Andy, I think you were talking about using a GPS receiver with Linux after the last meeting. The receiver I had mentioned came in a couple days ago. It's a Navibe SP611 (http://www.geeks.com/details.asp?InvtId=NAVIBE-ORN), and it does indeed output NMEA 0183. The Navibe website is easy enough to find (http://www.navibe.com/), but it doesn't even acknowledge the existence of the SP611. Linux seems to recognize the serial/USB bridge in the GPS as a Prolific PL-2303: dmesg says: usb 2-1: new full speed USB device using uhci_hcd and address 3 pl2303 2-1:1.0: pl2303 converter detected usb 2-1: pl2303 converter now attached to ttyUSB0 But I can't get GPSMan or GPSDrive to recognize it. "cat /dev/ttyUSB0" gets no response, and I have to hit CTRL-C to get the command prompt back. Per this page (http://koti.mbnet.fi/lonnberg/pl2303x.html) I found that bMaxPacketSize0 = 64, which suggests the bridge is a PL-2303X rather than a plain vanilla PL-2303. Apparently this used to require a patch, but only up to kernel 2.6.8. uname -r says I'm at 2.6.15-1-686, so this shouldn't be an issue. What should I try now? Oh, the GPS receiver did send a stream of NMEA data to my Windows computer at work with GPSDiag, so the reciever doesn't seem to be defective. -- Rich
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Richard Klein wrote:
Andy, I think you were talking about using a GPS receiver with Linux after the last meeting. The receiver I had mentioned came in a couple days ago. It's a Navibe SP611 (http://www.geeks.com/details.asp?InvtId=NAVIBE-ORN), and it does indeed output NMEA 0183. The Navibe website is easy enough to find (http://www.navibe.com/), but it doesn't even acknowledge the existence of the SP611.
Linux seems to recognize the serial/USB bridge in the GPS as a Prolific PL-2303: dmesg says: usb 2-1: new full speed USB device using uhci_hcd and address 3 pl2303 2-1:1.0: pl2303 converter detected usb 2-1: pl2303 converter now attached to ttyUSB0
But I can't get GPSMan or GPSDrive to recognize it. "cat /dev/ttyUSB0" gets no response, and I have to hit CTRL-C to get the command prompt back.
Per this page (http://koti.mbnet.fi/lonnberg/pl2303x.html) I found that bMaxPacketSize0 = 64, which suggests the bridge is a PL-2303X rather than a plain vanilla PL-2303. Apparently this used to require a patch, but only up to kernel 2.6.8. uname -r says I'm at 2.6.15-1-686, so this shouldn't be an issue.
What should I try now?
Oh, the GPS receiver did send a stream of NMEA data to my Windows computer at work with GPSDiag, so the reciever doesn't seem to be defective.
HI Rich, I would do the following: 1) Get the kernel sources for your kernel rev and double check that the required patch is indeed included. I agree that it shouldn't be an issue, but for the 10 minutes it would take to double check, I think it is time well spent. 2) I would use (x)minicom and aim it a /dev/ttyUSB0. Then, plug in the device. If it sends anything to the computer, it should show up on the screen for (x)minicom (yes, assuming that it sends something that is a printable character). Let us know the results of these two experiments. Hopefully, that will bring us closer to a solution. Later, Andy - -- Andy Stewart, Founder Worcester Linux Users' Group (http://www.wlug.org) Chelmsford Linux Meetup Group (http://linux.meetup.com/393) Amateur Radio: KB1OIQ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFGBYbIHl0iXDssISsRArAjAJoDz7wsiYpTSiIk0o+Si0pqN+XfXgCfXbej R3UmuSyyCROPKaQkBkUdhdw= =67/W -----END PGP SIGNATURE-----
participants (2)
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Andy Stewart -
Richard Klein