUDE_QUERY_HEAP */
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293 /*-----------------------------------------------------------*/
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295 #if( configGENERATE_RUN_TIME_STATS == 1 )
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297 static BaseType_t prvRunTimeStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
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299 const char * const pcHeader = " Abs Time % Time\r\n****************************************\r\n";
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300 BaseType_t xSpacePadding;
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302 /* Remove compile time warnings about unused parameters, and check the
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303 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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304 write buffer length is adequate, so does not check for buffer overflows. */
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305 ( void ) pcCommandString;
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306 ( void ) xWriteBufferLen;
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307 configASSERT( pcWriteBuffer );
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309 /* Generate a table of task stats. */
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310 strcpy( pcWriteBuffer, "Task" );
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311 pcWriteBuffer += strlen( pcWriteBuffer );
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313 /* Pad the string "task" with however many bytes necessary to make it the
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314 length of a task name. Minus three for the null terminator and half the
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315 number of characters in "Task" so the column lines up with the centre of
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317 for( xSpacePadding = strlen( "Task" ); xSpacePadding < ( configMAX_TASK_NAME_LEN - 3 ); xSpacePadding++ )
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319 /* Add a space to align columns after the task's name. */
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320 *pcWriteBuffer = ' ';
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323 /* Ensure always terminated. */
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324 *pcWriteBuffer = 0x00;
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327 strcpy( pcWriteBuffer, pcHeader );
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328 vTaskGetRunTimeStats( pcWriteBuffer + strlen( pcHeader ) );
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330 /* There is no more data to return after this single string, so return
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335 #endif /* configGENERATE_RUN_TIME_STATS */
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336 /*-----------------------------------------------------------*/
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338 static BaseType_t prvThreeParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
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340 const char *pcParameter;
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341 BaseType_t xParameterStringLength, xReturn;
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342 static BaseType_t lParameterNumber = 0;
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344 /* Remove compile time warnings about unused parameters, and check the
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345 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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346 write buffer length is adequate, so does not check for buffer overflows. */
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347 ( void ) pcCommandString;
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348 ( void ) xWriteBufferLen;
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349 configASSERT( pcWriteBuffer );
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351 if( lParameterNumber == 0 )
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353 /* The first time the function is called after the command has been
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354 entered just a header string is returned. */
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355 sprintf( pcWriteBuffer, "The three parameters were:\r\n" );
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357 /* Next time the function is called the first parameter will be echoed
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359 lParameterNumber = 1L;
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361 /* There is more data to be returned as no parameters have been echoed
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367 /* Obtain the parameter string. */
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368 pcParameter = FreeRTOS_CLIGetParameter
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370 pcCommandString, /* The command string itself. */
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371 lParameterNumber, /* Return the next parameter. */
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372 &xParameterStringLength /* Store the parameter string length. */
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375 /* Sanity check something was returned. */
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376 configASSERT( pcParameter );
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378 /* Return the parameter string. */
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379 memset( pcWriteBuffer, 0x00, xWriteBufferLen );
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380 sprintf( pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
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381 strncat( pcWriteBuffer, pcParameter, xParameterStringLength );
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382 strncat( pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
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384 /* If this is the last of the three parameters then there are no more
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385 strings to return after this one. */
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386 if( lParameterNumber == 3L )
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388 /* If this is the last of the three parameters then there are no more
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389 strings to return after this one. */
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391 lParameterNumber = 0L;
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395 /* There are more parameters to return after this one. */
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397 lParameterNumber++;
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403 /*-----------------------------------------------------------*/
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405 static BaseType_t prvParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
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407 const char *pcParameter;
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408 BaseType_t xParameterStringLength, xReturn;
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409 static BaseType_t lParameterNumber = 0;
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411 /* Remove compile time warnings about unused parameters, and check the
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412 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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413 write buffer length is adequate, so does not check for buffer overflows. */
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414 ( void ) pcCommandString;
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415 ( void ) xWriteBufferLen;
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416 configASSERT( pcWriteBuffer );
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418 if( lParameterNumber == 0 )
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420 /* The first time the function is called after the command has been
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421 entered just a header string is returned. */
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422 sprintf( pcWriteBuffer, "The parameters were:\r\n" );
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424 /* Next time the function is called the first parameter will be echoed
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426 lParameterNumber = 1L;
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428 /* There is more data to be returned as no parameters have been echoed
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434 /* Obtain the parameter string. */
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435 pcParameter = FreeRTOS_CLIGetParameter
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437 pcCommandString, /* The command string itself. */
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438 lParameterNumber, /* Return the next parameter. */
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439 &xParameterStringLength /* Store the parameter string length. */
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442 if( pcParameter != NULL )
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444 /* Return the parameter string. */
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445 memset( pcWriteBuffer, 0x00, xWriteBufferLen );
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446 sprintf( pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
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447 strncat( pcWriteBuffer, pcParameter, xParameterStringLength );
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448 strncat( pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
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450 /* There might be more parameters to return after this one. */
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452 lParameterNumber++;
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456 /* No more parameters were found. Make sure the write buffer does
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457 not contain a valid string. */
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458 pcWriteBuffer[ 0 ] = 0x00;
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460 /* No more data to return. */
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463 /* Start over the next time this command is executed. */
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464 lParameterNumber = 0;
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470 /*-----------------------------------------------------------*/
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472 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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474 static BaseType_t prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
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476 const char *pcParameter;
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477 BaseType_t lParameterStringLength;
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479 /* Remove compile time warnings about unused parameters, and check the
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480 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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481 write buffer length is adequate, so does not check for buffer overflows. */
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482 ( void ) pcCommandString;
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483 ( void ) xWriteBufferLen;
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484 configASSERT( pcWriteBuffer );
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486 /* Obtain the parameter string. */
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487 pcParameter = FreeRTOS_CLIGetParameter
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489 pcCommandString, /* The command string itself. */
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490 1, /* Return the first parameter. */
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491 &lParameterStringLength /* Store the parameter string length. */
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494 /* Sanity check something was returned. */
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495 configASSERT( pcParameter );
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497 /* There are only two valid parameter values. */
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498 if( strncmp( pcParameter, "start", strlen( "start" ) ) == 0 )
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500 /* Start or restart the trace. */
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505 sprintf( pcWriteBuffer, "Trace recording (re)started.\r\n" );
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507 else if( strncmp( pcParameter, "stop", strlen( "stop" ) ) == 0 )
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509 /* End the trace, if one is running. */
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511 sprintf( pcWriteBuffer, "Stopping trace recording.\r\n" );
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515 sprintf( pcWriteBuffer, "Valid parameters are 'start' and 'stop'.\r\n" );
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518 /* There is no more data to return after this single string, so return
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523 #endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
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