EIE4-FYP/demo/audio

#include <generated/csr.h>
#include <stdint.h>

#pragma once

#ifdef CSR_AUDIO_BASE
// Function Definition

void reset_audio(void);

void set_wave(uint32_t osc, uint32_t wave);

void set_freq(uint32_t osc, uint32_t freq);

void audio(uint32_t osc, uint32_t wave, uint32_t freq);

void timed_freq(uint32_t osc, uint32_t freq, unsigned int duration_ms);

// Waves

enum wave_t : uint32_t {
	WAVE_SAWTOOTH,
	WAVE_SQUARE,
	WAVE_TRIANGLE,
	WAVE_SINE
};

// Notes

enum note_t : uint32_t {
	NONE = 0,
	C0 = 16,
	C0S = 17,
	D0 = 18,
	D0S = 19,
	E0 = 21,
	F0 = 22,
	F0S = 23,
	G0 = 25,
	G0S = 26,
	A0 = 28,
	A0S = 29,
	B0 = 31,
	C1 = 33,
	C1S = 35,
	D1 = 37,
	D1S = 39,
	E1 = 41,
	F1 = 44,
	F1S = 46,
	G1 = 49,
	G1S = 52,
	A1 = 55,
	A1S = 58,
	B1 = 62,
	C2 = 65,
	C2S = 69,
	D2 = 73,
	D2S = 78,
	E2 = 82,
	F2 = 87,
	F2S = 93,
	G2 = 98,
	G2S = 104,
	A2 = 110,
	A2S = 117,
	B2 = 123,
	C3 = 131,
	C3S = 139,
	D3 = 147,
	D3S = 156,
	E3 = 165,
	F3 = 175,
	F3S = 185,
	G3 = 196,
	G3S = 208,
	A3 = 220,
	A3S = 233,
	B3 = 247,
	C4 = 262,
	C4S = 277,
	D4 = 294,
	D4S = 311,
	E4 = 330,
	F4 = 349,
	F4S = 370,
	G4 = 392,
	G4S = 415,
	A4 = 440,
	A4S = 466,
	B4 = 494,
	C5 = 523,
	C5S = 554,
	D5 = 587,
	D5S = 622,
	E5 = 659,
	F5 = 698,
	F5S = 740,
	G5 = 784,
	G5S = 831,
	A5 = 880,
	A5S = 932,
	B5 = 988,
	C6 = 1047,
	C6S = 1109,
	D6 = 1175,
	D6S = 1245,
	E6 = 1319,
	F6 = 1397,
	F6S = 1480,
	G6 = 1568,
	G6S = 1661,
	A6 = 1760,
	A6S = 1865,
	B6 = 1976,
	C7 = 2093,
	C7S = 2217,
	D7 = 2349,
	D7S = 2489,
	E7 = 2637,
	F7 = 2794,
	F7S = 2960,
	G7 = 3136,
	G7S = 3322,
	A7 = 3520,
	A7S = 3729,
	B7 = 3951,
	C8 = 4186,
	C8S = 4436,
	D8 = 4699,
	D8S = 4978,
	E8 = 5274,
	F8 = 5588,
	F8S = 5920,
	G8 = 6272,
	G8S = 6645,
	A8 = 7040,
	A8S = 7459,
	B8 = 7902,
};
#endif