static portBASE_TYPE prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
{
const char *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 = 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( pcParameter, "start", strlen( "start" ) ) == 0 )
{
/* Start or restart the trace. */
vTraceStop();
vTraceClear();
uiTraceStart();
sprintf( pcWriteBuffer, "Trace recording (re)started.\r\n" );
}
else if( strncmp( pcParameter, "stop", strlen( "stop" ) ) == 0 )
{
/* End the trace, if one is running. */
vTraceStop();
sprintf( pcWriteBuffer, "Stopping trace recording and dumping log to disk.\r\n" );
prvSaveTraceFile();
}
else
{
sprintf( 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;
}
void vApplicationIdleHook( void )
{
/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
to 1 in FreeRTOSConfig.h. It will be called on each iteration of the idle
task. It is essential that code added to this hook function never attempts
to block in any way (for example, call xQueueReceive() with a block time
specified, or call vTaskDelay()). If the application makes use of the
vTaskDelete() API function (as this demo application does) then it is also
important that vApplicationIdleHook() is permitted to return to its calling
function, because it is the responsibility of the idle task to clean up
memory allocated by the kernel to any task that has since been deleted. */
/* The trace can be stopped with any key press. */
if( _kbhit() != pdFALSE )
{
if( xTraceRunning == pdTRUE )
{
vTraceStop();
prvSaveTraceFile();
xTraceRunning = pdFALSE;
}
}
#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
{
/* Call the idle task processing used by the full demo. The simple
blinky demo does not use the idle task hook. */
vFullDemoIdleFunction();
}
#endif
}
void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
{
static portBASE_TYPE xPrinted = pdFALSE;
volatile uint32_t ulSetToNonZeroInDebuggerToContinue = 0;
/* Parameters are not used. */
( void ) ulLine;
( void ) pcFileName;
taskENTER_CRITICAL();
{
/* Stop the trace recording. */
if( xPrinted == pdFALSE )
{
xPrinted = pdTRUE;
if( xTraceRunning == pdTRUE )
{
vTraceStop();
prvSaveTraceFile();
}
}
/* You can step out of this function to debug the assertion by using
the debugger to set ulSetToNonZeroInDebuggerToContinue to a non-zero
value. */
while( ulSetToNonZeroInDebuggerToContinue == 0 )
{
__asm volatile( "NOP" );
__asm volatile( "NOP" );
}
}
taskEXIT_CRITICAL();
}
/*******************************************************************************
* vTraceError
*
* Called by various parts in the recorder. Stops the recorder and stores a
* pointer to an error message, which is printed by the monitor task.
* If you are not using the monitor task, you may use xTraceGetLastError()
* from your application to check if the recorder is OK.
*
* Note: If a recorder error is registered before vTraceStart is called, the
* trace start will be aborted. This can occur if any of the Nxxxx constants
* (e.g., NTask) in trcConfig.h is too small.
******************************************************************************/
void vTraceError(char* msg)
{
vTraceStop();
if (traceErrorMessage == NULL)
{
traceErrorMessage = msg;
(void)strncpy(RecorderDataPtr->systemInfo,
traceErrorMessage,
TRACE_DESCRIPTION_MAX_LENGTH);
RecorderDataPtr->internalErrorOccured = 1;
}
}
/*******************************************************************************
* prvTraceUpdateCounters
*
* Updates the index of the event buffer.
******************************************************************************/
void prvTraceUpdateCounters(void)
{
if (RecorderDataPtr->recorderActive == 0)
{
return;
}
#if (INCLUDE_EVENT_STATS == 1)
eventCount[RecorderDataPtr->eventData[RecorderDataPtr->nextFreeIndex*4]]++;
#endif
RecorderDataPtr->numEvents++;
RecorderDataPtr->nextFreeIndex++;
if (RecorderDataPtr->nextFreeIndex >= EVENT_BUFFER_SIZE)
{
#if (RECORDER_STORE_MODE == STORE_MODE_RING_BUFFER)
RecorderDataPtr->bufferIsFull = 1;
RecorderDataPtr->nextFreeIndex = 0;
#else
vTraceStop();
#endif
}
#if (RECORDER_STORE_MODE == STORE_MODE_RING_BUFFER)
prvCheckDataToBeOverwrittenForMultiEntryUserEvents(1);
#endif
#ifdef STOP_AFTER_N_EVENTS
#if (STOP_AFTER_N_EVENTS > -1)
if (RecorderDataPtr->numEvents >= STOP_AFTER_N_EVENTS)
{
vTraceStop();
}
#endif
#endif
}
void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
{
/* Parameters are not used. */
( void ) ulLine;
( void ) pcFileName;
taskDISABLE_INTERRUPTS();
/* Stop the trace recording. */
if( xTraceRunning == pdTRUE )
{
vTraceStop();
prvSaveTraceFile();
}
for( ;; );
}
void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
{
static portBASE_TYPE xPrinted = pdFALSE;
/* Parameters are not used. */
( void ) ulLine;
( void ) pcFileName;
taskDISABLE_INTERRUPTS();
/* Stop the trace recording. */
if( xPrinted == pdFALSE )
{
xPrinted = pdTRUE;
if( xTraceRunning == pdTRUE )
{
vTraceStop();
prvSaveTraceFile();
}
}
for( ;; );
}