lglcd.h

00001 /*   ELEC351 COURSEWORK 2018 
00002 DESIGNED USING MBED ONLINE COMPILER IMPORTED TO KEIL
00003 LIAM GRAZIER // DOUG TILLEY // ALEX BARON 
00004  */
00005 #ifndef __LGLCD_H 
00006 #define __LGLCD_H
00007 #define CMD      0 //adapted from 2nd year code
00008 #define TXT      1
00009 #define CLEAR    1
00010 #define HOME     2
00011 #define READ     1
00012 #define WRITE    0
00013 #define LEFT     0
00014 #define RIGHT    1
00015 #define LINE1    0x80        // Start address of first line
00016 #define LINE2    0xC0        // Start address of second line
00017 #define LCD_CLR             (writedata(CLEAR,CMD))
00018 #define LCD_HOME            (writedata(HOME,CMD))
00019 #define LCD_BUSYBIT 0x8000  //correct value for the lcd BUSYBIT
00020 //mylcdclass 
00021 class lglcd
00022 {
00023 public:
00024 lglcd(PinName RS, PinName E, PinName D4, PinName D5,PinName D6, PinName D7); //statement for pin enables
00025 void clear(void); //function for clearlcd
00026 void writedata(unsigned char info, unsigned char type); //function forwiring data on the screen 
00027 void lglcd::setline(int row,int column); //setline command row/column
00028 void write(char charq[]); //wirint char/str on mylcd.
00029 int l; 
00030 protected:
00031 BusOut _lcdinfo; //output define for D4-D7
00032 DigitalOut _lcdrs; //output define for RS Pin
00033 DigitalOut _lcde; //output define for E pin
00034 };
00035 #endif