SignalDataObject

HWI_Button

Hardware interface for the button

Diagrams

Requirements Model

Logical Function Model

Software Model

Hardware Model

Base
Name	HWI_Button
Type	SignalDataObject
Description	Hardware interface for the button
User-ID	SignalDataObject_48
UID	_igsbkOZiEeyZ2OzYlvU4PA
signal configuration
miminum Age	0
maximum Age	2
Storage (isLocal)	local signal
Checksum	false
Force Sync	false
Inline	false
effective inline	false
Has ISR API	false
effective ISR API	deactivated for all signals
datasignal configuration
Initial value:	false
Pointer access:	false
Datatype:	uRTE_boolean_t
Drivers
In-Driver:	ButtonRead

Runnables in which this signal is an input.

Unit	Parent	Function calls	Technical Functions	Requirements	Type	Tasks	WCET	Stack	ROM	Globals	ProtectionSets	SIL req	SIL ach	sub Technical Functions	sub Requirements)	Has a return value	SystemStates	Ingoing Trigger Ports	Outgoing Trigger Ports	Ingoing Data Ports	Outgoing Data Ports
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

Tasks in which the signal is used.

Task	Core	SIL	Priority	Software	States	Signals	Init	Hardware	OutputSections	Own TimeBase	Stack
Button Task responsible for reading the button state	Arm® Cortex®-M4	SIL_1	6	run_readButton ButtonRead	Blink UART	HWI_Button button state button_cnt button_edge	-	Arm® Cortex®-M4 main PC13-TAMPER-RTC	.button .rtos.task.Button .uRTE	false	.rtos.task.Button

SystemStates in which the signal is used.

State	isStart	Runnables	Tasks
Blink In this state, an LED will blink.	true	run_LED run_UART_wakeUp run_readButton	Button LED UART
UART A state that is entered if the user has pressed the button. Here, periodic UART messages are sent.	false	run_LED run_UART_send run_readButton	Button LED UART

Associated hardware. Cores executing the associated runnables, memory used, peripherals interfaced.

Component	Type	Start	End	SIL req	SIL ach
Arm® Cortex®-M4 Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory, frequency up to 180 MHz, MPU, 225 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions	Core	-	-	-	QM
PC13-TAMPER-RTC B1 [Blue PushButton] on the Nucleo Board	Periphery	GPIOC_BASE	GPIOD_BASE - 1	-	QM
main The STM32F446RE RAM module	RAM	0x20000000	0x2001ffff	-	QM