📄 os_probe.c
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/*
*********************************************************************************************************
* uC/Probe uC/OS-II Plug-in
*
* (c) Copyright 2003-2006; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
* Knowledge of the source code may NOT be used to develop a similar product.
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* uC/Probe
*
* Plug-in for uC/OS-II
*
* Filename : os_probe.c
* Version : V1.00
* Programmer(s) : Brian Nagel
*********************************************************************************************************
*/
#define OS_PROBE_GLOBALS
#include <includes.h>
#if uC_PROBE_OS_PLUGIN > 0
/*
*********************************************************************************************************
* CONSTANTS
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL VARIABLES
*********************************************************************************************************
*/
#if OS_PROBE_TASK > 0
static OS_STK OSProbe_TaskStk[OS_PROBE_TASK_STK_SIZE];
#endif
/*
*********************************************************************************************************
* LOCAL FUNCTION PROTOTYPES
*********************************************************************************************************
*/
#if OS_PROBE_TASK > 0
static void OSProbe_InitOS(void);
static void OSProbe_Task(void *p_arg);
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* INITIALIZE uC/OS-View
*********************************************************************************************************
*/
void OSProbe_Init (void)
{
#if OS_PROBE_TASK > 0
OSProbe_SetDelay(100);
OSProbe_SetCallback((void (*)(void))0); /* Force terminal callback function to 'nothing' */
(void)OSProbe_TaskCPUUsage;
(void)OSProbe_TaskStkUsage;
OSProbe_InitOS();
#endif
#if OS_VIEW_MODULE > 0
#if OS_VIEW_USE_OS_PROBE > 0
OSView_Init(0);
#endif
#endif
}
/*$PAGE*/
/*
*********************************************************************************************************
* INITIALIZE THE uC/OS-View TASK AND OS OBJECTS
*********************************************************************************************************
*/
#if OS_PROBE_TASK > 0
static void OSProbe_InitOS (void)
{
#if OS_TASK_NAME_SIZE > 7 || OS_EVENT_NAME_SIZE > 7
INT8U err;
#endif
#if OS_TASK_CREATE_EXT_EN > 0
#if OS_STK_GROWTH == 1
(void)OSTaskCreateExt(OSProbe_Task,
(void *)0, /* No arguments passed to OSProbe_Task() */
&OSProbe_TaskStk[OS_PROBE_TASK_STK_SIZE - 1], /* Set Top-Of-Stack */
OS_PROBE_TASK_PRIO, /* Lowest priority level */
OS_PROBE_TASK_ID,
&OSProbe_TaskStk[0], /* Set Bottom-Of-Stack */
OS_PROBE_TASK_STK_SIZE,
(void *)0, /* No TCB extension */
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR); /* Enable stack checking + clear stack */
#else
(void)OSTaskCreateExt(OSProbe_Task,
(void *)0, /* No arguments passed to OSProbe_Task() */
&OSProbe_TaskStk[0], /* Set Top-Of-Stack */
OS_PROBE_TASK_PRIO, /* Lowest priority level */
OS_PROBE_TASK_ID,
&OSProbe_TaskStk[OS_PROBE_TASK_STK_SIZE - 1], /* Set Bottom-Of-Stack */
OS_PROBE_TASK_STK_SIZE,
(void *)0, /* No TCB extension */
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR); /* Enable stack checking + clear stack */
#endif
#else
#if OS_STK_GROWTH == 1
(void)OSTaskCreate(OSProbe_Task,
(void *)0,
&OSProbe_TaskStk[OS_PROBE_TASK_STK_SIZE - 1],
OS_PROBE_TASK_PRIO);
#else
(void)OSTaskCreate(OSProbe_Task,
(void *)0,
&OSProbe_TaskStk[0],
OS_PROBE_TASK_PRIO);
#endif
#endif
#if OS_TASK_NAME_SIZE > 19
OSTaskNameSet(OS_PROBE_TASK_PRIO, (INT8U *)"uC/Probe OS Plug-In", &err);
#else
#if OS_TASK_NAME_SIZE > 11
OSTaskNameSet(OS_PROBE_TASK_PRIO, (INT8U *)"uC/Probe OS", &err);
#endif
#endif
}
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* uC/OS-View TASK
*********************************************************************************************************
*/
#if OS_PROBE_TASK > 0
static void OSProbe_Task (void *p_arg)
{
OS_TCB *ptcb;
INT16U i;
INT32U cycles_tot;
INT32U cycles_dif[OS_MAX_TASKS];
INT32U cycles_tot_last[OS_MAX_TASKS];
(void)p_arg;
/* Initialize stored CyclesTot values */
for (i = 0; i < OS_MAX_TASKS; i++) {
cycles_tot_last[i] = 0;
OSProbe_TaskStkUsage[i] = 0;
OSProbe_TaskCPUUsage[i] = 0;
}
while (1) {
OSTimeDlyHMSM(0, 0, 0, OSProbe_Delay);
if ((CPU_INT32U)OSProbe_CallbackFnct != 0) {
OSProbe_CallbackFnct();
}
/* Update task CPU usage */
i = 0;
cycles_tot = 0;
ptcb = &OSTCBTbl[0]; /* ... Get pointer to first TCB ... */
while (i < OS_MAX_TASKS) {
if (ptcb == NULL) {
break; /* ... If ptcb is NULL, then last TCB reached ... */
}
/* ... Calculate new CyclesDif, the number of cycles ... */
/* ... used by the task since the last reading. Half ... */
/* ... the previous value is added to provide some ... */
/* ... hysteresis, thereby reducing the natural "jitter" ..*/
/* ... in the data. */
cycles_dif[i] = (ptcb->OSTCBCyclesTot - cycles_tot_last[i]) / 2 + (cycles_dif[i] / 2);
cycles_tot_last[i] = ptcb->OSTCBCyclesTot;
cycles_tot += cycles_dif[i];
if (ptcb->OSTCBStkSize == 0) {
OSProbe_TaskStkUsage[i] = 0;
} else {
#if OS_STK_GROWTH == 1
OSProbe_TaskStkUsage[i] = (CPU_FP32)(((CPU_INT32U)(ptcb->OSTCBStkBase) - (CPU_INT32U)(ptcb->OSTCBStkPtr)) * 100)
/ ((ptcb->OSTCBStkSize) * sizeof (OS_STK));
#else
OSProbe_TaskStkUsage[i] = (CPU_FP32)(((CPU_INT32U)(ptcb->OSTCBStkPtr) - (CPU_INT32U)(ptcb->OSTCBStkBase)) * 100)
/ ((ptcb->OSTCBStkSize) * sizeof (OS_STK));
#endif
}
ptcb = ptcb->OSTCBPrev;
i++;
}
/* ... For each task, calculate percent CPU usage. */
for (i = 0; i < OS_MAX_TASKS; i++) {
OSProbe_TaskCPUUsage[i] = (CPU_FP32)(cycles_dif[i] * 100) / cycles_tot;
}
}
}
#endif
/*
*********************************************************************************************************
* Set Callback Function
*
* Description: This routine sets the callback function which will be invoked in OSProbe_Task()
*
* Argument(s): call_back is a pointer to the callback function.
*
* Returns : none.
*********************************************************************************************************
*/
#if OS_PROBE_TASK > 0
void OSProbe_SetCallback(void (*call_back)(void))
{
OSProbe_CallbackFnct = call_back;
}
#endif
/*
*********************************************************************************************************
* Set Task Delay
*
* Description: This routine sets the delay used in OSProbe_Task()
*
* Argument(s): delay is the delay, in milliseconds.
*
* Returns : none.
*********************************************************************************************************
*/
#if OS_PROBE_TASK > 0
void OSProbe_SetDelay (INT16U delay)
{
OSProbe_Delay = delay;
}
#endif
#endif
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