DisasterRadio/SDR software - Revision history

Tunabananas at 10:21, 11 November 2017

2017-11-11T10:21:26Z

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Bleeblahblue at 20:57, 12 November 2013

2013-11-12T20:57:22Z

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	For the "UHD: USRP Sink" in the latest version of grc (as of this writing) the field "Device Addr" would be set to e.g. serial=24e6b31a and the field "Mb0: Subdev Spec" would be set to e.g. "B:0".		For the "UHD: USRP Sink" in the latest version of grc (as of this writing) the field "Device Addr" would be set to e.g. serial=24e6b31a and the field "Mb0: Subdev Spec" would be set to e.g. "B:0".

			[[Category:Proposed Projects]]
			[[Category:Stub]]

Juul at 01:37, 14 September 2013

2013-09-14T01:37:00Z

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	This page is currently a bit of a mess, containing only some notes about GNU Radio. ~~We need to add links to source~~ code ~~for receiving and transmitting and documentation for the~~ code.		This page is currently a bit of a mess, containing only some notes about GNU Radio. Much documentation work needed.

			= Source code =

			The code is [https://github.com/DisasterRadio/DisasterRadioSDR available on github].

	= Interesting links =		= Interesting links =

Juul: Juul moved page DisasterRadio/SDR Software to DisasterRadio/SDR software: lower-cased the S in Software

2013-09-14T00:11:47Z

Juul moved page DisasterRadio/SDR Software to DisasterRadio/SDR software: lower-cased the S in Software

← Older revision	Revision as of 17:11, 13 September 2013
(No difference)

Juul: Created page with "This page is currently a bit of a mess, containing only some notes about GNU Radio. We need to add links to source code for receiving and transmitting and documentation for th..."

2013-09-13T23:53:47Z

Created page with "This page is currently a bit of a mess, containing only some notes about GNU Radio. We need to add links to source code for receiving and transmitting and documentation for th..."

New page

This page is currently a bit of a mess, containing only some notes about GNU Radio. We need to add links to source code for receiving and transmitting and documentation for the code.

= Interesting links =

*[https://www.cgran.org/wiki/Projects List of awesome GNU Radio projects]

= UHD gain selection =

The command:

sudo uhd_find_devices

Should list the gain range for the TX or RX frontend of choice.

E.g. for the WBX TX frontend you get:

Gain range PGA0: 0.0 to 25.0 step 0.1 dB

Make sure you're not looking at the gain range for TX when you're looking to receive or vice-versa, as the won't necessarily be the same!

= GNU Radio UHD device selection =

For a USRP 1 this should be in the form: serial=<hex_serial>. E.g:

serial=24e6b31a

To find device serial run:

sudo uhd_find_devices

You're looking for output that looks like:

| _____________________________________________________
| /
| | Mboard: USRP1
| | serial: 24e6b31a

To set the sub-device (the daughterboard and channel) use the format:

<slot_name>:<daughterboard_frontend_id>

E.g:

B:0

This slot_name and daughterboard_frontend_id are also findable with the command:

sudo uhd_find_devices

The output you're looking for looks like:

| | _____________________________________________________
| | /
| | | RX Dboard: B
| | | ID: WBX, WBX + Simple GDB (0x0053)
| | | _____________________________________________________
| | | /
| | | | RX Frontend: 0
| | | | Name: WBXv2 RX+GDB
| | | | Antennas: TX/RX, RX2, CAL
| | | | Sensors: lo_locked
| | | | Freq range: 68.750 to 2200.000 Mhz
| | | | Gain range PGA0: 0.0 to 31.5 step 0.5 dB
| | | | Connection Type: IQ
| | | | Uses LO offset: No

Specifically the lines:

| | | RX Dboard: B

and:

| | | | RX Frontend: 0

Together making up the B:0.

== For command-line python scripts ==

For command line scripts, device and sub-device is often specified with the --args and --spec arguments. E.g:

my_script.py --args serial=24e6b31a --spec B:0

This syntax may vary from script to script, but this is the most common syntax.

== For GNU Radio Companion ==

For the "UHD: USRP Sink" in the latest version of grc (as of this writing) the field "Device Addr" would be set to e.g. serial=24e6b31a and the field "Mb0: Subdev Spec" would be set to e.g. "B:0".