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

Program Name    : ex2_KEYPAD_DISCO_F429I_Simple2
Author          : Grant Phillips
Date Modified   : 10/05/2016
Compiler        : ARMmbed
Tested On       : STM32F4-Discovery

Description     : The same as ex1_KEYPAD_DISCO_F429I_Simple, 
                  but colors and keys are changed from the 
                  default values.

Requirements    : * STM32F4-Discovery Board
              
Circuit         : * NONE

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

#include "mbed.h"
#include "TS_DISCO_F429ZI.h"
#include "LCD_DISCO_F429ZI.h"
#include "KEYPAD_DISCO_F429ZI.h"

KEYPAD_DISCO_F429ZI keypad;

//create an array with the new required ASCII characters
char newkeys[4][4] =  {{'a' ,'b' ,'c' ,'d'},       //row0
                       {'e' ,'f' ,'g' ,'h'},       //row1
                       {'i' ,'k' ,'l' ,'m'},       //row2
                       {'!' ,'<' ,'>' ,'?'}};      //row3
                                   
int main() {
    char buf[20];       //string variable
    char k, key;
    
    keypad.SetBackColor(LCD_COLOR_LIGHTGRAY);       //change background color for entire keypad
    
    keypad.SetMsgBoxForeColor(LCD_COLOR_MAGENTA);   //change Message Box text color
    keypad.SetMsgBoxBackColor(LCD_COLOR_YELLOW);    //change Message Box background color
    keypad.SetOutBoxForeColor(LCD_COLOR_DARKGREEN); //change Output Box text color
    keypad.SetOutBoxBackColor(LCD_COLOR_CYAN);      //change Output Box background color
    
    keypad.SetKeyBackColor(LCD_COLOR_RED);          //change Key background color
    keypad.SetKeyForeColor(LCD_COLOR_WHITE);        //change Key text color
    keypad.SetKeyPressColor(LCD_COLOR_GREEN);       //change Key pressed color
    
    keypad.SetKeys(newkeys);                        //change the keys' ASCII characters to the newkeys array
    
    keypad.Show(1, 1);                              //Display the keypad, enable the Message and Output Box areas
    keypad.WriteMsgBoxLine(0, "Press any key...");  //display a message in the
    keypad.WriteMsgBoxLine(1, "----------------");  //Message Box area of the keypad
   
    while(1) {
        k = keypad.ReadKey();                       //read the current key pressed
        if(k != '\0') {                             //if a key is pressed
            key = k;                                //store the key in a variable
            do                                      //read until key is released
                k = keypad.ReadKey();
            while(k != '\0');
            sprintf(buf, "%c was pressed", key);    
            keypad.WriteOutBox(buf);                //display result in Output Box area of keypad
        }
    }
}