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

Program Name    : ex1_KEYPAD_DISCO_F429I_Simple
Author          : Grant Phillips
Date Modified   : 10/05/2016
Compiler        : ARMmbed
Tested On       : STM32F4-Discovery

Description     : Example program that demonstrates the use of
                  the KEYPAD_DISCO_F429I class to implement a 4x4
                  keypad on the STM32F429I-Discovery board. The
                  default colors and keys characters are used 
                  in this example.

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;
                           
int main() {
    char buf[20];       //string variable
    char k, key;
    
    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
        }
    }
}