USB bridge to i2c, spi, gpio, uart

Projects
1

Looking to use/create single USB bridge to multiple i2c, spi, gpio, uart
Looking for ideas how to do this. Or where to even start looking.

So far I found this,
http://janaxelson.com/usb_device_hardware.htm

Software references
usb over ethernet

multi

tools for developers

A hardware implementation for reference.

http://www.microchip.com/wwwproducts/en/MCP2221A

I want to create a USB bridge hid descriptor so that the device can detected on andriod, windows, and load the USB driver.

2

USB multi-protocol bridge

Implemented as threaded multi-protocol support in software.
Simultaneous protocol support requires an asci or fpga.

Search key: USB Multi interface/protocol Adapter

Ideal a lower performance solution can be built in threaded software.

3
4

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