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From: | Tan Yong Hua Theodore |
Subject: | [Discuss-gnuradio] Daughter Board RFX2400 |
Date: | Wed, 21 Jul 2010 16:40:24 +0800 |
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 |
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