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<!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"/> <title>Uart wishbone slave Documentation: E:/uart_block/hdl/iseProject/testSerial_transmitter.vhd Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); 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</script> <div id="doc-content"> <!-- 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>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a></div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">E:/uart_block/hdl/iseProject/testSerial_transmitter.vhd</div> </div> </div><!--header--> <div class="contents"> <a href="test_serial__transmitter_8vhd.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <a name="l00003"></a>00003 <a name="l00005"></a>00005 <span class="vhdlkeyword">LIBRARY </span><span class="keywordflow">ieee</span>; <a name="l00006"></a>00006 <span class="vhdlkeyword">USE </span>ieee.std_logic_1164.<span class="vhdlkeyword">ALL</span>; <a name="l00007"></a>00007 <a name="l00009"></a><a class="code" href="classtest_serial__transmitter.html#ac442dca664056131bdaf5c92e4351e01">00009</a> <span class="vhdlkeyword">use </span>work.pkgDefinitions.<span class="vhdlkeyword">all</span>; <a name="l00010"></a>00010 <a name="l00011"></a><a class="code" href="classtest_serial__transmitter.html">00011</a> <span class="keywordflow">ENTITY </span><a class="code" href="classtest_serial__transmitter.html">testSerial_transmitter</a> <span class="vhdlkeyword">IS</span> <a name="l00012"></a>00012 <span class="vhdlkeyword">END</span> <span class="vhdlchar">testSerial_transmitter</span>; <a name="l00013"></a>00013 <a name="l00016"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html">00016</a> <span class="vhdlkeyword">ARCHITECTURE</span> behavior <span class="vhdlkeyword">OF</span> <a class="code" href="classtest_serial__transmitter.html">testSerial_transmitter</a> IS <a name="l00017"></a>00017 <span class="keyword"></span> <a name="l00018"></a>00018 <span class="keyword"> -- <span class="vhdlkeyword">Component</span> Declaration <span class="vhdlkeyword">for</span> the Unit Under Test (UUT)</span> <a name="l00019"></a>00019 <a name="l00020"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html#af4943b0712b81d1d286c10c9400b3d8a">00020</a> <span class="vhdlkeyword">COMPONENT</span> <a class="code" href="classserial__transmitter.html">serial_transmitter</a> <a name="l00021"></a>00021 <span class="vhdlkeyword">Port</span> ( <a class="code" href="classserial__transmitter.html#a69a21b2223906c06964e170ed8472b60" title="Reset input.">rst</a> : <span class="vhdlkeyword">in</span> <span class="comment">STD_LOGIC</span>; <a name="l00022"></a>00022 <a class="code" href="classserial__transmitter.html#a37deab9bf997cca5bdba26c411a2c051" title="Baud rate clock input.">baudClk</a> : <span class="vhdlkeyword">in</span> <span class="comment">STD_LOGIC</span>; <a name="l00023"></a>00023 <a class="code" href="classserial__transmitter.html#ab901c30d3e4ea5dec40e2cbcd7d9db54" title="Byte to be sent.">data_byte</a> : <span class="vhdlkeyword">in</span> <span class="comment">STD_LOGIC_VECTOR</span> ((nBits<span class="vhdlchar">-</span><span class="vhdllogic"></span><span class="vhdllogic">1</span>) <span class="vhdlkeyword">downto</span> <span class="vhdllogic"></span><span class="vhdllogic">0</span>); <a name="l00024"></a>00024 <a class="code" href="classserial__transmitter.html#a5bd0a4b084d0e368d77bac41cc143a73" title="Indicate that byte has been sent.">data_sent</a> : <span class="vhdlkeyword">out</span> <span class="comment">STD_LOGIC</span>; <a name="l00025"></a>00025 <a class="code" href="classserial__transmitter.html#ac65328ce72c56f359addcc4876d091de" title="Uart serial output.">serial_out</a> : <span class="vhdlkeyword">out</span> <span class="comment">STD_LOGIC</span>); <a name="l00026"></a>00026 <span class="vhdlkeyword">END</span> <span class="vhdlkeyword">COMPONENT</span>; <a name="l00027"></a>00027 <a name="l00028"></a>00028 <span class="keyword"></span> <a name="l00029"></a>00029 <span class="keyword"> --Inputs</span> <a name="l00030"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2">00030</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2" title="Signal to connect with UUT.">rst</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span> <span class="vhdlchar">:=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>; <a name="l00031"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc">00031</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span> <span class="vhdlchar">:=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>; <a name="l00032"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542">00032</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic_vector</span><span class="vhdlchar">(</span><span class="vhdllogic"></span><span class="vhdllogic">7</span> <span class="vhdlkeyword">downto</span> <span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">)</span> <span class="vhdlchar">:=</span> <span class="vhdlchar">(</span><span class="vhdlkeyword">others</span> <span class="vhdlchar">=</span><span class="vhdlchar">></span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span><span class="vhdlchar">)</span>; <a name="l00033"></a>00033 <span class="keyword"></span> <a name="l00034"></a>00034 <span class="keyword"> --Outputs</span> <a name="l00035"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a454eb52d3d8a68beafadf3b446cd191d">00035</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a454eb52d3d8a68beafadf3b446cd191d" title="Signal to connect with UUT.">data_sent</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span>; <a name="l00036"></a><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4">00036</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span>; <a name="l00037"></a>00037 <span class="keyword"></span> <a name="l00038"></a>00038 <span class="keyword"> -- Clock period definitions</span> <a name="l00039"></a>00039 <span class="vhdlkeyword">constant</span> <span class="vhdlchar">baudClk_period</span> <span class="vhdlchar">:</span> <span class="comment">time</span> <span class="vhdlchar">:=</span> <span class="vhdllogic"></span><span class="vhdllogic">10</span> <span class="vhdlchar">ns</span>; <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="vhdlkeyword">BEGIN</span> <a name="l00042"></a>00042 <a name="l00044"></a>00044 <a class="code" href="dummy.html#a1619316ad715601eb5d3559db829ac05" title="Instantiate the Unit Under Test (UUT)">uut</a>: <a class="code" href="classserial__transmitter.html">serial_transmitter</a> <span class="vhdlkeyword">PORT</span> <span class="vhdlkeyword">MAP</span> ( <a name="l00045"></a>00045 <a class="code" href="classserial__transmitter.html#a69a21b2223906c06964e170ed8472b60" title="Reset input.">rst</a> => <a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2" title="Signal to connect with UUT.">rst</a>, <a name="l00046"></a>00046 <a class="code" href="classserial__transmitter.html#a37deab9bf997cca5bdba26c411a2c051" title="Baud rate clock input.">baudClk</a> => <a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a> , <a name="l00047"></a>00047 <a class="code" href="classserial__transmitter.html#ab901c30d3e4ea5dec40e2cbcd7d9db54" title="Byte to be sent.">data_byte</a> => <a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a>, <a name="l00048"></a>00048 <a class="code" href="classserial__transmitter.html#a5bd0a4b084d0e368d77bac41cc143a73" title="Indicate that byte has been sent.">data_sent</a> => <a class="code" href="classtest_serial__transmitter_1_1behavior.html#a454eb52d3d8a68beafadf3b446cd191d" title="Signal to connect with UUT.">data_sent</a>, <a name="l00049"></a>00049 <a class="code" href="classserial__transmitter.html#ac65328ce72c56f359addcc4876d091de" title="Uart serial output.">serial_out</a> => <a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a> <a name="l00050"></a>00050 <span class="vhdlchar">)</span>; <a name="l00051"></a>00051 <span class="keyword"></span> <a name="l00052"></a>00052 <span class="keyword"> -- Clock <span class="vhdlkeyword">process</span> definitions</span> <a name="l00053"></a>00053 baudClk_process :<span class="vhdlkeyword">process</span> <a name="l00054"></a>00054 <span class="vhdlkeyword">begin</span> <a name="l00055"></a>00055 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>; <a name="l00056"></a>00056 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">baudClk_period</span><span class="vhdlchar">/</span><span class="vhdllogic"></span><span class="vhdllogic">2</span>; <a name="l00057"></a>00057 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>; <a name="l00058"></a>00058 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">baudClk_period</span><span class="vhdlchar">/</span><span class="vhdllogic"></span><span class="vhdllogic">2</span>; <a name="l00059"></a>00059 <span class="vhdlkeyword">end</span> <span class="vhdlkeyword">process</span>; <a name="l00060"></a>00060 <a name="l00061"></a>00061 <span class="keyword"></span> <a name="l00062"></a>00062 <span class="keyword"> -- Stimulus <span class="vhdlkeyword">process</span></span> <a name="l00063"></a>00063 stim_proc: <span class="vhdlkeyword">process</span> <a name="l00064"></a>00064 <span class="vhdlkeyword">begin</span> <span class="keyword"></span> <a name="l00065"></a>00065 <span class="keyword"> -- Prepare the data <span class="vhdlkeyword">to</span> be sent </span><span class="vhdllogic">0x55</span> <a name="l00066"></a>00066 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2" title="Signal to connect with UUT.">rst</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>; <a name="l00067"></a>00067 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a></span> <span class="vhdlchar"><=</span> <span class="vhdllogic">"01010101"</span>; <a name="l00068"></a>00068 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">50</span> <span class="vhdlchar">ns</span>; <a name="l00069"></a>00069 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2" title="Signal to connect with UUT.">rst</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>; <a name="l00070"></a>00070 <span class="keyword"></span> <a name="l00071"></a>00071 <span class="keyword"> -- Test serial data...</span> <a name="l00072"></a>00072 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar">rising_edge</span><span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span><span class="vhdlchar">)</span>;<span class="keyword"> -- Start <span class="comment">bit</span></span> <a name="l00073"></a>00073 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">1</span> <span class="vhdlchar">ns</span>; <a name="l00074"></a>00074 <span class="vhdlkeyword">assert</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span> <span class="vhdlkeyword">report</span> <span class="keyword">"Invalid value "</span> <span class="vhdlkeyword">severity</span> <span class="vhdlchar">failure</span>; <a name="l00075"></a>00075 <a name="l00076"></a>00076 <span class="vhdlkeyword">for</span> <span class="vhdlchar">numBit</span> <span class="vhdlkeyword">in</span> <span class="vhdllogic"></span><span class="vhdllogic">0</span> <span class="vhdlkeyword">to</span> <span class="vhdllogic"></span><span class="vhdllogic">7</span> <span class="vhdlkeyword">loop</span> <a name="l00077"></a>00077 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar">rising_edge</span><span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span><span class="vhdlchar">)</span>; <a name="l00078"></a>00078 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">1</span> <span class="vhdlchar">ns</span>;<span class="keyword"></span> <a name="l00079"></a>00079 <span class="keyword"> -- The image <span class="vhdlkeyword">attribute</span> convert a typed value into a <span class="comment">string</span></span> <a name="l00080"></a>00080 <span class="vhdlkeyword">report</span> <span class="keyword">"Testing bit:"</span> <span class="vhdlchar">&</span> <span class="comment">integer</span><span class="vhdlchar">'</span><span class="vhdlchar">image</span><span class="vhdlchar">(</span><span class="vhdlchar">numBit</span><span class="vhdlchar">)</span> <span class="vhdlchar">&</span> <span class="keyword">" value "</span> <span class="vhdlchar">&</span> <span class="comment">std_logic</span><span class="vhdlchar">'</span><span class="vhdlchar">image</span><span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span><span class="vhdlchar">)</span>; <a name="l00081"></a>00081 <span class="vhdlkeyword">assert</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a></span><span class="vhdlchar">(</span><span class="vhdlchar">numBit</span><span class="vhdlchar">)</span> <span class="vhdlkeyword">report</span> <span class="keyword">"Invalid value on bit:"</span> <span class="vhdlkeyword">severity</span> <span class="vhdlchar">failure</span>; <a name="l00082"></a>00082 <span class="vhdlkeyword">end</span> <span class="vhdlkeyword">loop</span>; <a name="l00083"></a>00083 <a name="l00084"></a>00084 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a454eb52d3d8a68beafadf3b446cd191d" title="Signal to connect with UUT.">data_sent</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>; <a name="l00085"></a>00085 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">baudClk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">3</span>; <a name="l00086"></a>00086 <span class="keyword"></span> <a name="l00087"></a>00087 <span class="keyword"> -- Prepare the data <span class="vhdlkeyword">to</span> be sent</span> <a name="l00088"></a>00088 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2" title="Signal to connect with UUT.">rst</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>; <a name="l00089"></a>00089 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a></span> <span class="vhdlchar"><=</span> <span class="vhdllogic">"11000100"</span>; <a name="l00090"></a>00090 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">50</span> <span class="vhdlchar">ns</span>; <a name="l00091"></a>00091 <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a12c66e4ac0518c4036d8d5cb9bd6f8e2" title="Signal to connect with UUT.">rst</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>; <a name="l00092"></a>00092 <span class="keyword"></span> <a name="l00093"></a>00093 <span class="keyword"> -- Test serial data...</span> <a name="l00094"></a>00094 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar">rising_edge</span><span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span><span class="vhdlchar">)</span>;<span class="keyword"> -- Start <span class="comment">bit</span></span> <a name="l00095"></a>00095 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">1</span> <span class="vhdlchar">ns</span>; <a name="l00096"></a>00096 <span class="vhdlkeyword">assert</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span> <span class="vhdlkeyword">report</span> <span class="keyword">"Invalid value "</span> <span class="vhdlkeyword">severity</span> <span class="vhdlchar">failure</span>; <a name="l00097"></a>00097 <a name="l00098"></a>00098 <span class="vhdlkeyword">for</span> <span class="vhdlchar">numBit</span> <span class="vhdlkeyword">in</span> <span class="vhdllogic"></span><span class="vhdllogic">0</span> <span class="vhdlkeyword">to</span> <span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a></span><span class="vhdlchar">'</span><span class="vhdlchar">LENGTH</span><span class="vhdlchar">-</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">)</span> <span class="vhdlkeyword">loop</span><span class="keyword"></span> <a name="l00099"></a>00099 <span class="keyword"> -- <span class="vhdlkeyword">Wait</span> <span class="vhdlkeyword">for</span> the clock rising edge</span> <a name="l00100"></a>00100 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar">rising_edge</span><span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aceba32fa493623b323a021347f81ebcc" title="Signal to connect with UUT.">baudClk</a></span><span class="vhdlchar">)</span>; <a name="l00101"></a>00101 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">1</span> <span class="vhdlchar">ns</span>; <a name="l00102"></a>00102 <span class="vhdlkeyword">report</span> <span class="keyword">"Testing bit:"</span> <span class="vhdlchar">&</span> <span class="comment">integer</span><span class="vhdlchar">'</span><span class="vhdlchar">image</span><span class="vhdlchar">(</span><span class="vhdlchar">numBit</span><span class="vhdlchar">)</span> <span class="vhdlchar">&</span> <span class="keyword">" value "</span> <span class="vhdlchar">&</span> <span class="comment">std_logic</span><span class="vhdlchar">'</span><span class="vhdlchar">image</span><span class="vhdlchar">(</span><span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span><span class="vhdlchar">)</span>; <a name="l00103"></a>00103 <span class="vhdlkeyword">assert</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a3b95f4d3bff226763ad3cc72f8a049a4" title="Signal to connect with UUT.">serial_out</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#aa05926a515d556de8315b11867ddc542" title="Signal to connect with UUT.">data_byte</a></span><span class="vhdlchar">(</span><span class="vhdlchar">numBit</span><span class="vhdlchar">)</span> <span class="vhdlkeyword">report</span> <span class="keyword">"Invalid value on bit:"</span> <span class="vhdlkeyword">severity</span> <span class="vhdlchar">failure</span>; <a name="l00104"></a>00104 <span class="vhdlkeyword">end</span> <span class="vhdlkeyword">loop</span>; <a name="l00105"></a>00105 <a name="l00106"></a>00106 <a name="l00107"></a>00107 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar"><a class="code" href="classtest_serial__transmitter_1_1behavior.html#a454eb52d3d8a68beafadf3b446cd191d" title="Signal to connect with UUT.">data_sent</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>; <a name="l00108"></a>00108 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">baudClk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">3</span>; <a name="l00109"></a>00109 <span class="keyword"></span> <a name="l00110"></a>00110 <span class="keyword"> -- Stop Simulation</span> <a name="l00111"></a>00111 <span class="vhdlkeyword">assert</span> <span class="vhdlchar">false</span> <span class="vhdlkeyword">report</span> <span class="keyword">"NONE. End of simulation."</span> <span class="vhdlkeyword">severity</span> <span class="vhdlchar">failure</span>; <a name="l00112"></a>00112 <a name="l00113"></a>00113 <span class="vhdlkeyword">wait</span>; <a name="l00114"></a>00114 <span class="vhdlkeyword">end</span> <span class="vhdlkeyword">process</span>; <a name="l00115"></a>00115 <a name="l00116"></a>00116 <span class="vhdlkeyword">END</span>; </pre></div></div><!-- contents --> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="test_serial__transmitter_8vhd.html">testSerial_transmitter.vhd</a> </li> <li class="footer">Generated on Sat May 12 2012 22:28:05 for Uart wishbone slave Documentation by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.0 </li> </ul> </div> </body> </html>