USB ticket printer - error when open(9600,1)

Hi,

I', using Usb Serial library 2.4 and my usb ticket printer is recognized.

Demo example from library 2.4 prompt user to accept permissions but when code try to open the port it fails.

That could be wrong to get the error and app enter in the line: Log("Error opening USB port 1") ??

Printer is working with some serial over usb examples from Google Play.


Kind regards,
Abilio
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The code:

If usb1.UsbPresent(1) = usb1.USB_NONE Then '...

USB ticket printer - error when open(9600,1)

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