#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Record
# Generated: Mon Oct 23 23:04:23 2017
##################################################

from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
import osmosdr
import time


class record(gr.top_block):

    def __init__(self):
        gr.top_block.__init__(self, "Record")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 16e6
        self.frequency = frequency = 1686.6e6

        ##################################################
        # Blocks
        ##################################################
        self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' )
        self.osmosdr_source_0.set_sample_rate(samp_rate)
        self.osmosdr_source_0.set_center_freq(frequency, 0)
        self.osmosdr_source_0.set_freq_corr(0, 0)
        self.osmosdr_source_0.set_dc_offset_mode(0, 0)
        self.osmosdr_source_0.set_iq_balance_mode(0, 0)
        self.osmosdr_source_0.set_gain_mode(False, 0)
        self.osmosdr_source_0.set_gain(0, 0)
        self.osmosdr_source_0.set_if_gain(40, 0)
        self.osmosdr_source_0.set_bb_gain(36, 0)
        self.osmosdr_source_0.set_antenna('', 0)
        self.osmosdr_source_0.set_bandwidth(10e6, 0)
          
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((127, ))
        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, 'grb_1686800000_16000000_S8.cfile', False)
        self.blocks_file_sink_0_0.set_unbuffered(False)
        self.blocks_complex_to_interleaved_char_0 = blocks.complex_to_interleaved_char(False)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_complex_to_interleaved_char_0, 0), (self.blocks_file_sink_0_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_complex_to_interleaved_char_0, 0))    
        self.connect((self.osmosdr_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))    

    def get_samp_rate(self):
        return self.samp_rate

    def set_samp_rate(self, samp_rate):
        self.samp_rate = samp_rate
        self.osmosdr_source_0.set_sample_rate(self.samp_rate)

    def get_frequency(self):
        return self.frequency

    def set_frequency(self, frequency):
        self.frequency = frequency
        self.osmosdr_source_0.set_center_freq(self.frequency, 0)


def main(top_block_cls=record, options=None):

    tb = top_block_cls()
    tb.start()
    try:
        raw_input('Press Enter to quit: ')
    except EOFError:
        pass
    tb.stop()
    tb.wait()


if __name__ == '__main__':
    main()