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pigweed / third_party / github / FreeRTOS / FreeRTOS-Kernel / 96ceae8edd53cfa3673d3b3a9113f6df3a714d81 / . / FreeRTOS-Plus / Demo / Common / FreeRTOS_Plus_UDP_Demos / CLICommands / CLI-commands.c
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/*
FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd.
FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
***************************************************************************
* *
* FreeRTOS tutorial books are available in pdf and paperback. *
* Complete, revised, and edited pdf reference manuals are also *
* available. *
* *
* Purchasing FreeRTOS documentation will not only help you, by *
* ensuring you get running as quickly as possible and with an *
* in-depth knowledge of how to use FreeRTOS, it will also help *
* the FreeRTOS project to continue with its mission of providing *
* professional grade, cross platform, de facto standard solutions *
* for microcontrollers - completely free of charge! *
* *
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
* *
* Thank you for using FreeRTOS, and thank you for your support! *
* *
***************************************************************************
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
>>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details. You should have received a copy of the GNU General Public License
and the FreeRTOS license exception along with FreeRTOS; if not it can be
viewed here: http://www.freertos.org/a00114.html and also obtained by
writing to Real Time Engineers Ltd., contact details for whom are available
on the FreeRTOS WEB site.
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***************************************************************************
* *
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* not run, what could be wrong?" *
* *
* http://www.FreeRTOS.org/FAQHelp.html *
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***************************************************************************
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engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
*/
/******************************************************************************
*
* See the following URL for information on the commands defined in this file:
* http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/Ethernet_Related_CLI_Commands.shtml
*
******************************************************************************/
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Standard includes. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
/* FreeRTOS+CLI includes. */
#include "FreeRTOS_CLI.h"
/* FreeRTOS+UDP includes, just to make the stats available to the CLI
commands. */
#include "FreeRTOS_UDP_IP.h"
#include "FreeRTOS_Sockets.h"
#ifndef configINCLUDE_TRACE_RELATED_CLI_COMMANDS
#define configINCLUDE_TRACE_RELATED_CLI_COMMANDS 0
#endif
/*
* Implements the run-time-stats command.
*/
static portBASE_TYPE prvTaskStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Implements the task-stats command.
*/
static portBASE_TYPE prvRunTimeStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Implements the echo-three-parameters command.
*/
static portBASE_TYPE prvThreeParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Implements the echo-parameters command.
*/
static portBASE_TYPE prvParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Defines a command that prints out IP address information.
*/
static portBASE_TYPE prvDisplayIPConfig( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Defines a command that prints out the gathered demo debug stats.
*/
static portBASE_TYPE prvDisplayIPDebugStats( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Defines a command that sends an ICMP ping request to an IP address.
*/
static portBASE_TYPE prvPingCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
/*
* Implements the "trace start" and "trace stop" commands;
*/
#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
static portBASE_TYPE prvStartStopTraceCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString );
#endif
/* Structure that defines the "ip-config" command line command. */
static const CLI_Command_Definition_t xIPConfig =
{
( const int8_t * const ) "ip-config",
( const int8_t * const ) "ip-config:\r\n Displays IP address configuration\r\n\r\n",
prvDisplayIPConfig,
0
};
#if configINCLUDE_DEMO_DEBUG_STATS != 0
/* Structure that defines the "ip-debug-stats" command line command. */
static const CLI_Command_Definition_t xIPDebugStats =
{
( const int8_t * const ) "ip-debug-stats", /* The command string to type. */
( const int8_t * const ) "ip-debug-stats:\r\n Shows some IP stack stats useful for debug - an example only.\r\n\r\n",
prvDisplayIPDebugStats, /* The function to run. */
0 /* No parameters are expected. */
};
#endif /* configINCLUDE_DEMO_DEBUG_STATS */
/* Structure that defines the "run-time-stats" command line command. This
generates a table that shows how much run time each task has */
static const CLI_Command_Definition_t xRunTimeStats =
{
( const int8_t * const ) "run-time-stats", /* The command string to type. */
( const int8_t * const ) "run-time-stats:\r\n Displays a table showing how much processing time each FreeRTOS task has used\r\n\r\n",
prvRunTimeStatsCommand, /* The function to run. */
0 /* No parameters are expected. */
};
/* Structure that defines the "task-stats" command line command. This generates
a table that gives information on each task in the system. */
static const CLI_Command_Definition_t xTaskStats =
{
( const int8_t * const ) "task-stats", /* The command string to type. */
( const int8_t * const ) "task-stats:\r\n Displays a table showing the state of each FreeRTOS task\r\n\r\n",
prvTaskStatsCommand, /* The function to run. */
0 /* No parameters are expected. */
};
/* Structure that defines the "echo_3_parameters" command line command. This
takes exactly three parameters that the command simply echos back one at a
time. */
static const CLI_Command_Definition_t xThreeParameterEcho =
{
( const int8_t * const ) "echo-3-parameters",
( const int8_t * const ) "echo-3-parameters <param1> <param2> <param3>:\r\n Expects three parameters, echos each in turn\r\n\r\n",
prvThreeParameterEchoCommand, /* The function to run. */
3 /* Three parameters are expected, which can take any value. */
};
/* Structure that defines the "echo_parameters" command line command. This
takes a variable number of parameters that the command simply echos back one at
a time. */
static const CLI_Command_Definition_t xParameterEcho =
{
( const int8_t * const ) "echo-parameters",
( const int8_t * const ) "echo-parameters <...>:\r\n Take variable number of parameters, echos each in turn\r\n\r\n",
prvParameterEchoCommand, /* The function to run. */
-1 /* The user can enter any number of commands. */
};
#if ipconfigSUPPORT_OUTGOING_PINGS == 1
/* Structure that defines the "ping" command line command. This takes an IP
address or host name and (optionally) the number of bytes to ping as
parameters. */
static const CLI_Command_Definition_t xPing =
{
( const int8_t * const ) "ping",
( const int8_t * const ) "ping <ipaddress> <optional:bytes to send>:\r\n for example, ping 192.168.0.3 8, or ping www.example.com\r\n\r\n",
prvPingCommand, /* The function to run. */
-1 /* Ping can take either one or two parameter, so the number of parameters has to be determined by the ping command implementation. */
};
#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
/* Structure that defines the "trace" command line command. This takes a single
parameter, which can be either "start" or "stop". */
static const CLI_Command_Definition_t xStartStopTrace =
{
( const int8_t * const ) "trace",
( const int8_t * const ) "trace [start | stop]:\r\n Starts or stops a trace recording for viewing in FreeRTOS+Trace\r\n\r\n",
prvStartStopTraceCommand, /* The function to run. */
1 /* One parameter is expected. Valid values are "start" and "stop". */
};
#endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
/*-----------------------------------------------------------*/
void vRegisterCLICommands( void )
{
/* Register all the command line commands defined immediately above. */
FreeRTOS_CLIRegisterCommand( &xTaskStats );
FreeRTOS_CLIRegisterCommand( &xRunTimeStats );
FreeRTOS_CLIRegisterCommand( &xThreeParameterEcho );
FreeRTOS_CLIRegisterCommand( &xParameterEcho );
FreeRTOS_CLIRegisterCommand( &xIPDebugStats );
FreeRTOS_CLIRegisterCommand( &xIPConfig );
#if ipconfigSUPPORT_OUTGOING_PINGS == 1
{
FreeRTOS_CLIRegisterCommand( &xPing );
}
#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
FreeRTOS_CLIRegisterCommand( & xStartStopTrace );
#endif
}
/*-----------------------------------------------------------*/
static portBASE_TYPE prvTaskStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
const int8_t *const pcHeader = ( int8_t * ) "Task State Priority Stack #\r\n************************************************\r\n";
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
/* Generate a table of task stats. */
strcpy( ( char * ) pcWriteBuffer, ( char * ) pcHeader );
vTaskList( pcWriteBuffer + strlen( ( char * ) pcHeader ) );
/* There is no more data to return after this single string, so return
pdFALSE. */
return pdFALSE;
}
/*-----------------------------------------------------------*/
static portBASE_TYPE prvRunTimeStatsCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
const int8_t * const pcHeader = ( int8_t * ) "Task Abs Time % Time\r\n****************************************\r\n";
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
/* Generate a table of task stats. */
strcpy( ( char * ) pcWriteBuffer, ( char * ) pcHeader );
vTaskGetRunTimeStats( pcWriteBuffer + strlen( ( char * ) pcHeader ) );
/* There is no more data to return after this single string, so return
pdFALSE. */
return pdFALSE;
}
/*-----------------------------------------------------------*/
static portBASE_TYPE prvThreeParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
int8_t *pcParameter;
portBASE_TYPE xParameterStringLength, xReturn;
static portBASE_TYPE lParameterNumber = 0;
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
if( lParameterNumber == 0 )
{
/* The first time the function is called after the command has been
entered just a header string is returned. */
sprintf( ( char * ) pcWriteBuffer, "The three parameters were:\r\n" );
/* Next time the function is called the first parameter will be echoed
back. */
lParameterNumber = 1L;
/* There is more data to be returned as no parameters have been echoed
back yet. */
xReturn = pdPASS;
}
else
{
/* Obtain the parameter string. */
pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
(
pcCommandString, /* The command string itself. */
lParameterNumber, /* Return the next parameter. */
&xParameterStringLength /* Store the parameter string length. */
);
/* Sanity check something was returned. */
configASSERT( pcParameter );
/* Return the parameter string. */
memset( pcWriteBuffer, 0x00, xWriteBufferLen );
sprintf( ( char * ) pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
strncat( ( char * ) pcWriteBuffer, ( const char * ) pcParameter, xParameterStringLength );
strncat( ( char * ) pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
/* If this is the last of the three parameters then there are no more
strings to return after this one. */
if( lParameterNumber == 3L )
{
/* If this is the last of the three parameters then there are no more
strings to return after this one. */
xReturn = pdFALSE;
lParameterNumber = 0L;
}
else
{
/* There are more parameters to return after this one. */
xReturn = pdTRUE;
lParameterNumber++;
}
}
return xReturn;
}
/*-----------------------------------------------------------*/
static portBASE_TYPE prvParameterEchoCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
int8_t *pcParameter;
portBASE_TYPE xParameterStringLength, xReturn;
static portBASE_TYPE lParameterNumber = 0;
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
if( lParameterNumber == 0 )
{
/* The first time the function is called after the command has been
entered just a header string is returned. */
sprintf( ( char * ) pcWriteBuffer, "The parameters were:\r\n" );
/* Next time the function is called the first parameter will be echoed
back. */
lParameterNumber = 1L;
/* There is more data to be returned as no parameters have been echoed
back yet. */
xReturn = pdPASS;
}
else
{
/* Obtain the parameter string. */
pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
(
pcCommandString, /* The command string itself. */
lParameterNumber, /* Return the next parameter. */
&xParameterStringLength /* Store the parameter string length. */
);
if( pcParameter != NULL )
{
/* Return the parameter string. */
memset( pcWriteBuffer, 0x00, xWriteBufferLen );
sprintf( ( char * ) pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
strncat( ( char * ) pcWriteBuffer, ( const char * ) pcParameter, xParameterStringLength );
strncat( ( char * ) pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
/* There might be more parameters to return after this one. */
xReturn = pdTRUE;
lParameterNumber++;
}
else
{
/* No more parameters were found. Make sure the write buffer does
not contain a valid string. */
pcWriteBuffer[ 0 ] = 0x00;
/* No more data to return. */
xReturn = pdFALSE;
/* Start over the next time this command is executed. */
lParameterNumber = 0;
}
}
return xReturn;
}
/*-----------------------------------------------------------*/
#if ipconfigSUPPORT_OUTGOING_PINGS == 1
static portBASE_TYPE prvPingCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
int8_t * pcParameter;
portBASE_TYPE lParameterStringLength, xReturn;
uint32_t ulIPAddress, ulBytesToPing;
const uint32_t ulDefaultBytesToPing = 8UL;
int8_t cBuffer[ 16 ];
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
/* Start with an empty string. */
pcWriteBuffer[ 0 ] = 0x00;
/* Obtain the number of bytes to ping. */
pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
(
pcCommandString, /* The command string itself. */
2, /* Return the second parameter. */
&lParameterStringLength /* Store the parameter string length. */
);
if( pcParameter == NULL )
{
/* The number of bytes was not specified, so default it. */
ulBytesToPing = ulDefaultBytesToPing;
}
else
{
ulBytesToPing = atol( ( const char * ) pcParameter );
}
/* Obtain the IP address string. */
pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
(
pcCommandString, /* The command string itself. */
1, /* Return the first parameter. */
&lParameterStringLength /* Store the parameter string length. */
);
/* Sanity check something was returned. */
configASSERT( pcParameter );
/* Attempt to obtain the IP address. If the first character is not a
digit, assume the host name has been passed in. */
if( ( *pcParameter >= '0' ) && ( *pcParameter <= '9' ) )
{
ulIPAddress = FreeRTOS_inet_addr( ( const uint8_t * ) pcParameter );
}
else
{
/* Terminate the host name. */
pcParameter[ lParameterStringLength ] = 0x00;
/* Attempt to resolve host. */
ulIPAddress = FreeRTOS_gethostbyname( ( uint8_t * ) pcParameter );
}
/* Convert IP address, which may have come from a DNS lookup, to string. */
FreeRTOS_inet_ntoa( ulIPAddress, ( char * ) cBuffer );
if( ulIPAddress != 0 )
{
xReturn = FreeRTOS_SendPingRequest( ulIPAddress, ( uint16_t ) ulBytesToPing, portMAX_DELAY );
}
else
{
xReturn = pdFALSE;
}
if( xReturn == pdFALSE )
{
sprintf( ( char * ) pcWriteBuffer, "%s", "Could not send ping request\r\n" );
}
else
{
sprintf( ( char * ) pcWriteBuffer, "Ping sent to %s with identifier %d\r\n", cBuffer, xReturn );
}
return pdFALSE;
}
/*-----------------------------------------------------------*/
#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
#if configINCLUDE_DEMO_DEBUG_STATS != 0
static portBASE_TYPE prvDisplayIPDebugStats( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
static portBASE_TYPE xIndex = -1;
extern xExampleDebugStatEntry_t xIPTraceValues[];
portBASE_TYPE xReturn;
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
xIndex++;
if( xIndex < xExampleDebugStatEntries() )
{
sprintf( ( char * ) pcWriteBuffer, "%s %d\r\n", ( char * ) xIPTraceValues[ xIndex ].pucDescription, ( int ) xIPTraceValues[ xIndex ].ulData );
xReturn = pdPASS;
}
else
{
/* Reset the index for the next time it is called. */
xIndex = -1;
/* Ensure nothing remains in the write buffer. */
pcWriteBuffer[ 0 ] = 0x00;
xReturn = pdFALSE;
}
return xReturn;
}
/*-----------------------------------------------------------*/
#endif /* configINCLUDE_DEMO_DEBUG_STATS */
static portBASE_TYPE prvDisplayIPConfig( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
static portBASE_TYPE xIndex = 0;
portBASE_TYPE xReturn;
uint32_t ulAddress;
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
switch( xIndex )
{
case 0 :
FreeRTOS_GetAddressConfiguration( &ulAddress, NULL, NULL, NULL );
sprintf( ( char * ) pcWriteBuffer, "\r\nIP address " );
xReturn = pdTRUE;
xIndex++;
break;
case 1 :
FreeRTOS_GetAddressConfiguration( NULL, &ulAddress, NULL, NULL );
sprintf( ( char * ) pcWriteBuffer, "\r\nNet mask " );
xReturn = pdTRUE;
xIndex++;
break;
case 2 :
FreeRTOS_GetAddressConfiguration( NULL, NULL, &ulAddress, NULL );
sprintf( ( char * ) pcWriteBuffer, "\r\nGateway address " );
xReturn = pdTRUE;
xIndex++;
break;
case 3 :
FreeRTOS_GetAddressConfiguration( NULL, NULL, NULL, &ulAddress );
sprintf( ( char * ) pcWriteBuffer, "\r\nDNS server address " );
xReturn = pdTRUE;
xIndex++;
break;
default :
ulAddress = 0;
sprintf( ( char * ) pcWriteBuffer, "\r\n\r\n" );
xReturn = pdFALSE;
xIndex = 0;
break;
}
if( ulAddress != 0 )
{
FreeRTOS_inet_ntoa( ulAddress, ( ( char * ) &( pcWriteBuffer[ strlen( ( char * ) pcWriteBuffer ) ] ) ) );
}
return xReturn;
}
/*-----------------------------------------------------------*/
#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
static portBASE_TYPE prvStartStopTraceCommand( int8_t *pcWriteBuffer, size_t xWriteBufferLen, const int8_t *pcCommandString )
{
int8_t *pcParameter;
portBASE_TYPE lParameterStringLength;
/* Remove compile time warnings about unused parameters, and check the
write buffer is not NULL. NOTE - for simplicity, this example assumes the
write buffer length is adequate, so does not check for buffer overflows. */
( void ) pcCommandString;
( void ) xWriteBufferLen;
configASSERT( pcWriteBuffer );
/* Obtain the parameter string. */
pcParameter = ( int8_t * ) FreeRTOS_CLIGetParameter
(
pcCommandString, /* The command string itself. */
1, /* Return the first parameter. */
&lParameterStringLength /* Store the parameter string length. */
);
/* Sanity check something was returned. */
configASSERT( pcParameter );
/* There are only two valid parameter values. */
if( strncmp( ( const char * ) pcParameter, "start", strlen( "start" ) ) == 0 )
{
/* Start or restart the trace. */
vTraceStop();
vTraceClear();
vTraceStart();
sprintf( ( char * ) pcWriteBuffer, "Trace recording (re)started.\r\n" );
}
else if( strncmp( ( const char * ) pcParameter, "stop", strlen( "stop" ) ) == 0 )
{
/* End the trace, if one is running. */
vTraceStop();
sprintf( ( char * ) pcWriteBuffer, "Stopping trace recording.\r\n" );
}
else
{
sprintf( ( char * ) pcWriteBuffer, "Valid parameters are 'start' and 'stop'.\r\n" );
}
/* There is no more data to return after this single string, so return
pdFALSE. */
return pdFALSE;
}
#endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */