* and ACM class, subclass and protocol values. Most USB-Serial cables have vendor\r
* specific features, thus use vendor-specific class/subclass/protocol codes to force\r
* the user to use specialized drivers. This demo is not compatible with such devices.\r
* and ACM class, subclass and protocol values. Most USB-Serial cables have vendor\r
* specific features, thus use vendor-specific class/subclass/protocol codes to force\r
* the user to use specialized drivers. This demo is not compatible with such devices.\r