Reply To: How to use my RSPduo w/ Rpi-3 & command line?

[alanmalkParticipant]

Yet again – I am grateful that you are able to provide me with support.

No luck yet with finding the correct device.

Perhaps there are some clues in the following:

<My comment on the following command: It seems my RSPduo is available.>
pi@macpi:~ $ SoapySDRUtil –probe=’\”driver=sdrplay’
######################################################
## Soapy SDR — the SDR abstraction library ##
######################################################

Probe device \driver=sdrplay
[INFO] devIdx: 0
[INFO] hwVer: 3
[INFO] rspDuoMode: 1
[INFO] tuner: 1
[INFO] rspDuoSampleFreq: 0.000000

—————————————————-
— Device identification
—————————————————-
driver=SDRplay
hardware=1806037A32 – Single Tuner
sdrplay_api_api_version=3.070000
sdrplay_api_hw_version=3
————– remainder truncated ———

<My comment on the following command: I am certain the RSPduo is device 006>
pi@macpi:~ $ lsusb
Bus 001 Device 005: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
Bus 001 Device 006: ID 1df7:3020
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

<My comment on the following command: Using “-device 6” looks quite odd to me. I don’t want to use the dongle.>
pi@macpi:~ $ ./Downloads/SdrGlut/sdrTest/sdrTest -fc 1e6 -f 0.76e6 -am -gain 1 -device 6
Detached kernel driver
Found Rafael Micro R820T tuner
Reattached kernel driver
[INFO] [UHD] linux; GNU C++ version 8.2.0; Boost_106700; UHD_3.13.1.0-3
Number of Devices Found: 2
SDR device = 0 label = PulseAudio
SDR device = 1 label = Generic RTL2832U OEM :: 00000001

Error Opening SDR

<My comment on the command(s) below: Getting nothing for 1-1.6 is very worrisome. Tried 1-1.3 for proof that something was logged – but both device 4 & 6??!.>
pi@macpi:~ $ dmesg | grep 1-1.6
pi@macpi:~ $ dmesg | grep 1-1.3
[ 4.194408] usb 1-1.3: new high-speed USB device number 4 using dwc_otg
[ 4.325106] usb 1-1.3: New USB device found, idVendor=1df7, idProduct=3020, bcdDevice= 2.00
[ 4.325133] usb 1-1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 472.000252] usb 1-1.3: USB disconnect, device number 4
[ 472.309740] usb 1-1.3: new high-speed USB device number 6 using dwc_otg
[ 472.440220] usb 1-1.3: New USB device found, idVendor=1df7, idProduct=3020, bcdDevice= 2.08
[ 472.440233] usb 1-1.3: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 472.440241] usb 1-1.3: SerialNumber: 1806037A32
pi@macpi:~ $

Does anything stand out as “user error” to you?