CDK-111A-Lite Owner's Guide - Ross Video

Editor Interface State DiagramNow that an overview of all elements of the protocol has been presented, here is asummary of how the keyer processes editor commands:Power UpUnit De-selected"Idle" StateValid BreakReceivedClearQueueAny StateBreakReceivedOtherPoll AddressWait for Select Address"Active" StateValid SelectAddress ReceivedSendACK(0x84)Send ACK (0x84)ValidAddressPollAny StateCommunicationErrorSend NACK (0x85)Listen for Characters"Selected" StateReceivedCharactersQueueOverflowFlag Command as BadSet Comm Error Bit(if enabled)Store Charactersin QueueWait for CompleteCommandSearch for NextComplete CommandCompleteCompleteEDITOR INTERFACE PROCESSVerify Valid Byte CountCommand etc.ValidInvalidorFlaggedas BadReject Byte CountSend Protocol ErrorExecute CommandCOMMAND INTERPRETER PROCESSEditor Interface State Diagram4-10 • Appendix A. Serial Protocols CDK-111A-Lite • Owner’s Guide v4B