#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Top Block
# Generated: Fri Apr 29 13:08:42 2011
##################################################

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

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 = 32000

		##################################################
		# Blocks
		##################################################
		self.uhd_usrp_source_0 = uhd.usrp_source(
			device_addr="addr0=192.168.30.2,addr1=192.168.20.2",
			io_type=uhd.io_type.COMPLEX_FLOAT32,
			num_channels=2,
		)
		self.uhd_usrp_source_0.set_clock_config(uhd.clock_config.external(), uhd.ALL_MBOARDS)
		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(200e6, 0)
		self.uhd_usrp_source_0.set_gain(0, 0)
		self.uhd_usrp_source_0.set_center_freq(200e6, 1)
		self.uhd_usrp_source_0.set_gain(0, 1)
		self.gr_null_sink_1 = gr.null_sink(gr.sizeof_gr_complex*1)
		self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex*1)

		##################################################
		# Connections
		##################################################
		self.connect((self.uhd_usrp_source_0, 0), (self.gr_null_sink_1, 0))
		self.connect((self.uhd_usrp_source_0, 1), (self.gr_null_sink_0, 0))

	def get_samp_rate(self):
		return self.samp_rate

	def set_samp_rate(self, samp_rate):
		self.samp_rate = samp_rate
		self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)

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

	for i in range(4):
		tb = top_block()
		tb.start()
		time.sleep(2)
		tb.stop()
		tb.wait()