Author: Longhorn

Date: 12-04-2024

Change of curriculum vitae

Versions	Date	Preparation	Audit	Approvals 批准	Modification instructions 修改说明
V0.1	2023/6/6	YinWenshuo			First Edition Release 第一版发布
V0.2	2023/6/28	YinWenshuo			1. Modify the view switching logic based on customer logic 2.add the sw &hw architecture 2.添加软硬件架构 3.add svs view logic and gear&speed logic 3.添加svs视图逻辑和档位&速度逻辑
V0.21	2024/3/7	YinWenshuo			1. Complete the documentation 1 完成文档 2.Add the chapter 6.2.26 VPD Display 2.增加6.2.26 VPD显示章节

Catalogue

1 Purpose 5

2 Scope 5

3 Terminology and abbreviations 5
3 术语和缩写 5

4 Reference documents 7
4 参考文件 7

5 System definition 8
5 系统定义 8

5.1 System Architecture 8
5.1 系统架构 8

5.2 Software Architecture 8
5.2 软件架构 8

5.2.1 Software module diagram 8

5.2.2 Software data flow diagram 10

5.3 Hardware Architecture 11

5.4.Network topology 11
5.4.网络拓扑11

5.5 Function Overview 12
5.5 功能概述 12

5.6 Signal requirements 12
5.6 信号要求 12

5.6.1 Input signal 12

5.6.2 Output signal 16

6 SVS functional requirements 18
6 SVS功能要求 18

6.1 Status machines 18

6.1.1 Status map 18

6.1.2 Status Description 19

6.2 Description of functional requirements 20
6.2 功能需求描述 20

6.2.1 SVS view 20
6.2.1 SVS视图20

6.2.2 View transition flow diagrams 25
6.2.2 查看转换流程图 25

6.2.3 Key Descriptions 27

6.2.4 SVS function ON 29
6.2.4 SVS 功能开启 29

6.2.5 SVS function OFF 32
6.2.5 SVS 功能关闭 32

6.2.6 3D surround scan 35

6.2.7 HMI Button group triggered view switching 38
6.2.7 HMI 按钮组触发视图切换 38

6.2.8 Gear-triggered view switching 40
6.2.8 齿轮触发视图切换 40

6.2.9 Automatic side view 42
6.2.9 自动侧视 42

6.2.10 Static and dynamic guideline 44
6.2.10 静态和动态指南 44

6.2.11 Top View 46

6.2.12 3D Zoom-In view 49
6.2.12 3D 放大视图 49

6.2.13 Swivel Mode 50

6.2.14 Rim protection 52

6.2.15 Rear Cross Traffic Alert 54

6.2.16 Trailer Hook Guide 56

6.2.17 Car animation in 2D, 3D and BEV 57
6.2.17 2D、3D 和 BEV 中的汽车动画 57

6.2.18 Multi- Colour Car Model Selection 59

6.2.19 Transparent View 60

6.2.20 APA Overlays 61

6.2.21 Camera dirt detection 64

6.2.22 SVS settings 65

6.2.23 3D view touch points visibility 67
6.2.23 3D视图触摸点可见性 67

6.2.24 Panoramic calibration 67

6.2.25 Fault and status information alerts 69
6.2.25 故障和状态信息警报 69

6.2.26 Multi-Language 70

6.2.27 BVM functions 70
6.2.27 BVM函数 70

6.2.28 VPD Display 73

6.3 Performance requirements 74
6.3 性能要求 74

6.3.1 SVS system KPI requirements 74
6.3.1 SVS系统KPI要求 74

6.3.2 SVS image quality requirements 76
6.3.2 SVS图像质量要求 76

1 Purpose

2 Scope

process of the Mahindra M110/ M210/M310/W610 Parking HPC SVS project.
Mahindra M110/M210/M310/W610 停车场 HPC SVS 项目的流程。

3 Terminology and abbreviations
3 术语和缩写

[Define important and special terms so that the reader can correctly understand the software functional requirements statement].
[定义重要和特殊术语，以便读者能够正确理解软件功能需求陈述]。

5 System definition
5 系统定义

The SVS system consists of a controller and 4 LVDS Cameras; the images captured by the 4 cameras are processed by the controller and transmitted to the HPC-C for display.
SVS系统由一个控制器和4个LVDS摄像头组成； 4个摄像头拍摄的图像经过控制器处理后传输至HPC-C进行显示。

5.1 System Architecture
5.1 系统架构

5.2 Software Architecture

5.2.1 Software module diagram

Note: The above software module diagram is the current platform software architecture diagram, and the actual project will be further updated.
注：以上软件模块图为当前平台软件架构图，实际项目中会进一步更新。

5.2.2 Software data flow diagram

5.3 Hardware Architecture

Note: The hardware block diagram is initially updated according to the requirements, and the hardware architecture block diagram will be updated according to the specific hardware design in the future.
注：硬件框图初步根据需求更新，后续将根据具体硬件设计更新硬件架构框图。

5.4.Network topology
5.4.网络拓扑

[Describe the entire vehicle network topology].
[描述整个车辆网络拓扑]。

5.5 Function Overview
5.5 功能概述

The SVS system picks up the view around the body through four cameras and the controller seamlessly stitches the images from the four cameras to form a 360° panorama, displaying a 360° image of the surroundings of the body similar to an image taken from the sky.
SVS系统通过四个摄像头拾取身体周围的视图，控制器将四个摄像头的图像无缝拼接成360°全景，显示身体周围的360°图像，类似于从天空拍摄的图像。

5.6 Signal requirements
5.6 信号要求

5.6.1 Input signal

[List products that need to receive signals].
【列出需要接收信号的产品】。

Receiver	Sender	Message Name	Signal name	Coding	Remarks 评论
SVS	Gateway	VCU2_FD_100	GEAR_ACTUAL	0x0-Neutral /Default value 0x1-Forward Mode 0x2-Reverse Mode 0x3- Low mode 0x4-Reserved 0x4-保留 0x5-Park Mode 0x6-0xE - Reserved 0x6-0xE - 保留 0xF-Signal Invalid	Current gear information for Gear transition logic 档位转换逻辑的当前档位信息
SVS	Gateway			BRK_SWITCH	0x0 = Not Pressed 0x1 = Pressed 0x2 = Reserved 0x2 = 保留 0x3 = Signal Invalid	For SVS animations 对于 SVS 动画
SVS	Gateway	IEB1_FD_10	WHEEL_PULSE_FL	0x0 = Default Value 0xFF= Signal Invalid	For speed limit logic and animations 用于限速逻辑和动画
SVS	Gateway			WHEEL_PULSE_FR	0x0 = Default Value 0xFF= Signal Invalid	For speed limit logic and animations 用于限速逻辑和动画
SVS	Gateway			WHEEL_PULSE_RL	0x0 = Default Value 0xFF= Signal Invalid	For speed limit logic and animations 用于限速逻辑和动画
SVS	Gateway	IEB1_FD_10	WHEEL_PULSE_RR	0x0 = Default Value 0xFF= Signal Invalid	For speed limit logic and animations 用于限速逻辑和动画
SVS	Gateway	HPCAd_4_10	RCTA_LEFT_WARN_IND	0x0 = Warning OFF 0x01=RCTA Collision warning 0x02=RCTA Brake warning 0x03=Reserved 0x03=保留	For rear cross traffic alert with junction assist view 用于带有路口辅助视图的后方交叉交通警报
SVS	Gateway			RCTA_RIGHT_WARN_IND	0x0 = Warning OFF 0x01=RCTA Collision warning 0x02=RCTA Brake warning 0x03=Reserved 0x03=保留	For rear cross traffic alert with junction assist view 用于带有路口辅助视图的后方交叉交通警报
SVS	Gateway	FR_ZONE1_10	STS_LEFT_TURN_SWT	0x0 = OFF/Default 0x1 = ON	for automatic side 用于自动侧 view, BVM, car animation 视图、BVM、汽车动画
SVS	Gateway			STS_RIGHT_TURN_SWT	0x0 = OFF/Default 0x1 = ON	for automatic side view, BVM, car 用于自动侧视, BVM, 汽车 animation
SVS	Gateway			BLINK_TURN_LEFT_LAMP	0x0 = OFF/Default 0x1 = ON	For SVS animation 对于 SVS 动画
SVS	Gateway			BLINK_TURN_RIGHT_LAMP	0x0 = OFF/Default 0x1 = ON	For SVS animation 对于 SVS 动画
SVS	Gateway			SVS_SWT_INPUT	0x0 = Not pressed 0x1 = Pressed	For SVS activation/deactivation on LIN based switch 用于在基于 LIN 的交换机上激活/停用 SVS
SVS	Gateway	EPS1_FD_10	STEERING_ABSOLUTE_ ANGLE 转向_绝对_角度	0x0 = Default 0x7FFF = signal invalid	Steering angle info for guidelines , 转向角度信息作为指导， swivel mode
SVS	Gateway			STEERING_ABSOLUTE_ ANGLE_SPD	0x0 = Default 0xFF = signal invalid	Steering angle info for guidelines , 转向角度信息作为指导， swivel mode
SVS	Gateway			STS_SAS_CALIB	0x0 = Sensor not calibrated/default 0x1 = sensor calibrated
SVS	Gateway			STS_SAS_FAILURE	0x0 = Information invalid / default 0x1 = Information valid
SVS	Gateway	IEB1_FD_10	VEHICLE_SPEED	0xFFFE = Default 0xFFFF = signal invalid	For SVS speed 对于 SVS 速度 logic
SVS	Gateway	FR_ZONE3_100	INDC_TURN_FLSHR	0x0 = LAMP OFF/Default 0x1 = Left turn 0x2 = Right turn 0x3 = Hazard	for automatic side view, BVM, car animation 用于自动侧视图、BVM、汽车动画
SVS	Gateway			STS_DOOR	0x0 = All closed/Default 0x0 = 全部关闭/默认 0x1 = Only back door open 0x2 = only hood open 0x4 = only FL door open 0x8 = only FR door open 0x10 = only RL door open 0x20 = only RR door open 0x3F = All doors open 0x4 = 仅 FL 门打开 0x8 = 仅 FR 门打开 0x10 = 仅 RL 门打开 0x20 = 仅 RR 门打开 0x3F = 所有门打开 (this signal is bit mapped) （该信号是位映射的）	Door information for popup of SVS functionality, Animations, popup, door overlays 用于弹出 SVS 功能、动画、弹出窗口、门覆盖
SVS	Gateway			STS_MIRROR	0x0 = Mirror unfolded/Default 0x1 = Mirror Folded	Mirror inforamtion for Popup of SVS functionality, SVS 功能弹出窗口的镜像信息， sentry mode
SVS	Gateway			STS_HIGH_BEAM	0x0 = Lamp OFF/Default 0x1 = Lamp ON	For SVS 对于SVS animations
SVS	Gateway			STS_LOW_BEAM	0x0 = Lamp OFF/Default 0x1 = Lamp ON	For SVS 对于SVS animations
SVS	Gateway			STS_PARKLAMP	0x0 = OFF/Default value 0x1 = ON 0x0 = 关/默认值 0x1 = 开 0x2 = Reserved 0x2 = 保留 0x3 = Reserved 0x3 = 保留	For SVS animations 对于 SVS 动画
SVS	Gateway			INDC_FRNT_FOG	0x0= OFF/Default value 0x1= ON	For SVS 对于SVS animations
SVS	Gateway			INDC_REAR_FOG	0x0= OFF/Default value 0x1= ON	For SVS 对于SVS animations
SVS	Gateway			AUTO_LIGHT	0x0= Auto Light OFF/Default value 0x1= Auto Light ON	For SVS 对于SVS animations
SVS	Gateway			REVERSE_LAMP	0x0 = OFF 0x1 = ON	For SVS 对于SVS animations
SVS	Gateway	HPCC_1_100	HPCC_ENABLE_APA_SV S	0x0= Screen Disable 0x1=APA SVS Screen Enable 0x2=DVR Screen Enable 0x3=APA Screen Enable 0x4=VPD Screen Enable 0x5-0x7= Reserved 0x5-0x7=保留	HPCC request for HPC-Ap SVS/DVR/APA/VPD scrren open
SVS	Gateway			SCREEN_ACTIVE_IS	0x0=Not Active 0x01=IS Screen Active 0x02=VPD screen ative	For confirmation of HMI screen 用于确认 HMI 画面 activation 激活
SVS	Gateway			VEHICLE_SPEED_IC_DISPLAYED	0x0 = Default 0xFF = signal invalid	For SVS speed 对于 SVS 速度 logic
SVS	Gateway			FIRST_TOUCH_EVENT_IS	0x0=No Touch/Default value 0x1=Pen Down 0x2= Pen Up 0x3= Pen Move 04-0x7=Reserved 04-0x7=保留	For SVS 3D view swipe, menu selection, button group selection, 对于SVS 3D视图滑动、菜单选择、按钮组选择、 to change view 改变视图 and zoom 和缩放
SVS	Gateway			FIRST_TOUCH_COORDI NATE_X_IS	0x0 = Default value	For SVS 3D view swipe, menu selection, button group selection, to change view 对于 SVS 3D 视图滑动、菜单选择、按钮组选择、更改视图 and zoom 和缩放
SVS	Gateway			FIRST_TOUCH_COORDI NATE_Y_IS	0x0 = Default value	For SVS 3D view swipe, menu selection, button group selection, to change view 对于 SVS 3D 视图滑动、菜单选择、按钮组选择、更改视图 and zoom 和缩放
SVS	Gateway			SECOND_TOUCH_EVENT_IS	0x0=No Touch/Default value 0x1=Pen Down 0x2= Pen Up 0x3= Pen Move 04-0x7=Reserved 04-0x7=保留	For SVS 3D view swipe, menu selection, button group selection, to change view 对于 SVS 3D 视图滑动、菜单选择、按钮组选择、更改视图 and zoom 和缩放
SVS	Gateway			SECOND_TOUCH_COORDINATE_X_IS	0x0 = Default value	For SVS 3D view swipe, menu selection, button group selection, to change view 对于 SVS 3D 视图滑动、菜单选择、按钮组选择、更改视图 and zoom 和缩放
SVS	Gateway			TRANSPARENT_VIEW_REQ	0x0 = No Request 0x1 = Request 0x1 = 请求	For VPD transparent view 对于VPD透明视图
SVS	Gateway			BVM_ENABLE_IS	0x0 = Disable 0x0 = 禁用 0x1 = Enable	For BVM settings
SVS	Gateway			FACTORY_RESET_IS	0x0: Default/No command 0x1: Factory reset request 0x1：恢复出厂设置请求	For settings reset
SVS	Gateway			BVM_STS	0x0=Not Active 0x1=Left BVM Activated 0x1=左 BVM 已激活 0x2=Right BVM Activated 0x2=右 BVM 已激活	For confirmation of BVM activation 用于确认 BVM 激活
SVS	Gateway			HPCC_VID_DISP_ERR	0x0=No error 0x1=Video Display Err CID 0x2= Video Display Err DID 0x3=Reserved 0x3=保留
SVS	Gateway			SECOND_TOUCH_COORDINATE_Y_IS	0x0 = Default value	For SVS 3D view swipe, menu selection, button group selection, to change view 对于 SVS 3D 视图滑动、菜单选择、按钮组选择、更改视图 and zoom 和缩放
SVS	Gateway			ONTOUCH_INPUT_IS	0x0=No Touch/ Default 0x1=One Touch 0x0=无触摸/默认 0x1=一次触摸 0x2= Two Touch 0x2= 两次触摸 0x3= Reserved 0x3=保留	For SVS Zoom in function 对于SVS放大功能

5.6.2 Output signal

[List of products requiring a signal to be sent].
[需要发送信号的产品列表]。

6 SVS functional
6 SVS 功能 requirements
要求

6.1 Status machines

6.1.1 Status map

(1)Active to standby:
(1)主用转备用：

a) Close button is pressed
a) 关闭按钮被按下

b) P gear is engaged (for more than 10 seconds and there is no operation by the user within that 10 seconds(e.g. touch, gear switch, turn signal on, etc.)).
b)挂入P档（超过10秒且10秒内用户无任何操作（如触摸、档位开关、转向灯打开等））。

c) Hard-switch pressed or SVS_SWT_INPUT CAN signal received from Front zonal
c) 按下硬开关或从前区域接收到 SVS_SWT_INPUT CAN 信号

d) High speed logic disabled && Vehicle speed>20kmph(calibratable)
d) 高速逻辑禁用 && 车速>20kmph（可校准）

e)IGN OFF

(2)Standby to active:
(2)待机到工作：

a) Speed<= 20kmph(calibratable) && SVS soft/hard switch is pressed/CAN Signal from Front zonal SVS_SWT_INPUT is received
a) 速度<= 20kmph(可校准) && SVS 软/硬开关被按下/接收到来自前区 SVS_SWT_INPUT 的 CAN 信号

b) High speed logic enabled && SVS soft/hard switch is pressed/ CAN Signal from Front zonal SVS_SWT_INPUT is received
b) 高速逻辑启用 && SVS 软/硬开关被按下/接收到来自前区 SVS_SWT_INPUT 的 CAN 信号

c) Reverse gear is engaged
c) 挂入倒档

(3) Failure to Active:
(3) 未激活：

(camera fault disappears ||CAN fault disappears )&& SVS Switch on
(摄像头故障消失||CAN故障消失)&& SVS开启

(4) Failure to Standby:
(4) 无法待机：

(camera fault disappears ||CAN fault disappears )&& SVS Switch off
(摄像头故障消失 ||CAN 故障消失)&& SVS 关闭

Remark:

1.High speed logic default set enable by DID configuration;
1.通过DID配置默认设置使能高速逻辑；

2.'High speed logic disable’ means when vehicle is in high speed>20kmph(calibratable),SVS will be disable.
2.“高速逻辑禁用”是指当车辆高速>20kmph（可校准）时，SVS将禁用。

6.1.2 Status Description

The system state machine is described in the following table:
系统状态机描述如下表：

Remarks:
评论：

Soft button or hard-switch is pressed or CAN Signal from Front zonal SVS_SWT_INPUT is received & Non-R gear, then it will check if high speed logic is enabled or not
按下软按钮或硬开关或接收到来自前区 SVS_SWT_INPUT 的 CAN 信号且非 R 档，然后将检查高速逻辑是否启用.

1. if high speed logic is enabled then
1. 如果启用高速逻辑则

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then it will open rear view based on default setting .
情况2：车速> SVS_Speed_Thold 则按照默认设置打开后视镜。

2. if high speed logic is disabled then
2. 如果高速逻辑被禁用，那么

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then SVS screen will not open
情况 2：车辆速度 > SVS_Speed_Thold 那么 SVS 屏幕将不会打开

HPC-Ap will send CAN message SPEED_LIMIT_EXCEED and SVS will remain in standby mode
HPC-Ap 将发送 CAN 消息 SPEED_LIMIT_EXCEED 并且 SVS 将保持待机模式

3.For reverse gear there is no speed limit.
3.倒档没有速度限制。

6.2 Description of functional requirements
6.2 功能需求说明

6.2.1 SVS view
6.2.1 SVS视图

6.2.1.1 Screen Pixel Coordinate definitions

Y

6.2.1.2 View layout
6.2.1.2 视图布局

Zone A : operating key area, 92*720;
A区：操作按键区，92*720；

Zone B: BEV area, 548*720;

Zone C: Single-view display area,1280*720;
C区：单视图显示区域，1280*720；

Zone D: Tips text display area;
D区：提示文字显示区域；

Note: Starting from the driver's position, the SVS view layout arranges the A/B/C zones in turn.
注：从驾驶员位置开始，SVS 视图布局依次排列 A/B/C 区域。

6.2.1.3 View mode

M&M HMI Assets – Reference Version : LongHorn_SVS_Assets-v2.1

NO.	Mode	View 看法	Illustratio	Remarks 评论
1	2D view mode	Front normal view +BEV 正面普通视图+BEV		Touch points will not be there in 2D Bird's eye view 2D 鸟瞰图中不会出现触摸点
2			Rear normal view + BEV
3			Front wide view 正面宽视野
4			Rear wide view 后部宽视野
5			Front corner view +BEV		The Screenshot, Personal Record Button, DVR Folder Button is HPC-C UI display. 屏幕截图、个人录制按钮、DVR 文件夹按钮是 HPC-C UI 显示。
6			Rear corner view +BEV		The Screenshot, Personal Record Button, DVR Folder Button is HPC-C UI display. 屏幕截图、个人录制按钮、DVR 文件夹按钮是 HPC-C UI 显示。
7			All Corner view +BEV		The Screenshot, Personal Record Button, DVR Folder Button is HPC-C UI display. 屏幕截图、个人录制按钮、DVR 文件夹按钮是 HPC-C UI 显示。
8	Automatic side view 自动侧视	Automatic left side view + BEV 自动左视+BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
9			Automatic right side view + BEV 自动右视+BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
10	3D view mode	3D rear left view + BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
11			3D rear right view + BEV 3D右后视图+BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
12			3D front view +BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
13			3D rear view + BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
14			3D front left view +BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
15			3D front right view + 3D右前视图 + BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
16			3D left view + BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
17			3D right view + BEV 3D右视图+BEV		8 touch points will be shown to user, on tapping the car vehicle animation in BEV. 点击 BEV 中的汽车动画时，将向用户显示 8 个触摸点。
18	3D surround scan view mode 3D环绕扫描视图模式	3D surround scan view 3D 环绕扫描视图
19	Top view 顶视图	Front top view + BEV
20			Rear top view + BEV
21	panoramic junction assist view 全景路口辅助视图	Wide angle panoramic junction assist view 广角全景路口辅助视图

6.2.1.4 Tip Text Description

1 .It will always display “Check surrounding for safety ”. For other popups, see further definitions below.
1 始终显示“检查周围环境是否安全”。对于其他弹出窗口，请参阅下面的进一步定义。

2 .Popups and text messages
2 弹出窗口和短信

Remark: Some popup to be part of HPC-C, which need to be sent out as CAN signal.
备注：一些弹出窗口是HPC-C的一部分，需要作为CAN信号发送出去。

The Message_1 display in zone D.(see 6.2.1.2 picture)，if any popup comes,replase the Message_1 to popup.
Message_1显示在D区（参见6.2.1.2图），如果有弹窗，请将Message_1替换为弹窗。

Priority is 1>2>3>4>5.
优先级为1>2>3>4>5。

6.2.2 View transition flow diagrams
6.2.2 查看转换流程图

6.2.2.1 Gear and speed logic
6.2.2.1 档位和速度逻辑

6.2.2.2 SVS View logic

6.2.3 Key Descriptions

Different interfaces of the SVS system display different touch buttons, which are clicked to control the SVS system for different functions; the number of touch buttons and their definitions are shown in the table below.
SVS系统的不同界面显示不同的触摸按钮，点击这些按钮可以控制SVS系统实现不同的功能；触摸按键的数量及其定义如下表所示。

6.2.3.1 SVS button

NO.	Illustrations	Key Name	Remarks 评论
(0)		Transparent view button
(1)			Close button
(2)			2D Front button
(3)			2D Rear button
(4)			Corner view button
(5)			3D view button
(6)			APA button
(7)			SVS Settings button
(8)			2D Front Normal view button 2D 正面普通视图按钮
(9)			2D Front Wide view button 2D 正面宽视角按钮
(10)			2D Front Top view button 2D 正面顶视图按钮
(11)			DVR Folder button	implemented by HPC-C 由 HPC-C 实现
(12)			DVR Screenshot button
(13)		DVR Record button	Implemented by HPC-C 由 HPC-C 实现
(14)			All corner view button
(15)			Front corner view button 前角视图按钮
(16)			Rear corner view button
(17)			3D Front view button
(18)			3D Front Right view button 3D 右前视图按钮
(19)			3D Right view button 3D 右视图按钮
(20)			3D Rear Right view button 3D 后右视图按钮
(21)			3D Rear view button
(22)			3D Rear Left view button
(23)			3D Left view button
(24)			3D Front Left view button
(25)			Car model color settings button
(26)			Default view settings button
(27)			Brightness control settings button 亮度控制设置按钮
(28)			Swivel mode settings button 旋转模式设置按钮
(29)			3D surround scan settings button 3D 环绕扫描设置按钮
(30)			Automatic 3D side view settings button 自动 3D 侧视图设置按钮
(31)			APA overlays settings button APA 叠加设置按钮
(32)			Guidelines settings button 指南设置按钮
(33)			Cross traffic alert settings button
(34)			Automatic Top view settings button 自动顶视图设置按钮
(35)			Trailer hook guide settings button

SVS function ON
SVS 功能开启

6.2.4.1 Soft switch/voice command request ON
6.2.4.1 软开关/语音命令请求ON

Demand ID:[ PARKING_HPC_SYSREQ_266]

Prerequisites:

SVS in standby mode.
SVS 处于待机模式。

Trigger conditions (the following conditions are also met).
触发条件（同时满足以下条件）。

The user clicks the SVS soft switch on HPC-C or HPC-C receives the user voice request "Turn ON SVS", and then HPC-C sends CAN signal "HPCC_ENABLE_APA_SVS=0x1 : APA SVS screen enable" to HPC-Ap via gateway
用户点击HPC-C上的SVS软开关或者HPC-C收到用户语音请求“Turn ON SVS”，然后HPC-C通过网关向HPC-Ap发送CAN信号“HPCC_ENABLE_APA_SVS=0x1：APA SVS屏幕使能”

System action:
系统动作：

HPC-Ap receives the signal and sends "APA_VIEW_REQUEST_IS=0x1 : SVS Display request" to request HPC-C to switch the screen, HPC-C replies "SCREEN_ACTIVE_IS=0x1 : IS Screen active" and switch the screen synchronously.
HPC-Ap收到信号后发送“APA_VIEW_REQUEST_IS=0x1：SVS显示请求”请求HPC-C切换屏幕，HPC-C回复“SCREEN_ACTIVE_IS=0x1：IS屏幕激活”并同步切换屏幕。

Further system actions:
进一步的系统操作：

The system is powered ON for the first time (the system has not been in operating mode for one ignition cycle) && 3D surround scan is set ON in settings && the vehicle is not in reverse gear:
系统首次开机（系统在一个点火周期内未处于运行模式）&& 在设置中将 3D 环绕扫描设置为 ON && 车辆未处于倒档：

Vehicle speed <= 20km/h (3D_Surround_scan_thold) then SVS turns on and enter the 3D surround scan interface. HPC-AP sends SVS_CURRENT_VIEW_HPC_AP = 0x13 : surround scan view.
车速<=20km/h（3D_Surround_scan_thold）则SVS开启并进入3D环绕扫描界面。 HPC-AP 发送 SVS_CURRENT_VIEW_HPC_AP = 0x13 ：环绕扫描视图。

Vehicle speed > 20km/h (3D_Surround_scan_thold) then SVS turns ON and view entry will be based on the speed and gear logic
车辆速度 > 20km/h (3D_Surround_scan_thold)，则 SVS 打开，视图条目将基于速度和档位逻辑

2. The vehicle is not in reverse gear && SVS turns ON when the system is not powered up for the first time, then the view entry will be based on high speed logic :
2.车辆未挂倒档&&系统首次上电时SVS开启，则视图入口将基于高速逻辑：

1. if high speed logic is enabled then
1. 如果启用高速逻辑则

Case 2: Vehicle Speed > SVS_Speed_Thold then it will open rear view based on default setting .
情况2：车速> SVS_Speed_Thold 则按照默认设置打开后视镜。

2. if high speed logic is disabled then
2. 如果高速逻辑被禁用，那么

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then SVS screen will not open, HPC-Ap will send CAN message SVS_SPEED_LIMIT_EXCEED and SVS will remain in standby mode;
情况2：车辆速度> SVS_Speed_Thold，则SVS屏幕不会打开，HPC-Ap将发送CAN消息SVS_SPEED_LIMIT_EXCEED，SVS将保持待机模式；

3. The vehicle is not in reverse gear && 3D surround scan is set OFF in settings && system is powered up for the first time, then the view entry will be based on high speed logic :
3.车辆未挂倒档&&设置中3D环绕扫描设置为关闭&&系统首次上电，则视图入口将基于高速逻辑：

1. if high speed logic is enabled then
1. 如果启用高速逻辑则

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then it will open rear view based on default setting .
情况2：车速> SVS_Speed_Thold 则按照默认设置打开后视镜。

2. if high speed logic is disabled then
2. 如果高速逻辑被禁用，那么

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then SVS screen will not open
情况 2：车辆速度 > SVS_Speed_Thold 那么 SVS 屏幕将不会打开

Remarks:
评论：

HPC-AP entry uniformly sends APA_VIEW_REQUEST_IS=0x1:APA SVS screen Enable" to HPC-C, without differentiating between specific entry methods as listed above.
HPC-AP条目统一向HPC-C发送“APA_VIEW_REQUEST_IS=0x1:APA SVS screen Enable”，不区分具体的条目方法，如上所列。

Vehicle is not in reverse gear && vehicle speed > 20kmph(calibratable) && high speed logic is disabled, then surround view system remains in standby mode, and HPC-Ap sends CAN signal "SVS_SPEED_LIMIT_EXCEED" to HPC-C. HPC-C will display pop-up indicating "SVS could not be open due to higher speed"
车辆未处于倒档且车速 > 20kmph（可校准）且高速逻辑被禁用，则环视系统保持待机模式，HPC-Ap 向 HPC-C 发送 CAN 信号“SVS_SPEED_LIMIT_EXCEED”。 HPC-C 将显示弹出窗口，指示“由于速度较高，SVS 无法打开”

6.2.4.2 Reverse gear request ON

Demand ID:[ PARKING_HPC_SYSREQ_266]

Prerequisites:

1. SVS in standby mode
1.SVS处于待机模式

Trigger conditions (the following conditions are also met).
触发条件（同时满足以下条件）。

The gear is switched from Non - Reverse to reverse and VCU sends CAN signal "GEAR_ACTUAL = 0x2 : Reverse Mode" to HPC-Ap.
档位从非倒车切换到倒车，VCU 向 HPC-Ap 发送 CAN 信号“GEAR_ACTUAL = 0x2：倒车模式”。

System action:
系统动作：

[Describe requirement specific implementation actions].
[描述要求的具体实施行动]。

HPC-Ap receives the signal and sends "APA_VIEW_REQUEST_IS=0x1 : SVS Display request" to request HPC-C to switch the screen, HPC-C replies "SCREEN_ACTIVE_IS=0x1 : IS Screen active" and switch the screen synchronously.
HPC-Ap收到信号后发送“APA_VIEW_REQUEST_IS=0x1：SVS显示请求”请求HPC-C切换屏幕，HPC-C回复“SCREEN_ACTIVE_IS=0x1：IS屏幕激活”并同步切换屏幕。

Further system actions (optional):
进一步的系统操作（可选）：

SVS enters active mode and the view entry will be based on default view settings:
SVS 进入活动模式，视图条目将基于默认视图设置：

a.if default view has been set as 2D, the SVS turns on and enters the 2D rear view + BEV. HPC-Ap sends SVS_CURRENT_VIEW_HPC_AP = 0x2 :2D rear view + BEV.
a.如果默认视图已设置为2D，则SVS打开并进入2D后视+BEV。 HPC-Ap 发送 SVS_CURRENT_VIEW_HPC_AP = 0x2 :2D 后视图 + BEV。

b.if default view has been set as 3D, the SVS turns on and enters the 3D rear view + BEV. HPC-Ap sends SVS_CURRENT_VIEW_HPC_AP = 0x8 :3D rear view + BEV.
b.如果默认视图已设置为3D，则SVS打开并进入3D后视+BEV。 HPC-Ap 发送 SVS_CURRENT_VIEW_HPC_AP = 0x8 ：3D 后视图 + BEV。

Remarks:
评论：

[Explain the need so that the reader can further understand it].
[解释一下需要，以便读者可以进一步理解]。

If vehicle is in reverse gear there is no speed limit.
如果车辆处于倒档，则没有速度限制。

6.2.4.3 Hard button request ON/ CAN Signal request SVS_SWT_INPUT from Front Zonal
6.2.4.3 硬按钮请求 ON/来自 Front Zonal 的 CAN 信号请求 SVS_SWT_INPUT

Demand ID:[ N/A]

Prerequisites:

1. SVS in standby mode
1.SVS处于待机模式

Trigger conditions (the following conditions are also met).
触发条件（同时满足以下条件）。

User presses the SVS hard button or Front zonal sends CAN signal "SVS_SWT_INPUT = 0x1 : Pressed" to HPC-Ap
用户按下 SVS 硬按钮或前区域向 HPC-Ap 发送 CAN 信号“SVS_SWT_INPUT = 0x1：按下”

System action:
系统动作：

HPC-Ap detected the hard button has been pressed or received the signal "SVS_SWT_INPUT = 0x1 : Pressed" from Front zonal, then HPC-Ap sends "APA_VIEW_REQUEST_IS=0x1 : SVS Display request" to request HPC-C to switch the screen, HPC-C replies "SCREEN_ACTIVE_IS=0x1 : IS Screen active" and switch the screen synchronously.
HPC-Ap 检测到硬按钮被按下或收到来自 Front zonal 的信号“SVS_SWT_INPUT = 0x1 : Pressed”，则 HPC-Ap 发送“APA_VIEW_REQUEST_IS=0x1 : SVS Display request”请求 HPC-C 切换屏幕，HPC -C 回复“SCREEN_ACTIVE_IS=0x1 : IS Screen active”并同步切换屏幕。

Further system actions:
进一步的系统操作：

The system is powered ON for the first time (the system has not been in operating mode for one ignition cycle) && 3D surround scan is set ON in settings && the vehicle is not in reverse gear:
系统首次开机（系统在一个点火周期内未处于运行模式）&& 在设置中将 3D 环绕扫描设置为 ON && 车辆未处于倒档：

Vehicle speed <= 20km/h (3D_Surround_scan_thold) then SVS turns on and enter the 3D surround scan interface. HPC-AP sends SVS_CURRENT_VIEW_HPC_AP = 0x13 : surround scan view.
车速<=20km/h（3D_Surround_scan_thold）则SVS开启并进入3D环绕扫描界面。 HPC-AP 发送 SVS_CURRENT_VIEW_HPC_AP = 0x13 ：环绕扫描视图。

Vehicle speed > 20km/h (3D_Surround_scan_thold) then SVS turns ON and view entry will be based on the speed and gear logic
车辆速度 > 20km/h (3D_Surround_scan_thold)，则 SVS 打开，视图条目将基于速度和档位逻辑

2. The vehicle is not in reverse gear && SVS turns ON when the system is not powered up for the first time, then the view entry will be based on high speed logic :
2.车辆未挂倒档&&系统首次上电时SVS开启，则视图入口将基于高速逻辑：

1. if high speed logic is enabled then
1. 如果启用高速逻辑则

Case 2: Vehicle Speed > SVS_Speed_Thold then it will open rear view based on default setting .
情况2：车速> SVS_Speed_Thold 则按照默认设置打开后视镜。

2. if high speed logic is disabled then
2. 如果高速逻辑被禁用，那么

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then SVS screen will not open, HPC-Ap will send CAN message SVS_SPEED_LIMIT_EXCEED and SVS will remain in standby mode;
情况2：车辆速度> SVS_Speed_Thold，则SVS屏幕不会打开，HPC-Ap将发送CAN消息SVS_SPEED_LIMIT_EXCEED，SVS将保持待机模式；

3. The vehicle is not in reverse gear && 3D surround scan is set OFF in settings && system is powered up for the first time, then the view entry will be based on high speed logic :
3.车辆未挂倒档&&设置中3D环绕扫描设置为关闭&&系统首次上电，则视图入口将基于高速逻辑：

1. if high speed logic is enabled then
1. 如果启用高速逻辑则

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then it will open rear view based on default setting .
情况2：车速> SVS_Speed_Thold 则按照默认设置打开后视镜。

2. if high speed logic is disabled then
2. 如果高速逻辑被禁用，那么

Case 1: Vehicle Speed<= SVS_Speed_Thold then it will open front view based on default setting .
情况1：车辆速度<= SVS_Speed_Thold则将根据默认设置打开前视图。

Case 2: Vehicle Speed > SVS_Speed_Thold then SVS screen will not open.
情况 2：车辆速度 > SVS_Speed_Thold，则 SVS 屏幕将不会打开。

Remarks:
评论：

[Explain the need so that the reader can further understand it].
[解释一下需要，以便读者可以进一步理解]。

1.The logic for Soft button and hard button entry is completely same—Ritika,2023/11/01 重试    错误原因

6.2.5 SVS function OFF 重试    错误原因

6.2.5.1 Voice command request closure

Demand ID:[ N/A]

Prerequisites:

SVS is in active state. 重试    错误原因

Vehicle is not in Reverse gear.

Trigger conditions (the following conditions are also met). 重试    错误原因

HPC-C receives the user voice request "Turn off SVS" and then send CAN signal "HPCC_ENABLE_APA_SVS = 0x4 : Screen Disable" to HPC-Ap 重试    错误原因

System action: 重试    错误原因

HPC-Ap receives the signal and sends "APA_VIEW_REQUEST_IS=0x0 : No request" to HPC-C, HPC-C replies "SCREEN_ACTIVE_IS=0x0 : Not active" 重试    错误原因

Further system actions (optional): 重试    错误原因

SVS enters standby mode. 重试    错误原因

Remarks: 重试    错误原因

NA

6.2.5.2 Hard button request closure/CAN signal request SVS_SWT_INPUT from front zonal 重试    错误原因

Demand ID:[ N/A]

Prerequisites:

SVS is in active state. 重试    错误原因

Vehicle is not in Reverse gear.

User presses the SVS hard button or Front zonal sends CAN signal "SVS_SWT_INPUT = 0x1 : Pressed" to HPC-Ap 重试    错误原因

System action: 重试    错误原因

[Describe requirement specific implementation actions]. 重试    错误原因

HPC-Ap detected the hard button has been pressed or received the signal "SVS_SWT_INPUT = 0x1 : Pressed" from Front zonal, then HPC-Ap sends "APA_VIEW_REQUEST_IS=0x0 : No request" to HPC-C, HPC-C replies "SCREEN_ACTIVE_IS=0x0 : Not active". 重试    错误原因

Further system actions (optional):
进一步的系统操作（可选）：

SVS enters standby mode. 重试    错误原因

Remarks:
评论：

[Explain the need so that the reader can further understand it].
[解释一下需要，以便读者可以进一步理解]。

NA

6.2.5.3 Close button request closure

Demand ID:[NA]

Prerequisites:

SVS is in active state.
SVS 处于活动状态。

Vehicle is not in Reverse gear.

Trigger conditions (the following conditions are also met).
触发条件（同时满足以下条件）。

[Describe the trigger requirement]. 重试    错误原因

User presses the close button on SVS screen and HPC-C sends CAN signal FIRST_TOUCH_EVENT_IS, FIRST_TOUCH_COORDINATE_X_IS, FIRST_TOUCH_COORDINATE_Y_IS to HPC-Ap 重试    错误原因

System action: 重试    错误原因

[Describe requirement specific implementation actions]. 重试    错误原因

HPC-Ap receives the signal and sends "APA_VIEW_REQUEST_IS=0x0 : No request" to HPC-C, HPC-C replies "SCREEN_ACTIVE_IS=0x0 : Not active" 重试    错误原因

Further system actions (optional): 重试    错误原因

[Describe the need to perform further acts] 重试    错误原因

SVS enters standby mode. 重试    错误原因

Remarks: 重试    错误原因

[Explain the need so that the reader can further understand it]. 重试    错误原因

NA

6.2.5.4 Overspeed request closure 重试    错误原因

Prerequisites:

SVS is in active state. 重试    错误原因

Vehicle is not in Reverse gear.

Trigger conditions (any of the following conditions are met). 重试    错误原因

high speed logic is disabled && vehicle speed>20kmph (Calibratable) 重试    错误原因

System action: 重试    错误原因

HPC-Ap sends "APA_VIEW_REQUEST_IS=0x0 : No request" and "SVS_SPEED_LIMIT_EXCEED = 0x1 : Speed limit exceeded" to HPC-C, HPC-C replies "SCREEN_ACTIVE_IS=0x0 : Not active" 重试    错误原因

Further system actions (optional): 重试    错误原因

SVS enters standby mode. 重试    错误原因

Remarks: 重试    错误原因

HPC-C displays the pop-up box "SVS closed due to higher speed" 重试    错误原因

When the vehicle is in Reverse gear, the system will not exit the SVS due to high vehicle speed. 重试    错误原因

6.2.5.5 Park gear request closure 重试    错误原因

Demand ID:[ N/A]

Prerequisites:

1. SVS is in active state. 重试    错误原因

Trigger conditions (the following conditions are also met). 重试    错误原因

The gear is switched from Non - Park to park and VCU sends CAN signal "GEAR_ACTUAL = 0x5 : Park Mode" to HPC-Ap && no operation is performed by the user within 10 seconds (calibratable) (e.g. touch, gear switch, turn signal on, etc.). 重试    错误原因

System action: 重试    错误原因

HPC-Ap sends "APA_VIEW_REQUEST_IS=0x0 : No request" to HPC-C, HPC-C replies "SCREEN_ACTIVE_IS=0x0 : Not active" 重试    错误原因

Further system actions (optional): 重试    错误原因

SVS enters standby mode. 重试    错误原因

Remarks: 重试    错误原因

1．When in the SVS screen, clicking anywhere on the screen should be considered an operation. 重试    错误原因

2．When the gear changes from Non-Park to Park, SVS does not exit automatically if there is a user operation within 10s (calibratable). i.e. then the timeout will start again from the beginning upto further 10 seconds. 重试    错误原因

6.2.5.6 IGN OFF request closure

Demand ID:[ N/A]

Prerequisites:

1.SVS is in active state. 重试    错误原因

HPC-Ap detects IGN state changed from IGN ON to IGN OFF 重试    错误原因

System action: 重试    错误原因

HPC-Ap sends "APA_VIEW_REQUEST_IS=0x0 : No request" to HPC-C, HPC-C replies "SCREEN_ACTIVE_IS=0x0 : Not active" 重试    错误原因

Further system actions: 重试    错误原因

SVS enters standby mode. 重试    错误原因