Serial Navigator rev_01

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    - Project: Serial Navigator
    - Source Code NOT compiled for: Arduino Pro Mini 5V
    - Source Code created on: 2025-09-28 13:27:30

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* Make a Personal Portfolio Website */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h> // Arduino core

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void printSection(int idx);
void initPortfolio();

/* Pin definitions for portfolio navigation */
const int BUTTON_PIN = 2; // Next section button
const int LED_PIN = 13;   // Built-in LED for feedback

const int NUM_SECTIONS = 4;
const char* section_titles[NUM_SECTIONS] = {
    "About Me",
    "Projects",
    "Skills",
    "Contact"
};

// state
int currentSection = 0;
bool buttonState = HIGH;
bool lastButtonState = HIGH;
unsigned long lastDebounceTime = 0;
const unsigned long debounceDelay = 50; // milliseconds

/*
  Prints the content for the given portfolio section on the Serial Monitor.
  This emulates a simple textual portfolio view suitable for plain serial output.
*/
void printSection(int idx){
    Serial.println();
    Serial.println("=================================");
    Serial.print("Section: ");
    Serial.println(section_titles[idx]);
    Serial.println("---------------------------------");
    switch(idx){
        case 0:
            Serial.println("Hello! I'm a passionate embedded systems developer.");
            Serial.println("I create Arduino-based prototypes, wearable electronics, and IoT demos.");
            Serial.println("Key focus: reliability, clean code, and compact hardware design.");
            Serial.println("Experience: C/C++, AVR, debugging, and problem solving.");
            break;
        case 1:
            Serial.println("Projects:");
            Serial.println("- Sensor Logger: collects data from peripherals (demo)." );
            Serial.println("- LED Matrix Demo: displays patterns on a small LED matrix.");
            Serial.println("- Button Studio: interactive UI with a push button and serial output.");
            break;
        case 2:
            Serial.println("Skills:");
            Serial.println("C/C++, Arduino programming, Microcontroller peripherals, Debugging.");
            Serial.println("Electronics, soldering, and PCB design fundamentals.");
            break;
        case 3:
            Serial.println("Contact:");
            Serial.println("Email: [email protected]");
            Serial.println("Website: not provided in this demo");
            break;
        default:
            Serial.println("Welcome to the personal portfolio simulation.");
            break;
    }
    Serial.println("=================================");
    Serial.println();
}

void initPortfolio(){
    // Initialize Serial and pins
    Serial.begin(115200);
    // Allow time for Serial Monitor to initialize
    delay(2000);
    pinMode(BUTTON_PIN, INPUT_PULLUP);
    pinMode(LED_PIN, OUTPUT);
    digitalWrite(LED_PIN, LOW);
    // show initial section
    currentSection = 0;
    printSection(currentSection);
}

void setup(void)
{
    // put your setup code here, to run once:
    initPortfolio();
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    int reading = digitalRead(BUTTON_PIN);
    if (reading != lastButtonState) {
        lastDebounceTime = millis();
        lastButtonState = reading;
    }
    if ((millis() - lastDebounceTime) > debounceDelay) {
        if (reading == LOW && buttonState == HIGH) {
            // button pressed
            buttonState = LOW;
            currentSection = (currentSection + 1) % NUM_SECTIONS;
            Serial.println();
            digitalWrite(LED_PIN, HIGH);
            delay(50);
            digitalWrite(LED_PIN, LOW);
            printSection(currentSection);
        } else if (reading == HIGH) {
            buttonState = HIGH;
        }
    }
    // minimal loop delay to avoid flooding serial with prints
    delay(10);
}

/* END CODE */