Specifications

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DSI SPCI Network Interface Boards Programmer's Manual Issue 7
39
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.
4.3.4 LIU_MSG_R_CONTROL - LIU Read Control Request
Synopsis
Message sent by the application to read back the current Line Interface Unit (LIU)
control options from the board.
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.
Status Response
The confirmation message (if requested) indicates success by status of zero.
On error, the following status value can be found in the confirmation message.