USB Controller Automatic Driver Setup
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Solution Overview
Problem
Existing data transfer systems require complex manual installation of device drivers on host PCs, complicating the setup of communication channels and functions, especially for multifunction USB devices that need to connect two hosts for data exchange and storage.
Innovation Solution
A data communication system comprising a controller and storage unit with pre-defined or customized instructions that convert communication requests from computing devices into recognizable commands, allowing for automatic setup of communication channels and execution of data read/write operations without the need for manual driver installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual device driver installation is required for USB devices, then device functionality can be achieved, but system complexity and ease of operation deteriorate due to complicated setup processes
Solution Approach 1:
The USB device performs self-identification by automatically sending device descriptor information to the host PC upon connection, enabling the host to automatically recognize and load the appropriate device driver without manual intervention. This self-service mechanism eliminates the need for users to manually install drivers or configure communication channels.
Solution Approach 2:
The device descriptor containing identification information is pre-configured in the USB device before connection. When the device is connected, this preliminary information is immediately transmitted to the host, allowing the host to proactively identify and prepare the appropriate driver and communication protocol before actual data transfer begins.
2Adaptability or versatility
If multifunction USB devices support both linking and storage functions, then device versatility improves, but device complexity worsens due to multiple device drivers and communication protocols required
Solution Approach 1:
The USB device is designed with multi-functionality, integrating both data transfer (linking) and storage capabilities within a single device. The device can operate in different modes (data transfer mode or storage mode) based on the host's requirements, eliminating the need for separate devices and reducing overall system complexity.
Solution Approach 2:
The device descriptor contains pre-configured information about the device's multifunctional capabilities. Upon connection, the host reads this descriptor to automatically determine which functions are available and configures the appropriate communication protocol and driver, simplifying the setup process for multifunctional operation.
Data Source
AI summary
A communication system may include one or more communication interfaces, a controller, and a storage unit. The communication interface(s) may be configured to be coupled to first and second computing devices. The controller is configured to establish a communication channel between the first and second computing devices. The first and second communication interfaces are coupled with the controller, and the controller is further configured to receive from at least one of the first and second computing devices a communication command communicated in a first format consistent with an external storage device protocol. The storage unit is coupled with the controller and contains a set of instructions recognizable and executable by the first and second computing devices for converting communication requests from at least one of the first and second computing devices to the communication command. The controller is configured to be recognizable by at least one of the first and second computing devices as a storage device controller.