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From: | Nemanja Savic |
Subject: | Re: [Discuss-gnuradio] two RX paths |
Date: | Tue, 3 Dec 2013 17:24:03 +0100 |
On 12/03/2013 11:10 AM, Nemanja Savic wrote:You need to specify the dual-DDC image for USRP1:_______________________________________________ Discuss-gnuradio mailing list address@hidden https://lists.gnu.org/mailman/listinfo/discuss-gnuradioIn the script, sources are defined in this way:At the moment, when I run the flow graph it ends immediately with core dump, and zero divisin exception.Hi all guys,I would like to receive in my application signals from WBX board and from LFTX simultaneousely.
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_subdev_spec("A:0", 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate_wbx)
self.uhd_usrp_source_0.set_center_freq(433900000, 0)
self.uhd_usrp_source_0.set_gain(input_gain_slider_wbx, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
and the second:
self.uhd_usrp_source_1 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_1.set_subdev_spec("B:A", 0)
self.uhd_usrp_source_1.set_samp_rate(samp_rate_CC1000)
self.uhd_usrp_source_1.set_center_freq(freq_CC1000, 0)
self.uhd_usrp_source_1.set_gain(gain_CC1000, 0)
There are certain posts about using different firmware, but I am not able to figure out what should I really do, and is that necessary?
Thanx for help,
Best,
--
Nemanja Savić
usrp1_fpga_4rx.rbf
http://files.ettus.com/uhd_docs/manual/html/usrp1.html#specify-a-non-standard-image
-- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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