dsp_process.h File Reference

#include "dsp.h"

Data Structures
struct	signal_source

Macros
#define	NUM_FILTERS   3

Functions
void	dsp_process_init (int cpu_hz, int hsb_hz, int pba_hz, int pbb_hz)
void	dsp_process_task (void)
const char *	filter_active_get_description ()
const char *	filter_get_description (unsigned int num)
void	filter_restore_default ()
void	filter_set_active (unsigned int num)
dsp16_t	output_get_volume ()
void	output_set_default_vol ()
void	output_set_volume (dsp16_t volume)
unsigned int	signal_source_get_freq (struct signal_source *source)
dsp16_t	signal_source_get_volume (struct signal_source *source)
void	signal_source_init (struct signal_source *source, unsigned int frequency, dsp16_t volume)
void	signal_source_restore_defaults (struct signal_source *source)
void	signal_source_set_freq (struct signal_source *source, unsigned int frequency)
void	signal_source_set_volume (struct signal_source *source, dsp16_t volume)

Variables
struct signal_source	signal1_generator
struct signal_source	signal2_generator

#define NUM_FILTERS   3

Referenced by filter_get_description(), and filter_set_active().

void dsp_process_init	(	int	cpu_hz,
		int	hsb_hz,
		int	pba_hz,
		int	pbb_hz
	)

References audio_callback(), AUDIO_DAC_RELOAD_CB, BUFFER_LENGTH, current_stereo_out_buf, DAC_BITS_PER_SAMPLE, DAC_NUM_CHANNELS, dac_reload_callback(), DAC_SAMPLING_RATE, DAC_SWAP_CHANNELS, dsp16_gen_step(), DSP16_Q, dsp16_win_hamm(), fft_window, filter_restore_default(), FIR_NUM_COEF, FOSC0, signal1_generator, signal2_generator, signal_in_buf, signal_pre_filter_buf, signal_source_init(), stereo_out_buf1, tpa6130_dac_start(), tpa6130_get_volume(), tpa6130_init(), and tpa6130_set_volume().

Referenced by main().

void dsp_process_task

(

void

)

References dsp_calculate_fft(), signal_in_buf, signal_in_fft, signal_out_buf, and signal_out_fft.

Referenced by main().

const char* filter_active_get_description

(

)

References active_filter, and filter_get_description().

Referenced by main(), state_machine_filter(), and state_machine_task().

const char* filter_get_description

(

unsigned int

num

)

References filter_description, num, and NUM_FILTERS.

Referenced by filter_active_get_description().

void filter_restore_default

(

)

References active_filter.

Referenced by dsp_process_init().

void filter_set_active

(

unsigned int

num

)

References active_filter, num, and NUM_FILTERS.

Referenced by state_machine_filter().

dsp16_t output_get_volume

(

)

void output_set_default_vol

(

)

void output_set_volume

(

dsp16_t

volume

)

unsigned int signal_source_get_freq

(

struct signal_source *

source

)

References signal_source::frequency.

Referenced by state_machine_source().

dsp16_t signal_source_get_volume

(

struct signal_source *

source

)

References signal_source::volume.

Referenced by state_machine_source().

void signal_source_init	(	struct signal_source *	source,
		unsigned int	frequency,
		dsp16_t	volume
	)

References signal_source::default_freq, signal_source::default_volume, signal_source::frequency, signal_source_restore_defaults(), and volume.

Referenced by dsp_process_init().

void signal_source_restore_defaults

(

struct signal_source *

source

)

References signal_source::default_freq, signal_source::default_volume, signal_source::frequency, and signal_source::volume.

Referenced by signal_source_init().

void signal_source_set_freq	(	struct signal_source *	source,
		unsigned int	frequency
	)

References signal_source::frequency.

Referenced by state_machine_source().

void signal_source_set_volume	(	struct signal_source *	source,
		dsp16_t	volume
	)

References signal_source::volume, and volume.

Referenced by state_machine_source().

struct signal_source signal1_generator

Referenced by dsp_process_init(), and state_machine_source().

struct signal_source signal2_generator

Referenced by dsp_process_init(), and state_machine_source().