3 * Copyright 2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_RX_16SC_HANDLER_H
24 #define INCLUDED_RX_16SC_HANDLER_H
26 #include <usrp2/rx_nop_handler.h>
27 #include <usrp2/copiers.h>
29 #define RX_16SC_HANDLER_DEBUG 0
31 class rx_16sc_handler : public usrp2::rx_nop_handler
33 std::complex<int16_t> *d_dest;
35 // Private constructor
36 rx_16sc_handler(uint64_t max_samples, uint64_t max_quantum, std::complex<int16_t> *dest)
37 : rx_nop_handler(max_samples, max_quantum), d_dest(dest) {}
40 // Shared pointer to one of these
41 typedef boost::shared_ptr<rx_16sc_handler> sptr;
43 // Factory function to return a shared pointer to a new instance
44 static sptr make(uint64_t max_samples, uint64_t max_quantum, std::complex<int16_t> *dest)
46 if (RX_16SC_HANDLER_DEBUG)
47 printf("rx_16sc_handler: max_samples=%li max_quantum=%li\n", max_samples, max_quantum);
49 return sptr(new rx_16sc_handler(max_samples, max_quantum, dest));
52 // Invoked by USRP2 API when samples are available
53 bool operator()(const uint32_t *items, size_t nitems, const usrp2::rx_metadata *metadata)
55 if (RX_16SC_HANDLER_DEBUG)
56 printf("rx_16sc_handler: called with items=%zu ", nitems);
58 // Copy/reformat/endian swap USRP2 data to destination buffer
59 usrp2::copy_u2_complex_16_to_host_complex_16(nitems, items, d_dest);
62 // FIXME: do something with metadata
64 // Determine if there is room to be called again
65 bool ok = rx_nop_handler::operator()(items, nitems, metadata);
66 if (RX_16SC_HANDLER_DEBUG)
67 printf("ok to call again=%i\n", ok);
75 #endif /* INCLUDED_RX_16SC_HANDLER_H */