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https://github.com/f4exb/sdrangel.git
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43 lines
2.2 KiB
C
43 lines
2.2 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 Edouard Griffiths, F4EXB. //
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// //
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// SDRdaemon source channel (Tx). Samples buffer //
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// //
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// SDRdaemon is a detached SDR front end that handles the interface with a //
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// physical device and sends or receives the I/Q samples stream to or from a //
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// SDRangel instance via UDP. It is controlled via a Web REST API. //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <stdint.h>
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#include "dsp/dsptypes.h"
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class SDRDaemonChannelSourceBuffer
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{
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public:
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SDRDaemonChannelSourceBuffer(uint32_t nbSamples);
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~SDRDaemonChannelSourceBuffer();
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void resize(uint32_t nbSamples);
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void write(Sample *begin, uint32_t nbSamples);
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void readOne(Sample& sample);
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int getRWBalancePercent(); //!< positive write leads, negative read leads, balance = 0, percentage of buffer size
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private:
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Sample *m_buffer;
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uint32_t m_size;
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uint32_t m_rp;
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uint32_t m_wp;
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};
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