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Re: [Discuss-gnuradio] Using the UHD API for Python Programming


From: Tibisay Sanchez
Subject: Re: [Discuss-gnuradio] Using the UHD API for Python Programming
Date: Mon, 31 Aug 2015 18:04:35 +0200

Hi people.

I'm using the same code to synchronize channel phase. I'm using MIMO 
cable, and the next lines are used to do that

        self.uhd_usrp_source_0.set_clock_source("mimo", 1)
        self.uhd_usrp_source_0.set_time_source("mimo", 1)
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(1.2e9, 0)
        self.uhd_usrp_source_0.set_gain(10, 0)
        self.uhd_usrp_source_0.set_antenna("RX2", 0)
        self.uhd_usrp_source_0.set_center_freq(1.2e9, 1)
        self.uhd_usrp_source_0.set_gain(10, 1)
        self.uhd_usrp_source_0.set_antenna("RX2", 1)

To synch the phase I used

        self.cmd_time = self.uhd_usrp_source_0.uhd_time_spect_t(.1)
  self.uhd_usrp_source_0.set_command_time(self.cmd_time)
  self.uhd_usrp_source_0.clear_command_time()

When I run the python file, I have an error, it says: " File 
"sync_mimo_nophase_grc.py", line 73, in __init__
    self.cmd_time = self.uhd_usrp_source_0.uhd_time_spect_t(.1)
AttributeError: 'usrp_source_sptr' object has no attribute 
'uhd_time_spect_t'"

Anyone can help me with my problem.

Thanks

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