kopia lustrzana https://github.com/OpenRTX/OpenRTX
72 wiersze
2.2 KiB
C
72 wiersze
2.2 KiB
C
/***************************************************************************
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* Copyright (C) 2024 - 2025 by 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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#ifndef Cx000_DAC_H
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#define Cx000_DAC_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "interfaces/audio.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Driver to use the HR_Cx000 internal DAC as audio output stream device.
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* Input data format is signed 16-bit and only a single instance of this driver
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* is allowed.
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*/
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extern const struct audioDriver Cx000_dac_audio_driver;
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/**
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* Start generation of a "beep" tone from DAC output.
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*
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* @param freq: tone frequency in Hz.
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* @return zero on success, a negative error code otherwise.
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*/
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int Cx000dac_startBeep(const uint16_t freq);
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/**
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* Stop an ongoing "beep" tone.
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*/
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void Cx000dac_stopBeep();
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#ifdef __cplusplus
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} // extern "C"
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/**
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* Initialize the driver.
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*/
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void Cx000dac_init(HR_C6000 *device);
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/**
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* Shutdown the driver.
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*/
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void Cx000dac_terminate();
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/**
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* Driver task function, to be called at least once every 4ms to ensure a
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* proper operation.
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*/
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void Cx000dac_task();
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#endif
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#endif /* Cx000_DAC_H */
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