6.3.11 Configure Clock Request - Dialogic DSI SPCI Network Interface Boards Programmer's Manual

6 Message Reference

6.3.11 Configure Clock Request

Synopsis:
Message sent to a DSI SPCI Board to configure the clocking mode for the
board.
Message Format:
Field Name
type
id
src
dst
rsp_req
hclass
status
err_info
len
Offset
0
2
4
6
8
Description:
This message is used to control the on-board clock circuitry. It allows the
user to select the CT bus clocking mode and the reference clock sources for
the local and bus reference clocks.
The confirmation message (if requested) indicates success by status of zero.
Parameter Description:
bus_speed
This parameter is used to set the CT bus speed; the permissible values are as
follows:
74
MESSAGE HEADER
Meaning
MVD_MSG_CNFCLOCK (0x7e20)
0
Sending Module ID
MVD_TASK_ID
used to request a confirmation
0
Status Response (if confirmation requested)
0
8
PARAMETER AREA
Size Name
2 bus_speed
2 clk_mode
2 pll_clk_src
2 ref1_mode
2 Reserved. Set to zero