#include <xc.h>
 
// CONFIGURATION BITS
#pragma config OSC = HS     // High-speed oscillator
#pragma config PWRT = OFF
#pragma config WDT  = OFF
#pragma config LVP  = OFF
 
// LCD control pins
#define RS RC4
#define RW RC5
#define EN RC6
 
// Delay function
void LCD_delay() {
    for(int i = 0; i < 1000; i++);
}
 
// Send command to LCD
void LCD_cmd(unsigned char cmd) {
    RS = 0;        // Command mode
    RW = 0;        // Write mode
    PORTB = cmd;   // Command on data lines
    EN = 1; LCD_delay(); EN = 0;
}
 
// Send data (character) to LCD
void LCD_data(unsigned char data) {
    RS = 1;        // Data mode
    RW = 0;        // Write mode
    PORTB = data;  // Data on data lines
    EN = 1; LCD_delay(); EN = 0;
}
 
// Initialize LCD
void LCD_init() {
    LCD_cmd(0x38); // 8-bit, 2-line
    LCD_cmd(0x0E); // Display ON, cursor ON
    LCD_cmd(0x06); // Entry mode
    LCD_cmd(0x01); // Clear display
    LCD_cmd(0x80); // Set cursor to line 1
}
 
// Write string to LCD
void LCD_write_string(const char *str) {
    while(*str != '\0') {
        LCD_data(*str);
        str++;
    }
}
 
// Main function
void main() {
    TRISB = 0x00; // PORTB as output (data lines)
    TRISC = 0x00; // PORTC as output (control lines)
 
    LCD_init(); // Initialize LCD
 
    // Display text
    LCD_write_string("St.MIRAS COLLEGE");
    LCD_cmd(0xC0); // Move to line 2
    LCD_write_string("ELECTRONICS LAB");
 
    while(1); // Infinite loop
}
 

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