root / gr-usrp2 / src / rx_32fc_handler.h @ 07bd878b
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| 1 | /* -*- c++ -*- */
|
|---|---|
| 2 | /*
|
| 3 | * Copyright 2008 Free Software Foundation, Inc. |
| 4 | * |
| 5 | * This file is part of GNU Radio |
| 6 | * |
| 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) |
| 10 | * any later version. |
| 11 | * |
| 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. |
| 16 | * |
| 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. |
| 21 | */ |
| 22 | |
| 23 | #ifndef INCLUDED_RX_32FC_HANDLER_H
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| 24 | #define INCLUDED_RX_32FC_HANDLER_H
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| 25 | |
| 26 | #include <usrp2/rx_nop_handler.h> |
| 27 | #include <usrp2/copiers.h> |
| 28 | #include <gr_complex.h> |
| 29 | |
| 30 | class rx_32fc_handler : public usrp2::rx_nop_handler |
| 31 | {
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| 32 | gr_complex *d_dest; |
| 33 | |
| 34 | // Private constructor
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| 35 | rx_32fc_handler(uint64_t max_samples, uint64_t max_quantum, gr_complex *dest) |
| 36 | : rx_nop_handler(max_samples, max_quantum), d_dest(dest) {}
|
| 37 | |
| 38 | public:
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| 39 | // Shared pointer to one of these
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| 40 | typedef boost::shared_ptr<rx_32fc_handler> sptr;
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| 41 | |
| 42 | // Factory function to return a shared pointer to a new instance
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| 43 | static sptr make(uint64_t max_samples, uint64_t max_quantum, gr_complex *dest)
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| 44 | {
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| 45 | return sptr(new rx_32fc_handler(max_samples, max_quantum, dest));
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| 46 | } |
| 47 | |
| 48 | // Invoked by USRP2 API when samples are available
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| 49 | bool operator()(const uint32_t *items, size_t nitems, const usrp2::rx_metadata *metadata) |
| 50 | {
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| 51 | // Copy/reformat/endian swap USRP2 data to destination buffer
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| 52 | usrp2::copy_u2_16sc_to_host_32fc(nitems, items, d_dest); |
| 53 | d_dest += nitems; |
| 54 | |
| 55 | // FIXME: do something with metadata
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| 56 | |
| 57 | // Call parent to determine if there is room to be called again
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| 58 | return rx_nop_handler::operator()(items, nitems, metadata);
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| 59 | } |
| 60 | |
| 61 | ~rx_32fc_handler(); |
| 62 | }; |
| 63 | |
| 64 | #endif /* INCLUDED_RX_32FC_HANDLER_H */ |