Header file and defines for Serial LCD Controller

LCD_2_1.pbp

;-----[ Includes ]---------------------------------------------------------
INCLUDE "16F628A.pbp"


;-----[ Defines ]----------------------------------------------------------
;Define oscillator speed in Mhz
DEFINe  OSC         20

;Define which port is connected to the LCD Data pins D4 - D7
DEFINE  LCD_DREG    PORTB

;Define starting Data bit on port (0 for 8-bit or 4 for 4-bit port)
DEFINE  LCD_DBIT    4

;Define LCD Bus size (4-bit or 8-bit)
DEFINE  LCD_BITS    4

;Define LCD Register Select (RS) port
DEFINE  LCD_RSREG   PORTA

;Define LCD Register Select (RS) bit
DEFINE  LCD_RSBIT   0

;Define LCD Read/Write (RW) Port
DEFINE  LCD_RWREG   PORTA

;Define LCD Read/Write (RW) bit
DEFINE  LCD_RWBIT   2

;Define LCD Enable (E) port
DEFINE  LCD_EREG    PORTA

;Define LCD Enable (E) bit
DEFINE  LCD_EBIT    1

;Define number of lines on LCD
DEFINE  LCD_LINES   4

;Define LCD command delay time
DEFINE  LCD_COMMANDUS   2000

;Define LCD data delay time
DEFINE  LCD_DATAUS      50

;Enable serial port & continuous receive
DEFINE  HSER_RCSTA  90h
DEFINE  HSER_TXSTA  20h

;Clear overflow automatically
DEFINE HSER_CLROERR 1

;Turn off PORTA comparators
CMCON = 7