172 lines
3.2 KiB
C
172 lines
3.2 KiB
C
/**
|
|
* @file piezoSpeaker.h
|
|
* @author Trevor Barnes
|
|
* @brief
|
|
* @version 0.1
|
|
* @date 2022-01-19
|
|
*
|
|
* @copyright Copyright (c) 2022
|
|
*
|
|
*/
|
|
|
|
#ifndef PIEZOSPEAKER_H_
|
|
#define PIEZOSPEAKER_H_
|
|
|
|
// RCC
|
|
#define RCC_AHB1ENR (volatile uint32_t*) 0x40023830
|
|
#define RCC_APB1ENR (volatile uint32_t*) 0x40023840
|
|
|
|
// GPIOB
|
|
#define GPIOB_MODER (volatile uint32_t*) 0x40020400
|
|
#define GPIOBEN 1
|
|
#define GPIOB_AFRL (volatile uint32_t*) 0x40020420
|
|
#define AFRL_TIM3_CH1_EN 17
|
|
|
|
// Timer 3
|
|
#define TIM3_EN 1
|
|
#define TIM3_CCMR1 (volatile uint32_t*) 0x40000418
|
|
#define OC1PE 3
|
|
#define OC1M_PWM2 0b1110000
|
|
#define TIM3_CCER (volatile uint32_t*) 0x40000420
|
|
#define CCER_CC1E 1
|
|
#define TIM3_EGR (volatile uint32_t*) 0x40000414
|
|
#define EGR_UG 1
|
|
#define TIM3_PSC (volatile uint32_t*) 0x40000428
|
|
#define TIM3_ARR (volatile uint32_t*) 0x4000042C
|
|
#define TIM3_CCR1 (volatile uint32_t*) 0x40000434
|
|
#define TIM3_CR1 (volatile uint32_t*) 0x40000400
|
|
#define CR_ARPE_EN 7
|
|
#define CR_CEN 1
|
|
|
|
#define PB4_AF_V 0b10
|
|
#define PB4_AF_P 9
|
|
|
|
#define mil 1000000
|
|
|
|
typedef struct{
|
|
double freq;
|
|
double duration;
|
|
} Note;
|
|
|
|
void piezo_init();
|
|
|
|
|
|
void play_note(double frequency, double duration);
|
|
|
|
void play_song(Note *song, int size);
|
|
|
|
// Note Frequency Symbols
|
|
// Rest technically = 0
|
|
#define r 0
|
|
#define C0 16.35
|
|
#define Db0 17.32
|
|
#define D0 18.35
|
|
#define Eb0 19.45
|
|
#define E0 20.60
|
|
#define F0 21.83
|
|
#define Gb0 23.12
|
|
#define G0 24.50
|
|
#define Ab0 25.96
|
|
#define A0 27.50
|
|
#define Bb0 29.14
|
|
#define B0 30.87
|
|
#define C1 32.70
|
|
#define Db1 34.65
|
|
#define D1 36.71
|
|
#define Eb1 38.89
|
|
#define E1 41.20
|
|
#define F1 43.65
|
|
#define Gb1 46.25
|
|
#define G1 49.00
|
|
#define Ab1 51.91
|
|
#define A1 55.00
|
|
#define Bb1 58.27
|
|
#define B1 61.74
|
|
#define C2 65.41
|
|
#define Db2 69.30
|
|
#define D2 73.42
|
|
#define Eb2 77.78
|
|
#define E2 82.41
|
|
#define F2 87.31
|
|
#define Gb2 92.50
|
|
#define G2 98.00
|
|
#define Ab2 103.83
|
|
#define A2 110.00
|
|
#define Bb2 116.54
|
|
#define B2 123.47
|
|
#define C3 130.81
|
|
#define Db3 138.59
|
|
#define D3 146.83
|
|
#define Eb3 155.56
|
|
#define E3 164.81
|
|
#define F3 174.61
|
|
#define Gb3 185.00
|
|
#define G3 196.00
|
|
#define Ab3 207.65
|
|
#define A3 220.00
|
|
#define Bb3 233.08
|
|
#define B3 246.94
|
|
#define C4 261.63
|
|
#define Db4 277.18
|
|
#define D4 293.66
|
|
#define Eb4 311.13
|
|
#define E4 329.63
|
|
#define F4 349.23
|
|
#define Gb4 369.99
|
|
#define G4 392.00
|
|
#define Ab4 415.30
|
|
#define A4 440.00
|
|
#define Bb4 466.16
|
|
#define B4 493.88
|
|
#define C5 523.25
|
|
#define Db5 554.37
|
|
#define D5 587.33
|
|
#define Eb5 622.25
|
|
#define E5 659.26
|
|
#define F5 698.46
|
|
#define Gb5 739.99
|
|
#define G5 783.99
|
|
#define Ab5 830.61
|
|
#define A5 880.00
|
|
#define Bb5 932.33
|
|
#define B5 987.77
|
|
#define C6 1046.50
|
|
#define Db6 1108.73
|
|
#define D6 1174.66
|
|
#define Eb6 1244.51
|
|
#define E6 1318.51
|
|
#define F6 1396.91
|
|
#define Gb6 1479.98
|
|
#define G6 1567.98
|
|
#define Ab6 1661.22
|
|
#define A6 1760.00
|
|
#define Bb6 1864.66
|
|
#define B6 1975.53
|
|
#define C7 2093.00
|
|
#define Db7 2217.46
|
|
#define D7 2349.32
|
|
#define Eb7 2489.02
|
|
#define E7 2637.02
|
|
#define F7 2793.83
|
|
#define Gb7 2959.96
|
|
#define G7 3135.96
|
|
#define Ab7 3322.44
|
|
#define A7 3520.01
|
|
#define Bb7 3729.31
|
|
#define B7 3951.07
|
|
#define C8 4186.01
|
|
#define Db8 4434.92
|
|
#define D8 4698.64
|
|
#define Eb8 4978.03
|
|
// Ending "termination" value indicating end of asong
|
|
#define T 5000.00
|
|
// Tempo value set at 240 beats per min
|
|
#define BPM 240
|
|
#define H 2*Q
|
|
#define Q 60000/BPM
|
|
#define E Q/2
|
|
#define S Q/4
|
|
#define W 4*Q
|
|
|
|
#endif
|