synth.cpp File Reference

#include <stdio.h>
#include <math.h>
#include "synth.h"

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Macros
#define	GOAL   (0.95 * (1 << 28))
#define	BIGGER   (1.5819767 * (1 << 28))
#define	RARE   500
#define	NOT_TOO_SMALL(x)   MAX(x, 0.01)
#define	KEYDOWN_HYSTERESIS   10

Functions
void	use_read_key (uint8_t(*rk)(uint32_t))
void	use_synth (uint8_t i)
ISynth *	get_synth (void)
void	use_synth_array (ISynth **s, uint8_t _num_synths)
float	small_random ()
uint8_t	play_tune (uint32_t *tune, uint32_t msecs)
void	assertion (int cond, const char *strcond, const char *file, const int line)

Variables
ISynth **	_synth_ary = NULL
ISynth *	_synth = NULL
uint8_t	num_synths = 0
uint8_t(*	_read_key )(uint32_t) = NULL
static int	tune_pointer = 0

Macro Definition Documentation

#define BIGGER   (1.5819767 * (1 << 28))

Definition at line 11 of file synth.cpp.

Referenced by ADSR::rare_step().

#define GOAL   (0.95 * (1 << 28))

Definition at line 8 of file synth.cpp.

Referenced by ADSR::rare_step(), and ADSR::setS().

#define KEYDOWN_HYSTERESIS   10

Definition at line 17 of file synth.cpp.

Referenced by Key::check().

#define NOT_TOO_SMALL

(

x

)

MAX(x, 0.01)

Definition at line 15 of file synth.cpp.

Referenced by ADSR::setA(), ADSR::setD(), and ADSR::setR().

#define RARE   500

Definition at line 13 of file synth.cpp.

Referenced by ADSR::rare_step(), and ADSR::step().

Function Documentation

void assertion	(	int	cond,
		const char *	strcond,
		const char *	file,
		const int	line
	)

Definition at line 86 of file synth.cpp.

ISynth* get_synth

(

void

)

Definition at line 34 of file synth.cpp.

Referenced by loop(), play_tune(), and timer_interrupt().

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uint8_t play_tune	(	uint32_t *	tune,
		uint32_t	msecs
	)

Definition at line 51 of file synth.cpp.

Referenced by loop(), and main().

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float small_random

(

)

Definition at line 45 of file synth.cpp.

Referenced by NoisyVoice::setfreq().

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void use_read_key

(

uint8_t(*)(uint32_t)

rk

)

Definition at line 24 of file synth.cpp.

void use_synth

(

uint8_t

i

)

Definition at line 29 of file synth.cpp.

Referenced by FunctionKey::keydown(), main(), play_tune(), and setup().

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void use_synth_array	(	ISynth **	s,
		uint8_t	_num_synths
	)

Definition at line 39 of file synth.cpp.

Referenced by main(), and setup().

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Variable Documentation

uint8_t(* _read_key)(uint32_t) = NULL

Definition at line 22 of file synth.cpp.

Referenced by Key::check(), and use_read_key().

ISynth* _synth = NULL

Definition at line 20 of file synth.cpp.

Referenced by get_synth().

ISynth** _synth_ary = NULL

Definition at line 19 of file synth.cpp.

uint8_t num_synths = 0

Definition at line 21 of file synth.cpp.

Referenced by use_synth(), and use_synth_array().

int tune_pointer = 0

static

Definition at line 49 of file synth.cpp.