Check out this great project from electrosome: https://electrosome.com/lcd-pic-mplab-xc8/
PIC16F877A, 5V power, XC8 compiler
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| /* | |
| * File: newmain.c | |
| * Code modified from | |
| * https://electrosome.com/lcd-pic-mplab-xc8/ | |
| * This is for a PIC16F877A; 5V PS; XC8 compiler | |
| * Created on February 12, 2017, 4:52 PM | |
| */ | |
| #define _XTAL_FREQ 8000000 | |
| #define RS RD2 | |
| #define EN RD3 | |
| #define D4 RD4 | |
| #define D5 RD5 | |
| #define D6 RD6 | |
| #define D7 RD7 | |
| #include <xc.h> | |
| #include "lcd.h"; | |
| // BEGIN CONFIG | |
| #pragma config FOSC = HS // Oscillator Selection bits (HS oscillator) | |
| #pragma config WDTE = OFF // Watchdog Timer Enable bit (WDT enabled) | |
| #pragma config PWRTE = OFF // Power-up Timer Enable bit (PWRT disabled) | |
| #pragma config BOREN = ON // Brown-out Reset Enable bit (BOR enabled) | |
| #pragma config LVP = OFF // Low-Voltage (Single-Supply) In-Circuit Serial Programming Enable bit (RB3 is digital I/O, HV on MCLR must be used for programming) | |
| #pragma config CPD = OFF // Data EEPROM Memory Code Protection bit (Data EEPROM code protection off) | |
| #pragma config WRT = OFF // Flash Program Memory Write Enable bits (Write protection off; all program memory may be written to by EECON control) | |
| #pragma config CP = OFF // Flash Program Memory Code Protection bit (Code protection off) | |
| //END CONFIG | |
| int main() | |
| { | |
| unsigned int a; | |
| TRISD = 0x00; | |
| Lcd_Init(); | |
| while(1) | |
| { | |
| Lcd_Clear(); | |
| Lcd_Set_Cursor(1,1); | |
| Lcd_Write_String("Hi i love you"); | |
| Lcd_Set_Cursor(2,1); | |
| Lcd_Write_String("AUTUMN"); | |
| __delay_ms(2000); | |
| Lcd_Clear(); | |
| Lcd_Set_Cursor(1,1); | |
| Lcd_Write_String("A message from:"); | |
| Lcd_Set_Cursor(2,1); | |
| Lcd_Write_String("2020-06-27"); | |
| __delay_ms(2000); | |
| Lcd_Clear(); | |
| Lcd_Set_Cursor(1,1); | |
| Lcd_Write_String("Hello There!"); | |
| Lcd_Set_Cursor(2,1); | |
| Lcd_Write_String("I am a computer!"); | |
| //for(a=0;a<15;a++) | |
| //{ | |
| // __delay_ms(300); | |
| // Lcd_Shift_Left(); | |
| //} | |
| //for(a=0;a<15;a++) | |
| //{ | |
| // __delay_ms(300); | |
| // Lcd_Shift_Right(); | |
| //} | |
| __delay_ms(2000); | |
| Lcd_Clear(); | |
| Lcd_Set_Cursor(1,1); | |
| Lcd_Write_String("I love you!"); | |
| Lcd_Set_Cursor(2,1); | |
| Lcd_Write_String("Freckles is whiny!"); | |
| __delay_ms(2000); | |
| Lcd_Clear(); | |
| Lcd_Set_Cursor(1,1); | |
| Lcd_Write_String("Abby is FUZZY!"); | |
| //for(a=0;a<15;a++) | |
| //{ | |
| // __delay_ms(300); | |
| // Lcd_Shift_Left(); | |
| //} | |
| //for(a=0;a<15;a++) | |
| //{ | |
| // __delay_ms(300); | |
| // Lcd_Shift_Right(); | |
| //} | |
| //Lcd_Clear(); | |
| //Lcd_Set_Cursor(2,1); | |
| //Lcd_Write_Char('e'); | |
| //Lcd_Write_Char('S'); | |
| __delay_ms(2000); | |
| } | |
| return 0; | |
| } |
