system monitoring module More...

#include "sys_mon.h"
#include "diag.h"
#include "fram.h"
#include "os.h"

Include dependency graph for sys_mon.c:

Functions
static void	SYSM_RecordTimingViolation (SYSM_TASK_ID_e taskId, uint32_t taskDuration, uint32_t timestampEnter)
	Records the violation of a timing in non volatile memory. More...

static bool	SYSM_ConvertRecordedTimingsToViolation (uint32_t duration, uint32_t timestampEnter)
	Convert recorded timings into a decision (bool) whether the timing has been violated or not. More...

STD_RETURN_TYPE_e	SYSM_Init (void)
	initialization function for system monitoring More...

void	SYSM_CheckNotifications (void)
	overall system monitoring More...

void	SYSM_Notify (SYSM_TASK_ID_e taskId, SYSM_NOTIFY_TYPE_e state, uint32_t timestamp)
	Sets needed bits to indicate that a task is running. More...

void	SYSM_GetRecordedTimingViolations (SYSM_TIMING_VIOLATION_RESPONSE_s *pAnswer)
	Returns the timing violation flags determined from fram state. More...

void	SYSM_ClearAllTimingViolations (void)
	Clears all timing violations (both current and recorded) More...

void	SYSM_UpdateFramData (void)
	Commits the stored changes to FRAM if necessary. More...

void	SYSM_CopyFramStruct (const FRAM_SYS_MON_RECORD_s const kpkFrom, FRAM_SYS_MON_RECORD_s pTo)
	Copy from the from entry to the to entry. More...

Variables
static SYSM_NOTIFICATION_s	sysm_notifications [SYSM_TASK_ID_MAX]

static FRAM_SYS_MON_RECORD_s	sysm_localFramCopy = {0}

static volatile bool	sysm_flagFramCopyHasChanges = false

Detailed Description

system monitoring module

Copyright: © 2010 - 2022, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. All rights reserved.

SPDX-License-Identifier: BSD-3-Clause

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Author: foxBMS Team

Date: 2019-11-28 (date of creation)

Updated: 2022-05-30 (date of last update)

Version: v1.3.0

Prefix: SYSM

Definition in file sys_mon.c.

Function Documentation

◆ SYSM_CheckNotifications()

void SYSM_CheckNotifications ( void )

overall system monitoring

checks notifications (state and timestamps) of all system-relevant tasks or functions all checks should be customized corresponding to its timing and state requirements

early exit if nothing to do

Definition at line 150 of file sys_mon.c.

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◆ SYSM_ClearAllTimingViolations()

void SYSM_ClearAllTimingViolations ( void )

Clears all timing violations (both current and recorded)

This function clears all indicators that a timing violation has happened.

Definition at line 232 of file sys_mon.c.

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◆ SYSM_ConvertRecordedTimingsToViolation()

static bool SYSM_ConvertRecordedTimingsToViolation	(	uint32_t	duration,
		uint32_t	timestampEnter
	)

static

Convert recorded timings into a decision (bool) whether the timing has been violated or not.

Timing has been violated if both duration or timestamp are not equal to zero

Parameters

[in]	duration	duration in ticks
[in]	timestampEnter	entry timestamp in ticks

Returns: bool describing whether this is a violation (true) or not (false)

Definition at line 129 of file sys_mon.c.

◆ SYSM_CopyFramStruct()

void SYSM_CopyFramStruct	(	const FRAM_SYS_MON_RECORD_s *const	kpkFrom,
		FRAM_SYS_MON_RECORD_s *	pTo
	)

Copy from the from entry to the to entry.

Parameters

[in]	kpkFrom	pointer to the origin struct
[out]	pTo	pointer to the destination struct

Definition at line 270 of file sys_mon.c.

◆ SYSM_GetRecordedTimingViolations()

void SYSM_GetRecordedTimingViolations ( SYSM_TIMING_VIOLATION_RESPONSE_s * pAnswer )

Returns the timing violation flags determined from fram state.

This function reads the timing states and determines if a violation has occurred.

Parameters

[out] pAnswer pointer to a SYSM_TIMING_VIOLATION_RESPONSE_s struct that will be filled by the function

Definition at line 200 of file sys_mon.c.

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◆ SYSM_Init()

STD_RETURN_TYPE_e SYSM_Init ( void )

initialization function for system monitoring

Has to be called once after startup to initialize and check system monitoring related functionality

Returns: STD_OK if no configuration error detected, otherwise STD_NOT_OK

Definition at line 138 of file sys_mon.c.

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◆ SYSM_Notify()

void SYSM_Notify	(	SYSM_TASK_ID_e	taskId,
		SYSM_NOTIFY_TYPE_e	state,
		uint32_t	timestamp
	)

Sets needed bits to indicate that a task is running.

Has to be called in every function using the system monitoring.

Parameters

taskId	task id to notify system monitoring
state	whether function has been called at entry or exit
timestamp	time

Definition at line 183 of file sys_mon.c.

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◆ SYSM_RecordTimingViolation()

static void SYSM_RecordTimingViolation	(	SYSM_TASK_ID_e	taskId,
		uint32_t	taskDuration,
		uint32_t	timestampEnter
	)

static

Records the violation of a timing in non volatile memory.

Parameters

[in]	taskId	id of the violating task
[in]	taskDuration	duration of the task when recording the violation
[in]	timestampEnter	timestamp that the task has entered

Definition at line 95 of file sys_mon.c.

◆ SYSM_UpdateFramData()

void SYSM_UpdateFramData ( void )

Commits the stored changes to FRAM if necessary.

Writing to FRAM is costly (in terms of computation time), therefore it is decoupled from the main task of the sys mon module. When called, this function checks the flag sysm_flagFramCopyHasChanges and writes to FRAM if there are changes.

Definition at line 256 of file sys_mon.c.

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Variable Documentation

◆ sysm_flagFramCopyHasChanges

volatile bool sysm_flagFramCopyHasChanges = false

static

flag, indicating that the FRAM entry has been changed and should be written

Definition at line 71 of file sys_mon.c.

◆ sysm_localFramCopy

FRAM_SYS_MON_RECORD_s sysm_localFramCopy = {0}

static

local shadow copy of the FRAM entry

Definition at line 68 of file sys_mon.c.

◆ sysm_notifications

SYSM_NOTIFICATION_s sysm_notifications[SYSM_TASK_ID_MAX]

static

tracking variable for System monitoring notifications

Definition at line 65 of file sys_mon.c.

Functions

Variables

Detailed Description

Function Documentation

◆ SYSM_CheckNotifications()

◆ SYSM_ClearAllTimingViolations()

◆ SYSM_ConvertRecordedTimingsToViolation()

◆ SYSM_CopyFramStruct()

◆ SYSM_GetRecordedTimingViolations()

◆ SYSM_Init()

◆ SYSM_Notify()

◆ SYSM_RecordTimingViolation()

◆ SYSM_UpdateFramData()

Variable Documentation

◆ sysm_flagFramCopyHasChanges

◆ sysm_localFramCopy

◆ sysm_notifications