@ -1,6 +1,8 @@
/*
FreeRTOS V7 .0 .2 - Copyright ( C ) 2011 Real Time Engineers Ltd .
FreeRTOS V7 .4 .0 - 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.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
@ -27,28 +29,47 @@
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
> > > > > > NOTE < < < < < < The modification to the GPL is included to allow you to
distribute a combined work that includes FreeRTOS without being obliged to
provide the source code for proprietary components outside of the FreeRTOS
kernel . FreeRTOS is distributed in the hope that it will be useful , but
WITHOUT ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY
or FITNESS 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 Richard Barry , contact details for whom are available on the
FreeRTOS WEB site .
kernel .
FreeRTOS is distributed in the hope that it will be useful , but WITHOUT ANY
WARRANTY ; without even the implied warranty of MERCHANTABILITY or FITNESS
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 itcan 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 .
1 tab = = 4 spaces !
http : //www.FreeRTOS.org - Documentation, latest information, license and
contact details .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Having a problem ? Start by reading the FAQ " My application does *
* not run , what could be wrong ? " *
* *
* http : //www.FreeRTOS.org/FAQHelp.html *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
http : //www.FreeRTOS.org - Documentation, books, training, latest versions,
license and Real Time Engineers Ltd . contact details .
http : //www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS + Trace - an indispensable productivity tool , and our new
fully thread aware and reentrant UDP / IP stack .
http : //www.SafeRTOS.com - A version that is certified for use in safety
critical systems .
http : //www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems , who sell the code with commercial support ,
indemnification and middleware , under the OpenRTOS brand .
http : //www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services .
http : //www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability .
*/
/*
@ -64,8 +85,8 @@
* - is not the correct page to view for information on using this lwIP demo .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* This project demonstrates use of the lwIP stack . The lwIP raw API is
* demonstrated by a simple http server that comes as part of the lwIP
* This project demonstrates use of the lwIP stack . The lwIP raw API is
* demonstrated by a simple http server that comes as part of the lwIP
* distribution - and executes in the tcpip task . The lwIP sockets API
* is demonstrated by a simple command line interpreter interface , which
* executes in its own task .
@ -81,9 +102,9 @@
* executing as expected . It maintains a status string that can be viewed on
* the " task stats " page served by the web server .
*
* More information about this demo , including details of how to set up the
* More information about this demo , including details of how to set up the
* network interface , and the command line commands that are available , is
* available on the documentation page for this demo on the
* available on the documentation page for this demo on the
* http : //www.FreeRTOS.org web site.
*
*/
@ -122,8 +143,8 @@ static void prvCheckTimerCallback( xTimerHandle xTimer );
extern void lwIPAppsInit ( void * pvArguments ) ;
/* Callbacks to handle the command line commands defined by the xTaskStats and
xRunTimeStats command definitions respectively . These functions are not
necessarily reentrant ! They must be used from one task only - or at least by
xRunTimeStats command definitions respectively . These functions are not
necessarily reentrant ! They must be used from one task only - or at least by
only one task at a time . */
static portBASE_TYPE prvTaskStatsCommand ( signed char * pcWriteBuffer , size_t xWriteBufferLen , const signed char * pcCommandString ) ;
static portBASE_TYPE prvRunTimeStatsCommand ( signed char * pcWriteBuffer , size_t xWriteBufferLen , const signed char * pcCommandString ) ;
@ -131,7 +152,7 @@ static portBASE_TYPE prvRunTimeStatsCommand( signed char *pcWriteBuffer, size_t
/* The string that latches the current demo status. */
static char * pcStatusMessage = " All tasks running without error " ;
/* Variables used in the creation of the run time stats time base. Run time
/* Variables used in the creation of the run time stats time base. Run time
stats record how much time each task spends in the Running state . */
long long llInitialRunTimeCounterValue = 0LL , llRunTimeStatsDivisor = 0LL ;
@ -234,7 +255,7 @@ void vApplicationMallocFailedHook( void )
{
const unsigned long ulLongSleep = 1000UL ;
/* Can be implemented if required, but probably not required in this
/* Can be implemented if required, but probably not required in this
environment and running this demo . */
taskDISABLE_INTERRUPTS ( ) ;
for ( ; ; )
@ -248,7 +269,7 @@ void vApplicationStackOverflowHook( void )
{
const unsigned long ulLongSleep = 1000UL ;
/* Can be implemented if required, but probably not required in this
/* Can be implemented if required, but probably not required in this
environment and running this demo . */
taskDISABLE_INTERRUPTS ( ) ;
for ( ; ; )
@ -281,7 +302,7 @@ void vMainConfigureTimerForRunTimeStats( void )
LARGE_INTEGER liPerformanceCounterFrequency , liInitialRunTimeValue ;
/* Initialise the variables used to create the run time stats time base.
Run time stats record how much time each task spends in the Running
Run time stats record how much time each task spends in the Running
state . */
if ( QueryPerformanceFrequency ( & liPerformanceCounterFrequency ) = = 0 )
@ -309,7 +330,7 @@ unsigned long ulReturn;
/* What is the performance counter value now? */
QueryPerformanceCounter ( & liCurrentCount ) ;
/* Subtract the performance counter value reading taken when the
/* Subtract the performance counter value reading taken when the
application started to get a count from that reference point , then
scale to a 32 bit number . */
ulReturn = ( unsigned long ) ( ( liCurrentCount . QuadPart - llInitialRunTimeCounterValue ) / llRunTimeStatsDivisor ) ;
@ -333,7 +354,7 @@ const char *const pcHeader = "Task State Priority Stack #\r\n********
strcpy ( pcWriteBuffer , pcHeader ) ;
vTaskList ( pcWriteBuffer + strlen ( pcHeader ) ) ;
/* There is no more data to return after this single string, so return
/* There is no more data to return after this single string, so return
pdFALSE . */
return pdFALSE ;
}
@ -354,7 +375,7 @@ const char * const pcHeader = "Task Abs Time % Time\r\n*********
strcpy ( pcWriteBuffer , pcHeader ) ;
vTaskGetRunTimeStats ( pcWriteBuffer + strlen ( pcHeader ) ) ;
/* There is no more data to return after this single string, so return
/* There is no more data to return after this single string, so return
pdFALSE . */
return pdFALSE ;
}
Richard Barry
12 years ago