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4 Message Reference

112

Description

This message is sent to the board to read the current clocking state. The user should

always request a confirmation message. The confirmation message indicates success

with a status value of 0 and contains the current state in the parameter area of the

message.

Parameters

The MVD_MSG_R_CLK_STATUS message includes the following parameters:

clk_mode

Indicates the current clock mode for the board. It is coded as the clk_mode parameter

in the MVD_MSG_CLK_IND message (but the value may have changed since then due

to auto-switchover). The following table shows the possible values and their meanings.

Value

Clock Mode

CT Bus Primary Master, driving clock set A

CT Bus Secondary Master, driving clock set B

CT Bus Slave, using clock set A

CT Bus disabled

CT Bus Primary Master, driving clock set B

CT Bus Secondary Master, driving clock set A

CT Bus Slave, using clock set B

status_a

The following table shows the possible values and their meanings.

Value

Description

CT clock set A OK

CT clock set A Fail

status_b

The following table shows the possible values and their meanings.

Value

Description

CT clock set B OK

CT clock set B Fail

pll_state

The current Phased Locked Loop (PLL) state. The following table shows the possible

values and their meanings.

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Dialogic DSI SPCI Network Interface Boards Especificaciones Pagina 112