modulator.c File Reference

#include <string.h>
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include "fsl_soundcard.h"
#include "fsl_sai_driver.h"
#include "fsl_sai_features.h"
#include "fsl_sgtl5000_driver.h"
#include "modulator.h"
#include "terminal_menu.h"
#include "arm_math.h"

Functions
void	modulator_init (void)
snd_status_t	get_wav_data (wave_file_t *waveFile)
snd_status_t	play_wav (uint32_t *pcmBuffer, uint8_t divider)
static void	send_wav (uint8_t *dataBuffer, uint32_t length, sai_data_format_t *dataFormat)
snd_status_t	play_mod_wav (uint16_t *pcmBuffer, uint16_t *modPointer, float32_t *fftData, float32_t *fftResult, uint8_t divider, uint8_t modulation, uint32_t srcSizeBytes, uint32_t sampleSize)
float32_t	get_wav_Hz (uint16_t *pcmBuffer, float32_t *fftData, float32_t *fftResult, uint32_t sampleSize)
uint32_t	mod_wav_data (uint16_t *pcmBuffer, uint16_t *modBuffer, float32_t *fftData, float32_t *fftResult, uint16_t startIndex, uint32_t sampleSize, uint8_t modType)
void	play_wav_arpeggio (uint32_t *arpeggioBuffer, uint32_t length, uint8_t divider)

Variables
sound_card_t	g_soundCard
static sai_data_format_t *	format
static sai_user_config_t	tx_config
bool	firstCopy

Function Documentation

snd_status_t get_wav_data

(

wave_file_t *

waveFile

)

float32_t get_wav_Hz	(	uint16_t *	pcmBuffer,
		float32_t *	fftData,
		float32_t *	fftResult,
		uint32_t	sampleSize
	)

uint32_t mod_wav_data	(	uint16_t *	pcmBuffer,
		uint16_t *	modBuffer,
		float32_t *	fftData,
		float32_t *	fftResult,
		uint16_t	startIndex,
		uint32_t	sampleSize,
		uint8_t	modType
	)

void modulator_init

(

void

)

snd_status_t play_mod_wav	(	uint16_t *	pcmBuffer,
		uint16_t *	modPointer,
		float32_t *	fftData,
		float32_t *	fftResult,
		uint8_t	divider,
		uint8_t	modulation,
		uint32_t	srcSizeBytes,
		uint32_t	sampleSize
	)

snd_status_t play_wav	(	uint32_t *	pcmBuffer,
		uint8_t	divider
	)

void play_wav_arpeggio	(	uint32_t *	arpeggioBuffer,
		uint32_t	length,
		uint8_t	divider
	)

static void send_wav ( uint8_t *  dataBuffer, uint32_t  length, sai_data_format_t *  dataFormat  )

static

Variable Documentation

bool firstCopy

sai_data_format_t* format

static

sound_card_t g_soundCard

sai_user_config_t tx_config

static