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Author Topic: USB GPS conflict with two serialized USB SDR's  (Read 286 times)

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imjuan

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USB GPS conflict with two serialized USB SDR's
« on: June 22, 2021, 06:53:56 PM »
Looking for help...  I have an RPI running PiAware & RBFeeder. I have two SDR's serialized for 978 and 1090. 
https://www.radarbox.com/stations/EXTRPI026708

Output from rtl_test -t

Found 2 device(s):
  0:  Realtek, RTL2832U, SN: 00000978
  1:  Realtek, RTL2832U, SN: 00001090

Using device 0: Generic RTL2832U
usb_claim_interface error -6
Failed to open rtlsdr device #0.

My problem is when I plug my USB GPS in I lose USB 0 SDR because the GPS takes it. 

My GPSD config is:
# Default settings for the gpsd init script and the hotplug wrapper.

# Start the gpsd daemon automatically at boot time
START_DAEMON="true"

# Use USB hotplugging to add new USB devices automatically to the daemon
USBAUTO="false"

# Devices gpsd should collect to at boot time.
# They need to be read/writeable, either by user gpsd or the group dialout.
DEVICES="/dev/ttyUSB0"

# Other options you want to pass to gpsd
GPSD_OPTIONS="-n"
GPSD_SOCKET="/var/run/gpsd.sock"

I'm not familiar with USB initialization and assignment.  Please help if you can.

Thanks,  Ron

P.S. The reason I want the GPS working is I will be going mobile in my motorhome.
« Last Edit: June 22, 2021, 06:58:17 PM by imjuan »