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-rw-r--r--src/common/includes/Audio/tone.h53
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diff --git a/src/common/includes/Audio/tone.h b/src/common/includes/Audio/tone.h
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--- a/src/common/includes/Audio/tone.h
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-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Matthias P. Braendli, Maximilien Cuony
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
-*/
-
-#ifndef __TONE_H_
-#define __TONE_H_
-
-#include <stdio.h>
-#include "Audio/audio_in.h"
-
-#define TONE_BUFFER_LEN AUDIO_IN_BUF_LEN
-
-void tone_init(void);
-
-void tone_detector_enable(int enable);
-
-/* Return 1 when 1750 detected, 0 otherwise */
-int tone_1750_status(void);
-
-/* Return 1 if 1750 is currently detected, and has been already for at
- * least 5s */
-int tone_1750_for_5_seconds(void);
-
-/* The FAX status is 1 if the recently decoded DTMF is the 0-7-* sequence. */
-int tone_fax_status(void);
-
-/* Must be called by task to do the analysis */
-void tone_do_analysis(void);
-
-/* Push a sample from the ADC ISR or Pulseaudio task */
-void tone_detect_push_sample(const uint16_t sample, int is_irq);
-
-#endif