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/* -*- c++ -*- */
/*
* Copyright 2013 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ctrlport_probe2_f_impl.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace blocks {
ctrlport_probe2_f::sptr
ctrlport_probe2_f::make(const std::string &id, const std::string &desc,
int len, unsigned int disp_mask)
{
return gnuradio::get_initial_sptr
(new ctrlport_probe2_f_impl(id, desc, len, disp_mask));
}
ctrlport_probe2_f_impl::ctrlport_probe2_f_impl(const std::string &id, const std::string &desc,
int len, unsigned int disp_mask)
: sync_block("probe2_f",
io_signature::make(1, 1, sizeof(float)),
io_signature::make(0, 0, 0)),
d_id(id), d_desc(desc), d_len(len), d_disp_mask(disp_mask)
{
set_length(len);
}
ctrlport_probe2_f_impl::~ctrlport_probe2_f_impl()
{
}
void
ctrlport_probe2_f_impl::forecast(int noutput_items,
gr_vector_int &ninput_items_required)
{
// make sure all inputs have noutput_items available
unsigned ninputs = ninput_items_required.size();
for(unsigned i = 0; i < ninputs; i++)
ninput_items_required[i] = d_len;
}
std::vector<float>
ctrlport_probe2_f_impl::get()
{
return buffered_get.get();
}
void
ctrlport_probe2_f_impl::set_length(int len)
{
gr::thread::scoped_lock guard(d_setlock);
if(len > 8191) {
GR_LOG_WARN(d_logger,
boost::format("probe2_f: length %1% exceeds maximum"
" buffer size of 8191") % len);
len = 8191;
}
d_len = len;
d_buffer.resize(d_len);
d_index = 0;
}
int
ctrlport_probe2_f_impl::length() const
{
return (int)d_len;
}
int
ctrlport_probe2_f_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const float *in = (const float*)input_items[0];
gr::thread::scoped_lock guard(d_setlock);
// copy samples to get buffer if we need samples
if(d_index < d_len) {
// copy smaller of remaining buffer space and num inputs to work()
int num_copy = std::min( (int)(d_len - d_index), noutput_items );
memcpy(&d_buffer[d_index], in, num_copy*sizeof(float));
d_index += num_copy;
}
// notify the waiting get() if we fill up the buffer
if(d_index == d_len) {
buffered_get.offer_data(d_buffer);
d_index = 0;
}
return noutput_items;
}
void
ctrlport_probe2_f_impl::setup_rpc()
{
#ifdef GR_CTRLPORT
int len = static_cast<int>(d_len);
d_rpc_vars.push_back(
rpcbasic_sptr(new rpcbasic_register_get<ctrlport_probe2_f, std::vector<float> >(
alias(), d_id.c_str(), &ctrlport_probe2_f::get,
pmt::mp(-2.0f), pmt::mp(2.0f), pmt::mp(0.0f),
// pmt::make_f32vector(1,-2),
// pmt::make_f32vector(1,2),
// pmt::make_f32vector(1,0),
"volts", d_desc.c_str(), RPC_PRIVLVL_MIN,
d_disp_mask)));
d_rpc_vars.push_back(
rpcbasic_sptr(new rpcbasic_register_get<ctrlport_probe2_f, int>(
alias(), "length", &ctrlport_probe2_f::length,
pmt::mp(1), pmt::mp(10*len), pmt::mp(len),
"samples", "get vector length", RPC_PRIVLVL_MIN, DISPNULL)));
d_rpc_vars.push_back(
rpcbasic_sptr(new rpcbasic_register_set<ctrlport_probe2_f, int>(
alias(), "length", &ctrlport_probe2_f::set_length,
pmt::mp(1), pmt::mp(10*len), pmt::mp(len),
"samples", "set vector length", RPC_PRIVLVL_MIN, DISPNULL)));
#endif /* GR_CTRLPORT */
}
} /* namespace blocks */
} /* namespace gr */
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