Lexicon DC-2 - Manual (Page 31)

Lexicon, Inc.
DC-2/MC-1 Serial Communications Protocol
Printed on: 10/19/00
31 of 44
7.3.30 Host Sleep
By transmitting the Sleep command, the Host indicates it has just “powered down” and will no longer
respond to DC-2/MC-1 Notifications. No Acknowledgment is expected.
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
Request to DC-2/MC-1 for the current communications configuration for the serial port and protocol. The
DC-2/MC-1 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 System Parameter Values 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
0 2 LED Acknowledge Enable
Acknowledge Enable: TRUE Indicates the DC-2/MC-1 will transmit Acknowledge Notification’s to
the Host.
FALSE Indicates the DC-2/MC-1 will not transmit any positive Acknowledge
Notification messages. The DC-2/MC-1 will always transmit NAK error notification messages.
Parameter Change Enable: TRUE Indicates the DC-2/MC-1 will transmit any parameter change
Notification as specified in the Parameter Change Notification Message.
FALSE Indicates the DC-2/MC-1 will not transmit parameter change
Notifications.