#!/usr/bin/env python2
##################################################
# GNU Radio Python Flow Graph
# Title: Top Block
# Generated: Tue Jun  2 10:32:40 2015
##################################################

if __name__ == '__main__':
    import ctypes
    import sys
    if sys.platform.startswith('linux'):
        try:
            x11 = ctypes.cdll.LoadLibrary('libX11.so')
            x11.XInitThreads()
        except:
            print "Warning: failed to XInitThreads()"

from gnuradio import analog
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio import uhd
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import time
import wx

class top_block(grc_wxgui.top_block_gui):

    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Top Block")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 1000000

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_source_0 = uhd.usrp_source(
        	",".join(("addr0=192.168.10.2, addr1=192.168.10.3", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(2),
        	),
        )
        self.uhd_usrp_source_0.set_clock_source("external", 0)
        self.uhd_usrp_source_0.set_time_source("external", 0)
        self.uhd_usrp_source_0.set_subdev_spec("A:0", 0)
        self.uhd_usrp_source_0.set_clock_source("external", 1)
        self.uhd_usrp_source_0.set_time_source("external", 1)
        self.uhd_usrp_source_0.set_subdev_spec("A:0", 1)
        self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(915000000, 0)
        self.uhd_usrp_source_0.set_gain(0, 0)
        self.uhd_usrp_source_0.set_antenna("RX2", 0)
        self.uhd_usrp_source_0.set_bandwidth(2000000, 0)
        self.uhd_usrp_source_0.set_center_freq(915000000, 1)
        self.uhd_usrp_source_0.set_gain(0, 1)
        self.uhd_usrp_source_0.set_antenna("RX2", 1)
        self.uhd_usrp_source_0.set_bandwidth(2000000, 1)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("addr0=192.168.10.3", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_clock_source("external", 0)
        self.uhd_usrp_sink_0.set_time_source("external", 0)
        self.uhd_usrp_sink_0.set_subdev_spec("A:0", 0)
        self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(915000000, 0)
        self.uhd_usrp_sink_0.set_gain(0, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(2000000, 0)
        self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
        self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/vijaykp/rx2_", False)
        self.blocks_file_sink_1.set_unbuffered(False)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/vijaykp/rx1_", False)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.analog_sig_source_x_1 = analog.sig_source_f(samp_rate, analog.GR_CONST_WAVE, 1000, 0.5, 0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_sig_source_x_1, 0), (self.blocks_float_to_complex_0, 0))    
        self.connect((self.analog_sig_source_x_1, 0), (self.blocks_float_to_complex_0, 1))    
        self.connect((self.blocks_float_to_complex_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.uhd_usrp_source_0, 0), (self.blocks_file_sink_0, 0))    
        self.connect((self.uhd_usrp_source_0, 1), (self.blocks_file_sink_1, 0))    


    def get_samp_rate(self):
        return self.samp_rate

    def set_samp_rate(self, samp_rate):
        self.samp_rate = samp_rate
        self.analog_sig_source_x_1.set_sampling_freq(self.samp_rate)
        self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
        self.uhd_usrp_sink_0.set_samp_rate(self.samp_rate)


if __name__ == '__main__':
    parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
    (options, args) = parser.parse_args()
    tb = top_block()
    tb.Start(True)
    tb.Wait()