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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_s_impl.h"
#include <gnuradio/io_signature.h>
namespace gr {
namespace blocks {
ctrlport_probe2_s::sptr ctrlport_probe2_s::make(const std::string& id,
const std::string& desc,
int len,
unsigned disp_mask)
{
return gnuradio::get_initial_sptr(
new ctrlport_probe2_s_impl(id, desc, len, disp_mask));
}
ctrlport_probe2_s_impl::ctrlport_probe2_s_impl(const std::string& id,
const std::string& desc,
int len,
unsigned disp_mask)
: sync_block("probe2_s",
io_signature::make(1, 1, sizeof(short)),
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_s_impl::~ctrlport_probe2_s_impl() {}
void ctrlport_probe2_s_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<short> ctrlport_probe2_s_impl::get() { return buffered_get.get(); }
void ctrlport_probe2_s_impl::set_length(int len)
{
gr::thread::scoped_lock guard(d_setlock);
if (len > 8191) {
GR_LOG_WARN(d_logger,
boost::format("probe2_s: 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_s_impl::length() const { return (int)d_len; }
int ctrlport_probe2_s_impl::work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
const short* in = (const short*)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(short));
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);
}
return noutput_items;
}
void ctrlport_probe2_s_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_s, std::vector<short>>(
alias(),
d_id.c_str(),
&ctrlport_probe2_s::get,
pmt::mp(-32768),
pmt::mp(32767),
pmt::mp(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_s, int>(alias(),
"length",
&ctrlport_probe2_s::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_s, int>(alias(),
"length",
&ctrlport_probe2_s::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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