5.2. Braking Lights Controller - BrkgLiMgr

• Overview

• Functions

• Ports

• Parameters

Id	BrkgLiMgr
Version	main
Title	Braking Lights Controller
System	Exterior Lighting
Document Type	Application Software Component Specification Preview

5.2.1. Overview

The Braking Lights Manager software component is responsible for controlling the vehicle’s brake lights based on brake requests from other systems. It processes brake light requests, turn indicator requests, and vehicle state information to determine the appropriate command for the left, right and center brake lights.

5.2.2. Functions

	Title	Description
1	Process Brake Light Request	Processes the brake light request from the brake system and determines the appropriate command for the center brake light. Takes into account the vehicle state and configuration parameters.
2	Process Turn Indicator Requests	Processes the left and right turn indicator requests and determines the appropriate command for the left and right brake lights when they should blink together with the turn indicators.

5.2.3. Ports

	Id	Direction	Data Type	Dimensions	Unit	Description	Keywords
1	BrkLiReq	Incoming	Enum: CmnenaAcvnSt	[1]			Brake Light Request
2	BrkLiReqVld	Incoming	boolean	[1]			Brake Light Request Valid
3	LeBrkLampSts	Incoming	Enum: CmnenaOprtgSt	[1]			Left Brake Lamp Status
4	LeBrkLampStsVld	Incoming	boolean	[1]			Left Brake Lamp Status Valid
5	RiBrkLampSts	Incoming	Enum: CmnenaOprtgSt	[1]			Right Brake Lamp Status
6	RiBrkLampStsVld	Incoming	boolean	[1]			Right Brake Lamp Status Valid
7	CeBrkLiSts	Incoming	Enum: CmnenaOprtgSt	[1]			Center Brake Light Status
8	CeBrkLiStsVld	Incoming	boolean	[1]			Center Brake Light Status Valid
9	VsmActSt	Incoming	Enum: CmnenaVehSt	[1]			Vsm Actual State
10	VsmActStVld	Incoming	boolean	[1]			Vsm Actual State Valid
11	EmrgBrkgAcv	Incoming	Enum: CmnenaAcvnSt	[1]			Emergency Braking Active
12	EmrgBrkgAcvVld	Incoming	boolean	[1]			Emergency Braking Active Valid
13	LeIndcrReq	Incoming	Enum: CmnenaAcvnSt	[1]			Left Indicator Request
14	LeIndcrReqVld	Incoming	boolean	[1]			Left Indicator Request Valid
15	RiIndcrReq	Incoming	Enum: CmnenaAcvnSt	[1]			Right Indicator Request
16	RiIndcrReqVld	Incoming	boolean	[1]			Right Indicator Request Valid
17	BasTi	Incoming	single	[1]	sec		Base Time
18	CeBrkLampCmd	Outgoing	Enum: CmnenaAcvnSt	[1]			Center Brake Lamp Command
19	LeBrkLampSt	Outgoing	Enum: CmnenaOprtgSt	[1]			Left Brake Lamp State
20	RiBrkLampSt	Outgoing	Enum: CmnenaOprtgSt	[1]			Right Brake Lamp State
21	CenBrkLampSt	Outgoing	Enum: CmnenaOprtgSt	[1]			Central Brake Lamp State
22	LeBrkLampCmd	Outgoing	Enum: CmnenaAcvnSt	[1]			Left Brake Lamp Command
23	RiBrkLampCmd	Outgoing	Enum: CmnenaAcvnSt	[1]			Right Brake Lamp Command
24	Diagc	Outgoing	Bus: BrklghtmDiagc	[-1]			Diagnostic

5.2.4. Parameters

	Id	Data Type	Dimensions	Range	Unit	Description	Keywords
1	BrklghtmSaeLi	boolean	[1,1]	Min: 0, Max: 1		Set to true for SAE light pack, false for EU Light Pack	Brklghtm Sae Light
2	BrklghtmIgnVsmSt	boolean	[1,1]	Min: 0, Max: 1		Ignores VSM state while evaluating brake lamps command	Brklghtm Ignore Vsm State
3	BrklghtmDiBrkLi	boolean	[1,1]	Min: 0, Max: 1		Set to true to disable brake lights and ignore the brake lights request	Brklghtm Disable Brake Light
4	BrklghtmBrkReqInVsmSt	uint8	[1,1]	Min: 0, Max: 2		0 - brake request is allowed only in Ready for drive state, 1 - Ready to drive and Awake, 2 - Ready to drive, Awake and Maintenance	Brklghtm Brake Request In Vsm State
5	BrklghtmBlinkSep	boolean	[1,1]	Min: 0, Max: 1		If true, side lamps will blink regardless of braking cmd	Brklghtm Blink Separate
6	BrklghtmLampFltLockRst	boolean	[1,1]	Min: 0, Max: 1		Reset fault lock for braking lamps	Brklghtm Lamp Fault Lock Reset
7	BrklghtmLampFltInizTiout	single	[1,1]	Min: 0, Max: 10	sec	Timeout of fault activation after module initialization	Brklghtm Lamp Fault Initialize Timeout