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CLASS="SECT1"
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><A
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><A
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NAME="COMPAT-UITRON-INTERRUPT-MANAGEMENT-FUNCTIONS">Interrupt management functions</H1
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NAME="COMPAT-UITRON-INTERRUPT-MANAGEMENT-FUNCTIONS">Interrupt management functions</H1
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><P
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><P
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>These functions are fully supported in this release:</P
|
>These functions are fully supported in this release:</P
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><TABLE
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>void <TT
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>void <TT
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CLASS="FUNCTION"
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CLASS="FUNCTION"
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> ret_int</TT
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> ret_int</TT
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>( void )</PRE
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>( void )</PRE
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></TD
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></TD
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></TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
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CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>loc_cpu</TT
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>loc_cpu</TT
|
>( void )</PRE
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>( void )</PRE
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></TD
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></TD
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></TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
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CLASS="FUNCTION"
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CLASS="FUNCTION"
|
>unl_cpu</TT
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>unl_cpu</TT
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>( void )</PRE
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>( void )</PRE
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></TD
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></TD
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></TR
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></TR
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></TABLE
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
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CLASS="PROGRAMLISTING"
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>ER <TT
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>ER <TT
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CLASS="FUNCTION"
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CLASS="FUNCTION"
|
>dis_int</TT
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>dis_int</TT
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>(
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>(
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UINT <SPAN
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UINT <SPAN
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CLASS="emphasis"
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CLASS="emphasis"
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><I
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><I
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CLASS="EMPHASIS"
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CLASS="EMPHASIS"
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>eintno</I
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>eintno</I
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></SPAN
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></SPAN
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> )</PRE
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> )</PRE
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></TD
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></TD
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></TABLE
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ena_int</TT
|
>ena_int</TT
|
>(
|
>(
|
UINT <SPAN
|
UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>eintno</I
|
>eintno</I
|
></SPAN
|
></SPAN
|
> )</PRE
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> )</PRE
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></TD
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></TD
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></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>void <TT
|
>void <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ret_wup</TT
|
>ret_wup</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>tskid</I
|
>tskid</I
|
></SPAN
|
></SPAN
|
> )</PRE
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> )</PRE
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></TD
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></TD
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></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
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><TABLE
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BORDER="5"
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WIDTH="70%"
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
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><PRE
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CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>iwup_tsk</TT
|
>iwup_tsk</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>tskid</I
|
>tskid</I
|
></SPAN
|
></SPAN
|
> )</PRE
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> )</PRE
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></TD
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></TD
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></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
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><TABLE
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BORDER="5"
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BGCOLOR="#E0E0F0"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
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WIDTH="70%"
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><TR
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><TR
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><TD
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><TD
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><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>isig_sem</TT
|
>isig_sem</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>semid</I
|
>semid</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
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></TR
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></TABLE
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></TABLE
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><TABLE
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><TABLE
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BORDER="5"
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BORDER="5"
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BGCOLOR="#E0E0F0"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
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><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>iset_flg</TT
|
>iset_flg</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>flgid ,</I
|
>flgid ,</I
|
></SPAN
|
></SPAN
|
>
|
>
|
UID<SPAN
|
UID<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
> setptn</I
|
> setptn</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>isend_msg</TT
|
>isend_msg</TT
|
>(
|
>(
|
ID <SPAN
|
ID <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>mbxid ,</I
|
>mbxid ,</I
|
></SPAN
|
></SPAN
|
>
|
>
|
T_MSG<SPAN
|
T_MSG<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
> *pk_msg</I
|
> *pk_msg</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><P
|
><P
|
>Note that <TT
|
>Note that <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ret_int()</TT
|
>ret_int()</TT
|
> and
|
> and
|
the <TT
|
the <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ret_wup()</TT
|
>ret_wup()</TT
|
> are implemented
|
> are implemented
|
as macros, containing a “return” statement.</P
|
as macros, containing a “return” statement.</P
|
><P
|
><P
|
>Also note that <TT
|
>Also note that <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ret_wup()</TT
|
>ret_wup()</TT
|
> and
|
> and
|
the <TT
|
the <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ixxx_yyy()</TT
|
>ixxx_yyy()</TT
|
> style functions
|
> style functions
|
will only work when called from an ISR whose associated DSR is <TT
|
will only work when called from an ISR whose associated DSR is <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>cyg_uitron_dsr()</TT
|
>cyg_uitron_dsr()</TT
|
>,
|
>,
|
as specified in include file <TT
|
as specified in include file <TT
|
CLASS="FILENAME"
|
CLASS="FILENAME"
|
><cyg/compat/uitron/uit_ifnc.h></TT
|
><cyg/compat/uitron/uit_ifnc.h></TT
|
>,
|
>,
|
which defines the <TT
|
which defines the <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ixxx_yyy()</TT
|
>ixxx_yyy()</TT
|
> style
|
> style
|
functions also.</P
|
functions also.</P
|
><P
|
><P
|
>If you are writing interrupt handlers more in the
|
>If you are writing interrupt handlers more in the
|
<SPAN
|
<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>eCos</I
|
>eCos</I
|
></SPAN
|
></SPAN
|
> style, with separate ISR and DSR routines both of
|
> style, with separate ISR and DSR routines both of
|
your own devising, do not use these special functions from a DSR: use plain
|
your own devising, do not use these special functions from a DSR: use plain
|
<TT
|
<TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>xxx_yyy()</TT
|
>xxx_yyy()</TT
|
> style functions (with no ‘i’ prefix)
|
> style functions (with no ‘i’ prefix)
|
instead, and do not call any µITRON functions from the ISR at
|
instead, and do not call any µITRON functions from the ISR at
|
all.</P
|
all.</P
|
><P
|
><P
|
>The following functions are not supported in this release: </P
|
>The following functions are not supported in this release: </P
|
><TABLE
|
><TABLE
|
BORDER="5"
|
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WIDTH="70%"
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WIDTH="70%"
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><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>def_int</TT
|
>def_int</TT
|
>(
|
>(
|
UINT <SPAN
|
UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>dintno,</I
|
>dintno,</I
|
></SPAN
|
></SPAN
|
>
|
>
|
T_DINT *<SPAN
|
T_DINT *<SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>pk_dint</I
|
>pk_dint</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><TABLE
|
><TABLE
|
BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
|
BGCOLOR="#E0E0F0"
|
WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>chg_iXX</TT
|
>chg_iXX</TT
|
>(
|
>(
|
UINT <SPAN
|
UINT <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>iXXXX</I
|
>iXXXX</I
|
></SPAN
|
></SPAN
|
> )
|
> )
|
</PRE
|
</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
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><TABLE
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><TABLE
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BORDER="5"
|
BORDER="5"
|
BGCOLOR="#E0E0F0"
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BGCOLOR="#E0E0F0"
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WIDTH="70%"
|
WIDTH="70%"
|
><TR
|
><TR
|
><TD
|
><TD
|
><PRE
|
><PRE
|
CLASS="PROGRAMLISTING"
|
CLASS="PROGRAMLISTING"
|
>ER <TT
|
>ER <TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>ref_iXX</TT
|
>ref_iXX</TT
|
>(
|
>(
|
UINT * <SPAN
|
UINT * <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>p_iXXXX</I
|
>p_iXXXX</I
|
></SPAN
|
></SPAN
|
> )</PRE
|
> )</PRE
|
></TD
|
></TD
|
></TR
|
></TR
|
></TABLE
|
></TABLE
|
><P
|
><P
|
>These unsupported functions are all Level C (CPU dependent).
|
>These unsupported functions are all Level C (CPU dependent).
|
Equivalent functionality is available via other <SPAN
|
Equivalent functionality is available via other <SPAN
|
CLASS="emphasis"
|
CLASS="emphasis"
|
><I
|
><I
|
CLASS="EMPHASIS"
|
CLASS="EMPHASIS"
|
>eCos</I
|
>eCos</I
|
></SPAN
|
></SPAN
|
>-specific
|
>-specific
|
APIs. </P
|
APIs. </P
|
><DIV
|
><DIV
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><H2
|
><H2
|
CLASS="SECT2"
|
CLASS="SECT2"
|
><A
|
><A
|
NAME="AEN13831">Error checking</H2
|
NAME="AEN13831">Error checking</H2
|
><P
|
><P
|
>The following conditions are only checked for, and only return
|
>The following conditions are only checked for, and only return
|
errors if
|
errors if
|
<TT
|
<TT
|
CLASS="LITERAL"
|
CLASS="LITERAL"
|
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
|
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
|
>
|
>
|
is enabled:</P
|
is enabled:</P
|
><P
|
><P
|
></P
|
></P
|
><UL
|
><UL
|
><LI
|
><LI
|
><P
|
><P
|
><TT
|
><TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>loc/unl_cpu()</TT
|
>loc/unl_cpu()</TT
|
>
|
>
|
: these must only be called in a
|
: these must only be called in a
|
µITRON task context, else E_CTX.</P
|
µITRON task context, else E_CTX.</P
|
></LI
|
></LI
|
><LI
|
><LI
|
><P
|
><P
|
><TT
|
><TT
|
CLASS="FUNCTION"
|
CLASS="FUNCTION"
|
>dis/ena_int()</TT
|
>dis/ena_int()</TT
|
>
|
>
|
: the interrupt number must be in range as specified by the platform
|
: the interrupt number must be in range as specified by the platform
|
HAL in qustion, else E_PAR.</P
|
HAL in qustion, else E_PAR.</P
|
></LI
|
></LI
|
></UL
|
></UL
|
></DIV
|
></DIV
|
></DIV
|
></DIV
|
><DIV
|
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|
CLASS="NAVFOOTER"
|
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|
><HR
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><TR
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><TD
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WIDTH="33%"
|
WIDTH="33%"
|
ALIGN="left"
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ALIGN="left"
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VALIGN="top"
|
VALIGN="top"
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><A
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><A
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HREF="compat-uitron-extended-sync-comm-functions.html"
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HREF="compat-uitron-extended-sync-comm-functions.html"
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ACCESSKEY="P"
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>Prev</A
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="ecos-ref.html"
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ACCESSKEY="H"
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>Home</A
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ALIGN="right"
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ALIGN="right"
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VALIGN="top"
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><A
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WIDTH="33%"
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WIDTH="33%"
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ALIGN="left"
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ALIGN="left"
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VALIGN="top"
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VALIGN="top"
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>Extended Synchronization and Communication Functions</TD
|
>Extended Synchronization and Communication Functions</TD
|
><TD
|
><TD
|
WIDTH="34%"
|
WIDTH="34%"
|
ALIGN="center"
|
ALIGN="center"
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><A
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WIDTH="33%"
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WIDTH="33%"
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ALIGN="right"
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>Memory pool Management Functions</TD
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>Memory pool Management Functions</TD
|
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