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/* -*- c++ -*- */
/*
* Copyright 2010 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.
*/
#include <uhd_simple_sink.h>
#include <gr_io_signature.h>
#include <boost/thread.hpp>
#include <stdexcept>
#include "utils.h"
/***********************************************************************
* Make UHD Sink
**********************************************************************/
boost::shared_ptr<uhd_simple_sink> uhd_make_simple_sink(
const std::string &args,
const std::string &type
){
return boost::shared_ptr<uhd_simple_sink>(
new uhd_simple_sink(args, type)
);
}
/***********************************************************************
* UHD Sink
**********************************************************************/
uhd_simple_sink::uhd_simple_sink(
const std::string &args,
const std::string &type
) : gr_sync_block(
"uhd sink",
gr_make_io_signature(1, 1, get_size(type)),
gr_make_io_signature(0, 0, 0)
){
_type = type;
_dev = uhd::simple_device::make(args);
_sizeof_samp = get_size(type);
}
uhd_simple_sink::~uhd_simple_sink(void){
//NOP
}
void uhd_simple_sink::set_samp_rate(double rate){
return _dev->set_tx_rate(rate);
}
double uhd_simple_sink::get_samp_rate(void){
return _dev->get_tx_rate();
}
void uhd_simple_sink::set_center_freq(double freq){
_dev->set_tx_freq(freq);
}
/***********************************************************************
* Work
**********************************************************************/
int uhd_simple_sink::work(
int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items
){
size_t total_items_sent = 0;
uhd::tx_metadata_t metadata;
metadata.start_of_burst = true;
//call until the input items are all sent
while(total_items_sent < size_t(noutput_items)){
size_t items_sent = _dev->get_device()->send(
boost::asio::buffer(
(uint8_t *)input_items[0]+(total_items_sent*_sizeof_samp),
(noutput_items-total_items_sent)*_sizeof_samp
), metadata, _type
);
total_items_sent += items_sent;
}
return noutput_items;
}
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