kopia lustrzana https://github.com/OpenRTX/OpenRTX
83 wiersze
2.6 KiB
C
83 wiersze
2.6 KiB
C
/***************************************************************************
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* Copyright (C) 2020 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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#ifndef TONE_GENERATOR_H
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#define TONE_GENERATOR_H
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#include <stdint.h>
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/**
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* Tone generator for MDxx380 family, used for both CTCSS tones and user
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* interface "beeps".
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* This driver uses TIM3 of STM32F405 mcu in PWM mode to generate sinewaves
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* using a precomputed sine table.
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*/
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/**
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* Initialise tone generator.
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*/
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void toneGen_init();
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/**
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* Terminate tone generator.
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*/
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void toneGen_shutdown();
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/**
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* Set frequency for CTCSS tone generation.
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* @param toneFreq: CTCSS tone frequency.
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*/
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void toneGen_setToneFreq(float toneFreq);
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/**
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* Activate generation of CTCSS tone.
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*/
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void toneGen_toneOn();
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/**
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* Terminate generation of CTCSS tone.
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*/
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void toneGen_toneOff();
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/**
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* Set frequency for user interface "beep".
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* @param beepFreq: frequency of "beep" tone.
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*/
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void toneGen_setBeepFreq(float beepFreq);
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/**
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* Activate generation of "beep" tone.
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*/
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void toneGen_beepOn();
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/**
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* Terminate generation of "beep" tone.
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*/
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void toneGen_beepOff();
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/**
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* Activate generation of "beep" tone with automatic termination after a given
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* amount of time.
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* @param duration: duration of "beep" tone, in milliseconds.
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*/
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void toneGen_timedBeep(uint16_t duration);
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#endif /* TONE_GENERATOR_H */
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