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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>Sample MSP430-4619LCD Project: mma.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 1.5.1 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Data Structures</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>mma.c</h1><a href="mma_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment"> * File: mma.c</span><a name="l00003"></a>00003 <span class="comment"> * Purpose: MMA7260 XYZ acceleration meter handling functions</span><a name="l00004"></a>00004 <span class="comment"> * Author: Peter Ivanov, Olimex Ltd.</span><a name="l00005"></a>00005 <span class="comment"> * Modified by:</span><a name="l00006"></a>00006 <span class="comment"> * Created: 2007-05-19 11:29:32</span><a name="l00007"></a>00007 <span class="comment"> * Last modify: 2007-10-03 21:11:50 ivanovp {Time-stamp}</span><a name="l00008"></a>00008 <span class="comment"> * Copyright: (C) Peter Ivanov, Olimex Ltd., 2007</span><a name="l00009"></a>00009 <span class="comment"> * Licence: GPL</span><a name="l00010"></a>00010 <span class="comment"> */</span><a name="l00016"></a>00016 <span class="preprocessor">#include <msp430xG461x.h></span><a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="mma_8h.html">mma.h</a>"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="periphery_8h.html">periphery.h</a>"</span><a name="l00019"></a>00019 <a name="l00020"></a>00020 <span class="comment">// MMA coordinates array</span><a name="l00021"></a><a class="code" href="mma_8h.html#9ffb4611e1a296502a11a222e555833c">00021</a> <span class="keywordtype">int</span> <a class="code" href="mma_8c.html#9ffb4611e1a296502a11a222e555833c">MMA_coordinates</a>[3];<a name="l00022"></a>00022 <a name="l00023"></a><a class="code" href="mma_8h.html#1ff58d91fb5bab8cbc72feb57109eb3b">00023</a> <span class="keywordtype">void</span> <a class="code" href="mma_8c.html#1ff58d91fb5bab8cbc72feb57109eb3b">MMA_init</a> (<span class="keywordtype">void</span>) <a name="l00024"></a>00024 {<a name="l00025"></a>00025 <span class="comment">// Set G_SEL1, G_SEL2 to low and SM to high</span><a name="l00026"></a>00026 P8OUT = BIT2; <span class="comment">// SM (sleep mode off)</span><a name="l00027"></a>00027 P8OUT &= ~BIT0; <span class="comment">// G-select 1</span><a name="l00028"></a>00028 P8OUT &= ~BIT1; <span class="comment">// G-select 2</span><a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="comment">// Set G_SEL1, G_SEL2 and SM as output</span><a name="l00031"></a>00031 P8DIR = BIT0 | BIT1 | BIT2;<a name="l00032"></a>00032 <a name="l00033"></a>00033 <span class="comment">// Init ADC</span><a name="l00034"></a>00034 <a class="code" href="periphery_8c.html#d773088e6129cd48c3d19dc2d2bd9a94">ADC12_init</a> ();<a name="l00035"></a>00035 }<a name="l00036"></a>00036 <a name="l00037"></a><a class="code" href="mma_8h.html#4e414ec23d97c562ac55d713a3fec79d">00037</a> <span class="keywordtype">void</span> <a class="code" href="mma_8c.html#4e414ec23d97c562ac55d713a3fec79d">MMA_getCoordinates</a> (<span class="keywordtype">void</span>) <a name="l00038"></a>00038 {<a name="l00039"></a>00039 <a class="code" href="mma_8c.html#9ffb4611e1a296502a11a222e555833c">MMA_coordinates</a>[0] = <a class="code" href="periphery_8c.html#e026819d3f4002ec6a094cb0a9254bed">ADC12_getOS</a> (INCH_0); <span class="comment">// X</span><a name="l00040"></a>00040 <a class="code" href="mma_8c.html#9ffb4611e1a296502a11a222e555833c">MMA_coordinates</a>[1] = <a class="code" href="periphery_8c.html#e026819d3f4002ec6a094cb0a9254bed">ADC12_getOS</a> (INCH_1); <span class="comment">// Y</span><a name="l00041"></a>00041 <a class="code" href="mma_8c.html#9ffb4611e1a296502a11a222e555833c">MMA_coordinates</a>[2] = <a class="code" href="periphery_8c.html#e026819d3f4002ec6a094cb0a9254bed">ADC12_getOS</a> (INCH_2); <span class="comment">// Z</span><a name="l00042"></a>00042 }<a name="l00043"></a>00043 </pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 21 19:25:34 2007 for Sample MSP430-4619LCD Project by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1 </small></address></body></html>⌨️ 快捷键说明
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