2 FreeRTOS V7.5.2 - 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 itcan 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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75 /******************************************************************************
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77 * See the following URL for information on the commands defined in this file:
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78 * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/Ethernet_Related_CLI_Commands.shtml
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80 ******************************************************************************/
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83 /* FreeRTOS includes. */
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84 #include "FreeRTOS.h"
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87 /* Standard includes. */
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92 /* FreeRTOS+CLI includes. */
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93 #include "FreeRTOS_CLI.h"
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95 #ifndef configINCLUDE_TRACE_RELATED_CLI_COMMANDS
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96 #define configINCLUDE_TRACE_RELATED_CLI_COMMANDS 0
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101 * Implements the run-time-stats command.
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103 static portBASE_TYPE prvTaskStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
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106 * Implements the task-stats command.
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108 static portBASE_TYPE prvRunTimeStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
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111 * Implements the echo-three-parameters command.
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113 static portBASE_TYPE prvThreeParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
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116 * Implements the echo-parameters command.
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118 static portBASE_TYPE prvParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
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121 * Registers the CLI commands defined within this file with the FreeRTOS+CLI
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122 * command line interface.
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124 void vRegisterSampleCLICommands( void );
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127 * Implements the "trace start" and "trace stop" commands;
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129 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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130 static portBASE_TYPE prvStartStopTraceCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
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133 /* Structure that defines the "run-time-stats" command line command. This
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134 generates a table that shows how much run time each task has */
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135 static const CLI_Command_Definition_t xRunTimeStats =
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137 "run-time-stats", /* The command string to type. */
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138 "\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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139 prvRunTimeStatsCommand, /* The function to run. */
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140 0 /* No parameters are expected. */
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143 /* Structure that defines the "task-stats" command line command. This generates
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144 a table that gives information on each task in the system. */
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145 static const CLI_Command_Definition_t xTaskStats =
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147 "task-stats", /* The command string to type. */
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148 "\r\ntask-stats:\r\n Displays a table showing the state of each FreeRTOS task\r\n",
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149 prvTaskStatsCommand, /* The function to run. */
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150 0 /* No parameters are expected. */
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153 /* Structure that defines the "echo_3_parameters" command line command. This
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154 takes exactly three parameters that the command simply echos back one at a
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156 static const CLI_Command_Definition_t xThreeParameterEcho =
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158 "echo-3-parameters",
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159 "\r\necho-3-parameters <param1> <param2> <param3>:\r\n Expects three parameters, echos each in turn\r\n",
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160 prvThreeParameterEchoCommand, /* The function to run. */
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161 3 /* Three parameters are expected, which can take any value. */
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164 /* Structure that defines the "echo_parameters" command line command. This
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165 takes a variable number of parameters that the command simply echos back one at
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167 static const CLI_Command_Definition_t xParameterEcho =
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170 "\r\necho-parameters <...>:\r\n Take variable number of parameters, echos each in turn\r\n",
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171 prvParameterEchoCommand, /* The function to run. */
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172 -1 /* The user can enter any number of commands. */
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175 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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176 /* Structure that defines the "trace" command line command. This takes a single
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177 parameter, which can be either "start" or "stop". */
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178 static const CLI_Command_Definition_t xStartStopTrace =
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181 "\r\ntrace [start | stop]:\r\n Starts or stops a trace recording for viewing in FreeRTOS+Trace\r\n",
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182 prvStartStopTraceCommand, /* The function to run. */
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183 1 /* One parameter is expected. Valid values are "start" and "stop". */
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185 #endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
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187 /*-----------------------------------------------------------*/
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189 void vRegisterSampleCLICommands( void )
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191 /* Register all the command line commands defined immediately above. */
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192 FreeRTOS_CLIRegisterCommand( &xTaskStats );
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193 FreeRTOS_CLIRegisterCommand( &xRunTimeStats );
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194 FreeRTOS_CLIRegisterCommand( &xThreeParameterEcho );
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195 FreeRTOS_CLIRegisterCommand( &xParameterEcho );
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197 #if( configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 )
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199 FreeRTOS_CLIRegisterCommand( & xStartStopTrace );
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203 /*-----------------------------------------------------------*/
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205 static portBASE_TYPE prvTaskStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
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207 const int8_t *const pcHeader = ( int8_t * ) "Task State Priority Stack #\r\n************************************************\r\n";
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209 /* Remove compile time warnings about unused parameters, and check the
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210 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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211 write buffer length is adequate, so does not check for buffer overflows. */
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212 ( void ) pcCommandString;
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213 ( void ) xWriteBufferLen;
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214 configASSERT( pcWriteBuffer );
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216 /* Generate a table of task stats. */
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217 strcpy( ( char * ) pcWriteBuffer, ( char * ) pcHeader );
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218 vTaskList( pcWriteBuffer + strlen( ( char * ) pcHeader ) );
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220 /* There is no more data to return after this single string, so return
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224 /*-----------------------------------------------------------*/
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226 static portBASE_TYPE prvRunTimeStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
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228 const int8_t * const pcHeader = ( int8_t * ) "Task Abs Time % Time\r\n****************************************\r\n";
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230 /* Remove compile time warnings about unused parameters, and check the
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231 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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232 write buffer length is adequate, so does not check for buffer overflows. */
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233 ( void ) pcCommandString;
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234 ( void ) xWriteBufferLen;
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235 configASSERT( pcWriteBuffer );
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237 /* Generate a table of task stats. */
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238 strcpy( ( char * ) pcWriteBuffer, ( char * ) pcHeader );
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239 vTaskGetRunTimeStats( pcWriteBuffer + strlen( ( char * ) pcHeader ) );
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241 /* There is no more data to return after this single string, so return
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245 /*-----------------------------------------------------------*/
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247 static portBASE_TYPE prvThreeParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
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249 int8_t *pcParameter;
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250 portBASE_TYPE xParameterStringLength, xReturn;
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251 static portBASE_TYPE lParameterNumber = 0;
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253 /* Remove compile time warnings about unused parameters, and check the
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254 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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255 write buffer length is adequate, so does not check for buffer overflows. */
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256 ( void ) pcCommandString;
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257 ( void ) xWriteBufferLen;
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258 configASSERT( pcWriteBuffer );
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260 if( lParameterNumber == 0 )
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262 /* The first time the function is called after the command has been
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263 entered just a header string is returned. */
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264 sprintf( ( char * ) pcWriteBuffer, "The three parameters were:\r\n" );
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266 /* Next time the function is called the first parameter will be echoed
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268 lParameterNumber = 1L;
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270 /* There is more data to be returned as no parameters have been echoed
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276 /* Obtain the parameter string. */
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277 pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
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279 pcCommandString, /* The command string itself. */
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280 lParameterNumber, /* Return the next parameter. */
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281 &xParameterStringLength /* Store the parameter string length. */
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284 /* Sanity check something was returned. */
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285 configASSERT( pcParameter );
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287 /* Return the parameter string. */
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288 memset( pcWriteBuffer, 0x00, xWriteBufferLen );
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289 sprintf( ( char * ) pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
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290 strncat( ( char * ) pcWriteBuffer, ( const char * ) pcParameter, xParameterStringLength );
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291 strncat( ( char * ) pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
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293 /* If this is the last of the three parameters then there are no more
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294 strings to return after this one. */
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295 if( lParameterNumber == 3L )
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297 /* If this is the last of the three parameters then there are no more
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298 strings to return after this one. */
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300 lParameterNumber = 0L;
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304 /* There are more parameters to return after this one. */
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306 lParameterNumber++;
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312 /*-----------------------------------------------------------*/
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314 static portBASE_TYPE prvParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
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316 int8_t *pcParameter;
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317 portBASE_TYPE xParameterStringLength, xReturn;
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318 static portBASE_TYPE lParameterNumber = 0;
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320 /* Remove compile time warnings about unused parameters, and check the
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321 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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322 write buffer length is adequate, so does not check for buffer overflows. */
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323 ( void ) pcCommandString;
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324 ( void ) xWriteBufferLen;
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325 configASSERT( pcWriteBuffer );
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327 if( lParameterNumber == 0 )
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329 /* The first time the function is called after the command has been
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330 entered just a header string is returned. */
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331 sprintf( ( char * ) pcWriteBuffer, "The parameters were:\r\n" );
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333 /* Next time the function is called the first parameter will be echoed
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335 lParameterNumber = 1L;
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337 /* There is more data to be returned as no parameters have been echoed
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343 /* Obtain the parameter string. */
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344 pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
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346 pcCommandString, /* The command string itself. */
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347 lParameterNumber, /* Return the next parameter. */
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348 &xParameterStringLength /* Store the parameter string length. */
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351 if( pcParameter != NULL )
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353 /* Return the parameter string. */
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354 memset( pcWriteBuffer, 0x00, xWriteBufferLen );
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355 sprintf( ( char * ) pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
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356 strncat( ( char * ) pcWriteBuffer, ( const char * ) pcParameter, xParameterStringLength );
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357 strncat( ( char * ) pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
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359 /* There might be more parameters to return after this one. */
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361 lParameterNumber++;
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365 /* No more parameters were found. Make sure the write buffer does
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366 not contain a valid string. */
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367 pcWriteBuffer[ 0 ] = 0x00;
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369 /* No more data to return. */
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372 /* Start over the next time this command is executed. */
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373 lParameterNumber = 0;
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379 /*-----------------------------------------------------------*/
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381 #if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
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383 static portBASE_TYPE prvStartStopTraceCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
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385 int8_t *pcParameter;
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386 portBASE_TYPE lParameterStringLength;
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388 /* Remove compile time warnings about unused parameters, and check the
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389 write buffer is not NULL. NOTE - for simplicity, this example assumes the
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390 write buffer length is adequate, so does not check for buffer overflows. */
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391 ( void ) pcCommandString;
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392 ( void ) xWriteBufferLen;
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393 configASSERT( pcWriteBuffer );
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395 /* Obtain the parameter string. */
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396 pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
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398 pcCommandString, /* The command string itself. */
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399 1, /* Return the first parameter. */
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400 &lParameterStringLength /* Store the parameter string length. */
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403 /* Sanity check something was returned. */
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404 configASSERT( pcParameter );
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406 /* There are only two valid parameter values. */
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407 if( strncmp( ( const char * ) pcParameter, "start", strlen( "start" ) ) == 0 )
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409 /* Start or restart the trace. */
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414 sprintf( ( char * ) pcWriteBuffer, "Trace recording (re)started.\r\n" );
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416 else if( strncmp( ( const char * ) pcParameter, "stop", strlen( "stop" ) ) == 0 )
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418 /* End the trace, if one is running. */
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420 sprintf( ( char * ) pcWriteBuffer, "Stopping trace recording.\r\n" );
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424 sprintf( ( char * ) pcWriteBuffer, "Valid parameters are 'start' and 'stop'.\r\n" );
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427 /* There is no more data to return after this single string, so return
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432 #endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
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