6 Message Reference
Value | Mnemonic | Description |
0x01 | None | Invalid framer ID. |
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0x02 | None | Invalid message length. |
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0x03 | None | Control parameters are not consistent with the type of |
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| device being controlled or with each other. |
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6.3.4LIU 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) |
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|
|
id |
| liu_id |
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|
src |
| Sending Module ID |
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|
dst |
| MVD_TASK_ID (0x10) |
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|
|
rsp_req |
| used to request a confirmation |
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|
|
hclass |
| 0 |
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|
|
status |
| Status Response (if confirmation requested) |
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|
|
err_info |
| 0 |
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|
|
len |
| 16 |
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|
| PARAMETER AREA |
Offset | Size | Name |
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|
|
0 | 16 | Parameter area formatted as for the LIU_MSG_CONTROL |
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| message. The user should set the fields to zero and the |
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| module writes the current control parameters in the |
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| confirmation message. |
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|
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.
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