Stephen Ralph / Mbed 2 deprecated CryptoPenDecrypt

Pt. 4 | Encryption encrypt program

Dependencies:   mbed 4DGL-uLCD-SE SDFileSystem PinDetect

Letter.cpp

Committer:
sralph3
Date:
2019-01-03
Revision:
0:72aeef60e1fc

File content as of revision 0:72aeef60e1fc:

#include "Letter.h"
using namespace std;

Letter::Letter()
{
  current= 'A';
}

void Letter::inc()
{
  if (current=='Z'){
      current = 'A';
    }
    else{
        current++;
    }
}
void Letter::dec()
{
    if (current=='A'){
        current = 'Z';
    }
    else {
        current--;
    }
  }
char Letter::getChar(){
    return current;
    }