GlobalVar

press_cnt

internal counter for button press duration

Safety

Base
Name	press_cnt
Type	GlobalVar
Description	internal counter for button press duration
User-ID	GlobalVar_62
UID	_aOt6IOZpEeyZ2OzYlvU4PA
Payload
DataType	uRTE_uint16_t
InitValue	0
Storage	.button
Code
Container	run_readButton

Hazard Scenarios for associated Hazardous Events.

Hazard Scenario	Parent	Hazard Events
Potential customers don't like the tool This would be very sad.	UART	Complexity Unknown features

Hazardous Events for associated Safety Goals.

Hazardous Event	Parent	Probability	Controllability	Effect	SIL	Safety-Goals
Complexity The user might think µRTE is hard to use.	UART				QM	Show most important features in an lightweight demo
Unknown features The customer might not see the full spectrum of features µRTE comes with.	UART				QM	Show most important features in an lightweight demo

Safety Goals linking to the Requirements.

Safety Goal	Parent	Function Type	SIL derived	SIL manual	SIL effective	Safe State	Safety Requirements
Show most important features in an lightweight demo An small demo model with the most important features shall show the most important features of µRTE.	UART	System_Function	QM	derived	QM	Show slides	(SafetyRequirement_94) Global variables (Requirement_95) UART (SafetyRequirement_110) Hardware Interfacing (SafetyRequirement_111) SignalLayer features (Requirement_95) UART (SafetyRequirement_96) Inter-task communication (SafetyRequirement_97) local and global signals (Requirement_95) UART (SafetyRequirement_111) SignalLayer features (Requirement_95) UART (SafetyRequirement_98) Multiple System-States (Requirement_95) UART (SafetyRequirement_115) Protection Sets (Requirement_95) UART (SafetyRequirement_95) Runnable activation by cyclic events (Requirement_95) UART (SafetyRequirement_93) Runnable activation by signal events (Requirement_95) UART

Requirements referencing to this GlobalVar.

(Safety)Requirement	Parent	User-ID	Author	Creation Date	Start Date	Deadline	Expense	Responsibe	Category	Type	Status	Function Type	SIL derived	SIL manual	SIL effective	Tests	Technical Functions	Software	Hardware	Signals	Global variables	Activation events	Use-Cases	User-Stories	Refining	Conflicting	refined by	conflicted by
(SafetyRequirement_94) Global variables Global variables can store data for Runnables and other Software Functions. The memory protection will automatically be generated. The actual declaration is implemented as user-code to allow the use of non-trivial datatypes and operations.	UART	SafetyRequirement_94	Thomas Barth	Wed Jun 08 17:34:15 CEST 2022			0.0	Thomas Barth	product	functional	implemented	System_Function	QM	derived	QM		UART	run_readButton			press_cnt				(Requirement_95) UART

Sofware units using this global variable by either creating it or using a protection set in which it is contained.

Unit	Parent	Function calls	Technical Functions	Requirements	Type	Tasks	WCET	Stack	ROM	Globals	ProtectionSets	SIL req	SIL ach	sub Technical Functions (R)	sub Requirements (R)	Has a return value (R)	SystemStates (R)	Ingoing Trigger Ports (R)	Outgoing Trigger Ports (R)	Ingoing Data Ports (R)	Outgoing Data Ports (R)	Signals (D)	Runnables (D)	DataType (D)	Is Synchronous (D)	Hardware (D)	Ports (G)	Callers (F)	Return Type (F)	Parameters (F)
run_readButton Acquires the button state periodically and provides button signals	Button		Blinking LED UART	(SafetyRequirement_94) Global variables (Requirement_95) UART	Runnable	Button	0	0	0	press_cnt		QM	QM	Blinking LED UART	(SafetyRequirement_110) Hardware Interfacing (SafetyRequirement_111) SignalLayer features (Requirement_95) UART	false	Blink UART	Runnable_run_readButton_Tick	Runnable_run_readButton_Edge_OUT	run_readButton_HW_IN	Runnable_run_readButton_Button_OUT Runnable_run_readButton_button_pressed_cnt	-	-	-	-	-	-	-	-	-