274 lines
5.3 KiB
C
274 lines
5.3 KiB
C
/**
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* @file piezoSpeaker.h
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* @author Trevor Barnes
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* @brief
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* @version 0.1
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* @date 2022-01-19
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#ifndef PIEZOSPEAKER_H_
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#define PIEZOSPEAKER_H_
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// RCC
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#define RCC_AHB1ENR (volatile uint32_t*) 0x40023830
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#define RCC_APB1ENR (volatile uint32_t*) 0x40023840
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// GPIOB
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#define GPIOB_MODER (volatile uint32_t*) 0x40020400
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#define GPIOBEN 1
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#define GPIOB_AFRL (volatile uint32_t*) 0x40020420
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#define AFRL_TIM3_CH1_EN 17
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// Timer 3
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#define TIM3_EN 1
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#define TIM3_CCMR1 (volatile uint32_t*) 0x40000418
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#define OC1PE 3
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#define OC1M_PWM2 0b1110000
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#define TIM3_CCER (volatile uint32_t*) 0x40000420
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#define CCER_CC1E 1
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#define TIM3_EGR (volatile uint32_t*) 0x40000414
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#define EGR_UG 1
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#define TIM3_PSC (volatile uint32_t*) 0x40000428
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#define TIM3_ARR (volatile uint32_t*) 0x4000042C
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#define TIM3_CCR1 (volatile uint32_t*) 0x40000434
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#define TIM3_CR1 (volatile uint32_t*) 0x40000400
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#define CR_ARPE_EN 7
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#define CR_CEN 1
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#define PB4_AF_V 0b10
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#define PB4_AF_P 9
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#define pitchDivisor 1000000
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typedef struct{
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unsigned int noteFrequency;
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unsigned int noteDuration;
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} Note;
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void piezo_init();
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void play_note(Note noteToPlay);
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// void play_note(double playFrequency, double playDuration);
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void play_song(Note *songToPlay);
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// Note Frequency Symbols
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// Rest technically = 0
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//#define r 0
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//#define C0 16.35
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//#define Db0 17.32
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//#define D0 18.35
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//#define Eb0 19.45
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//#define E0 20.60
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//#define F0 21.83
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//#define Gb0 23.12
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//#define G0 24.50
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//#define Ab0 25.96
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//#define A0 27.50
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//#define Bb0 29.14
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//#define B0 30.87
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//#define C1 32.70
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//#define Db1 34.65
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//#define D1 36.71
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//#define Eb1 38.89
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//#define E1 41.20
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//#define F1 43.65
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//#define Gb1 46.25
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//#define G1 49.00
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//#define Ab1 51.91
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//#define A1 55.00
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//#define Bb1 58.27
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//#define B1 61.74
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//#define C2 65.41
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//#define Db2 69.30
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//#define D2 73.42
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//#define Eb2 77.78
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//#define E2 82.41
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//#define F2 87.31
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//#define Gb2 92.50
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//#define G2 98.00
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//#define Ab2 103.83
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//#define A2 110.00
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//#define Bb2 116.54
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//#define B2 123.47
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//#define C3 130.81
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//#define Db3 138.59
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//#define D3 146.83
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//#define Eb3 155.56
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//#define E3 164.81
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//#define F3 174.61
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//#define Gb3 185.00
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//#define G3 196.00
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//#define Ab3 207.65
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//#define A3 220.00
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//#define Bb3 233.08
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//#define B3 246.94
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//#define C4 261.63
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//#define Db4 277.18
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//#define D4 293.66
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//#define Eb4 311.13
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//#define E4 329.63
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//#define F4 349.23
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//#define Gb4 369.99
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//#define G4 392.00
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//#define Ab4 415.30
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//#define A4 440.00
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//#define Bb4 466.16
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//#define B4 493.88
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//#define C5 523.25
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//#define Db5 554.37
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//#define D5 587.33
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//#define Eb5 622.25
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//#define E5 659.26
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//#define F5 698.46
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//#define Gb5 739.99
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//#define G5 783.99
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//#define Ab5 830.61
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//#define A5 880.00
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//#define Bb5 932.33
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//#define B5 987.77
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//#define C6 1046.50
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//#define Db6 1108.73
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//#define D6 1174.66
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//#define Eb6 1244.51
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//#define E6 1318.51
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//#define F6 1396.91
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//#define Gb6 1479.98
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//#define G6 1567.98
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//#define Ab6 1661.22
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//#define A6 1760.00
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//#define Bb6 1864.66
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//#define B6 1975.53
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//#define C7 2093.00
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//#define Db7 2217.46
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//#define D7 2349.32
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//#define Eb7 2489.02
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//#define E7 2637.02
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//#define F7 2793.83
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//#define Gb7 2959.96
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//#define G7 3135.96
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//#define Ab7 3322.44
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//#define A7 3520.01
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//#define Bb7 3729.31
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//#define B7 3951.07
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//#define C8 4186.01
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//#define Db8 4434.92
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//#define D8 4698.64
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//#define Eb8 4978.03
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#define r 0
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#define C0 1635
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#define Db0 1732
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#define D0 1835
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#define Eb0 1945
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#define E0 2060
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#define F0 2183
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#define Gb0 2312
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#define G0 2450
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#define Ab0 2596
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#define A0 2750
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#define Bb0 2914
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#define B0 3087
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#define C1 3270
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#define Db1 3465
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#define D1 3671
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#define Eb1 3889
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#define E1 4120
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#define F1 4365
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#define Gb1 4625
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#define G1 4900
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#define Ab1 5191
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#define A1 5500
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#define Bb1 5827
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#define B1 6174
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#define C2 6541
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#define Db2 6930
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#define D2 7342
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#define Eb2 7778
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#define E2 8241
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#define F2 8731
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#define Gb2 9250
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#define G2 9800
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#define Ab2 10383
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#define A2 11000
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#define Bb2 11654
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#define B2 12347
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#define C3 13081
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#define Db3 13859
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#define D3 14683
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#define Eb3 15556
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#define E3 16481
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#define F3 17461
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#define Gb3 18500
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#define G3 19600
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#define Ab3 20765
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#define A3 22000
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#define Bb3 23308
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#define B3 24694
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#define C4 26163
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#define Db4 27718
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#define D4 29366
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#define Eb4 31113
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#define E4 32963
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#define F4 34923
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#define Gb4 36999
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#define G4 39200
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#define Ab4 41530
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#define A4 44000
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#define Bb4 46616
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#define B4 49388
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#define C5 52325
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#define Db5 55437
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#define D5 58733
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#define Eb5 62225
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#define E5 65926
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#define F5 69846
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#define Gb5 73999
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#define G5 78399
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#define Ab5 83061
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#define A5 88000
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#define Bb5 93233
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#define B5 98777
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#define C6 104650
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#define Db6 110873
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#define D6 117466
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#define Eb6 124451
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#define E6 131851
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#define F6 139691
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#define Gb6 147998
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#define G6 156798
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#define Ab6 166122
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#define A6 176000
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#define Bb6 186466
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#define B6 197553
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#define C7 209300
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#define Db7 221746
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#define D7 234932
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#define Eb7 248902
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#define E7 263702
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#define F7 279383
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#define Gb7 295996
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#define G7 313596
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#define Ab7 332244
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#define A7 352001
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#define Bb7 372931
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#define B7 395107
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#define C8 418601
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#define Db8 443492
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#define D8 469864
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#define Eb8 497803
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// Ending "termination" value indicating end of a song
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#define T 5000
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// Tempo value set at 120 beats per min
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#define BPM 120
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#define H 2*Q
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#define Q 60000/BPM
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#define E Q/2
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#define S Q/4
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#define W 4*Q
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#endif
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