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Chapter 5

-#&'!%)&)$*

5-2

The Application Program Interface (API) is a set of library routines used to

interface your programs with the control coprocessor. The following are

the categories of functions available in the API library.

Table 5.A

API Library Routines

API Function Definition of Set



+2+# #!))0  &$$%* + + ** +  +2+# $$&)0 & 

')&)$$# &%+)&##) + + !* !)+#0 &%%+ !)+2&%%+ $& +& + 

&%+)&# &')&**&)

 &%+)&#2&')&**&) &$$%* **!% +  +2+# $$&)0 & 

')&)$$# &%+)&##) + )&, +  "'#% !%+) 

 &%+)&#2&')&**&) $**  &$$%* + + %# ,%*&#!!+

** %*+),+!&%* )&$  ')&)$$# &%+)&##) #)2#&! ')&)$

!)+2&%%+ $&

 &%+)&#2&')&**&) &$$%*  + + ')&-! ** +& +  &%+)&#2

&')&**&) $$&)0 &) /+)%# -!* + + ) &%%+ -! +  *)!#

!%+)* &%+)&#!.



!* % /$'# & *,  -! + + .&,# )(,!)

** +& &%+)&#2&')&**&) $$&)0  #*& ')&-!* ** +&

&%+)&#2&')&**&) $$&)0 +.% 2 ')&)$ $&,#*

 &%+)&#2&')&**&) ,+!#!+0 &$$%* + + %# ,%+!&%* *, * +)'

!%!+!#!1+!&% ))&) %#!%  !*'#0* +

Use Table 5.B to determine which API functions to use for your

specific application.

Table 5.B

When to Use API Functions

For this application: Use this set of

API functions;

** +  + +# &  2 ')&)$$# &%+)&##) + + !* !)+#0

&%%+ +& +  &%+)&# &')&**&)



&$'#!* !*)+ &) #&" +)%*) & + .!+  ')&)$$# &%+)&##)

!+ ) !)+2&%%+ &) *+%#&% $&



*'&% +& % ,%*&#!!+ ')&)$$#2&%+)&##) $** 

)&-! ** +& &%+)&#2&')&**&) $$&)0 &) !%+)+!&% $&% )&,+!%*

),%%!% &% +  &%+)&# &')&**&) % +& /+)%# -!* &%%+ -! + 

*)!# '&)+*



)&-! ** +& &%+)&#2&')&**&) $$&)0 &) -!* ++  +& + 

*)!# '&)+*



%# ))&)* %)+ 0  ,%+!&%* 

%!+!#!1 +  &%+)&# &')&**&) &$'#!* !)*+ % &% &%#0 !%

-)0 ')&)$



What Is the Application

Program Interface?

When to Use API Functions

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