Audio_Spectrum_Analyzer.ino File Reference

Go to the source code of this file.

Functions
static int8_t	restore_calibration ()
	Read stored calibration parameters from nonvolatile EEPROM on demo board. More...
static void	store_calibration ()
	Store measured calibration parameters to nonvolatile EEPROM on demo board. More...
static uint8_t	calibrate_voltage ()
	Calibrate ADC given two known inputs. More...
static void	setup ()
static void	loop ()
static void	display_menu ()
static void	settings ()
static void	analyze ()
static void	display_graph (float data)
static void	test ()

Variables
static float	start
static float	stop
static float	step
const uint16_t	MISO_TIMEOUT = 1000
	The MISO timeout (ms) More...
static float	LTC2484_lsb = 9.3132258E-9
	Ideal LSB size, 5V/(2^29) for a 5V reference. More...
static int32_t	LTC2484_offset_code = 0
	Ideal offset. More...

Function Documentation

analyze()

static void analyze ( )

static

Definition at line 90 of file Audio_Spectrum_Analyzer.ino.

calibrate_voltage()

static uint8_t calibrate_voltage ( )

static

Calibrate ADC given two known inputs.

Returns

0 if successful, 1 if failure

Definition at line 277 of file Audio_Spectrum_Analyzer.ino.

display_graph()

static void display_graph ( float  data )

static

Definition at line 188 of file Audio_Spectrum_Analyzer.ino.

display_menu()

static void display_menu ( )

static

Definition at line 63 of file Audio_Spectrum_Analyzer.ino.

loop()

static void loop ( void  )

static

Definition at line 34 of file Audio_Spectrum_Analyzer.ino.

restore_calibration()

static int8_t restore_calibration ( )

static

Read stored calibration parameters from nonvolatile EEPROM on demo board.

Returns

0 if successful, 1 if failure

Definition at line 254 of file Audio_Spectrum_Analyzer.ino.

settings()

static void settings ( )

static

Definition at line 75 of file Audio_Spectrum_Analyzer.ino.

setup()

static void setup ( void  )

static

Definition at line 26 of file Audio_Spectrum_Analyzer.ino.

store_calibration()

static void store_calibration ( )

static

Store measured calibration parameters to nonvolatile EEPROM on demo board.

Definition at line 330 of file Audio_Spectrum_Analyzer.ino.

test()

static void test ( )

static

Definition at line 205 of file Audio_Spectrum_Analyzer.ino.

Variable Documentation

LTC2484_lsb

float LTC2484_lsb = 9.3132258E-9

static

Ideal LSB size, 5V/(2^29) for a 5V reference.

Definition at line 23 of file Audio_Spectrum_Analyzer.ino.

LTC2484_offset_code

int32_t LTC2484_offset_code = 0

static

Ideal offset.

Definition at line 24 of file Audio_Spectrum_Analyzer.ino.

MISO_TIMEOUT

const uint16_t MISO_TIMEOUT = 1000

The MISO timeout (ms)

Definition at line 20 of file Audio_Spectrum_Analyzer.ino.

start

float start

static

Definition at line 19 of file Audio_Spectrum_Analyzer.ino.

step

float step

static

Definition at line 19 of file Audio_Spectrum_Analyzer.ino.

stop

float stop

static

Definition at line 19 of file Audio_Spectrum_Analyzer.ino.