172 lines
3.3 KiB
C
172 lines
3.3 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 mil 1000000
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typedef struct{
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double noteFrequency;
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double noteDuration;
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} Note;
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void piezo_init();
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int play_note(Note noteToPlay);
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// void play_note(double playFrequency, double playDuration);
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void play_song(Note *song);
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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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// Ending "termination" value indicating end of a song
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#define T 5000.00
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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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