speaker.h

[詳解]

// SPDX-License-Identifier: MIT
/*
 * API for the hub built-in speaker.
 *
 * Copyright (c) 2023 Embedded and Real-Time Systems Laboratory,
 *                    Graduate School of Information Science, Nagoya Univ., JAPAN
 */
 
#ifndef _HUB_SPEAKER_H_
#define _HUB_SPEAKER_H_
 
#define SOUND_MANUAL_STOP (-1)
#define NOTE_C4           ( 261.63)
#define NOTE_CS4          ( 277.18)
#define NOTE_D4           ( 293.66)
#define NOTE_DS4          ( 311.13)
#define NOTE_E4           ( 329.63)
#define NOTE_F4           ( 349.23)
#define NOTE_FS4          ( 369.99)
#define NOTE_G4           ( 392.00)
#define NOTE_GS4          ( 415.30)
#define NOTE_A4           ( 440.00)
#define NOTE_AS4          ( 466.16)
#define NOTE_B4           ( 493.88)
#define NOTE_C5           ( 523.25)
#define NOTE_CS5          ( 554.37)
#define NOTE_D5           ( 587.33)
#define NOTE_DS5          ( 622.25)
#define NOTE_E5           ( 659.25)
#define NOTE_F5           ( 698.46)
#define NOTE_FS5          ( 739.99)
#define NOTE_G5           ( 783.99)
#define NOTE_GS5          ( 830.61)
#define NOTE_A5           ( 880.00)
#define NOTE_AS5          ( 932.33)
#define NOTE_B5           ( 987.77)
#define NOTE_C6           (1046.50)
#define NOTE_CS6          (1108.73)
#define NOTE_D6           (1174.66)
#define NOTE_DS6          (1244.51)
#define NOTE_E6           (1318.51)
#define NOTE_F6           (1396.91)
#define NOTE_FS6          (1479.98)
#define NOTE_G6           (1567.98)
#define NOTE_GS6          (1661.22)
#define NOTE_A6           (1760.00)
#define NOTE_AS6          (1864.66)
#define NOTE_B6           (1975.53)
 
void hub_speaker_set_volume(uint8_t volume);
 
void hub_speaker_play_tone(uint16_t frequency, int32_t duration);
 
void hub_speaker_stop(void);
 
#endif // _HUB_SPEAKER_H_