PIC18F4550 LCD Interfacing in CCS PICC

A character LCD traditional built with a controller inside especially the HD44780. It's easy to control with some basic LCD instruction. For more technical details and programming interface for this type of LCD controller click here to view. Character LCD are available from as single to multiple lines and multiple characters.

A running Program

In CCS PIC an LCD software driver is ready to use in side the compiler. The LCD.C driver could control a character LCD only for two line character LCD. Within this driver there are a lot of functions lists below.

1. lcd_init() - must be called before calling other function
2. lcd_putc() - send one character to LCD
3. lcd_gotoxy(x,y) - set write position on LCD, start from 1,1
4. lcd_getc(x,y) - return character at the position x,y on  LCD
5. lcd_cursor_on(int1 on) - turn on cursor
6. lcd_set_cgram_char(w,*p) - write custom character to CGRAM

In this example, the LCD prints the duration of MCU started up time. The C printf function could be use to send the character to LCD by adding the LCD_PUTC stream to this function.

Click here to download this example in zip file.

Schematic Diagram