Functional Design
Built-in AVM, DMS, OMS algorithm, Built-in radio chip, support RDS function, Smart voice recognition, local voice recognition+online voice recognition, DSP sound effect algorithm, support third -party audio solution, master sound effects, RVC function, support reversing trajectory, radar signal superimposed, Built -in A2B chip connecting external amplifiers, supporting TDM8 output, sound effect strategy is more flexible, Built -in 4G communication, support soft TBOX, support OTA upgrade, support dormant wake -up STR mode; Multi -language switching in Chinese/English, supporting the expansion of multi -sets of language packages, luetooth phone function, phone book synchronization, call name display, Mobile phone screening function, supports CarPlay & Android Auto function, support certification, Built -in multi -way CAN, which can support CAN gateway functions; Support Ethernet access, Support 4 -screen design, support 1 LVDS instrument cast screen, Built -in DVR, support the front and rear dual records, and the 2 -way camera recording,
System Overview
Domain Control Solution – Dual Screen Different Display
ID Reference
Product Introduction
This solution is based on Qualcomm SM6125 main chip expansion development,
This chip has the characteristics of rich functional, high integration, low
power consumption, excellent performance and stable quality.
It can meet the needs of automotive intelligence and networking, shorten the project development cycle, reduce R & D investment, and reduce quality risks.
The system integrates 4G,GPS/Beidou/Glonass,
Display output is supported： FHD（ 2520 * 1080 ） @ 60fp
Integrated 4G full Netcom, support Cat 12 (600Mbps DL) /Cat 13( 150 Mbps UL)
It runs the latest Android operating system Android Q
Supports built-in AVM、 DMS algorithm
Support online voice recognition, online ecological application.
ID Reference
Chip Function
Conceptual design-SOC Introduction
System Introduction
The host uses Android Automotive system, Android Automotive is a basic Android platform in-car infotainment system, Referred to as IVI (In-Vehicle Infotainment), which is essentially an operating system running on the automotive infotainment system, it runs directly on the vehicle hardware, it is a full-stack, open source and highly customizable platform to provide power for the automotive infotainment system; It supports apps built for Android, as well as apps built for Android Auto;
Chip Introduction
Reduce hardware costs The same hardware configuration can support more systems and screens; Reduce R&D costs Support the development of multi-screen interaction, cross-terminal, data sharing and other functions, facilitate porting between different platforms, and reduce R&D costs; High security Through container technology, the IVI system is strictly isolated from the dashboard system, and the operation problems of IVI and other systems do not affect the dashboard system. By allocating exclusive hardware resources, the operation of the IVI system does not affect the dashboard system; The dashboard system supports diversity Currently, it can not only support open source interface display technologies such as QT openGL, but also support 3D display technologies such as kanzi,
IVI Block Diagram
IVI Hardware B lock D diagram
IVI Hardware Block diagram
IVI Software Block Diagram
l Instrument system:
Used to display driving information,
Using a minimalist system tailored to Android, only running necessary system functions and services,
l IV I Android system:
Used to display entertainment and driving comfort information, IVI system uses Android system
Domain control Scheme - Resource Usage analysis
Taking Qualcomm chip QCM6125 platform as an example,
• Additional system resource usage of the container:
• Flash: about 200M
• Memory: about 100M
• CPU： The usage is small and negligible. The container solution itself has no display interface and does not occupy the GPU.
• Instrument: QT App occupies 212M, CPU 10%,
IVI Startup Sequence Diagram
Taking the Qualcomm chip QCM6125 platform as an example,
• Central control STR startup completion time: ≤3s
• Instrument STR startup animation first frame time: ≤3s
Host Hardware Block Diagram
IVI Key Material List
Recommended Key Material List
Domain Control Solution – Secure Instrument Connection
• Start → Turn on MCU → Turn on Safelink → Download indicator icon from MCU to Safelink’s SRAM. • The master outputs the image to Safe link’s LVDS_RX, and Safe link checks the input signal. • Safe link will output different images to LVDS_TX for display screen according to normal signal and abnormal signal;
Domain Control Solution – Secure Instrument Connection
LVDS signal is abnormal or disconnected When the safety chip detects that the LVDS synchronization signal and clock transmitted by the SoC are abnormal or the LVDS signal line is disconnected, the safety chip generates an external interrupt signal to notify the external MCU, and the external MCU posts an icon to remind the user that the input LVDS signal is abnormal; At the same time, the external MCU can control the safety chip to take over the display of vehicle speed and rotation speed. The Cluster instrument LVDS output signal is abnormal or disconnected When the LVDS synchronization signal and clock output by the safety chip to the display screen are abnormal or the LVDS physical wiring is disconnected, the safety chip can detect and generate an external interrupt to tell the external MCU, the external MCU can notify the IV I host and let the IV I host give a warning message to indicate that there is a problem with the Cluster instrument output. The instrument screen frozen from IV I Requires the cooperation of IV I: When the IV I outputs the instrument screen, it requires two more rows of changing pixels or a 2×2 pixel area at the beginning or end of the output screen resolution. The security chip will automatically calculate the CRC value of these two rows of pixels or 2×2 pixels (the security chip will cut off these two rows of pixels during output), and then compare it with the CRC value of the pixels in the previous frame. If the CRC value remains unchanged within the set threshold, it can be considered that the screen is stuck or frozen, and an external interrupt is generated to notify the external MCU. The external MCU controls the security chip to take over the display of vehicle speed and rotation speed.
Output multiple area displays on the instrument end. To ensure that the content output is normal, the external MCU can allow the security chip to detect the CRC value of the specified coordinates and the specified area, and compare the CRC values before and after the output area. If the CRC values are inconsistent, then it can be determined that the output content has changed. There are a total of 8 area CRC values that can be set for detection at the same time. The maximum resolution of the detection area is: Detection area width + starting X coordinate ≤ 3840 Detection area height + starting Y coordinate ≤ 1282 Is the security chip icon output normal: The key indicator icon information on the car, the security chip can detect whether the indicator icon read from the flash is normal. If it is not normal, an external interrupt will be generated to the external MCU. The external MCU can allow the security chip to output the prompt content or try to control the output of the normal icon again. The working principle is to calculate the CRC value of the icon content read from the flash and compare it with the CRC value calculated by the tool on the PC. If it is inconsistent, the data content read out is incorrect and the icon display is abnormal.
GUI Design
360 Panoramic Parking
Live Navigation
Support voice input destination
Support Android maps
Support real-time traffic navigation
Supports offline and online maps
Radio
Supports global radio frequency bands
Supports the RDS function Commonly used radio station collection
Support remote control listening
Support stereo, mono reception Touch operation Voice Control
Bluetooth Phone, MusicBluetooth Phone, Music
Support voice dialing
Call history viewing
Redial the last call
Reboot automatically
Play music
Supports simultaneous pairing of five mobile phones
Phone book download speed 40 PCS/SEC
< =10m receiving distance
Mixzing Media Player
Astern rearview
Quickly reverse the rear view, and the reverse screen is displayed within 3S
The reverse window is added within 1S during normal operation
Precise steering wheel Angle dynamic assist line
Support dynamic reverse trajectory during quick start
Radar display information can be superimposed
Fast startup with dynamic trajectory support
Partial Mass Production List
Qualification
R&D achievements: 125 authorized patents 160 software copyrights Qualifications and Honors: National-level specialized, refined, innovative small giant National high-tech enterprise China Automobile Manufacturers Association governing unit Shenzhen Engineering Technology Research and Development Center Guangdong Province Vehicle Intelligent Terminal System Engineering Technology Research Center Top 50 satellite navigation companies Leading information service company in the transportation industry Leading company in vehicle electronic technology solutions Top 100 technology service companies in Guangdong Province Top 100 software and integrated circuit design companies in Guangdong Province
Partner: Blackberry (QNX VAI) value-added service provider Nanjing Xinchi strategic partner NXP registered partner Renesas South China IDH Rockchip national IDH …… system CMMI3-level software development qualification ISO9001 quality management system IATF16949 quality management system ASPICE 4.0 L2 R&D system ISO26262 ASIL-D R&D system …… The company has CMMI 3 software development capabilities, IPD project R&D management system and ISO9001:2015 quality control system; and obtained BlackBerry’s QNX VAI qualification in 2020, and can provide QNX- related technology value-added services to QNX users in China; ASPICE4.0 L2 & ISO26262 ASIL D R&D system will be completed in 2024.
Full-stack product technology services
R&D Process--Project Management
Project Management System
Zestech uses ONES, a professional project management system, throughout the entire product development life cycle, including product, R&D, testing, knowledge documentation and other R&D processes, top-down team resource management, risk control, performance measurement, etc.; at the same time, it can open permissions to customers and partners for remote monitoring, input, output, and sharing of project status, so that customers and partners can grasp project information in a timely manner.
Product pre-sales process: IATF16949 system
R&D, code branch management and continuous integration capabilities
R&D Management--Test Equipment
Product Introduction—Smart Cockpit
Product Introduction—IVI, Instrumentation
Mass production case: CoreDrive platform
Mass production case: Qualcomm 6125 platform
Mass production example: AC8015 platform
Mass production case: SPHE8368 platform
Mass production case: MTK8666 platform
Mass production case: MTK8666 platform
Mass Production Case: UIS8581A Platform
Collaborative upstream resources
Tier 1 Customers
Cooperating car factory: car factory
Business Model
Business Model
Business positioning: Mainly engaged in the R&D and design services of automobile and motorcycle electronic systems, including: cabin and parking, driving and parking integrated domain controller, intelligent cockpit domain controller, intelligent central control, full LCD digital instrument, in-vehicle entertainment navigation, in-vehicle intelligent equipment, full LCD digital instrument, T-BOX, AVM, CMS, air conditioning controller and other automotive electronic systems, as well as the overall solution design of motorcycle instruments, DVR and other electronic systems, the development of system control software and application software, as well as hardware development, testing and verification and other related technical support services.
