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4.1.2 Message Body
The message body has the following structure:
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5
Operation Type Function Value
OpTypeLo
0x00 FuncNum_lo 0x00 Opval_lo Opval_hi
Table 6
4.1.2.1 Field description
Field Name Field Value Description
OpTypeLo
0x01 Operation Set. Set current value
0x02 Operation Get. Gets the current value
0x03 Operation Initialize. Initialize the value to default.
Should not be used
0x04 Operation Increment. Increment the value by one
step. Only valid for “Adjust” functions.
0x05 Operation Decrement. Decrement the value by one
step. Only valid for “Adjust” functions.
Operation Type
0x06 Operation Execute. Execute the operation. Only
used for “Execute” operations
Function
FuncNum The actual function number to execute. A list of
usable FuncNum is given in Chapter 7
Value
- Only used by Operation Set. The actual value to set
the operation to. For all other operation actions, this
field is set to 0x0000.
Table 7