OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [ref/] [compat-uitron-time-mgmt-functions.html] - Rev 613

Go to most recent revision | Compare with Previous | Blame | View Log 

<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
<!-- This material may be distributed only subject to the terms      -->
<!-- and conditions set forth in the Open Publication License, v1.0  -->
<!-- or later (the latest version is presently available at          -->
<!-- http://www.opencontent.org/openpub/).                           -->
<!-- Distribution of the work or derivative of the work in any       -->
<!-- standard (paper) book form is prohibited unless prior           -->
<!-- permission is obtained from the copyright holder.               -->
<HTML
><HEAD
><TITLE
>Time Management Functions</TITLE
><meta name="MSSmartTagsPreventParsing" content="TRUE">
<META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="eCos Reference Manual"
HREF="ecos-ref.html"><LINK
REL="UP"
TITLE="µITRON API"
HREF="compat-uitron-microitron-api.html"><LINK
REL="PREVIOUS"
TITLE="	  Memory pool Management Functions"
HREF="compat-uitron-memory-pool-mgmt-functions.html"><LINK
REL="NEXT"
TITLE="	  System Management Functions"
HREF="compat-uitron-system-mgmt-functions.html"></HEAD
><BODY
CLASS="SECT1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>eCos Reference Manual</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="compat-uitron-memory-pool-mgmt-functions.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 32. &micro;ITRON API</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="compat-uitron-system-mgmt-functions.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="COMPAT-UITRON-TIME-MGMT-FUNCTIONS">Time Management Functions</H1
><P
>These functions are fully supported in this release: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>set_tim</TT
>( 
    SYSTIME *<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>pk_tim</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><DIV
CLASS="CAUTION"
><P
></P
><TABLE
CLASS="CAUTION"
BORDER="1"
WIDTH="100%"
><TR
><TD
ALIGN="CENTER"
><B
>Caution</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>	    Setting the time may cause erroneous operation of the
	    kernel, for example a task performing a wait with a
	    time-out may never awaken.</P
></TD
></TR
></TABLE
></DIV
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>get_tim</TT
>( 
    SYSTIME *<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>pk_tim</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>dly_tsk</TT
>( 
    DLYTIME <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>dlytim</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>def_cyc</TT
>( 
    HNO <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>cycno,</I
></SPAN
>    T_DCYC *<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>pk_dcyc</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>act_cyc</TT
>( 
    HNO <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>cycno,</I
></SPAN
>    UINT <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>cycact</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>ref_cyc</TT
>( 
    T_RCYC *<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>pk_rcyc,</I
></SPAN
>    HNO <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>cycno</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>def_alm</TT
>( 
    HNO <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>almno,</I
></SPAN
>    T_DALM *<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>pk_dalm</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>ER <TT
CLASS="FUNCTION"
>ref_alm</TT
>( 
    T_RALM *<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>pk_ralm,</I
></SPAN
>    HNO <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>almno</I
></SPAN
> )</PRE
></TD
></TR
></TABLE
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void <TT
CLASS="FUNCTION"
>ret_tmr</TT
>( void )</PRE
></TD
></TR
></TABLE
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN14010">Error checking</H2
><P
>The following conditions are only checked for, and only return
errors if 
<TT
CLASS="LITERAL"
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
>
is enabled:</P
><P
></P
><UL
><LI
><P
>invalid handler number; less than 1 or greater than 
<TT
CLASS="LITERAL"
>CYGNUM_UITRON_CYCLICS/ALARMS</TT
>
as appropriate, or E_PAR</P
></LI
><LI
><P
>dispatching is enabled in 
<TT
CLASS="FUNCTION"
>dly_tsk()</TT
>
, or E_CTX</P
></LI
><LI
><P
>dlytim must be positive or zero, otherwise E_PAR</P
></LI
><LI
><P
>return value pointer in 
<TT
CLASS="FUNCTION"
>ref_xxx()</TT
>
 is a valid pointer, or E_PAR</P
></LI
><LI
><P
>params within pk_dalm and pk_dcyc must
be valid, or E_PAR</P
></LI
><LI
><P
>cycact in 
<TT
CLASS="FUNCTION"
>act_cyc()</TT
>
 must be valid, or E_PAR</P
></LI
><LI
><P
>handler must be defined in 
<TT
CLASS="FUNCTION"
>ref_xxx()</TT
>
 and 
<TT
CLASS="FUNCTION"
>act_cyc()</TT
>
, or E_NOEXS</P
></LI
><LI
><P
>parameter pointer must be a good pointer in 
<TT
CLASS="FUNCTION"
>get_tim()</TT
>
 and 
<TT
CLASS="FUNCTION"
>set_tim()</TT
>
, otherwise E_PAR is returned</P
></LI
></UL
><P
>The following conditions are checked for, and can return
	  error codes, regardless of the setting of
<TT
CLASS="LITERAL"
>CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS</TT
>
:</P
><P
></P
><UL
><LI
><P
><TT
CLASS="FUNCTION"
>dly_tsk()</TT
>
: return code E_RLWAI is returned depending on the reason
for terminating the sleep</P
></LI
></UL
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="compat-uitron-memory-pool-mgmt-functions.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-ref.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="compat-uitron-system-mgmt-functions.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Memory pool Management Functions</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="compat-uitron-microitron-api.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>System Management Functions</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.