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.