kopia lustrzana https://github.com/OpenRTX/OpenRTX
92 wiersze
3.2 KiB
C
92 wiersze
3.2 KiB
C
/***************************************************************************
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* Copyright (C) 2023 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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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; either version 3 of the License, or *
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* (at your option) any later version. *
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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 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 <interfaces/audio.h>
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const struct audioDevice outputDevices[] =
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{
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{NULL, 0, 0, SINK_MCU},
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{NULL, 0, 0, SINK_RTX},
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{NULL, 0, 0, SINK_SPK},
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};
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const struct audioDevice inputDevices[] =
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{
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{NULL, 0, 0, SINK_MCU},
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{NULL, 0, 0, SINK_RTX},
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{NULL, 0, 0, SINK_SPK},
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};
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void audio_init()
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{
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}
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void audio_terminate()
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{
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}
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void audio_connect(const enum AudioSource source, const enum AudioSink sink)
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{
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/*
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* Squelch implementation:
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* when an audio path is created between SOURCE_RTX and SINK_SPK, unmute
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* speaker power amplifier to hear analog fm audio.
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*/
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if (source == SOURCE_RTX && sink == SINK_SPK)
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sa8x8_setAudio(true);
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}
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void audio_disconnect(const enum AudioSource source, const enum AudioSink sink)
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{
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/*
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* Squelch implementation:
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* when an audio path is released between SOURCE_RTX and SINK_SPK, mute
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* speaker power amplifier to squelch noise.
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*/
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if (source == SOURCE_RTX && sink == SINK_SPK)
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sa8x8_setAudio(false);
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}
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bool audio_checkPathCompatibility(const enum AudioSource p1Source,
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const enum AudioSink p1Sink,
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const enum AudioSource p2Source,
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const enum AudioSink p2Sink)
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{
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static const uint8_t RTX_SPK = (SOURCE_RTX * 3) + SINK_SPK;
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static const uint8_t MIC_RTX = (SOURCE_MIC * 3) + SINK_RTX;
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uint8_t p1 = (p1Source * 3) + p1Sink;
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uint8_t p2 = (p2Source * 3) + p2Sink;
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// RTX-SPK and MIC-RTX are compatible
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if((p1 == RTX_SPK) && (p2 == MIC_RTX))
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return true;
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// Same as above but with the paths swapped
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if((p1 == MIC_RTX) && (p2 == RTX_SPK))
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return true;
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// Disallow all the other path combinations
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return false;
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}
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