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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>AVR106 - C Functions for Reading and Writing to Flash Memory: Self_programming_main.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul></div><h1>Self_programming_main.c</h1><a href="Self__programming__main_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This file has been prepared for Doxygen automatic documentation generation.</span><a name="l00028"></a>00028 <span class="comment"></span><span class="preprocessor">#include <ioavr.h></span><a name="l00029"></a>00029 <span class="preprocessor">#include <inavr.h></span><a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="Self__programming_8h.html">Self_programming.h</a>"</span><a name="l00031"></a>00031 <a name="l00032"></a><a class="code" href="Self__programming__main_8c.html#5f8568da681b2f2e2d477eb47f8e1325">00032</a> __C_task <a class="code" href="Self__programming__main_8c.html#5f8568da681b2f2e2d477eb47f8e1325">main</a>( <span class="keywordtype">void</span> ){<a name="l00033"></a>00033 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> testBuffer1[PAGESIZE]; <span class="comment">// Declares variables for testing</span><a name="l00034"></a>00034 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> testBuffer2[PAGESIZE]; <span class="comment">// Note. Each array uses PAGESIZE bytes of</span><a name="l00035"></a>00035 <span class="comment">// code stack</span><a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> testChar; <span class="comment">// A warning will come saying that this var is set but never used. Ignore it.</span><a name="l00038"></a>00038 <span class="keywordtype">int</span> index;<a name="l00039"></a>00039 MCUCR |= (1<<IVSEL); <span class="comment">// Move interrupt vectors to boot</span><a name="l00040"></a>00040 <a class="code" href="Self__programming_8c.html#dab3fc05882b5f5511a24d423119e003">RecoverFlash</a>();<a name="l00041"></a>00041 <span class="keywordflow">for</span>(index=0; index<PAGESIZE; index++){<a name="l00042"></a>00042 testBuffer1[index]=(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>)index; <span class="comment">// Fills testBuffer1 with values 0,1,2..255</span><a name="l00043"></a>00043 }<a name="l00044"></a>00044 <span class="keywordflow">for</span>(;;){<a name="l00045"></a>00045 <a class="code" href="Self__programming_8c.html#fc13c9dcc9565c691d73a8e35ea3c3b0">WriteFlashPage</a>(0x200, testBuffer1); <span class="comment">// Writes testbuffer1 to Flash page 2</span><a name="l00046"></a>00046 <span class="comment">// Function returns TRUE</span><a name="l00047"></a>00047 <a class="code" href="Self__programming_8c.html#8b290614a2b685c107c6eed5a9db96d4">ReadFlashPage</a>(0x200, testBuffer2); <span class="comment">// Reads back Flash page 2 to TestBuffer2</span><a name="l00048"></a>00048 <span class="comment">// Function returns TRUE</span><a name="l00049"></a>00049 <a class="code" href="Self__programming_8c.html#37868fe819d4b22e28890f3c0d3797fa">WriteFlashByte</a>(0x204, 0x38); <span class="comment">// Writes 0x38 to byte address 0x204</span><a name="l00050"></a>00050 <span class="comment">// Same as byte 4 on page 2</span><a name="l00051"></a>00051 <span class="comment">// Returns TRUE</span><a name="l00052"></a>00052 testChar = <a class="code" href="Self__programming_8c.html#1d6ded0de0674f00a82507424c862431">ReadFlashByte</a>(0x204); <span class="comment">// Reads back value from address 0x204</span><a name="l00053"></a>00053 }<a name="l00054"></a>00054 }</pre></div><hr size="1"><address style="align: right;"><small>Generated on Wed Jan 18 16:19:21 2006 for AVR106 - C Functions for Reading and Writing to Flash Memory by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.5 </small></address></body></html>?? 快捷鍵說明
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