#
# Copyright 2009 Free Software Foundation, Inc.
# 
# This file is part of GNU Radio
# 
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# 
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
# 

from gnuradio import gr
from gnuradio import usrp2

class usrp_transmit_path(gr.hier_block2):
    def __init__(self):
        '''
        See below for what options should hold
        '''
        gr.hier_block2.__init__(self, "usrp_transmit_path",
                gr.io_signature(0, 0, 0),                    # Input signature
                gr.io_signature(0, 0, 0)) # Output signature
        
        sample_freq = 1
        sin_freq = 0.1
        amplitude = 1
        offset = 0
        self.src = gr.sig_source_c(sample_freq, gr.GR_SIN_WAVE, sin_freq, amplitude, offset)
        n_samples = 256
        self.head = gr.head(gr.sizeof_gr_complex, n_samples)
        self.u = usrp2.sink_32fc("eth2","")
        self.u.set_center_freq(2450e6)
        self.u.set_interp(128)
        self.connect(self.src, self.head, self.u)