USB GPS by DeLorme

[Matthew Carpenter]

Hi Roger-

Thanks for the information. 
Could you send the output of. "cat /proc/bus/usb/devices" and "cat 
/proc/bus/usb/drivers"

Thanks!
Matt


Roger Oberholtzer wrote:

>On Wed, 2004-01-21 at 20:51, Matthew Carpenter wrote:
>  
>
>>Hi Roger-
>>do you actually modprobe the pl2303 in order for it to work?  Without 
>>the pl2303 does hid pick it up?  I'm a bit fuzzy over drivers "claiming" 
>>the device.  I'm wondering if hid recognizes the device for some STRANGE 
>>reason, and if so, how do we pre-empt it?  (btw- I'm using hotplug)
>>    
>>
>
>On Gentoo I needed to load it by hand (well, in a config file, but not
>hotplug). 
>
>I just plugged it in to a SuSE 9 box (wihout the pl2303 loaded), and I
>got this:
>
> hub.c: new USB device 00:10.0-1, assigned address 2
> usb.c: USB device 2 (vend/prod 0x557/0x2008) is not claimed by any
>		active driver.
>
>After a modprobe pl2303, I get:
>
> usbserial.c: USB Serial support registered for PL-2303
> usbserial.c: PL-2303 converter detected
> usbserial.c: PL-2303 converter now attached to ttyUSB0 (or usb/tts/0
>		for devfs)
> pl2303.c: Prolific PL2303 USB to serial adaptor driver v0.10
>
>I expect the effect would be the same if the pl2303 was already loaded.
>
>
>
>
>
>
>  
>
>>Thanks for the input!
>>Matthub.c: new USB device 00:10.0-1, assigned address 2
>>    
>>
>usb.c: USB device 2 (vend/prod 0x557/0x2008) is not claimed by any
>active driver.
>
>  
>
>>Roger Oberholtzer wrote:
>>
>>    
>>
>>>Perhaps the unit is a Serial-over-USB device. Then a /dev/ttyUSBx entry
>>>will be made that is accessed just like a serial port. I have a
>>>converter cable that does this so I can hook up serial devices to a USB
>>>connector. As always, there are device drivers involved. So, you would
>>>need to install the appropriate driver. I use, for example, the pl2303
>>>driver. When it is loaded the new /dev/ttyUSBX device is made. That is
>>>on Gentoo with devfs. I then access the USB device as /dev/ttyUSBx
>>>
>>>Should this be the case, check out:
>>>
>>>	/usr/src/linux/Documentation/usb/usb-serial.txt
>>>
>>>
>>>On Wed, 2004-01-21 at 02:57, Matthew Carpenter wrote:
>>> 
>>>
>>>      
>>>
>>>>gpsdrive supports the DeLorme Earthmate, but has only confirmed it to work with the Serial version.  I'm attempting to provide a Serial interface to the unit.  I know the bit about watching /var/log/messages but was wondering if there was something in /proc which might be a more precise mechanism.  I wondered if someone out there who knows more about USB in linux than I do might answer.  I wondered if perhaps /dev/usb/??? or /dev/ttyUSB?? might be the default...  As it is the Earthmate shows up as a "hid" device and appears to be assigned to /dev/usb/hiddev0 but I've been thus far unable to access it there...
>>>>
>>>>
>>>>On Tue, 20 Jan 2004 15:42:24 -0500
>>>>Bruce Marshall <bmarsh at bmarsh.com> wrote:
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>>>On Tuesday 20 January 2004 14:11, Matthew Carpenter wrote:
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>How do I tell how to access a new USB device?
>>>>>>
>>>>>>I'm looking through Kinfocenter and wondering why they don't include that
>>>>>>information in the USB section (like, device to access it.. a duh!) And I
>>>>>>got to wondering how they'd implement that.  Does anyone have a superior
>>>>>>understanding of USB and wish to take a stab at determining what device to
>>>>>>access a USB device through?  For this example, use 2.4.21, or SuSE 9.0pro.
>>>>>>
>>>>>>The challenge is set.  Thanks
>>>>>>Matt
>>>>>>
>>>>>>ps.  The need is to access a USB GPS from DeLorme, called the Earthmate.
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>Can I ask what you are going to use for software to deal with the Earthmate?
>>>>>
>>>>>
>>>>>-- 
>>>>>+----------------------------------------------------------------------------+
>>>>>+ Bruce S. Marshall  bmarsh at bmarsh.com  Bellaire, MI         01/20/04 15:42  +
>>>>>+----------------------------------------------------------------------------+
>>>>>"Nobody can be as agreeable as an uninvited guest."
>>>>>
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>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
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>>>
>>>      
>>>
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>>    
>>
>
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