/* Retrieve pressed key character if alphanumeric */
if ((PressedKeyCode >= 0x04) && (PressedKeyCode <= 0x1D))
PressedKey = (PressedKeyCode - 0x04) + 'A';
else if ((PressedKeyCode >= 0x1E) && (PressedKeyCode <= 0x27))
PressedKey = (PressedKeyCode - 0x1E) + '0';
else if (PressedKeyCode == 0x2C)
/* Retrieve pressed key character if alphanumeric */
if ((PressedKeyCode >= 0x04) && (PressedKeyCode <= 0x1D))
PressedKey = (PressedKeyCode - 0x04) + 'A';
else if ((PressedKeyCode >= 0x1E) && (PressedKeyCode <= 0x27))
PressedKey = (PressedKeyCode - 0x1E) + '0';
else if (PressedKeyCode == 0x2C)