c# - .NET OPOS MSR - Detect Timeout or better, a straight USB communication alternative -



c# - .NET OPOS MSR - Detect Timeout or better, a straight USB communication alternative -

i having issue connecting opos device, , if device gets disconnected returning status of 2. because of have no way of knowing if device needs reconnect. part, reconnects me, not always, , since don't know how observe when needs it, have restart programme (or add together reconnect button) reconnect device.

does know of type of "ping" or "heartbeat" action know, in realtime, if opos msr item connected?

even better, possible alternative straight usb communication? opos compliant application have assume follows basic usb protocol utilize straight communicate it?

thanks in advanec

c# vb.net opos

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