* Not that this demo is only compatible with devices which report the correct CDC
* and ACM class, subclass and protocol values. Most USB-Serial cables have vendor
* specific features, thus use vendor-specific class/subclass/protocol codes to force
* Not that this demo is only compatible with devices which report the correct CDC
* and ACM class, subclass and protocol values. Most USB-Serial cables have vendor
* specific features, thus use vendor-specific class/subclass/protocol codes to force