Listening to USB device - Raspberry Pi Forums

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hi,

have couple of usb devices. want listen and/or send data. problem have trouble opening port device.

connecting arduino-based controller name changes between '/dev/ttyacm1' , '/dev/ttyacm0'
have barcode scanner , yet unable find port connected.

line use open port looks this:
device = open('/dev/ttyacm1', 'rb')

so, question: there way connect specific usb port constant name?

yes, google "udev rules"


raspberrypi



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