Possible to access USB devices from a web page using Chrome App?

[Uuno]

Hello,

We have NP/ActiveX plugin that we use to access USB device from web page. When Chrome dropped support for NP plugins our customers no longer are able to use Chrome with our services.

In https://www.chromium.org/developers/npapi-deprecation there is a mentioned that "Chromium also provides an App API for access to USB hardware".

In understand that it requires a Chrome App since the USB API is not listed to be available for Chrome Extensions. I am unfamiliar with the exact details of Chrome Apps. Is it possible for web pages to interact with Chrome Apps? So that if user has the required Chrome App (we would have to make one, of course) installed, our web page could access the USB device trough the App.

Could this be used in our case? Could this allow us to interact with USB device directly from web page's JS code?

[PhistucK]

I believe a web page can send messages to an application.

See https://developer.chrome.com/extensions/runtime#method-connect and https://developer.chrome.com/extensions/runtime#method-sendMessage.

☆PhistucK

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