Lexicon MC-12 V2.0 - SERIAL COMMUNICATIONS PROTOCOL DEFINITION REV 1-3 - MC-12 Parameter Get Value String by ID (MC-12)

Lexicon, Inc.
MC-12 Serial Communications Protocol Printed on: 10/10/02
© 2002 Lexicon, Inc. All rights reserved. 42 of 92
If ParamId exceeds the its maximum value, the MC-12 will ignore the command and transmit a
DC_NAK command with an error code DC_INVALID_PARAM_ID.
7.3.42.4 MC-12 Response
If a parameter has been enabled for notification the MC-12 will transmit its current value whenever
it has been changed due to any user or system action. For the details of the MC-12 notification
packet, see 7.1.5 (MC12_Parameter_Notification_By_Id).
7.3.43 MC-12 Parameter Get Value String by Id (MC-12)
Request to MC-12 for the string representation of a given value for a given parameter. The MC-12 will
respond with a “Value String Response Packet”.
7.3.43.1 Command Packet Description
Application Header:
Command MC_CMD_PARAM_GET_VALUE_STRING_BY_ID 0x3C
Data Count 23 0x17
Application Data:
Data[0] ParamId (LSB) nn
Data[1] ParamId (MSB) nn
Data[2] - Data[22] Value[0] - Value[20]
nn nn
nn ..
7.3.43.2 Data Description
ParamId:
Data Type: Unsigned 16 bit integer.
Max: Max Parameter Count as reported by the MC-12 Unit Configuration
Response Packet in 7.3.39.2
Value:
See MC12_Value_Union_Description.
7.3.43.3 Data Validation
If ParamId exceeds the its maximum value, the MC-12 will ignore the command and transmit a
DC_NAK command with an error code DC_INVALID_PARAM_ID.
7.3.43.4 MC-12 Value String Response Packet
Application Header:
Command MC_RESP_VALUE_STRING 0x93
Data Count
Number of Characters in Value
String + 1 nn
Application Data:
Data[0] - Data[20] Value String
ch ch ch
… 0x00
7.3.43.5 Data Description
Value String: