#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: FcdTest
# Generated: Sat Apr  7 16:09:26 2012
##################################################

from gnuradio import audio
from gnuradio import blks2
from gnuradio import eng_notation
from gnuradio import fcd
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.gr import firdes
from gnuradio.wxgui import forms
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import wx

class gr_fcdtest(grc_wxgui.top_block_gui):

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

		##################################################
		# Variables
		##################################################
		self.samp_rate = samp_rate = 96000
		self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate, 30000, 5000, firdes.WIN_HAMMING, 6.76)
		self.Freq = Freq = 100

		##################################################
		# Blocks
		##################################################
		_Freq_sizer = wx.BoxSizer(wx.VERTICAL)
		self._Freq_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_Freq_sizer,
			value=self.Freq,
			callback=self.set_Freq,
			label='Freq',
			converter=forms.float_converter(),
			proportion=0,
		)
		self._Freq_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_Freq_sizer,
			value=self.Freq,
			callback=self.set_Freq,
			minimum=60,
			maximum=150,
			num_steps=1,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Add(_Freq_sizer)
		self.xlating_fir_filter = gr.freq_xlating_fir_filter_ccf(1, (xlate_filter_taps), 0, samp_rate)
		self.fcd_source_c_0 = fcd.source_c("FCD")
		self.fcd_source_c_0.set_freq_corr(-120)
		self.fcd_source_c_0.set_freq(Freq*10000000)
		    
		self.blks2_wfm_rcv_0 = blks2.wfm_rcv(
			quad_rate=samp_rate,
			audio_decimation=2,
		)
		self.audio_sink_0 = audio.sink(samp_rate/2, "LinPSK_Play", True)

		##################################################
		# Connections
		##################################################
		self.connect((self.xlating_fir_filter, 0), (self.blks2_wfm_rcv_0, 0))
		self.connect((self.blks2_wfm_rcv_0, 0), (self.audio_sink_0, 0))
		self.connect((self.blks2_wfm_rcv_0, 0), (self.audio_sink_0, 1))
		self.connect((self.fcd_source_c_0, 0), (self.xlating_fir_filter, 0))

	def get_samp_rate(self):
		return self.samp_rate

	def set_samp_rate(self, samp_rate):
		self.samp_rate = samp_rate
		self.set_xlate_filter_taps(firdes.low_pass(1, self.samp_rate, 30000, 5000, firdes.WIN_HAMMING, 6.76))

	def get_xlate_filter_taps(self):
		return self.xlate_filter_taps

	def set_xlate_filter_taps(self, xlate_filter_taps):
		self.xlate_filter_taps = xlate_filter_taps
		self.xlating_fir_filter.set_taps((self.xlate_filter_taps))

	def get_Freq(self):
		return self.Freq

	def set_Freq(self, Freq):
		self.Freq = Freq
		self._Freq_slider.set_value(self.Freq)
		self._Freq_text_box.set_value(self.Freq)
		self.fcd_source_c_0.set_freq(self.Freq*10000000)

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