You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
755 lines
73 KiB
HTML
755 lines
73 KiB
HTML
4 years ago
|
<!-- HTML header for doxygen 1.8.7-->
|
||
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
||
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
||
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
||
|
|
<meta name="generator" content="Doxygen 1.6.3"/>
|
||
|
|
<!--BEGIN PROJECT_NAME--><title>avr-libc: avr-libc: wdt.h Source File</title><!--END PROJECT_NAME-->
|
||
|
|
<!--BEGIN !PROJECT_NAME--><title>avr-libc: wdt.h Source File</title><!--END !PROJECT_NAME-->
|
||
|
|
<link href="$relpath^tabs.css" rel="stylesheet" type="text/css"/>
|
||
|
|
<script type="text/javascript" src="$relpath^jquery.js"></script>
|
||
|
|
<script type="text/javascript" src="$relpath^dynsections.js"></script>
|
||
|
|
$treeview
|
||
|
|
$search
|
||
|
|
$mathjax
|
||
|
|
<link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
|
||
|
|
$extrastylesheet
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
||
|
|
|
||
|
|
<!--BEGIN TITLEAREA-->
|
||
|
|
<div id="titlearea">
|
||
|
|
<table cellspacing="0" cellpadding="0">
|
||
|
|
<tbody>
|
||
|
|
<tr style="height: 56px;">
|
||
|
|
<!--BEGIN PROJECT_LOGO-->
|
||
|
|
<td id="projectlogo"><img alt="Logo" src="$relpath^$projectlogo"/></td>
|
||
|
|
<!--END PROJECT_LOGO-->
|
||
|
|
<!--BEGIN PROJECT_NAME-->
|
||
|
|
<td style="padding-left: 0.5em;">
|
||
|
|
<div id="projectname">avr-libc
|
||
|
|
<!--BEGIN PROJECT_NUMBER--> <span id="projectnumber">2.0.0</span><!--END PROJECT_NUMBER-->
|
||
|
|
</div>
|
||
|
|
<!--BEGIN PROJECT_BRIEF--><div id="projectbrief">$projectbrief</div><!--END PROJECT_BRIEF-->
|
||
|
|
</td>
|
||
|
|
<!--END PROJECT_NAME-->
|
||
|
|
<!--BEGIN !PROJECT_NAME-->
|
||
|
|
<!--BEGIN PROJECT_BRIEF-->
|
||
|
|
<td style="padding-left: 0.5em;">
|
||
|
|
<div id="projectbrief">$projectbrief</div>
|
||
|
|
</td>
|
||
|
|
<!--END PROJECT_BRIEF-->
|
||
|
|
<!--END !PROJECT_NAME-->
|
||
|
|
<!--BEGIN DISABLE_INDEX-->
|
||
|
|
<!--BEGIN SEARCHENGINE-->
|
||
|
|
<td>$searchbox</td>
|
||
|
|
<!--END SEARCHENGINE-->
|
||
|
|
<!--END DISABLE_INDEX-->
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<table>
|
||
|
|
<tr>
|
||
|
|
<td align="left"><a href="http://www.nongnu.org/avr-libc/"><h2>AVR Libc Home Page</h2></a></td>
|
||
|
|
<td align="center" colspan=4><img src="avrs.png" alt="AVRs" align="middle" border="0"></td>
|
||
|
|
<td align="right"><a href="https://savannah.nongnu.org/projects/avr-libc/"><h2>AVR Libc Development Pages</h2></a></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td align="center" width="20%"><a href="index.html"><h2>Main Page</h2></a></td>
|
||
|
|
<td align="center" width="20%"><a href="pages.html"><h2>User Manual</h2></a></td>
|
||
|
|
<td align="center" width="20%"><a href="modules.html"><h2>Library Reference</h2></a></td>
|
||
|
|
<td align="center" width="20%"><a href="FAQ.html"><h2>FAQ</h2></a></td>
|
||
|
|
<td align="center" width="20%"><a href="group__demos.html"><h2>Example Projects</h2></a></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</div>
|
||
|
|
<!--END TITLEAREA-->
|
||
|
|
<!-- end header part -->
|
||
|
|
<!-- Generated by Doxygen 1.6.3 -->
|
||
|
|
<script type="text/javascript"><!--
|
||
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||
|
|
--></script>
|
||
|
|
<h1>wdt.h</h1><a href="wdt_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright (c) 2002, 2004 Marek Michalkiewicz</span>
|
||
|
|
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2005, 2006, 2007 Eric B. Weddington</span>
|
||
|
|
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
|
||
|
|
<a name="l00004"></a>00004 <span class="comment"></span>
|
||
|
|
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without</span>
|
||
|
|
<a name="l00006"></a>00006 <span class="comment"> modification, are permitted provided that the following conditions are met:</span>
|
||
|
|
<a name="l00007"></a>00007 <span class="comment"></span>
|
||
|
|
<a name="l00008"></a>00008 <span class="comment"> * Redistributions of source code must retain the above copyright</span>
|
||
|
|
<a name="l00009"></a>00009 <span class="comment"> notice, this list of conditions and the following disclaimer.</span>
|
||
|
|
<a name="l00010"></a>00010 <span class="comment"></span>
|
||
|
|
<a name="l00011"></a>00011 <span class="comment"> * Redistributions in binary form must reproduce the above copyright</span>
|
||
|
|
<a name="l00012"></a>00012 <span class="comment"> notice, this list of conditions and the following disclaimer in</span>
|
||
|
|
<a name="l00013"></a>00013 <span class="comment"> the documentation and/or other materials provided with the</span>
|
||
|
|
<a name="l00014"></a>00014 <span class="comment"> distribution.</span>
|
||
|
|
<a name="l00015"></a>00015 <span class="comment"></span>
|
||
|
|
<a name="l00016"></a>00016 <span class="comment"> * Neither the name of the copyright holders nor the names of</span>
|
||
|
|
<a name="l00017"></a>00017 <span class="comment"> contributors may be used to endorse or promote products derived</span>
|
||
|
|
<a name="l00018"></a>00018 <span class="comment"> from this software without specific prior written permission.</span>
|
||
|
|
<a name="l00019"></a>00019 <span class="comment"></span>
|
||
|
|
<a name="l00020"></a>00020 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span>
|
||
|
|
<a name="l00021"></a>00021 <span class="comment"> AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
|
||
|
|
<a name="l00022"></a>00022 <span class="comment"> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
|
||
|
|
<a name="l00023"></a>00023 <span class="comment"> ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span>
|
||
|
|
<a name="l00024"></a>00024 <span class="comment"> LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span>
|
||
|
|
<a name="l00025"></a>00025 <span class="comment"> CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span>
|
||
|
|
<a name="l00026"></a>00026 <span class="comment"> SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
|
||
|
|
<a name="l00027"></a>00027 <span class="comment"> INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span>
|
||
|
|
<a name="l00028"></a>00028 <span class="comment"> CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span>
|
||
|
|
<a name="l00029"></a>00029 <span class="comment"> ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span>
|
||
|
|
<a name="l00030"></a>00030 <span class="comment"> POSSIBILITY OF SUCH DAMAGE. */</span>
|
||
|
|
<a name="l00031"></a>00031
|
||
|
|
<a name="l00032"></a>00032 <span class="comment">/* $Id$ */</span>
|
||
|
|
<a name="l00033"></a>00033
|
||
|
|
<a name="l00034"></a>00034 <span class="comment">/*</span>
|
||
|
|
<a name="l00035"></a>00035 <span class="comment"> avr/wdt.h - macros for AVR watchdog timer</span>
|
||
|
|
<a name="l00036"></a>00036 <span class="comment"> */</span>
|
||
|
|
<a name="l00037"></a>00037
|
||
|
|
<a name="l00038"></a>00038 <span class="preprocessor">#ifndef _AVR_WDT_H_</span>
|
||
|
|
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#define _AVR_WDT_H_</span>
|
||
|
|
<a name="l00040"></a>00040 <span class="preprocessor"></span>
|
||
|
|
<a name="l00041"></a>00041 <span class="preprocessor">#include <<a class="code" href="io_8h.html">avr/io.h</a>></span>
|
||
|
|
<a name="l00042"></a>00042 <span class="preprocessor">#include <<a class="code" href="stdint_8h.html">stdint.h</a>></span>
|
||
|
|
<a name="l00043"></a>00043 <span class="comment"></span>
|
||
|
|
<a name="l00044"></a>00044 <span class="comment">/** \file */</span><span class="comment"></span>
|
||
|
|
<a name="l00045"></a>00045 <span class="comment">/** \defgroup avr_watchdog <avr/wdt.h>: Watchdog timer handling</span>
|
||
|
|
<a name="l00046"></a>00046 <span class="comment"> \code #include <avr/wdt.h> \endcode</span>
|
||
|
|
<a name="l00047"></a>00047 <span class="comment"></span>
|
||
|
|
<a name="l00048"></a>00048 <span class="comment"> This header file declares the interface to some inline macros</span>
|
||
|
|
<a name="l00049"></a>00049 <span class="comment"> handling the watchdog timer present in many AVR devices. In order</span>
|
||
|
|
<a name="l00050"></a>00050 <span class="comment"> to prevent the watchdog timer configuration from being</span>
|
||
|
|
<a name="l00051"></a>00051 <span class="comment"> accidentally altered by a crashing application, a special timed</span>
|
||
|
|
<a name="l00052"></a>00052 <span class="comment"> sequence is required in order to change it. The macros within</span>
|
||
|
|
<a name="l00053"></a>00053 <span class="comment"> this header file handle the required sequence automatically</span>
|
||
|
|
<a name="l00054"></a>00054 <span class="comment"> before changing any value. Interrupts will be disabled during</span>
|
||
|
|
<a name="l00055"></a>00055 <span class="comment"> the manipulation.</span>
|
||
|
|
<a name="l00056"></a>00056 <span class="comment"></span>
|
||
|
|
<a name="l00057"></a>00057 <span class="comment"> \note Depending on the fuse configuration of the particular</span>
|
||
|
|
<a name="l00058"></a>00058 <span class="comment"> device, further restrictions might apply, in particular it might</span>
|
||
|
|
<a name="l00059"></a>00059 <span class="comment"> be disallowed to turn off the watchdog timer.</span>
|
||
|
|
<a name="l00060"></a>00060 <span class="comment"></span>
|
||
|
|
<a name="l00061"></a>00061 <span class="comment"> Note that for newer devices (ATmega88 and newer, effectively any</span>
|
||
|
|
<a name="l00062"></a>00062 <span class="comment"> AVR that has the option to also generate interrupts), the watchdog</span>
|
||
|
|
<a name="l00063"></a>00063 <span class="comment"> timer remains active even after a system reset (except a power-on</span>
|
||
|
|
<a name="l00064"></a>00064 <span class="comment"> condition), using the fastest prescaler value (approximately 15</span>
|
||
|
|
<a name="l00065"></a>00065 <span class="comment"> ms). It is therefore required to turn off the watchdog early</span>
|
||
|
|
<a name="l00066"></a>00066 <span class="comment"> during program startup, the datasheet recommends a sequence like</span>
|
||
|
|
<a name="l00067"></a>00067 <span class="comment"> the following:</span>
|
||
|
|
<a name="l00068"></a>00068 <span class="comment"></span>
|
||
|
|
<a name="l00069"></a>00069 <span class="comment"> \code</span>
|
||
|
|
<a name="l00070"></a>00070 <span class="comment"> #include <stdint.h></span>
|
||
|
|
<a name="l00071"></a>00071 <span class="comment"> #include <avr/wdt.h></span>
|
||
|
|
<a name="l00072"></a>00072 <span class="comment"></span>
|
||
|
|
<a name="l00073"></a>00073 <span class="comment"> uint8_t mcusr_mirror __attribute__ ((section (".noinit")));</span>
|
||
|
|
<a name="l00074"></a>00074 <span class="comment"></span>
|
||
|
|
<a name="l00075"></a>00075 <span class="comment"> void get_mcusr(void) \</span>
|
||
|
|
<a name="l00076"></a>00076 <span class="comment"> __attribute__((naked)) \</span>
|
||
|
|
<a name="l00077"></a>00077 <span class="comment"> __attribute__((section(".init3")));</span>
|
||
|
|
<a name="l00078"></a>00078 <span class="comment"> void get_mcusr(void)</span>
|
||
|
|
<a name="l00079"></a>00079 <span class="comment"> {</span>
|
||
|
|
<a name="l00080"></a>00080 <span class="comment"> mcusr_mirror = MCUSR;</span>
|
||
|
|
<a name="l00081"></a>00081 <span class="comment"> MCUSR = 0;</span>
|
||
|
|
<a name="l00082"></a>00082 <span class="comment"> wdt_disable();</span>
|
||
|
|
<a name="l00083"></a>00083 <span class="comment"> }</span>
|
||
|
|
<a name="l00084"></a>00084 <span class="comment"> \endcode</span>
|
||
|
|
<a name="l00085"></a>00085 <span class="comment"></span>
|
||
|
|
<a name="l00086"></a>00086 <span class="comment"> Saving the value of MCUSR in \c mcusr_mirror is only needed if the</span>
|
||
|
|
<a name="l00087"></a>00087 <span class="comment"> application later wants to examine the reset source, but in particular, </span>
|
||
|
|
<a name="l00088"></a>00088 <span class="comment"> clearing the watchdog reset flag before disabling the</span>
|
||
|
|
<a name="l00089"></a>00089 <span class="comment"> watchdog is required, according to the datasheet.</span>
|
||
|
|
<a name="l00090"></a>00090 <span class="comment">*/</span>
|
||
|
|
<a name="l00091"></a>00091 <span class="comment"></span>
|
||
|
|
<a name="l00092"></a>00092 <span class="comment">/**</span>
|
||
|
|
<a name="l00093"></a>00093 <span class="comment"> \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00094"></a>00094 <span class="comment"> Reset the watchdog timer. When the watchdog timer is enabled,</span>
|
||
|
|
<a name="l00095"></a>00095 <span class="comment"> a call to this instruction is required before the timer expires,</span>
|
||
|
|
<a name="l00096"></a>00096 <span class="comment"> otherwise a watchdog-initiated device reset will occur. </span>
|
||
|
|
<a name="l00097"></a>00097 <span class="comment">*/</span>
|
||
|
|
<a name="l00098"></a>00098
|
||
|
|
<a name="l00099"></a><a class="code" href="group__avr__watchdog.html#ga9e52c54d10b6a6a7ce04aaaa4abea51f">00099</a> <span class="preprocessor">#define wdt_reset() __asm__ __volatile__ ("wdr")</span>
|
||
|
|
<a name="l00100"></a>00100 <span class="preprocessor"></span>
|
||
|
|
<a name="l00101"></a>00101 <span class="preprocessor">#ifndef __DOXYGEN__</span>
|
||
|
|
<a name="l00102"></a>00102 <span class="preprocessor"></span>
|
||
|
|
<a name="l00103"></a>00103 <span class="preprocessor">#if defined(WDP3)</span>
|
||
|
|
<a name="l00104"></a>00104 <span class="preprocessor"></span><span class="preprocessor"># define _WD_PS3_MASK _BV(WDP3)</span>
|
||
|
|
<a name="l00105"></a>00105 <span class="preprocessor"></span><span class="preprocessor">#else</span>
|
||
|
|
<a name="l00106"></a>00106 <span class="preprocessor"></span><span class="preprocessor"># define _WD_PS3_MASK 0x00</span>
|
||
|
|
<a name="l00107"></a>00107 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
|
||
|
|
<a name="l00108"></a>00108 <span class="preprocessor"></span>
|
||
|
|
<a name="l00109"></a>00109 <span class="preprocessor">#if defined(WDTCSR)</span>
|
||
|
|
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="preprocessor"># define _WD_CONTROL_REG WDTCSR</span>
|
||
|
|
<a name="l00111"></a>00111 <span class="preprocessor"></span><span class="preprocessor">#elif defined(WDTCR)</span>
|
||
|
|
<a name="l00112"></a>00112 <span class="preprocessor"></span><span class="preprocessor"># define _WD_CONTROL_REG WDTCR</span>
|
||
|
|
<a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor">#else</span>
|
||
|
|
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor"># define _WD_CONTROL_REG WDT</span>
|
||
|
|
<a name="l00115"></a>00115 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
|
||
|
|
<a name="l00116"></a>00116 <span class="preprocessor"></span>
|
||
|
|
<a name="l00117"></a>00117 <span class="preprocessor">#if defined(WDTOE)</span>
|
||
|
|
<a name="l00118"></a>00118 <span class="preprocessor"></span><span class="preprocessor">#define _WD_CHANGE_BIT WDTOE</span>
|
||
|
|
<a name="l00119"></a>00119 <span class="preprocessor"></span><span class="preprocessor">#else</span>
|
||
|
|
<a name="l00120"></a>00120 <span class="preprocessor"></span><span class="preprocessor">#define _WD_CHANGE_BIT WDCE</span>
|
||
|
|
<a name="l00121"></a>00121 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
|
||
|
|
<a name="l00122"></a>00122 <span class="preprocessor"></span>
|
||
|
|
<a name="l00123"></a>00123 <span class="preprocessor">#endif </span><span class="comment">/* !__DOXYGEN__ */</span>
|
||
|
|
<a name="l00124"></a>00124
|
||
|
|
<a name="l00125"></a>00125 <span class="comment"></span>
|
||
|
|
<a name="l00126"></a>00126 <span class="comment">/**</span>
|
||
|
|
<a name="l00127"></a>00127 <span class="comment"> \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00128"></a>00128 <span class="comment"> Enable the watchdog timer, configuring it for expiry after</span>
|
||
|
|
<a name="l00129"></a>00129 <span class="comment"> \c timeout (which is a combination of the \c WDP0 through</span>
|
||
|
|
<a name="l00130"></a>00130 <span class="comment"> \c WDP2 bits to write into the \c WDTCR register; For those devices </span>
|
||
|
|
<a name="l00131"></a>00131 <span class="comment"> that have a \c WDTCSR register, it uses the combination of the \c WDP0 </span>
|
||
|
|
<a name="l00132"></a>00132 <span class="comment"> through \c WDP3 bits).</span>
|
||
|
|
<a name="l00133"></a>00133 <span class="comment"></span>
|
||
|
|
<a name="l00134"></a>00134 <span class="comment"> See also the symbolic constants \c WDTO_15MS et al.</span>
|
||
|
|
<a name="l00135"></a>00135 <span class="comment">*/</span>
|
||
|
|
<a name="l00136"></a>00136
|
||
|
|
<a name="l00137"></a>00137
|
||
|
|
<a name="l00138"></a>00138 <span class="preprocessor">#if defined(__AVR_XMEGA__)</span>
|
||
|
|
<a name="l00139"></a>00139 <span class="preprocessor"></span>
|
||
|
|
<a name="l00140"></a>00140 <span class="preprocessor">#if defined (WDT_CTRLA) && !defined(RAMPD)</span>
|
||
|
|
<a name="l00141"></a>00141 <span class="preprocessor"></span>
|
||
|
|
<a name="l00142"></a>00142 <span class="preprocessor">#define wdt_enable(timeout) \</span>
|
||
|
|
<a name="l00143"></a>00143 <span class="preprocessor">do { \</span>
|
||
|
|
<a name="l00144"></a>00144 <span class="preprocessor">uint8_t temp; \</span>
|
||
|
|
<a name="l00145"></a>00145 <span class="preprocessor">__asm__ __volatile__ ( \</span>
|
||
|
|
<a name="l00146"></a>00146 <span class="preprocessor"> "wdr" "\n\t" \</span>
|
||
|
|
<a name="l00147"></a>00147 <span class="preprocessor"> "out %[ccp_reg], %[ioreg_cen_mask]" "\n\t" \</span>
|
||
|
|
<a name="l00148"></a>00148 <span class="preprocessor"> "lds %[tmp], %[wdt_reg]" "\n\t" \</span>
|
||
|
|
<a name="l00149"></a>00149 <span class="preprocessor"> "sbr %[tmp], %[wdt_enable_timeout]" "\n\t" \</span>
|
||
|
|
<a name="l00150"></a>00150 <span class="preprocessor"> "sts %[wdt_reg], %[tmp]" "\n\t" \</span>
|
||
|
|
<a name="l00151"></a>00151 <span class="preprocessor"> "1:lds %[tmp], %[wdt_status_reg]" "\n\t" \</span>
|
||
|
|
<a name="l00152"></a>00152 <span class="preprocessor"> "sbrc %[tmp], %[wdt_syncbusy_bit]" "\n\t" \</span>
|
||
|
|
<a name="l00153"></a>00153 <span class="preprocessor"> "rjmp 1b" "\n\t" \</span>
|
||
|
|
<a name="l00154"></a>00154 <span class="preprocessor"> : [tmp] "=r" (temp) \</span>
|
||
|
|
<a name="l00155"></a>00155 <span class="preprocessor"> : [ccp_reg] "I" (_SFR_IO_ADDR(CCP)), \</span>
|
||
|
|
<a name="l00156"></a>00156 <span class="preprocessor"> [ioreg_cen_mask] "r" ((uint8_t)CCP_IOREG_gc), \</span>
|
||
|
|
<a name="l00157"></a>00157 <span class="preprocessor"> [wdt_reg] "n" (_SFR_MEM_ADDR(WDT_CTRLA)), \</span>
|
||
|
|
<a name="l00158"></a>00158 <span class="preprocessor"> [wdt_enable_timeout] "M" (timeout), \</span>
|
||
|
|
<a name="l00159"></a>00159 <span class="preprocessor"> [wdt_status_reg] "n" (_SFR_MEM_ADDR(WDT_STATUS)), \</span>
|
||
|
|
<a name="l00160"></a>00160 <span class="preprocessor"> [wdt_syncbusy_bit] "I" (WDT_SYNCBUSY_bm) \</span>
|
||
|
|
<a name="l00161"></a>00161 <span class="preprocessor">); \</span>
|
||
|
|
<a name="l00162"></a>00162 <span class="preprocessor">} while(0)</span>
|
||
|
|
<a name="l00163"></a>00163 <span class="preprocessor"></span>
|
||
|
|
<a name="l00164"></a>00164 <span class="preprocessor">#define wdt_disable() \</span>
|
||
|
|
<a name="l00165"></a>00165 <span class="preprocessor">do { \</span>
|
||
|
|
<a name="l00166"></a>00166 <span class="preprocessor">uint8_t temp; \</span>
|
||
|
|
<a name="l00167"></a>00167 <span class="preprocessor">__asm__ __volatile__ ( \</span>
|
||
|
|
<a name="l00168"></a>00168 <span class="preprocessor"> "wdr" "\n\t" \</span>
|
||
|
|
<a name="l00169"></a>00169 <span class="preprocessor"> "out %[ccp_reg], %[ioreg_cen_mask]" "\n\t" \</span>
|
||
|
|
<a name="l00170"></a>00170 <span class="preprocessor"> "lds %[tmp], %[wdt_reg]" "\n\t" \</span>
|
||
|
|
<a name="l00171"></a>00171 <span class="preprocessor"> "cbr %[tmp], %[timeout_mask]" "\n\t" \</span>
|
||
|
|
<a name="l00172"></a>00172 <span class="preprocessor"> "sts %[wdt_reg], %[tmp]" "\n\t" \</span>
|
||
|
|
<a name="l00173"></a>00173 <span class="preprocessor"> : [tmp] "=r" (temp) \</span>
|
||
|
|
<a name="l00174"></a>00174 <span class="preprocessor"> : [ccp_reg] "I" (_SFR_IO_ADDR(CCP)), \</span>
|
||
|
|
<a name="l00175"></a>00175 <span class="preprocessor"> [ioreg_cen_mask] "r" ((uint8_t)CCP_IOREG_gc), \</span>
|
||
|
|
<a name="l00176"></a>00176 <span class="preprocessor"> [wdt_reg] "n" (_SFR_MEM_ADDR(WDT_CTRLA)),\</span>
|
||
|
|
<a name="l00177"></a>00177 <span class="preprocessor"> [timeout_mask] "I" (WDT_PERIOD_gm) \</span>
|
||
|
|
<a name="l00178"></a>00178 <span class="preprocessor">); \</span>
|
||
|
|
<a name="l00179"></a>00179 <span class="preprocessor">} while(0)</span>
|
||
|
|
<a name="l00180"></a>00180 <span class="preprocessor"></span>
|
||
|
|
<a name="l00181"></a>00181 <span class="preprocessor">#else // defined (WDT_CTRLA) && !defined(RAMPD)</span>
|
||
|
|
<a name="l00182"></a>00182 <span class="preprocessor"></span>
|
||
|
|
<a name="l00183"></a>00183 <span class="comment">/*</span>
|
||
|
|
<a name="l00184"></a>00184 <span class="comment"> wdt_enable(timeout) for xmega devices</span>
|
||
|
|
<a name="l00185"></a>00185 <span class="comment">** write signature (CCP_IOREG_gc) that enables change of protected I/O</span>
|
||
|
|
<a name="l00186"></a>00186 <span class="comment"> registers to the CCP register</span>
|
||
|
|
<a name="l00187"></a>00187 <span class="comment">** At the same time,</span>
|
||
|
|
<a name="l00188"></a>00188 <span class="comment"> 1) set WDT change enable (WDT_CEN_bm)</span>
|
||
|
|
<a name="l00189"></a>00189 <span class="comment"> 2) enable WDT (WDT_ENABLE_bm)</span>
|
||
|
|
<a name="l00190"></a>00190 <span class="comment"> 3) set timeout (timeout)</span>
|
||
|
|
<a name="l00191"></a>00191 <span class="comment">** Synchronization starts when ENABLE bit of WDT is set. So, wait till it</span>
|
||
|
|
<a name="l00192"></a>00192 <span class="comment"> finishes (SYNCBUSY of STATUS register is automatically cleared after the</span>
|
||
|
|
<a name="l00193"></a>00193 <span class="comment"> sync is finished).</span>
|
||
|
|
<a name="l00194"></a>00194 <span class="comment">*/</span>
|
||
|
|
<a name="l00195"></a>00195 <span class="preprocessor">#define wdt_enable(timeout) \</span>
|
||
|
|
<a name="l00196"></a>00196 <span class="preprocessor">do { \</span>
|
||
|
|
<a name="l00197"></a>00197 <span class="preprocessor">uint8_t temp; \</span>
|
||
|
|
<a name="l00198"></a>00198 <span class="preprocessor">__asm__ __volatile__ ( \</span>
|
||
|
|
<a name="l00199"></a>00199 <span class="preprocessor"> "in __tmp_reg__, %[rampd]" "\n\t" \</span>
|
||
|
|
<a name="l00200"></a>00200 <span class="preprocessor"> "out %[rampd], __zero_reg__" "\n\t" \</span>
|
||
|
|
<a name="l00201"></a>00201 <span class="preprocessor"> "out %[ccp_reg], %[ioreg_cen_mask]" "\n\t" \</span>
|
||
|
|
<a name="l00202"></a>00202 <span class="preprocessor"> "sts %[wdt_reg], %[wdt_enable_timeout]" "\n\t" \</span>
|
||
|
|
<a name="l00203"></a>00203 <span class="preprocessor"> "1:lds %[tmp], %[wdt_status_reg]" "\n\t" \</span>
|
||
|
|
<a name="l00204"></a>00204 <span class="preprocessor"> "sbrc %[tmp], %[wdt_syncbusy_bit]" "\n\t" \</span>
|
||
|
|
<a name="l00205"></a>00205 <span class="preprocessor"> "rjmp 1b" "\n\t" \</span>
|
||
|
|
<a name="l00206"></a>00206 <span class="preprocessor"> "out %[rampd], __tmp_reg__" "\n\t" \</span>
|
||
|
|
<a name="l00207"></a>00207 <span class="preprocessor"> : [tmp] "=r" (temp) \</span>
|
||
|
|
<a name="l00208"></a>00208 <span class="preprocessor"> : [rampd] "I" (_SFR_IO_ADDR(RAMPD)), \</span>
|
||
|
|
<a name="l00209"></a>00209 <span class="preprocessor"> [ccp_reg] "I" (_SFR_IO_ADDR(CCP)), \</span>
|
||
|
|
<a name="l00210"></a>00210 <span class="preprocessor"> [ioreg_cen_mask] "r" ((uint8_t)CCP_IOREG_gc), \</span>
|
||
|
|
<a name="l00211"></a>00211 <span class="preprocessor"> [wdt_reg] "n" (_SFR_MEM_ADDR(WDT_CTRL)), \</span>
|
||
|
|
<a name="l00212"></a>00212 <span class="preprocessor"> [wdt_enable_timeout] "r" ((uint8_t)(WDT_CEN_bm | WDT_ENABLE_bm | timeout)), \</span>
|
||
|
|
<a name="l00213"></a>00213 <span class="preprocessor"> [wdt_status_reg] "n" (_SFR_MEM_ADDR(WDT_STATUS)), \</span>
|
||
|
|
<a name="l00214"></a>00214 <span class="preprocessor"> [wdt_syncbusy_bit] "I" (WDT_SYNCBUSY_bm) \</span>
|
||
|
|
<a name="l00215"></a>00215 <span class="preprocessor"> : "r0" \</span>
|
||
|
|
<a name="l00216"></a>00216 <span class="preprocessor">); \</span>
|
||
|
|
<a name="l00217"></a>00217 <span class="preprocessor">} while(0)</span>
|
||
|
|
<a name="l00218"></a>00218 <span class="preprocessor"></span>
|
||
|
|
<a name="l00219"></a>00219 <span class="preprocessor">#define wdt_disable() \</span>
|
||
|
|
<a name="l00220"></a>00220 <span class="preprocessor">__asm__ __volatile__ ( \</span>
|
||
|
|
<a name="l00221"></a>00221 <span class="preprocessor"> "in __tmp_reg__, %[rampd]" "\n\t" \</span>
|
||
|
|
<a name="l00222"></a>00222 <span class="preprocessor"> "out %[rampd], __zero_reg__" "\n\t" \</span>
|
||
|
|
<a name="l00223"></a>00223 <span class="preprocessor"> "out %[ccp_reg], %[ioreg_cen_mask]" "\n\t" \</span>
|
||
|
|
<a name="l00224"></a>00224 <span class="preprocessor"> "sts %[wdt_reg], %[disable_mask]" "\n\t" \</span>
|
||
|
|
<a name="l00225"></a>00225 <span class="preprocessor"> "out %[rampd], __tmp_reg__" "\n\t" \</span>
|
||
|
|
<a name="l00226"></a>00226 <span class="preprocessor"> : \</span>
|
||
|
|
<a name="l00227"></a>00227 <span class="preprocessor"> : [rampd] "I" (_SFR_IO_ADDR(RAMPD)), \</span>
|
||
|
|
<a name="l00228"></a>00228 <span class="preprocessor"> [ccp_reg] "I" (_SFR_IO_ADDR(CCP)), \</span>
|
||
|
|
<a name="l00229"></a>00229 <span class="preprocessor"> [ioreg_cen_mask] "r" ((uint8_t)CCP_IOREG_gc), \</span>
|
||
|
|
<a name="l00230"></a>00230 <span class="preprocessor"> [wdt_reg] "n" (_SFR_MEM_ADDR(WDT_CTRL)), \</span>
|
||
|
|
<a name="l00231"></a>00231 <span class="preprocessor"> [disable_mask] "r" ((uint8_t)((~WDT_ENABLE_bm) | WDT_CEN_bm)) \</span>
|
||
|
|
<a name="l00232"></a>00232 <span class="preprocessor"> : "r0" \</span>
|
||
|
|
<a name="l00233"></a>00233 <span class="preprocessor">);</span>
|
||
|
|
<a name="l00234"></a>00234 <span class="preprocessor"></span>
|
||
|
|
<a name="l00235"></a>00235 <span class="preprocessor">#endif // defined (WDT_CTRLA) && !defined(RAMPD)</span>
|
||
|
|
<a name="l00236"></a>00236 <span class="preprocessor"></span>
|
||
|
|
<a name="l00237"></a>00237 <span class="preprocessor">#elif defined(__AVR_TINY__)</span>
|
||
|
|
<a name="l00238"></a>00238 <span class="preprocessor"></span>
|
||
|
|
<a name="l00239"></a>00239 <span class="preprocessor">#define wdt_enable(value) \</span>
|
||
|
|
<a name="l00240"></a>00240 <span class="preprocessor">__asm__ __volatile__ ( \</span>
|
||
|
|
<a name="l00241"></a>00241 <span class="preprocessor"> "in __tmp_reg__,__SREG__" "\n\t" \</span>
|
||
|
|
<a name="l00242"></a>00242 <span class="preprocessor"> "cli" "\n\t" \</span>
|
||
|
|
<a name="l00243"></a>00243 <span class="preprocessor"> "wdr" "\n\t" \</span>
|
||
|
|
<a name="l00244"></a>00244 <span class="preprocessor"> "out %[CCPADDRESS],%[SIGNATURE]" "\n\t" \</span>
|
||
|
|
<a name="l00245"></a>00245 <span class="preprocessor"> "out %[WDTREG],%[WDVALUE]" "\n\t" \</span>
|
||
|
|
<a name="l00246"></a>00246 <span class="preprocessor"> "out __SREG__,__tmp_reg__" "\n\t" \</span>
|
||
|
|
<a name="l00247"></a>00247 <span class="preprocessor"> : </span><span class="comment">/* no outputs */</span> \
|
||
|
|
<a name="l00248"></a>00248 : [CCPADDRESS] "I" (_SFR_IO_ADDR(CCP)), \
|
||
|
|
<a name="l00249"></a>00249 [SIGNATURE] "r" ((uint8_t)0xD8), \
|
||
|
|
<a name="l00250"></a>00250 [WDTREG] "I" (_SFR_IO_ADDR(_WD_CONTROL_REG)), \
|
||
|
|
<a name="l00251"></a>00251 [WDVALUE] "r" ((uint8_t)((value & 0x08 ? _WD_PS3_MASK : 0x00) \
|
||
|
|
<a name="l00252"></a>00252 | _BV(WDE) | (value & 0x07) )) \
|
||
|
|
<a name="l00253"></a>00253 : "r16" \
|
||
|
|
<a name="l00254"></a>00254 )
|
||
|
|
<a name="l00255"></a>00255
|
||
|
|
<a name="l00256"></a>00256 <span class="preprocessor">#define wdt_disable() \</span>
|
||
|
|
<a name="l00257"></a>00257 <span class="preprocessor">do { \</span>
|
||
|
|
<a name="l00258"></a>00258 <span class="preprocessor">uint8_t temp_wd; \</span>
|
||
|
|
<a name="l00259"></a>00259 <span class="preprocessor">__asm__ __volatile__ ( \</span>
|
||
|
|
<a name="l00260"></a>00260 <span class="preprocessor"> "in __tmp_reg__,__SREG__" "\n\t" \</span>
|
||
|
|
<a name="l00261"></a>00261 <span class="preprocessor"> "cli" "\n\t" \</span>
|
||
|
|
<a name="l00262"></a>00262 <span class="preprocessor"> "wdr" "\n\t" \</span>
|
||
|
|
<a name="l00263"></a>00263 <span class="preprocessor"> "out %[CCPADDRESS],%[SIGNATURE]" "\n\t" \</span>
|
||
|
|
<a name="l00264"></a>00264 <span class="preprocessor"> "in %[TEMP_WD],%[WDTREG]" "\n\t" \</span>
|
||
|
|
<a name="l00265"></a>00265 <span class="preprocessor"> "cbr %[TEMP_WD],%[WDVALUE]" "\n\t" \</span>
|
||
|
|
<a name="l00266"></a>00266 <span class="preprocessor"> "out %[WDTREG],%[TEMP_WD]" "\n\t" \</span>
|
||
|
|
<a name="l00267"></a>00267 <span class="preprocessor"> "out __SREG__,__tmp_reg__" "\n\t" \</span>
|
||
|
|
<a name="l00268"></a>00268 <span class="preprocessor"> : </span><span class="comment">/*no output */</span> \
|
||
|
|
<a name="l00269"></a>00269 : [CCPADDRESS] "I" (_SFR_IO_ADDR(CCP)), \
|
||
|
|
<a name="l00270"></a>00270 [SIGNATURE] "r" ((uint8_t)0xD8), \
|
||
|
|
<a name="l00271"></a>00271 [WDTREG] "I" (_SFR_IO_ADDR(_WD_CONTROL_REG)), \
|
||
|
|
<a name="l00272"></a>00272 [TEMP_WD] "d" (temp_wd), \
|
||
|
|
<a name="l00273"></a>00273 [WDVALUE] "n" (1 << WDE) \
|
||
|
|
<a name="l00274"></a>00274 : "r16" \
|
||
|
|
<a name="l00275"></a>00275 ); \
|
||
|
|
<a name="l00276"></a>00276 }while(0)
|
||
|
|
<a name="l00277"></a>00277
|
||
|
|
<a name="l00278"></a>00278 <span class="preprocessor">#elif defined(CCP)</span>
|
||
|
|
<a name="l00279"></a>00279 <span class="preprocessor"></span>
|
||
|
|
<a name="l00280"></a>00280 <span class="keyword">static</span> __inline__
|
||
|
|
<a name="l00281"></a>00281 <a class="code" href="group__avr__watchdog.html#gadaa6dd28b5d08df35e49b1248d7e5fb0">__attribute__</a> ((__always_inline__))
|
||
|
|
<a name="l00282"></a>00282 void wdt_enable (const <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> value)
|
||
|
|
<a name="l00283"></a>00283 {
|
||
|
|
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (!_SFR_IO_REG_P (CCP) && !_SFR_IO_REG_P (_WD_CONTROL_REG))
|
||
|
|
<a name="l00285"></a>00285 {
|
||
|
|
<a name="l00286"></a>00286 __asm__ __volatile__ (
|
||
|
|
<a name="l00287"></a>00287 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00288"></a>00288 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00289"></a>00289 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00290"></a>00290 <span class="stringliteral">"sts %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00291"></a>00291 <span class="stringliteral">"sts %[WDTREG],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00292"></a>00292 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00293"></a>00293 : <span class="comment">/* no outputs */</span>
|
||
|
|
<a name="l00294"></a>00294 : [CCPADDRESS] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(CCP)),
|
||
|
|
<a name="l00295"></a>00295 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00296"></a>00296 [WDTREG] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00297"></a>00297 [WDVALUE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)((value & 0x08 ? _WD_PS3_MASK : 0x00)
|
||
|
|
<a name="l00298"></a>00298 | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE) | (value & 0x07) ))
|
||
|
|
<a name="l00299"></a>00299 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00300"></a>00300 );
|
||
|
|
<a name="l00301"></a>00301 }
|
||
|
|
<a name="l00302"></a>00302 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!_SFR_IO_REG_P (CCP) && _SFR_IO_REG_P (_WD_CONTROL_REG))
|
||
|
|
<a name="l00303"></a>00303 {
|
||
|
|
<a name="l00304"></a>00304 __asm__ __volatile__ (
|
||
|
|
<a name="l00305"></a>00305 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00306"></a>00306 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00307"></a>00307 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00308"></a>00308 <span class="stringliteral">"sts %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00309"></a>00309 <span class="stringliteral">"out %[WDTREG],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00310"></a>00310 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00311"></a>00311 : <span class="comment">/* no outputs */</span>
|
||
|
|
<a name="l00312"></a>00312 : [CCPADDRESS] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(CCP)),
|
||
|
|
<a name="l00313"></a>00313 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00314"></a>00314 [WDTREG] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00315"></a>00315 [WDVALUE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)((value & 0x08 ? _WD_PS3_MASK : 0x00)
|
||
|
|
<a name="l00316"></a>00316 | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE) | (value & 0x07) ))
|
||
|
|
<a name="l00317"></a>00317 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00318"></a>00318 );
|
||
|
|
<a name="l00319"></a>00319 }
|
||
|
|
<a name="l00320"></a>00320 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_SFR_IO_REG_P (CCP) && !_SFR_IO_REG_P (_WD_CONTROL_REG))
|
||
|
|
<a name="l00321"></a>00321 {
|
||
|
|
<a name="l00322"></a>00322 __asm__ __volatile__ (
|
||
|
|
<a name="l00323"></a>00323 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00324"></a>00324 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00325"></a>00325 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00326"></a>00326 <span class="stringliteral">"out %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00327"></a>00327 <span class="stringliteral">"sts %[WDTREG],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00328"></a>00328 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00329"></a>00329 : <span class="comment">/* no outputs */</span>
|
||
|
|
<a name="l00330"></a>00330 : [CCPADDRESS] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(CCP)),
|
||
|
|
<a name="l00331"></a>00331 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00332"></a>00332 [WDTREG] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00333"></a>00333 [WDVALUE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)((value & 0x08 ? _WD_PS3_MASK : 0x00)
|
||
|
|
<a name="l00334"></a>00334 | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE) | (value & 0x07) ))
|
||
|
|
<a name="l00335"></a>00335 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00336"></a>00336 );
|
||
|
|
<a name="l00337"></a>00337 }
|
||
|
|
<a name="l00338"></a>00338 <span class="keywordflow">else</span>
|
||
|
|
<a name="l00339"></a>00339 {
|
||
|
|
<a name="l00340"></a>00340 __asm__ __volatile__ (
|
||
|
|
<a name="l00341"></a>00341 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00342"></a>00342 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00343"></a>00343 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00344"></a>00344 <span class="stringliteral">"out %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00345"></a>00345 <span class="stringliteral">"out %[WDTREG],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00346"></a>00346 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00347"></a>00347 : <span class="comment">/* no outputs */</span>
|
||
|
|
<a name="l00348"></a>00348 : [CCPADDRESS] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(CCP)),
|
||
|
|
<a name="l00349"></a>00349 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00350"></a>00350 [WDTREG] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00351"></a>00351 [WDVALUE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)((value & 0x08 ? _WD_PS3_MASK : 0x00)
|
||
|
|
<a name="l00352"></a>00352 | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE) | (value & 0x07) ))
|
||
|
|
<a name="l00353"></a>00353 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00354"></a>00354 );
|
||
|
|
<a name="l00355"></a>00355 }
|
||
|
|
<a name="l00356"></a>00356 }
|
||
|
|
<a name="l00357"></a>00357
|
||
|
|
<a name="l00358"></a>00358 <span class="keyword">static</span> __inline__
|
||
|
|
<a name="l00359"></a>00359 <a class="code" href="group__avr__watchdog.html#gadaa6dd28b5d08df35e49b1248d7e5fb0">__attribute__</a> ((__always_inline__))
|
||
|
|
<a name="l00360"></a>00360 void wdt_disable (<span class="keywordtype">void</span>)
|
||
|
|
<a name="l00361"></a>00361 {
|
||
|
|
<a name="l00362"></a>00362 <span class="keywordflow">if</span> (!_SFR_IO_REG_P (CCP) && !_SFR_IO_REG_P(_WD_CONTROL_REG))
|
||
|
|
<a name="l00363"></a>00363 {
|
||
|
|
<a name="l00364"></a>00364 <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> temp_wd;
|
||
|
|
<a name="l00365"></a>00365 __asm__ __volatile__ (
|
||
|
|
<a name="l00366"></a>00366 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00367"></a>00367 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00368"></a>00368 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00369"></a>00369 <span class="stringliteral">"sts %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00370"></a>00370 <span class="stringliteral">"lds %[TEMP_WD],%[WDTREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00371"></a>00371 <span class="stringliteral">"cbr %[TEMP_WD],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00372"></a>00372 <span class="stringliteral">"sts %[WDTREG],%[TEMP_WD]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00373"></a>00373 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00374"></a>00374 : <span class="comment">/*no output */</span>
|
||
|
|
<a name="l00375"></a>00375 : [CCPADDRESS] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(CCP)),
|
||
|
|
<a name="l00376"></a>00376 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00377"></a>00377 [WDTREG] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00378"></a>00378 [TEMP_WD] <span class="stringliteral">"d"</span> (temp_wd),
|
||
|
|
<a name="l00379"></a>00379 [WDVALUE] <span class="stringliteral">"n"</span> (1 << WDE)
|
||
|
|
<a name="l00380"></a>00380 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00381"></a>00381 );
|
||
|
|
<a name="l00382"></a>00382 }
|
||
|
|
<a name="l00383"></a>00383 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!_SFR_IO_REG_P (CCP) && _SFR_IO_REG_P(_WD_CONTROL_REG))
|
||
|
|
<a name="l00384"></a>00384 {
|
||
|
|
<a name="l00385"></a>00385 <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> temp_wd;
|
||
|
|
<a name="l00386"></a>00386 __asm__ __volatile__ (
|
||
|
|
<a name="l00387"></a>00387 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00388"></a>00388 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00389"></a>00389 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00390"></a>00390 <span class="stringliteral">"sts %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00391"></a>00391 <span class="stringliteral">"in %[TEMP_WD],%[WDTREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00392"></a>00392 <span class="stringliteral">"cbr %[TEMP_WD],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00393"></a>00393 <span class="stringliteral">"out %[WDTREG],%[TEMP_WD]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00394"></a>00394 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00395"></a>00395 : <span class="comment">/*no output */</span>
|
||
|
|
<a name="l00396"></a>00396 : [CCPADDRESS] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(CCP)),
|
||
|
|
<a name="l00397"></a>00397 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00398"></a>00398 [WDTREG] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00399"></a>00399 [TEMP_WD] <span class="stringliteral">"d"</span> (temp_wd),
|
||
|
|
<a name="l00400"></a>00400 [WDVALUE] <span class="stringliteral">"n"</span> (1 << WDE)
|
||
|
|
<a name="l00401"></a>00401 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00402"></a>00402 );
|
||
|
|
<a name="l00403"></a>00403 }
|
||
|
|
<a name="l00404"></a>00404 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_SFR_IO_REG_P (CCP) && !_SFR_IO_REG_P(_WD_CONTROL_REG))
|
||
|
|
<a name="l00405"></a>00405 {
|
||
|
|
<a name="l00406"></a>00406 <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> temp_wd;
|
||
|
|
<a name="l00407"></a>00407 __asm__ __volatile__ (
|
||
|
|
<a name="l00408"></a>00408 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00409"></a>00409 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00410"></a>00410 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00411"></a>00411 <span class="stringliteral">"out %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00412"></a>00412 <span class="stringliteral">"lds %[TEMP_WD],%[WDTREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00413"></a>00413 <span class="stringliteral">"cbr %[TEMP_WD],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00414"></a>00414 <span class="stringliteral">"sts %[WDTREG],%[TEMP_WD]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00415"></a>00415 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00416"></a>00416 : <span class="comment">/*no output */</span>
|
||
|
|
<a name="l00417"></a>00417 : [CCPADDRESS] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(CCP)),
|
||
|
|
<a name="l00418"></a>00418 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00419"></a>00419 [WDTREG] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00420"></a>00420 [TEMP_WD] <span class="stringliteral">"d"</span> (temp_wd),
|
||
|
|
<a name="l00421"></a>00421 [WDVALUE] <span class="stringliteral">"n"</span> (1 << WDE)
|
||
|
|
<a name="l00422"></a>00422 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00423"></a>00423 );
|
||
|
|
<a name="l00424"></a>00424 }
|
||
|
|
<a name="l00425"></a>00425 <span class="keywordflow">else</span>
|
||
|
|
<a name="l00426"></a>00426 {
|
||
|
|
<a name="l00427"></a>00427 <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> temp_wd;
|
||
|
|
<a name="l00428"></a>00428 __asm__ __volatile__ (
|
||
|
|
<a name="l00429"></a>00429 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00430"></a>00430 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00431"></a>00431 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00432"></a>00432 <span class="stringliteral">"out %[CCPADDRESS],%[SIGNATURE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00433"></a>00433 <span class="stringliteral">"in %[TEMP_WD],%[WDTREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00434"></a>00434 <span class="stringliteral">"cbr %[TEMP_WD],%[WDVALUE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00435"></a>00435 <span class="stringliteral">"out %[WDTREG],%[TEMP_WD]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00436"></a>00436 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00437"></a>00437 : <span class="comment">/*no output */</span>
|
||
|
|
<a name="l00438"></a>00438 : [CCPADDRESS] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(CCP)),
|
||
|
|
<a name="l00439"></a>00439 [SIGNATURE] <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)0xD8),
|
||
|
|
<a name="l00440"></a>00440 [WDTREG] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00441"></a>00441 [TEMP_WD] <span class="stringliteral">"d"</span> (temp_wd),
|
||
|
|
<a name="l00442"></a>00442 [WDVALUE] <span class="stringliteral">"n"</span> (1 << WDE)
|
||
|
|
<a name="l00443"></a>00443 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00444"></a>00444 );
|
||
|
|
<a name="l00445"></a>00445 }
|
||
|
|
<a name="l00446"></a>00446 }
|
||
|
|
<a name="l00447"></a>00447
|
||
|
|
<a name="l00448"></a>00448 <span class="preprocessor">#else</span>
|
||
|
|
<a name="l00449"></a>00449 <span class="preprocessor"></span>
|
||
|
|
<a name="l00450"></a>00450 <span class="keyword">static</span> __inline__
|
||
|
|
<a name="l00451"></a>00451 <a class="code" href="group__avr__watchdog.html#gadaa6dd28b5d08df35e49b1248d7e5fb0">__attribute__</a> ((__always_inline__))
|
||
|
|
<a name="l00452"></a>00452 void wdt_enable (const <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> value)
|
||
|
|
<a name="l00453"></a>00453 {
|
||
|
|
<a name="l00454"></a>00454 <span class="keywordflow">if</span> (_SFR_IO_REG_P (_WD_CONTROL_REG))
|
||
|
|
<a name="l00455"></a>00455 {
|
||
|
|
<a name="l00456"></a>00456 __asm__ __volatile__ (
|
||
|
|
<a name="l00457"></a>00457 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00458"></a>00458 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00459"></a>00459 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00460"></a>00460 <span class="stringliteral">"out %0, %1"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00461"></a>00461 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00462"></a>00462 <span class="stringliteral">"out %0, %2"</span> <span class="stringliteral">"\n \t"</span>
|
||
|
|
<a name="l00463"></a>00463 : <span class="comment">/* no outputs */</span>
|
||
|
|
<a name="l00464"></a>00464 : <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00465"></a>00465 <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)(<a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(_WD_CHANGE_BIT) | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE))),
|
||
|
|
<a name="l00466"></a>00466 <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>) ((value & 0x08 ? _WD_PS3_MASK : 0x00) |
|
||
|
|
<a name="l00467"></a>00467 <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE) | (value & 0x07)) )
|
||
|
|
<a name="l00468"></a>00468 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00469"></a>00469 );
|
||
|
|
<a name="l00470"></a>00470 }
|
||
|
|
<a name="l00471"></a>00471 <span class="keywordflow">else</span>
|
||
|
|
<a name="l00472"></a>00472 {
|
||
|
|
<a name="l00473"></a>00473 __asm__ __volatile__ (
|
||
|
|
<a name="l00474"></a>00474 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00475"></a>00475 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00476"></a>00476 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00477"></a>00477 <span class="stringliteral">"sts %0, %1"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00478"></a>00478 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00479"></a>00479 <span class="stringliteral">"sts %0, %2"</span> <span class="stringliteral">"\n \t"</span>
|
||
|
|
<a name="l00480"></a>00480 : <span class="comment">/* no outputs */</span>
|
||
|
|
<a name="l00481"></a>00481 : <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00482"></a>00482 <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)(<a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(_WD_CHANGE_BIT) | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE))),
|
||
|
|
<a name="l00483"></a>00483 <span class="stringliteral">"r"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>) ((value & 0x08 ? _WD_PS3_MASK : 0x00) |
|
||
|
|
<a name="l00484"></a>00484 <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE) | (value & 0x07)) )
|
||
|
|
<a name="l00485"></a>00485 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00486"></a>00486 );
|
||
|
|
<a name="l00487"></a>00487 }
|
||
|
|
<a name="l00488"></a>00488 }
|
||
|
|
<a name="l00489"></a>00489
|
||
|
|
<a name="l00490"></a>00490 <span class="keyword">static</span> __inline__
|
||
|
|
<a name="l00491"></a><a class="code" href="group__avr__watchdog.html#gadaa6dd28b5d08df35e49b1248d7e5fb0">00491</a> <a class="code" href="group__avr__watchdog.html#gadaa6dd28b5d08df35e49b1248d7e5fb0">__attribute__</a> ((__always_inline__))
|
||
|
|
<a name="l00492"></a>00492 void wdt_disable (<span class="keywordtype">void</span>)
|
||
|
|
<a name="l00493"></a>00493 {
|
||
|
|
<a name="l00494"></a>00494 <span class="keywordflow">if</span> (_SFR_IO_REG_P (_WD_CONTROL_REG))
|
||
|
|
<a name="l00495"></a>00495 {
|
||
|
|
<a name="l00496"></a>00496 <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> <span class="keyword">register</span> temp_reg;
|
||
|
|
<a name="l00497"></a>00497 __asm__ __volatile__ (
|
||
|
|
<a name="l00498"></a>00498 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00499"></a>00499 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00500"></a>00500 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00501"></a>00501 <span class="stringliteral">"in %[TEMPREG],%[WDTREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00502"></a>00502 <span class="stringliteral">"ori %[TEMPREG],%[WDCE_WDE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00503"></a>00503 <span class="stringliteral">"out %[WDTREG],%[TEMPREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00504"></a>00504 <span class="stringliteral">"out %[WDTREG],__zero_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00505"></a>00505 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00506"></a>00506 : [TEMPREG] <span class="stringliteral">"=d"</span> (temp_reg)
|
||
|
|
<a name="l00507"></a>00507 : [WDTREG] <span class="stringliteral">"I"</span> (_SFR_IO_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00508"></a>00508 [WDCE_WDE] <span class="stringliteral">"n"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)(<a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(_WD_CHANGE_BIT) | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE)))
|
||
|
|
<a name="l00509"></a>00509 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00510"></a>00510 );
|
||
|
|
<a name="l00511"></a>00511 }
|
||
|
|
<a name="l00512"></a>00512 <span class="keywordflow">else</span>
|
||
|
|
<a name="l00513"></a>00513 {
|
||
|
|
<a name="l00514"></a>00514 <a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> <span class="keyword">register</span> temp_reg;
|
||
|
|
<a name="l00515"></a>00515 __asm__ __volatile__ (
|
||
|
|
<a name="l00516"></a>00516 <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00517"></a>00517 <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00518"></a>00518 <span class="stringliteral">"wdr"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00519"></a>00519 <span class="stringliteral">"lds %[TEMPREG],%[WDTREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00520"></a>00520 <span class="stringliteral">"ori %[TEMPREG],%[WDCE_WDE]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00521"></a>00521 <span class="stringliteral">"sts %[WDTREG],%[TEMPREG]"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00522"></a>00522 <span class="stringliteral">"sts %[WDTREG],__zero_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00523"></a>00523 <span class="stringliteral">"out __SREG__,__tmp_reg__"</span> <span class="stringliteral">"\n\t"</span>
|
||
|
|
<a name="l00524"></a>00524 : [TEMPREG] <span class="stringliteral">"=d"</span> (temp_reg)
|
||
|
|
<a name="l00525"></a>00525 : [WDTREG] <span class="stringliteral">"n"</span> (_SFR_MEM_ADDR(_WD_CONTROL_REG)),
|
||
|
|
<a name="l00526"></a>00526 [WDCE_WDE] <span class="stringliteral">"n"</span> ((<a class="code" href="group__avr__stdint.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)(<a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(_WD_CHANGE_BIT) | <a class="code" href="group__avr__sfr.html#ga11643f271076024c395a93800b3d9546">_BV</a>(WDE)))
|
||
|
|
<a name="l00527"></a>00527 : <span class="stringliteral">"r0"</span>
|
||
|
|
<a name="l00528"></a>00528 );
|
||
|
|
<a name="l00529"></a>00529 }
|
||
|
|
<a name="l00530"></a>00530 }
|
||
|
|
<a name="l00531"></a>00531
|
||
|
|
<a name="l00532"></a>00532 <span class="preprocessor">#endif</span>
|
||
|
|
<a name="l00533"></a>00533 <span class="preprocessor"></span>
|
||
|
|
<a name="l00534"></a>00534 <span class="comment"></span>
|
||
|
|
<a name="l00535"></a>00535 <span class="comment">/**</span>
|
||
|
|
<a name="l00536"></a>00536 <span class="comment"> \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00537"></a>00537 <span class="comment"> Symbolic constants for the watchdog timeout. Since the watchdog</span>
|
||
|
|
<a name="l00538"></a>00538 <span class="comment"> timer is based on a free-running RC oscillator, the times are</span>
|
||
|
|
<a name="l00539"></a>00539 <span class="comment"> approximate only and apply to a supply voltage of 5 V. At lower</span>
|
||
|
|
<a name="l00540"></a>00540 <span class="comment"> supply voltages, the times will increase. For older devices, the</span>
|
||
|
|
<a name="l00541"></a>00541 <span class="comment"> times will be as large as three times when operating at Vcc = 3 V,</span>
|
||
|
|
<a name="l00542"></a>00542 <span class="comment"> while the newer devices (e. g. ATmega128, ATmega8) only experience</span>
|
||
|
|
<a name="l00543"></a>00543 <span class="comment"> a negligible change.</span>
|
||
|
|
<a name="l00544"></a>00544 <span class="comment"></span>
|
||
|
|
<a name="l00545"></a>00545 <span class="comment"> Possible timeout values are: 15 ms, 30 ms, 60 ms, 120 ms, 250 ms,</span>
|
||
|
|
<a name="l00546"></a>00546 <span class="comment"> 500 ms, 1 s, 2 s. (Some devices also allow for 4 s and 8 s.)</span>
|
||
|
|
<a name="l00547"></a>00547 <span class="comment"> Symbolic constants are formed by the prefix</span>
|
||
|
|
<a name="l00548"></a>00548 <span class="comment"> \c WDTO_, followed by the time.</span>
|
||
|
|
<a name="l00549"></a>00549 <span class="comment"></span>
|
||
|
|
<a name="l00550"></a>00550 <span class="comment"> Example that would select a watchdog timer expiry of approximately</span>
|
||
|
|
<a name="l00551"></a>00551 <span class="comment"> 500 ms:</span>
|
||
|
|
<a name="l00552"></a>00552 <span class="comment"> \code</span>
|
||
|
|
<a name="l00553"></a>00553 <span class="comment"> wdt_enable(WDTO_500MS);</span>
|
||
|
|
<a name="l00554"></a>00554 <span class="comment"> \endcode</span>
|
||
|
|
<a name="l00555"></a>00555 <span class="comment">*/</span>
|
||
|
|
<a name="l00556"></a><a class="code" href="group__avr__watchdog.html#gad45893280f49113ffc2e67e1d741f29d">00556</a> <span class="preprocessor">#define WDTO_15MS 0</span>
|
||
|
|
<a name="l00557"></a>00557 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00558"></a>00558 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00559"></a>00559 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00560"></a><a class="code" href="group__avr__watchdog.html#ga057dd21dc54e71de0e20d8bd5734915d">00560</a> <span class="preprocessor">#define WDTO_30MS 1</span>
|
||
|
|
<a name="l00561"></a>00561 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00562"></a>00562 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00563"></a>00563 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00564"></a><a class="code" href="group__avr__watchdog.html#ga7a5b072c51c05a34cc38111f0e6724e5">00564</a> <span class="preprocessor">#define WDTO_60MS 2</span>
|
||
|
|
<a name="l00565"></a>00565 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00566"></a>00566 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00567"></a>00567 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00568"></a><a class="code" href="group__avr__watchdog.html#ga7d028bcdb4a4103549fc6fb4ec07fbcd">00568</a> <span class="preprocessor">#define WDTO_120MS 3</span>
|
||
|
|
<a name="l00569"></a>00569 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00570"></a>00570 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00571"></a>00571 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00572"></a><a class="code" href="group__avr__watchdog.html#ga66d5f50cc76b92c76900d77ef577d53e">00572</a> <span class="preprocessor">#define WDTO_250MS 4</span>
|
||
|
|
<a name="l00573"></a>00573 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00574"></a>00574 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00575"></a>00575 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00576"></a><a class="code" href="group__avr__watchdog.html#gacf89fc5fb6c8aa9efaadb86872cfbcdf">00576</a> <span class="preprocessor">#define WDTO_500MS 5</span>
|
||
|
|
<a name="l00577"></a>00577 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00578"></a>00578 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00579"></a>00579 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00580"></a><a class="code" href="group__avr__watchdog.html#ga36302e15f38a4eeb8a328724bb8165e9">00580</a> <span class="preprocessor">#define WDTO_1S 6</span>
|
||
|
|
<a name="l00581"></a>00581 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00582"></a>00582 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00583"></a>00583 <span class="comment"> See \c WDTO_15MS */</span>
|
||
|
|
<a name="l00584"></a><a class="code" href="group__avr__watchdog.html#ga05fc682d276a36d8cc4e9178340ff004">00584</a> <span class="preprocessor">#define WDTO_2S 7</span>
|
||
|
|
<a name="l00585"></a>00585 <span class="preprocessor"></span>
|
||
|
|
<a name="l00586"></a>00586 <span class="preprocessor">#if defined(__DOXYGEN__) || defined(WDP3)</span>
|
||
|
|
<a name="l00587"></a>00587 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00588"></a>00588 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00589"></a>00589 <span class="comment"> See \c WDTO_15MS</span>
|
||
|
|
<a name="l00590"></a>00590 <span class="comment"> Note: This is only available on the </span>
|
||
|
|
<a name="l00591"></a>00591 <span class="comment"> ATtiny2313, </span>
|
||
|
|
<a name="l00592"></a>00592 <span class="comment"> ATtiny24, ATtiny44, ATtiny84, ATtiny84A,</span>
|
||
|
|
<a name="l00593"></a>00593 <span class="comment"> ATtiny25, ATtiny45, ATtiny85, </span>
|
||
|
|
<a name="l00594"></a>00594 <span class="comment"> ATtiny261, ATtiny461, ATtiny861, </span>
|
||
|
|
<a name="l00595"></a>00595 <span class="comment"> ATmega48, ATmega88, ATmega168,</span>
|
||
|
|
<a name="l00596"></a>00596 <span class="comment"> ATmega48P, ATmega88P, ATmega168P, ATmega328P,</span>
|
||
|
|
<a name="l00597"></a>00597 <span class="comment"> ATmega164P, ATmega324P, ATmega644P, ATmega644,</span>
|
||
|
|
<a name="l00598"></a>00598 <span class="comment"> ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561,</span>
|
||
|
|
<a name="l00599"></a>00599 <span class="comment"> ATmega8HVA, ATmega16HVA, ATmega32HVB,</span>
|
||
|
|
<a name="l00600"></a>00600 <span class="comment"> ATmega406, ATmega1284P,</span>
|
||
|
|
<a name="l00601"></a>00601 <span class="comment"> AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316,</span>
|
||
|
|
<a name="l00602"></a>00602 <span class="comment"> AT90PWM81, AT90PWM161,</span>
|
||
|
|
<a name="l00603"></a>00603 <span class="comment"> AT90USB82, AT90USB162,</span>
|
||
|
|
<a name="l00604"></a>00604 <span class="comment"> AT90USB646, AT90USB647, AT90USB1286, AT90USB1287,</span>
|
||
|
|
<a name="l00605"></a>00605 <span class="comment"> ATtiny48, ATtiny88.</span>
|
||
|
|
<a name="l00606"></a>00606 <span class="comment"></span>
|
||
|
|
<a name="l00607"></a>00607 <span class="comment"> Note: This value does <em>not</em> match the bit pattern of the</span>
|
||
|
|
<a name="l00608"></a>00608 <span class="comment"> respective control register. It is solely meant to be used together</span>
|
||
|
|
<a name="l00609"></a>00609 <span class="comment"> with wdt_enable().</span>
|
||
|
|
<a name="l00610"></a>00610 <span class="comment"> */</span>
|
||
|
|
<a name="l00611"></a><a class="code" href="group__avr__watchdog.html#ga752b0b1b5ba9009bc09976494313e30d">00611</a> <span class="preprocessor">#define WDTO_4S 8</span>
|
||
|
|
<a name="l00612"></a>00612 <span class="preprocessor"></span><span class="comment"></span>
|
||
|
|
<a name="l00613"></a>00613 <span class="comment">/** \ingroup avr_watchdog</span>
|
||
|
|
<a name="l00614"></a>00614 <span class="comment"> See \c WDTO_15MS</span>
|
||
|
|
<a name="l00615"></a>00615 <span class="comment"> Note: This is only available on the </span>
|
||
|
|
<a name="l00616"></a>00616 <span class="comment"> ATtiny2313, </span>
|
||
|
|
<a name="l00617"></a>00617 <span class="comment"> ATtiny24, ATtiny44, ATtiny84, ATtiny84A,</span>
|
||
|
|
<a name="l00618"></a>00618 <span class="comment"> ATtiny25, ATtiny45, ATtiny85, </span>
|
||
|
|
<a name="l00619"></a>00619 <span class="comment"> ATtiny261, ATtiny461, ATtiny861, </span>
|
||
|
|
<a name="l00620"></a>00620 <span class="comment"> ATmega48, ATmega48A, ATmega48PA, ATmega88, ATmega168,</span>
|
||
|
|
<a name="l00621"></a>00621 <span class="comment"> ATmega48P, ATmega88P, ATmega168P, ATmega328P,</span>
|
||
|
|
<a name="l00622"></a>00622 <span class="comment"> ATmega164P, ATmega324P, ATmega644P, ATmega644,</span>
|
||
|
|
<a name="l00623"></a>00623 <span class="comment"> ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561,</span>
|
||
|
|
<a name="l00624"></a>00624 <span class="comment"> ATmega8HVA, ATmega16HVA, ATmega32HVB,</span>
|
||
|
|
<a name="l00625"></a>00625 <span class="comment"> ATmega406, ATmega1284P,</span>
|
||
|
|
<a name="l00626"></a>00626 <span class="comment"> ATmega2564RFR2, ATmega256RFR2, ATmega1284RFR2, ATmega128RFR2, ATmega644RFR2, ATmega64RFR2</span>
|
||
|
|
<a name="l00627"></a>00627 <span class="comment"> AT90PWM1, AT90PWM2, AT90PWM2B, AT90PWM3, AT90PWM3B, AT90PWM216, AT90PWM316,</span>
|
||
|
|
<a name="l00628"></a>00628 <span class="comment"> AT90PWM81, AT90PWM161,</span>
|
||
|
|
<a name="l00629"></a>00629 <span class="comment"> AT90USB82, AT90USB162,</span>
|
||
|
|
<a name="l00630"></a>00630 <span class="comment"> AT90USB646, AT90USB647, AT90USB1286, AT90USB1287,</span>
|
||
|
|
<a name="l00631"></a>00631 <span class="comment"> ATtiny48, ATtiny88,</span>
|
||
|
|
<a name="l00632"></a>00632 <span class="comment"> ATxmega16a4u, ATxmega32a4u,</span>
|
||
|
|
<a name="l00633"></a>00633 <span class="comment"> ATxmega16c4, ATxmega32c4,</span>
|
||
|
|
<a name="l00634"></a>00634 <span class="comment"> ATxmega128c3, ATxmega192c3, ATxmega256c3.</span>
|
||
|
|
<a name="l00635"></a>00635 <span class="comment"></span>
|
||
|
|
<a name="l00636"></a>00636 <span class="comment"> Note: This value does <em>not</em> match the bit pattern of the</span>
|
||
|
|
<a name="l00637"></a>00637 <span class="comment"> respective control register. It is solely meant to be used together</span>
|
||
|
|
<a name="l00638"></a>00638 <span class="comment"> with wdt_enable().</span>
|
||
|
|
<a name="l00639"></a>00639 <span class="comment"> */</span>
|
||
|
|
<a name="l00640"></a><a class="code" href="group__avr__watchdog.html#gaf074e538b2a1d5031931530f29a09fce">00640</a> <span class="preprocessor">#define WDTO_8S 9</span>
|
||
|
|
<a name="l00641"></a>00641 <span class="preprocessor"></span>
|
||
|
|
<a name="l00642"></a>00642 <span class="preprocessor">#endif </span><span class="comment">/* defined(__DOXYGEN__) || defined(WDP3) */</span>
|
||
|
|
<a name="l00643"></a>00643
|
||
|
|
<a name="l00644"></a>00644
|
||
|
|
<a name="l00645"></a>00645 <span class="preprocessor">#endif </span><span class="comment">/* _AVR_WDT_H_ */</span>
|
||
|
|
</pre></div></div>
|
||
|
|
<!--- window showing the filter options -->
|
||
|
|
<div id="MSearchSelectWindow"
|
||
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
||
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
||
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
||
|
|
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Defines</a></div>
|
||
|
|
|
||
|
|
<!-- iframe showing the search results (closed by default) -->
|
||
|
|
<div id="MSearchResultsWindow">
|
||
|
|
<iframe src="" frameborder="0"
|
||
|
|
name="MSearchResults" id="MSearchResults">
|
||
|
|
</iframe>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<!-- HTML footer for doxygen 1.8.7-->
|
||
|
|
<!-- start footer part -->
|
||
|
|
<!--BEGIN GENERATE_TREEVIEW-->
|
||
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
||
|
|
<ul>
|
||
|
|
$navpath
|
||
|
|
<li class="footer">$generatedby
|
||
|
|
<a href="http://www.doxygen.org/index.html">
|
||
|
|
<img class="footer" src="$relpath^doxygen.png" alt="doxygen"/></a> 1.6.3 </li>
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
<!--END GENERATE_TREEVIEW-->
|
||
|
|
<!--BEGIN !GENERATE_TREEVIEW-->
|
||
|
|
<hr class="footer"/><address class="footer"><small>
|
||
|
|
$generatedby  <a href="http://www.doxygen.org/index.html">
|
||
|
|
<img class="footer" src="$relpath^doxygen.png" alt="doxygen"/>
|
||
|
|
</a> 1.6.3
|
||
|
|
</small></address>
|
||
|
|
<!--END !GENERATE_TREEVIEW-->
|
||
|
|
</body>
|
||
|
|
</html>
|