Lexicon DC-2 - Manual (Page 20)

Lexicon, Inc.
DC-2/MC-1 Serial Communications Protocol
Printed on: 10/19/00
20 of 44
7.3.10.5 Data Description
EffectId:
Data Type: Unsigned 8 bit integer.
Max: Set by the Effect Count in the “Unit Configuration Packet”.
ParamId:
Data Type: Unsigned 8 bit integer.
Max: Set by the Parameter Count in the “Effect Definition Packet”.
MaxValue: Maximum Value allowed for this parameter.
Data Type: Unsigned 8 bit integer
Max: 255
Value: The Current Value for this parameter.
Data Type: Unsigned 8 bit integer
Max: MaxValue(in this Packet)
7.3.11 Get Effect Parameter Values
Request to DC-2/MC-1 for an effect’s parameter values. DC-2/MC-1 will respond with “Effect Parameter
Values Packet”.
7.3.11.1 Command Packet Description
Application Header:
Command
DC_CMD_GET_EFFECT_PARAM_VALUES 0x1D
Data Count 1 0x01
Application Data:
Data[0]
EffectId nn
7.3.11.2 Data Description
EffectId:
Data Type: Unsigned 8 bit integer.
Max: Set by the Effect Count in the “Unit Configuration Packet”.
7.3.11.3 Data Validation:
The EffectId must be a valid Effect Id. If it is not the DC-2/MC-1 will respond with a NAK packet and
error code DC_ERR_ INVALID_EFFECT_ID.
7.3.11.4 Effect Parameter Values Response Packet
Application Header:
Command
DC_RESP_EFFECT_PARAM_DEF 0x86
Data Count 4 0x04
Application Data:
Data[0]
EffectId nn
Data[1] ParamId nn
Data[2] MaxValue nn
Data[3] Value nn