Revise paste Washing Controller rev_01

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- Project: Washing Controller
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-10-22 02:31:08

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* 1- When you press the start button, it says on the */
	/* screen that the wash has started    2- Wait 1 */
	/* second and close the door    3- Wait 1 second and */
	/* open the water valve and write that on the screen */
	/* Then t */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <LiquidCrystal_I2C.h>	//https://github.com/marcoschwartz/LiquidCrystal_I2C

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t START_BUTTON_PIN_A0		= A0;
const uint8_t STOP_BUTTON_PIN_A1		= A1;
const uint8_t WATER_LEVEL_PIN_A2		= A2;

/***** DEFINITION OF I2C PINS *****/
const uint8_t Lcd_LCD1602I2C_I2C_PIN_SDA_A4		= A4;
const uint8_t Lcd_LCD1602I2C_I2C_PIN_SCL_A5		= A5;
const uint8_t Lcd_LCD1602I2C_I2C_SLAVE_ADDRESS		= 39;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES *****/
// Initialize the LiquidCrystal_I2C object with the I2C address and dimensions
LiquidCrystal_I2C lcd(Lcd_LCD1602I2C_I2C_SLAVE_ADDRESS, 20, 4); // 20 columns and 4 rows

void setup(void)
{
	// Initialize the LCD
	lcd.init(); // Initialize the LCD
	lcd.backlight(); // Turn on the backlight

// Set up pin modes for buttons and water level sensor
	pinMode(START_BUTTON_PIN_A0, INPUT_PULLUP);
	pinMode(STOP_BUTTON_PIN_A1, INPUT_PULLUP);
	pinMode(WATER_LEVEL_PIN_A2, INPUT);
	
	// Display initial messages on the LCD
	lcd.setCursor(3, 0);
	lcd.print("Hello, world!");
	lcd.setCursor(2, 1);
	lcd.print("Ywrobot Arduino!");
	lcd.setCursor(0, 2);
	lcd.print("Arduino LCM IIC 2004");
	lcd.setCursor(2, 3);
	lcd.print("Power By Ec-yuan!");
}

void loop(void)
{
	// Check if the start button is pressed
	if (digitalRead(START_BUTTON_PIN_A0) == LOW) // Button pressed
	{
		// Indicate that the wash has started
		lcd.clear(); // Clear the LCD
		lcd.setCursor(0, 0);
		lcd.print("Wash Started!"); // Display wash started message
		delay(1000); // Wait for 1 second

// Close the door (simulated)
		lcd.setCursor(0, 1);
		lcd.print("Closing Door..."); // Display closing door message
		delay(1000); // Wait for 1 second

// Open the water valve
		lcd.setCursor(0, 2);
		lcd.print("Opening Valve..."); // Display opening valve message
		delay(1000); // Wait for 1 second

// Indicate that the water valve is open
		lcd.setCursor(0, 3);
		lcd.print("Water Valve Open"); // Display water valve open message
	}
}

/* END CODE */