Re: Garmin GPS on USB port
Thanks all for your help.
First, my digital camera works like a charm.
When I plug my GPS I have only those two lines in /var/log/syslog:
Aug 30 17:23:15 zherc kernel: usb 1-2: new full speed USB device using uhci_hcd and address 4
Aug 30 17:23:15 zherc kernel: usb 1-2: configuration #1 chosen from 1 choice
Also, the module ehci_hcd is already loaded so no need to modprobe it.
The output of lsusb (after the GPS has been plugged) is the following:
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 002: ID 046d:c506 Logitech, Inc. MX-700 Cordless Mouse Receiver
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 004: ID 4348:5523
Bus 001 Device 001: ID 0000:0000
By the way, this is a Garmin GPS III+ if it could help.
I use a usb-to-serial adapter. Does it need a driver or something?
On 8/30/07, Wayne Topa <firstname.lastname@example.org> wrote:
Bernard(email@example.com) is reported to have said:
> On 8/29/07, Douglas A. Tutty <firstname.lastname@example.org> wrote:
> > On Wed, Aug 29, 2007 at 09:16:14PM -0400, Bernard wrote:
> > >
> > > I try to communicate with my GPS via a USB port but without success. I
> > used
> > > to do it with a serial connection without problem. Eventually, I will
> > have
> > > to plug my GPS on a laptop with USB port only so I have to find a
> > solution.
> > > According to a few things read on the web I have to load the garmin_gps
> > > module. I did it with succes but the documentation found said to use
> > > /dev/ttyUSB? which device I don't have. Maybe I still have a few things
> > to
> > > understand about the USB devices and udev!
> > >
> > > I would like to know if someone have been able to communicate with a
> > Garmin
> > > GPS via a USB port and how you did it. Or maybe someone with a good
> > > understanding of USB and udev could help me understand what is going on
> > and
> > > what I should do to make it work.
> > Your documentation may not have taken udev into account. Assuming that
> > you're using standard Etch, run tail -f /var/log/syslog and then plug in
> > the gps and see if a message appears that tells you what device it
> > connects to. I've never hooked my GPS up to the computer. However, for
> > comparison, my Palm comes up as something like /dev/pilot.
> > Doug.
> Ok, here is what I got from syslog:
> Aug 29 21:53:15 zherc kernel: usb 1-2: USB disconnect, address 3
> Aug 29 21:53:28 zherc kernel: usb 1-2: new full speed USB device using
> uhci_hcd and address 4
> Aug 29 21:53:28 zherc kernel: usb 1-2: configuration #1 chosen from 1 choice
> Do you seen something useful from this?
Here is what syslog shows when I plug in my usb GPS puck.
Aug 30 10:27:15 buddy kernel: usb 1-5.4: new full speed USB device using ehci_hcd and address 4
Aug 30 10:27:15 buddy kernel: usb 1-5.4: configuration #1 chosen from 1 choice
Aug 30 10:27:15 buddy kernel: pl2303 1-5.4:1.0: pl2303 converter detected
Aug 30 10:27:15 buddy kernel: usb 1-5.4: pl2303 converter now attached to ttyUSB0
Try doing a modprobe ehci_hcd _before_ you plug the Garmin in.
lsusb here shows
Bus 001 Device 004: ID 067b:2303 Prolific Technology, Inc. PL2303
Bus 001 Device 003: ID 05e3:0702 Genesys Logic, Inc. USB
Bus 001 Device 002: ID 05e3:0606 Genesys Logic, Inc.
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