def _fat_mounts(self):
        """! Lists mounted devices with vfat file system (potential mbeds)
        @result Returns list of all mounted vfat devices
        @details Uses Linux shell command: 'mount'
        """
        _stdout, _, retval = self._run_cli_process("mount")
        if not retval:
            for line in _stdout.splitlines():
                if b"vfat" in line:
                    match = self.mmp.search(line.decode("utf-8"))
                    if match:
                        yield match.group("dev"), match.group("dir")