Daughter Board RFX2400

Hi all GNUradio users,

I am using Ubuntu 9.04 and using GNUradio 3.2.2

My task here is to activate the local oscillator on the daughterboard
itself in order to have the USRP2 perform as a tx standalone device.

From my understanding the local oscillator is activated once I set the
frequency of the transmission itself.

In order to initialise the local oscillator I need to

initialise the RFX2400 daughterboard on the USRP2 using the firmware
provided onto the SD Card.

I am facing several problems and was wondering if I am approaching in
the correct direction.

I was checking out db.h under usrp2/firmware/lib and came across the
file db_init.c

Upon closer examination I discover that the initialisation for the
daughterboard is only for the Basic TX daughterboard

What I need to do here is to initialise the TX portion of the RFX2400.

I have changed the variable &db_basic_tx to &db_rfx_2400_tx inside the
function db_init.c

Am I missing out anything else that is allowing me to initialise the
daughterboard?

How do I make sure that the daughterboard is initialised?

I have checked out the schematics as well but due to my limited
knowledge, I can only deduce that I need to initialise the GPIO and
clocks.

I will appreciate any comments and help here. I have just 1 week left to
finish this project.

Thank you!

Regards,

Theodore

My task here is to activate the local oscillator on the daughterboard
itself in order to have the USRP2 perform as a tx standalone device.

As I can remember it, there was a “special firmware” for operating the
USRP in standalone mode.

Is it that one you are using?

Regards,
Mattias

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