Lexicon MC-12 V2.0 - SERIAL COMMUNICATIONS PROTOCOL DEFINITION REV 1-3 - Host Sleep (MC-12, MC-1); Get Communication Configuration (MC-12, MC-1)

Lexicon, Inc.
MC-12 Serial Communications Protocol Printed on: 10/10/02
© 2002 Lexicon, Inc. All rights reserved. 30 of 92
7.3.30 Host Sleep (MC-12, MC-1)
By transmitting the Sleep command, the Host indicates it has just “powered down” and will no longer
respond to MC-12 Notifications. No Acknowledgment is expected. The Host is assumed to be asleep upon
power up of the MC-12. Host status is maintained during standby.
7.3.30.1 Packet Description
Application Header:
Command HOST_SLEEP 0x12
Data Count 0 0x00
Application Data:
N/A
7.3.30.2 Data Description
N/A
7.3.31 Get Communication Configuration (MC-12, MC-1)
This command is a request to the MC-12 for the current communications configuration for the serial port
and protocol. The MC-12 responds to this command with a Communication Configuration Packet.
7.3.31.1 Command Packet Description
Application Header:
Command DC_CMD_GET_COM_CONFIG 0x2F
Data Count 0 0x00
Application Data:
N/A
7.3.31.2 Communication Configuration Response Packet
Application Header:
Command DC_RESP_COM_CONFIG 0x8C
Data Count 1 0x01
Application Data:
Data[0] Configuration Register 0 nn
7.3.31.3 Data Description
Data Word Bit Definition
0 0 Acknowledge Enable
0 1 Parameter Change Enable
Acknowledge Enable:
TRUE Indicates the MC-12 will transmit Acknowledge Notification’s to the Host.
FALSE Indicates the MC-12 will not transmit any positive Acknowledge Notification
messages. The MC-12 will always transmit NAK error notification messages.
Parameter Change Enable:
TRUE Indicates the MC-12 will transmit any parameter change Notification as
specified in the Parameter Change Notification Message.