[ gpsdrive ] DeLorme Earthmate GPS model 9538v1.0: USB works...

[jd <onymouse@garlic.com>]

Tried the Earthmate GPS (the little yellow puck) using both serial and USB.
I see it is listed on the gpsdrive working device list for serial only.

USB works but the cypress_m8 kernel module is required.
USB is implemented as a HID device, not a serial device.
The kernel module creates a USB character device that looks like a 
serial device.
It is created dynamically and the device name is not always predictable. 
That makes it impossible to use a simple script to connect to the device 
using gpsd and makes it completely impossible to set-and-forget it in 
GPSDrive prefs--it has to be set every time it is plugged in.
I have several usb serial devices attached and sometimes they come up 
before the Earthmate and that changes the device name of the Earthmate.
But it looks like it may be possible to figure it out somehow. Maybe by 
grepping dmesg?

Hope this is useful...

-- 
jd




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