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Lexicon, Inc.
RV-8 Serial Communications Protocol
If a parameter has been enabled for notification the RV8 will transmit its current value whenever it
has been changed due to any user or system action. For the details of the RV8 notification packet,
see
7.1.5
(RV8_Parameter_Notification_By_Id).
7.3.20 Parameter Get Value String by Id
Request to RV8 for the string representation of a given value for a given parameter. The RV8 will respond
with a "Value String Response Packet".
7.3.20.1 Command Packet Description
Application Header:
Command
Data Count
Application Data:
Data[0]
Data[1]
Data[2] - Data[22]
7.3.20.2 Data Description
ParamId:
Data Type:
Max:
Value:
See ParagraphParamSetDataDescription.
7.3.20.3 Data Validation
If ParamId exceeds the its maximum value, the RV8 will ignore the command and transmit a
DC_NAK command with an error code DC_INVALID_PARAM_ID.
7.3.20.4 RV8 Value String Response Packet
Application Header:
Command
Data Count
Application Data:
Data[0] - Data[20]
7.3.20.5 Data Description
Value String:
Data Type:
Max Length:
© 2004 Lexicon, Inc. All rights reserved.
MC_CMD_PARAM_GET_VALUE_STRING_BY_ID 0x3C
23
ParamId (LSB)
ParamId (MSB)
Value[0] - Value[20]
Unsigned 16 bit integer.
Max Parameter Count as reported by the RV8 Unit Configuration
Response Packet in 7.3.39.2
MC_RESP_VALUE_STRING
Number of Characters in Value
String + 1
Value String
Null (0x00) terminated ASCII string.
21 (20 characters plus terminating Null)
Printed on: 01/18/05
0x17
nn
nn
nn nn
nn ..
0x93
nn
ch ch ch
... 0x00
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