// State of the device's input trays. message InputTrayState
{
message Item { enum StateType { // Tray is functional. OK = 0; // Tray is out of media. Treated as error. EMPTY = 1; // Tray is open. Treated as error. OPEN = 2; // Tray is installed, but turned off or disconnected. Treated as error. OFF = 3; // Tray is present, but not functioning properly. Treated as error. FAILURE = 4; } // ID of the tray (refers to CDD model) (required). optional string vendor_id = 1; // Current tray state (required). optional StateType state = 2; // Loaded media level, percent. Ranges from 0 (empty) to 100 (fully loaded). optional int32 level_percent = 3; // Vendor-specific message, ignored when state == OK. optional string vendor_message = 101; } repeated Item item = 1;
}