Specifications

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
1
CT Bus Primary Master, driving clock set A
2
CT Bus Secondary Master, driving clock set B
3
CT Bus Slave, using clock set A
4
CT Bus disabled
10
CT Bus Primary Master, driving clock set B
11
CT Bus Secondary Master, driving clock set A
12
CT Bus Slave, using clock set B
status_a
The following table shows the possible values and their meanings.
Value
Description
1
CT clock set A OK
2
CT clock set A Fail
status_b
The following table shows the possible values and their meanings.
Value
Description
1
CT clock set B OK
2
CT clock set B Fail
pll_state
The current Phased Locked Loop (PLL) state. The following table shows the possible
values and their meanings.