def METHOD_NAME(self):
    # Retrieves the CPLD firmware version
    cpld_version = dict()
    for cpld_name in CPLD_SYSFS:            
        cmd = "cat {}".format(CPLD_SYSFS[cpld_name])
        status, value = subprocess.getstatusoutput(cmd)
        if not status:
            cpld_version_raw = value.rstrip()
            cpld_version_int = int(cpld_version_raw,16)
            cpld_version[cpld_name] = "{}.{:02d}".format(cpld_version_int >> 6,
                                                         cpld_version_int & 0b00111111)
    return cpld_version