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6 Message Reference
60
Value Mnemonic Description
0x01 None Invalid framer ID.
0x02 None Invalid message length.
0x03 None Control parameters are not consistent with the type of
device being controlled or with each other.
6.3.4 LIU Read Control Request
Synopsis:
Message sent by the application to read back the current LIU control options
from the DSI SPCI Board.
Message Format:
MESSAGE HEADER
Field Name Meaning
type LIU_MSG_R_CONTROL (0x5e38)
id liu_id
src
Sending Module ID
dst MVD_TASK_ID (0x10)
rsp_req
used to request a confirmation
hclass
0
status Status Response (if confirmation requested)
err_info
0
len
16
PARAMETER AREA
Offset Size Name
0 16 Parameter area formatted as for the LIU_MSG_CONTROL
message. The user should set the fields to zero and the
module writes the current control parameters in the
confirmation message.
Description:
This message is sent to the DSI SPCI Board to read back the current control
parameters selected for the Line Interface Unit.
The user should always request a confirmation message. This indicates
success by status of zero and contains the current control parameters in the
parameter area of the message.