I want to connect arduino to matlab to display sin,square,and triangle wave so i need a code of serial communication between arduino and matlab

My arduino code is

#include <AD9833.h> // LIbrary for AD9833 Module

#include <Wire.h> // Wire Library for OLED

#include <Adafruit_GFX.h> // Support Library for OLED

#include <Adafruit_SSD1306.h> // OLED library

#include <math.h> // Math Library

#define SCREEN_WIDATA_PINH 128 // OLED display Width, in pixels

#define SCREEN_HEIGHT 64 // OLED display height, in pixels

#define SET_FREQUENCY_HZ A2 // Pushbutton To Set Frequency In Hz

#define SET_FREQUENCY_KHZ A3 // Pushbutton To Set Frequency In Khz

#define SET_FREQUENCY_MHZ A6 // Pushbutton To Set Frequency In Mhz

#define ENABLE_DISABLE_OUTPUT_PIN A7 // Pushbutton To Enable / Disable the Output

#define FNC_PIN 4 // Fsync Required by the AD9833 Module

#define CLK_PIN 8 // Clock Pin of the Encoder

#define DATA_PIN 7 // Data Pin of the Encoder

#define BTN_PIN 9 // Internal Push Button on the Encoder

int counter = 1; // This Counter value will increas or decreas if when the rotarty encoder is turned

int clockPin; // Placeholder por pin status used by the rotary encoder

int clockPinState; // Placeholder por pin status used by the rotary encoder

unsigned long time = 0; // Used for debouncing

unsigned long moduleFrequency; // used to set output frequency

long debounce = 220; // Debounce delay

bool btn_state; // used to enable disable output of the AD98333 Module

bool set_frequency_hz = 1; // Defult frequency of the AD9833 Module

bool set_frequency_khz;

bool set_frequency_mhz;

String waveSelect = "SIN"; // Startup waveform of the module

int encoder_btn_count = 0; // used to check encoder button press

Adafruit_SSD1306 display(SCREEN_WIDATA_PINH, SCREEN_HEIGHT, &Wire, -1);

AD9833 gen(FNC_PIN);

void setup() {

Serial.begin(9600);

gen.Begin(); // This MUST be the first command after declaring the AD9833 object

pinMode(CLK_PIN, INPUT);

pinMode(DATA_PIN, INPUT);

pinMode(BTN_PIN, INPUT_PULLUP);

clockPinState = digitalRead(CLK_PIN);

pinMode(SET_FREQUENCY_HZ, INPUT);

pinMode(SET_FREQUENCY_KHZ, INPUT);

pinMode(SET_FREQUENCY_MHZ, INPUT);

pinMode(ENABLE_DISABLE_OUTPUT_PIN, INPUT);

if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64

Serial.println(F("SSD1306 allocation failed"));

for (;;);

}

display.clearDisplay(); // Clear the Screen

display.setTextSize(2); // Set text Size

display.setTextColor(WHITE); // set LCD Colour

display.setCursor(30, 0); // Set Cursor Position

display.println("AD9833"); // Print the this Text

display.setCursor(17, 20); // Set Cursor Position

display.println("Function"); // Print the this Text

display.setCursor(13, 40); // Set Cursor Position

display.println("Generator"); // Print the this Text

display.display(); // Update the Display

delay(2000); // Delay of 2 SEC

update_display(); // Call update_display Function

}

void loop()

{

clockPin = digitalRead(CLK_PIN);

if (clockPin != clockPinState && clockPin == 1) {

if (digitalRead(DATA_PIN) != clockPin) {

counter --;

}

else {

counter ++;// Encoder is rotating CW so increment

}

if (counter < 1 ) counter = 1;

Serial.println(counter);

update_display();

}

clockPinState = clockPin; // Remember last CLK_PIN state

//If we detect LOW signal, button is pressed

if ( digitalRead(BTN_PIN) == LOW && millis() - time > debounce) {

encoder_btn_count++; // Increment the values

if (encoder_btn_count > 2) // if value is grater that 2 reset it to 0

{

encoder_btn_count = 0;

}

if (encoder_btn_count == 0) { // if the value is 0 sine wave is selected

waveSelect = "SIN"; // update the string variable with sin value

update_display(); // update the display

}

if (encoder_btn_count == 1) { // if the value is 1 square wave is selected

waveSelect = "SQR"; // update the string variable with SQR value

update_display(); // update the display

}

if (encoder_btn_count == 2) { // if the value is 1 Triangular wave is selected

waveSelect = "TRI"; // update the string variable with TRI value

update_display();// update the display

}

time = millis(); // update the time variable

}

// Check buttton press action with analogread method

// Put in a slight delay to help debounce the reading

if (analogRead(SET_FREQUENCY_HZ) < 30 && millis() - time > debounce) { // check analogpin with debounce delay

//update boolean values

set_frequency_hz = 1;

set_frequency_khz = 0;

set_frequency_mhz = 0;

update_display();// update the display

time = millis();// update the time variable

}

if (analogRead(SET_FREQUENCY_KHZ) < 30 && millis() - time > debounce) { // check analogpin with debounce delay

//update boolean values

set_frequency_hz = 0;

set_frequency_khz = 1;

set_frequency_mhz = 0;

moduleFrequency = counter * 1000;

update_display();// update the display

time = millis();// update the time variable

}

if (analogRead(SET_FREQUENCY_MHZ) < 30 && millis() - time > debounce ) { // check analogpin with debounce delay

//update boolean values

set_frequency_hz = 0;

set_frequency_khz = 0;

set_frequency_mhz = 1;

moduleFrequency = counter * 1000000;

update_display();// update the display

time = millis();// update the time variable

}

if (analogRead(ENABLE_DISABLE_OUTPUT_PIN) < 30 && millis() - time > debounce ) {// check analogpin with debounce delay

btn_state = ! btn_state; // Invert the button state

gen.EnableOutput(btn_state); // Enable / Disable output of the function generator depending on button state

update_display();// update the display

time = millis();// update the time variable

}

}

void update_display()

{

display.clearDisplay(); // FIrst clear the display

display.setTextSize(1); //set text Size

display.setCursor(10, 0); // Set cursor position

display.println("Function Generator"); //print the text

display.setTextSize(2);//set text Size

display.setCursor(0, 20);//Set cursor position

if (set_frequency_hz == 1 && set_frequency_khz == 0 && set_frequency_mhz == 0 ) { // check if button for setting the frequency in Hz is pressed

moduleFrequency = counter; //updayte teh moduleFrequency variable with current counter value

}

if (set_frequency_hz == 0 && set_frequency_khz == 1 && set_frequency_mhz == 0 ) { // check if button for setting the frequency in KHz is pressed

moduleFrequency = counter * 1000;//updayte teh moduleFrequency variable with current counter value but we multiply 1000 to set it on KHZ

}

if (set_frequency_hz == 0 && set_frequency_khz == 0 && set_frequency_mhz == 1) { // check if button for setting the frequency in MHz is pressed

moduleFrequency = counter * 1000000;

if (moduleFrequency > 12000000)

{

moduleFrequency = 12000000; // do not let the frequency to be grater that 12Mhz

counter = 12;

}

}

if (waveSelect == "SIN") { // Sine wave is selected

display.println("SIN");

gen.ApplySignal(SINE_WAVE, REG0, moduleFrequency);

Serial.println(moduleFrequency);

}

if (waveSelect == "SQR") {// Sqr wave is selected

display.println("SQR");

gen.ApplySignal(SQUARE_WAVE, REG0, moduleFrequency);

Serial.println(moduleFrequency);

}

if (waveSelect == "TRI" ) {// Tri wave is selected

display.println("TRI");

gen.ApplySignal(TRIANGLE_WAVE, REG0, moduleFrequency); // update the AD9833 module.

Serial.println(moduleFrequency);

}

display.setCursor(45, 20);

display.println(counter); // print the counter information on teh display.

if (set_frequency_hz == 1 && set_frequency_khz == 0 && set_frequency_mhz == 0 ) {

display.setCursor(90, 20);

display.println("Hz"); // print Hz on the display

display.display(); // when all set update the display

}

if (set_frequency_hz == 0 && set_frequency_khz == 1 && set_frequency_mhz == 0 ) {

display.setCursor(90, 20);

display.println("Khz");

display.display(); // when all set update the display

}

if (set_frequency_hz == 0 && set_frequency_khz == 0 && set_frequency_mhz == 1) {

display.setCursor(90, 20);

display.println("Mhz");

display.display(); // when all set update the display

}

if (btn_state) {

display.setTextSize(1);

display.setCursor(65, 45);

display.print("Output ON"); // print output on to the display

display.display();

display.setTextSize(2);

}

else {

display.setTextSize(1);

display.setCursor(65, 45);

display.print("Output OFF"); // print output off to the display

display.display();

display.setTextSize(2);

}

}

Thankyou