ADLINK Technology cPCI-8168, User Manual

Page: 177 / 208

Function Library 167
_8168_check_compare_data
():
This function is used to obtain current comparing data of desig-
nated comparator.
_8168_check_compare_status
():
This function is used to obtain the status of all comparators. When
some comparators come into existence, the relative bit of cmp_sts
will become ‘1’, otherwise ‘0’. Notice that the status will not be
latched after compare condition is true.
_8168_set_auto_compare
():
This function is used to set the comparing data source of trigger
comparator. The source can be either a function or a table.
_8168_build_compare_function
():
This function is used to build a comparing function (equal interval)
by defining the start/end point and interval. There is no limitation
on the max number counts of comparing data in Windows but has
4096 limitation in DOS.
Note: Please make sure that interruptions of this card do not
happen frequently while the comparing trigger is active. Other-
wise the comparing trigger will be stopped due to real-time
issue.
_8168_build_compare_table
():
This function is used to build a comparing table by defining data
array. There is no limitation on the max number counts of compar-
ing data but has 4096 limitation in DOS. The compare data table
could be non-equal interval for the compare data but it must be an
increasing or decreasing data table.
Note: Please make sure that interruption of this card do not hap-
pened frequently while the comparing trigger is active. Otherwise
the comparing trigger will be stopped due to real-time issue.
_8168_cmp_v_change
():
This function is used to setup comparator velocity change func-
tion. It is like a v_change() function but acts when general compar-
ator comes into existence. When this function is issued, the
parameter “CmpAction” of