/*#############################################################

Program Name    : ex2_TextLCD_functions
Author          : Grant Phillips
Date Modified   : 03/05/2016
Compiler        : ARMmbed
Tested On       : STM32F4-Discovery

Description     : Example program that demonstrates the use of
                  the TextLCD library class functions (cls(), 
                  locate(), putc(), and printf()).

Requirements    : * STM32F4-Discovery Board
              
Circuit         : * The HD44780-based text LCD is connected 
                    as follows:
                    Vss (LCD pin 1)             -   GND
                    Vdd (LCD pin 2)             -   3.3V
                    Vee (pin3)                  -   Contrast circuit
                    RS  (pin4)                  -   PD8
                    RW  (pin5)                  -   GND
                    E   (pin6)                  -   PD10
                    DB0 (pin7)                  -   
                    DB1 (pin8)                  -   
                    DB2 (pin9)                  -   
                    DB3 (pin10)                 -   
                    DB4 (pin11)                 -   PD12
                    DB5 (pin12)                 -   PD13
                    DB6 (pin13)                 -   PD14
                    DB7 (pin14)                 -   PD15

##############################################################*/

#include "mbed.h"
#include "TextLCD.h"    //Simon Fords's class library (Jan 2014)
 
//Create a TextLCD object with DigitalOut compatible pins)
TextLCD lcd(PD_8, PD_10, PD_12, PD_13, PD_14, PD_15); 
//          RS    EN     DB4    DB5    DB6    DB7
 
int main() {
    int i;
    
    wait(0.1);          //100ms delay to allow lcd to initialize correctly

    lcd.printf("Hello World!");         //print text using printf
   
    while (1) {
        lcd.cls();                      //clear the display
        wait(0.1);                      //at least 100ms delay always after cls()
        lcd.locate(0,0);                //set the character cursor to col=0, row=0
        lcd.printf("Hello World!");     //display text
        wait(0.5);
      
        lcd.locate(0,1);                //set the character cursor to col=0, row=1
        for(i=1;i<=8;i++) {
            lcd.printf("%d " , i);      //print a integer value and space
            wait(0.5);
        }
        wait(1.0);
      
        lcd.cls();                      //clear the display
        wait(0.1);                      //at least 100ms delay always after cls()
        lcd.locate(0,0);                //set the character cursor to col=0, row=0 
        lcd.putc('G');                  //display a character on the LCD
        lcd.putc('o');
        lcd.putc('o');
        lcd.putc('d');
        lcd.putc(' ');
        lcd.putc('B');
        lcd.putc('y');
        lcd.putc('e');

        lcd.locate(4,1);                //set the character cursor to col=4, row=1  
        for(i=65;i<=72;i++) {
            lcd.putc(i);                //display a integer value as a byte on the LCD; the
                                        //library will convert it to the correpsonding ASCII char
            wait(0.5);
        }
        wait(1.0);
    }  
}