HDMI to FPD-Link III Converter with USB Control Interface
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Solution Overview
Problem
Existing FPD Link III converters cannot receive USB signals for control of video conversion from HDMI to FPD-link III output and lack a graphical user interface for modifying programs.
Innovation Solution
A system that converts HDMI to FPD-link III output using a USB interface, incorporating a USB interface, USB to I2C bridge, FPD-link III serializer, input/output expander, enabler circuit, and EEPROM, with a graphical user interface provided by a processor and memory to configure and modify programs via a USB interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing FPD Link III converters use Ethernet interface for control instructions, then video conversion from HDMI to FPD-link III output can be achieved, but the system cannot receive USB signals for control and lacks USB-based program modification capability
Solution Approach 1:
The converter apparatus is designed to support multiple interface types (Ethernet and USB) for control instructions, allowing the same device to adapt to different communication protocols and control methods, thereby improving interface compatibility without requiring separate dedicated devices for each interface type
2Ease of operation
If existing FPD Link III converters use command line interface for system interaction, then basic control functionality is maintained, but graphical user interface for modifying programs is lacking
Solution Approach 1:
A graphical user interface layer is introduced as an intermediary between the user and the underlying command-line-based control system. This GUI layer translates user-friendly graphical interactions into the existing command-line instructions, improving ease of operation while maintaining compatibility with the existing software architecture
Data Source
AI summary
An apparatus for converting HDMI to FPD-link III signals in automobiles. The apparatus includes a USB to I2C bridge allowing USB interfaced commands to configure and update a USB to I2C Bridge, I/O Expander, EEPROM and FPD-link III Serializer that convert HDMI inputs to FPD-link III outputs. The apparatus also includes an EEPROM configured to hold video timing configurations for the Device Under Test as well.