I am using the prolific usb to serial connector. After I connect the usb
WHICH "prolific usb to serial"? They have a whole slew of different
models. And that doesn't count the packagers using a Prolific chip in their
I'm guessing something similar to
I can't really help with Prolific -- most of my USB<>serial devices are
FTDI chips. I think the Adafruit 4-pin cable is the only Prolific chip
device I have.
cable & When I check on Ubuntu with dmesg | tail
I could see it’s getting enumerated as ttyUSB0
When I open with putty on the path
/dev/ttyUSB0 with 115200 8N1
I am not able to open the com port using putty.
Do you have privileges for the device? May not be relevant, but
connecting a USB<>Serial to the USB side of my BBB (I don't have a native
Linux desktop computer, and Windows won't be helpful to you) shows up like
crw-rw---- 1 root dialout 188, 0 Jul 2 13:21 /dev/ttyUSB0
the default user for the machine does belong to the dialout group.
I got the same thing for Debian running inside VirtualBox /after/
manually selecting the USB device from the VB0x menu...
BUT... unlike the BBB, my user account under VBox does NOT belong to
the dialout group, so I would have not permission to use it without making
crw-rw---- 1 root dialout 188, 0 Jul 2 13:31 /dev/ttyUSB0
wulfraed cdrom floppy sudo audio dip video plugdev netdev bluetooth lpadmin
wulfraed@debian:~$ sudo usermod -a -G dialout wulfraed
[sudo] password for wulfraed:
wulfraed dialout cdrom floppy sudo audio dip video plugdev netdev bluetooth
lpadmin scanner vboxsf