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

Program Name    : ex1_LCD_HelloWorld
Author          : Grant Phillips
Date Modified   : 05/05/2016
Compiler        : ARMmbed
Tested On       : STM32F429ZI-Discovery

Description     : Example program that displays "Hello World!"
                  on the on-board 240 x 320 256K colors RGB
                  (QVGA) TFT LCD, using different fonts and 
                  colors.
                  Make sure to read LCD_DISCO_F429ZI class 
                  function explanation section on: 
                  http://controlsoft.nmmu.ac.za/ARMmbed/
                  STM32F429ZI-Discovery-Examples/QVGA-TFT-LCD

Requirements    : * STM32F429ZI-Discovery Board
              
Circuit         : * NONE

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

#include "mbed.h"
#include "LCD_DISCO_F429ZI.h"

LCD_DISCO_F429ZI lcd;       //Create a LCD_DISCO_F429ZI object

int main() {      
    int counter=0;
    
    lcd.Clear(LCD_COLOR_CYAN);              //clear the LCD with CYAN pixels
    lcd.SetBackColor(LCD_COLOR_CYAN);       //use CYAN background color
    lcd.SetTextColor(LCD_COLOR_BLUE);       //use BLUE text color
    lcd.SetFont(&Font12);                   //set to Font12
    //display a message on line 0; the (unint8_t*) just converts the string to an appropriate variable format
    lcd.DisplayStringAtLine(0,(uint8_t*)"This program will");        
    lcd.SetFont(&Font16);                   //set to Font16
    lcd.DisplayStringAtLine(1,(uint8_t*)"demonstrate the use"); 
    lcd.SetFont(&Font20);                   //set to Font20
    lcd.DisplayStringAtLine(2,(uint8_t*)"of LCD string"); 
    lcd.SetFont(&Font24);                   //set to Font20
    lcd.DisplayStringAtLine(3,(uint8_t*)"functions."); 
    wait(2.0);
    
    while(1) {      
        lcd.Clear(LCD_COLOR_WHITE);         
       
        if(counter == 0)                    //set the font according to the counter value
            lcd.SetFont(&Font8);
        else if(counter == 1)
            lcd.SetFont(&Font12);      
        else if(counter == 2)
            lcd.SetFont(&Font16); 
        else if(counter == 3)
            lcd.SetFont(&Font20); 
        else if(counter == 4)
            lcd.SetFont(&Font24);      
                                                 
        lcd.SetBackColor(LCD_COLOR_WHITE);                         
        lcd.SetTextColor(LCD_COLOR_RED);                           
        lcd.DisplayStringAtLine(0,(uint8_t*)"Hello World!");        
        
        lcd.SetBackColor(LCD_COLOR_YELLOW);                         
        lcd.SetTextColor(LCD_COLOR_BLUE);                           
        lcd.DisplayStringAtLine(2,(uint8_t*)"    Hello World!");   
        
        lcd.SetBackColor(LCD_COLOR_LIGHTGRAY);
        lcd.SetTextColor(LCD_COLOR_BLACK );
        //display message at absolute x,y position (120,160 is center of the screen)
        lcd.DisplayStringAt(120, 160, (uint8_t*)"Hello World!", LEFT_MODE);
        
        lcd.SetBackColor(LCD_COLOR_LIGHTBLUE);
        lcd.SetTextColor(LCD_COLOR_ORANGE );
        //display message at absolute x position, but LINE() converts the linenum to the correct y pixels 
        lcd.DisplayStringAt(0, LINE(10), (uint8_t*)"Line 10", CENTER_MODE);     //alignment = center    
        
        lcd.SetBackColor(LCD_COLOR_LIGHTGREEN);
        lcd.SetTextColor(LCD_COLOR_MAGENTA );
        lcd.DisplayStringAt(0, LINE(12), (uint8_t*)"Line 12", RIGHT_MODE);      //alignment = right 
        
        counter++;
        if(counter > 4)
            counter = 0;
            
        wait(2.0);
    }
}