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--- pm:prj2026:jan.vaduva:bogdan.ciupitu [2026/05/15 14:19]
bogdan.ciupitu [Implemented Functions]
+++ pm:prj2026:jan.vaduva:bogdan.ciupitu [2026/05/15 14:34] (current)
bogdan.ciupitu [Introduction]
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 ===== Introduction =====
-**Dual-Controller OLED Tic-Tac-Toe** is a portable handheld gaming device specifically designed for two players. This project brings the classic game of Tic-Tac-Toe to a custom electronic platform built around an Arduino Uno board.
+**Dual-Controller OLED Tic-Tac-Toe** is a portable handheld gaming device specifically designed for two players or player versus bot. This project brings the classic game of Tic-Tac-Toe to a custom electronic platform built around an Arduino Uno board.
 **Project Goals:**
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 **Adafruit_SSD1306**: Essential for handling the display buffer and I2C communication protocol for the SSD1306 OLED.
 **Adafruit_GFX**: Provides the graphics core for rendering lines, circles, and text characters.
 **Wire.h**: The standard Arduino I2C library used for data transmission between the MCU and the display.
@@ Line 63: / Line 65: @@
 **2D Array Representation**: The game board is stored in a int board[3][3] matrix, where $0$ is empty, $1$ is 'X', and $2$ is 'O'.
 **Threshold Detection Algorithm**: Analog joystick values ($0-1023$) are processed using a hysteresis-like logic ($<300$ and $>700$) to prevent "ghost" movements.
 **Win-Check Algorithm**: A deterministic function that scans 8 possible vectors (3 rows, 3 columns, 2 diagonals) for identical non-zero values.
 **Randomized AI Logic**: A pseudo-random selection algorithm that identifies available indices in the board matrix to perform automated moves.
 ==== Implemented Functions ====
-setup(): Initializes I2C communication, sets pin modes for joysticks, and seeds the random generator using noise from an open analog pin (A5).
+**setup()**: Initializes I2C communication, sets pin modes for joysticks, and seeds the random generator using noise from an open analog pin (A5).
-drawMenu(): Handles the UI for mode selection (Single Player vs Multiplayer) and processes Joystick 1 input for navigation.
+**drawMenu()**: Handles the UI for mode selection (Single Player vs Multiplayer) and processes Joystick 1 input for navigation.
-tttGameLoop(): The core engine that manages turns, calls the input mapping functions, and updates the game state.
+**tttGameLoop()**: The core engine that manages turns, calls the input mapping functions, and updates the game state.
-botMove(): Implements the automated opponent logic with an artificial delay to simulate human-like interaction.
+**botMove()**: Implements the automated opponent logic with an artificial delay to simulate human-like interaction.
-checkWin() & checkDraw(): Logic functions that return boolean values to trigger the end-of-game state.
-drawTTTGrid(): A dedicated rendering function that draws the board lines and iterates through the matrix to display X and O symbols.
-playVictorySound() / playDrawSound(): PWM-based functions that use the tone() command to provide audio feedback through the buzzer.
-===== Results =====
+**checkWin()** & **checkDraw()**: Logic functions that return boolean values to trigger the end-of-game state.
+**drawTTTGrid()**: A dedicated rendering function that draws the board lines and iterates through the matrix to display X and O symbols.
+**playVictorySound()** / **playDrawSound()**: PWM-based functions that use the tone() command to provide audio feedback through the buzzer.
+===== Results =====
+The project resulted in a fully functional handheld console. The system successfully handles real-time input from two controllers without latency. The OLED display provides a clear interface, and the integrated Bot offers a challenging solo experience. The memory optimizations (using the F() macro) ensured the system remains stable during long play sessions.
 ===== Conclusions =====
+//todo//
+===== Source Code =====
-===== Source Code =====
+//todo//
+===== Bibliography/Resources =====
+==== Software Resources ====
+Adafruit GFX Library Documentation https://cdn-learn.adafruit.com/downloads/pdf/adafruit-gfx-graphics-library.pdf
-===== Bibliography/Resources =====
+Adafruit SSD1306 Library https://github.com/adafruit/Adafruit_SSD1306
+Arduino Reference - Tone Function https://docs.arduino.cc/language-reference/en/functions/advanced-io/tone/
+Arduino Reference - RandomSeed https://docs.arduino.cc/language-reference/en/functions/random-numbers/randomSeed/
+Memory Optimization (F macro) https://docs.arduino.cc/language-reference/en/variables/utilities/PROGMEM/
+==== Hardware Resources ====
+Atmel ATmega328P Datasheet https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7810-Automotive-Microcontrollers-ATmega328P_Datasheet.pdf
+SSD1306 OLED Controller Datasheet https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf
+Joystick Module (KY-023) Guide https://arduinomodules.info/ky-023-joystick-dual-axis-module/