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173 lines
3.4 KiB
C
173 lines
3.4 KiB
C
/*
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* Sound.h
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*
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* Created on: Oct 1, 2024
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* Author: DashyFox
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*/
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#ifndef INC_SOUND_H_
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#define INC_SOUND_H_
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#include <stdint.h>
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// Define default timer and channels
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#define SOUND_TIMER TIM4
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#define SOUND_TIMER_RCC RCC_APB1ENR_TIM4EN
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extern uint32_t bpm;
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// Define the Note structure
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typedef struct {
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uint32_t frequency; // Frequency in Hz
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uint32_t duration; // Duration in milliseconds, 0 means infinite
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uint8_t duty_cycle; // PWM duty cycle in percentage (0-100)
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} Note_t;
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// Enum for musical notes
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typedef enum {
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C0 = 16,
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C0_sharp = 17,
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D0 = 18,
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D0_sharp = 19,
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E0 = 21,
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F0 = 22,
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F0_sharp = 23,
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G0 = 25,
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G0_sharp = 26,
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A0 = 28,
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A0_sharp = 29,
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B0 = 31,
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C1 = 33,
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C1_sharp = 35,
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D1 = 37,
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D1_sharp = 39,
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E1 = 41,
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F1 = 44,
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F1_sharp = 46,
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G1 = 49,
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G1_sharp = 52,
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A1 = 55,
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A1_sharp = 58,
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B1 = 62,
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C2 = 65,
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C2_sharp = 69,
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D2 = 73,
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D2_sharp = 78,
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E2 = 82,
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F2 = 87,
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F2_sharp = 92,
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G2 = 98,
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G2_sharp = 104,
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A2 = 110,
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A2_sharp = 117,
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B2 = 123,
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C3 = 130,
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C3_sharp = 138,
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D3 = 146,
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D3_sharp = 155,
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E3 = 164,
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F3 = 174,
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F3_sharp = 185,
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G3 = 196,
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G3_sharp = 207,
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A3 = 220,
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A3_sharp = 233,
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B3 = 246,
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C4 = 261,
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C4_sharp = 277,
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D4 = 293,
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D4_sharp = 311,
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E4 = 329,
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F4 = 349,
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F4_sharp = 369,
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G4 = 392,
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G4_sharp = 415,
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A4 = 440,
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A4_sharp = 466,
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B4 = 493,
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C5 = 523,
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C5_sharp = 554,
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D5 = 587,
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D5_sharp = 622,
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E5 = 659,
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F5 = 698,
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F5_sharp = 740,
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G5 = 784,
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G5_sharp = 830,
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A5 = 880,
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A5_sharp = 932,
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B5 = 987,
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C6 = 1046,
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C6_sharp = 1108,
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D6 = 1174,
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D6_sharp = 1244,
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E6 = 1318,
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F6 = 1396,
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F6_sharp = 1480,
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G6 = 1568,
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G6_sharp = 1661,
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A6 = 1760,
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A6_sharp = 1864,
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B6 = 1975,
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C7 = 2093,
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C7_sharp = 2217,
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D7 = 2349,
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D7_sharp = 2489,
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E7 = 2637,
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F7 = 2793,
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F7_sharp = 2960,
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G7 = 3136,
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G7_sharp = 3322,
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A7 = 3520,
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A7_sharp = 3729,
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B7 = 3951,
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C8 = 4186,
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C8_sharp = 4435,
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D8 = 4699,
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D8_sharp = 4978
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} MusicalNote_t;
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// Enum for note durations (in fractions of a whole note)
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typedef enum {
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T0 = 0, // Infinite
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T1 = 1, // Whole note
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T2 = 2, // Half note
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T4 = 4, // Quarter note
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T8 = 8, // Eighth note
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T16 = 16 // Sixteenth note
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} NoteDuration_t;
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// Structure for melody playback
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typedef struct {
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Note_t* notes; // Pointer to an array of notes
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uint32_t size; // Number of notes in the melody
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uint32_t current_note; // Index of the current note
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uint32_t repeat_count; // Total repeat count
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uint32_t repeat_left; // Repeats left
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} Melody_t;
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// Function declarations
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void sound_init(void);
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void sound_set_bpm(uint32_t bpm);
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void sound_play_note(Note_t note, uint8_t channel);
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void sound_play_melody(Note_t* melody, uint32_t size, uint8_t channel, uint32_t repeat_count);
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void sound_play_melody(Note_t* melody, uint32_t size, uint8_t channel, uint32_t repeat_count);
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void sound_tick(void);
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uint16_t get_array_size(Note_t *array);
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Note_t sound_create_note(MusicalNote_t note, NoteDuration_t duration, uint8_t duty_cycle);
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#define CREATE_NOTE(note, dur, duty) \
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((Note_t){ .frequency = note, .duration = dur, .duty_cycle = duty })
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#endif /* INC_SOUND_H_ */
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