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LibrePilot/flight/OpenPilot/System/taskmonitor.c

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/**
******************************************************************************
* @addtogroup OpenPilotSystem OpenPilot System
* @{
* @addtogroup OpenPilotLibraries OpenPilot System Libraries
* @{
* @file taskmonitor.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief Task monitoring library
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "openpilot.h"
//#include "taskmonitor.h"
// Private constants
// Private types
// Private variables
static xSemaphoreHandle lock;
static xTaskHandle handles[TASKINFO_RUNNING_NUMELEM];
// Private functions
/**
* Initialize library
*/
int32_t TaskMonitorInitialize(void)
{
lock = xSemaphoreCreateRecursiveMutex();
memset(handles, 0, sizeof(xTaskHandle)*TASKINFO_RUNNING_NUMELEM);
return 0;
}
/**
* Register a task handle with the library
*/
int32_t TaskMonitorAdd(TaskInfoRunningElem task, xTaskHandle handle)
{
if (task < TASKINFO_RUNNING_NUMELEM)
{
xSemaphoreTakeRecursive(lock, portMAX_DELAY);
handles[task] = handle;
xSemaphoreGiveRecursive(lock);
return 0;
}
else
{
return -1;
}
}
/**
* Remove a task handle from the library
*/
int32_t TaskMonitorRemove(TaskInfoRunningElem task)
{
if (task < TASKINFO_RUNNING_NUMELEM)
{
xSemaphoreTakeRecursive(lock, portMAX_DELAY);
handles[task] = 0;
xSemaphoreGiveRecursive(lock);
return 0;
}
else
{
return -1;
}
}
/**
* Update the status of all tasks
*/
void TaskMonitorUpdateAll(void)
{
TaskInfoData data;
int n;
// Lock
xSemaphoreTakeRecursive(lock, portMAX_DELAY);
// Update all task information
for (n = 0; n < TASKINFO_RUNNING_NUMELEM; ++n)
{
if (handles[n] != 0)
{
data.Running[n] = TASKINFO_RUNNING_TRUE;
#if defined(ARCH_POSIX) || defined(ARCH_WIN32)
data.StackRemaining[n] = 10000;
#else
data.StackRemaining[n] = uxTaskGetStackHighWaterMark(handles[n]) * 4;
#if ( configGENERATE_RUN_TIME_STATS == 1 )
/* Generate run time stats */
data.RunningTime[n] = 100 * (float) uxTaskGetRunTime(handles[n]) / portGET_RUN_TIME_COUNTER_VALUE();
#endif
#endif
}
else
{
data.Running[n] = TASKINFO_RUNNING_FALSE;
data.StackRemaining[n] = 0;
data.RunningTime[n] = 0;
}
}
// Update object
TaskInfoSet(&data);
// Done
xSemaphoreGiveRecursive(lock);
}