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<a href="test_uart__communication__block_8vhd.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
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| 115 |
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<a name="l00003"></a>00003
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| 116 |
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<a name="l00005"></a>00005 <span class="vhdlkeyword">LIBRARY </span><span class="keywordflow">ieee</span>;
|
| 117 |
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<a name="l00006"></a>00006 <span class="vhdlkeyword">USE </span>ieee.std_logic_1164.<span class="vhdlkeyword">ALL</span>;
|
| 118 |
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<a name="l00007"></a>00007 <span class="vhdlkeyword">use </span>ieee.std_logic_unsigned.<span class="vhdlkeyword">all</span>;
|
| 119 |
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<a name="l00008"></a>00008 <span class="vhdlkeyword">use </span>ieee.std_logic_arith.<span class="vhdlkeyword">all</span>;
|
| 120 |
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<a name="l00009"></a>00009
|
| 121 |
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<a name="l00011"></a><a class="code" href="classtest_uart__communication__block.html#ac442dca664056131bdaf5c92e4351e01">00011</a> <span class="vhdlkeyword">use </span>work.pkgDefinitions.<span class="vhdlkeyword">all</span>;
|
| 122 |
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<a name="l00012"></a>00012
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| 123 |
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<a name="l00013"></a><a class="code" href="classtest_uart__communication__block.html">00013</a> <span class="keywordflow">ENTITY </span><a class="code" href="classtest_uart__communication__block.html">testUart_communication_block</a> <span class="vhdlkeyword">IS</span>
|
| 124 |
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<a name="l00014"></a>00014 <span class="vhdlkeyword">END</span> <span class="vhdlchar">testUart_communication_block</span>;
|
| 125 |
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<a name="l00015"></a>00015
|
| 126 |
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<a name="l00018"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html">00018</a> <span class="vhdlkeyword">ARCHITECTURE</span> behavior <span class="vhdlkeyword">OF</span> <a class="code" href="classtest_uart__communication__block.html">testUart_communication_block</a> IS
|
| 127 |
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<a name="l00019"></a>00019 <span class="keyword"></span>
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| 128 |
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<a name="l00020"></a>00020 <span class="keyword"> -- <span class="vhdlkeyword">Component</span> Declaration <span class="vhdlkeyword">for</span> the Unit Under Test (UUT)</span>
|
| 129 |
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<a name="l00021"></a>00021
|
| 130 |
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|
<a name="l00022"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a18ccf3bd92a7406c724baa00eaa9b168">00022</a> <span class="vhdlkeyword">COMPONENT</span> <a class="code" href="classuart__communication__blocks.html">uart_communication_blocks</a>
|
| 131 |
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<a name="l00023"></a>00023 <span class="vhdlkeyword">Port</span> ( <a class="code" href="classuart__communication__blocks.html#a8951f9e34071cb1a681f0339ce4b63c4" title="Global reset.">rst</a> : <span class="vhdlkeyword">in</span> <span class="comment">STD_LOGIC</span>;
|
| 132 |
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|
<a name="l00024"></a>00024 <a class="code" href="classuart__communication__blocks.html#a3fe846251d47f950195c2f54bd129c61" title="Global clock.">clk</a> : <span class="vhdlkeyword">in</span> <span class="comment">STD_LOGIC</span>;
|
| 133 |
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|
<a name="l00025"></a>00025 <a class="code" href="classuart__communication__blocks.html#afa18bfa78951934bdb69cd7109c05aa3" title="Number of cycles to wait in order to generate desired baud.">cycle_wait_baud</a> : <span class="vhdlkeyword">in</span> <span class="comment">std_logic_vector</span>((nBitsLarge<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>);
|
| 134 |
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|
<a name="l00026"></a>00026 <a class="code" href="classuart__communication__blocks.html#a8cf74bfe6ea9ebd58f54385e60bcdb81" title="Byte to transmit.">byte_tx</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>);
|
| 135 |
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|
<a name="l00027"></a>00027 <a class="code" href="classuart__communication__blocks.html#af86c06321eda298448164ea4af314d9d" title="Byte to receive.">byte_rx</a> : <span class="vhdlkeyword">out</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>);
|
| 136 |
|
|
<a name="l00028"></a>00028 <a class="code" href="classuart__communication__blocks.html#a6911204ed04f303c8c0aeb381132178f" title="Indicate that byte has been sent.">data_sent_tx</a> : <span class="vhdlkeyword">out</span> <span class="comment">STD_LOGIC</span>;
|
| 137 |
|
|
<a name="l00029"></a>00029 <a class="code" href="classuart__communication__blocks.html#a660ac404fdc70a7d4ac57286d0916c4a" title="Indicate that we got a byte.">data_received_rx</a> : <span class="vhdlkeyword">out</span> <span class="comment">STD_LOGIC</span>;
|
| 138 |
|
|
<a name="l00030"></a>00030 <a class="code" href="classuart__communication__blocks.html#a663f39bc9103a1c89116711a4d4f2fbc" title="Uart serial out.">serial_out</a> : <span class="vhdlkeyword">out</span> <span class="comment">std_logic</span>;
|
| 139 |
|
|
<a name="l00031"></a>00031 <a class="code" href="classuart__communication__blocks.html#ab5c23ea4f1cdfe2567b19e81909ecfc0" title="Uart serial in.">serial_in</a> : <span class="vhdlkeyword">in</span> <span class="comment">std_logic</span>;
|
| 140 |
|
|
<a name="l00032"></a>00032 <a class="code" href="classuart__communication__blocks.html#a2e4fb6cc48dc8f0ec684c80468ae6801" title="Initiate transmission.">start_tx</a> : <span class="vhdlkeyword">in</span> <span class="comment">STD_LOGIC</span>);
|
| 141 |
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<a name="l00033"></a>00033 <span class="vhdlkeyword">END</span> <span class="vhdlkeyword">COMPONENT</span>;
|
| 142 |
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<a name="l00034"></a>00034
|
| 143 |
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<a name="l00035"></a>00035 <span class="keyword"></span>
|
| 144 |
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<a name="l00036"></a>00036 <span class="keyword"> --Inputs</span>
|
| 145 |
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<a name="l00037"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a248880720a09137a5e04e70521001f1b">00037</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a248880720a09137a5e04e70521001f1b" 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>;
|
| 146 |
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|
<a name="l00038"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a558455b32aceac51fe4f45fc29deeda2">00038</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a558455b32aceac51fe4f45fc29deeda2" title="Signal to connect with UUT.">clk</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>;
|
| 147 |
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|
<a name="l00039"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a4c08915531add3ce903585abd8aa7c32">00039</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a4c08915531add3ce903585abd8aa7c32" title="Signal to connect with UUT.">cycle_wait_baud</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic_vector</span><span class="vhdlchar">(</span><span class="vhdlchar">(</span><span class="vhdlchar">nBitsLarge</span><span class="vhdlchar">-</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">)</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>;
|
| 148 |
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|
<a name="l00040"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a51999b58f4bf8bec91d41e23ba241e9f">00040</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a51999b58f4bf8bec91d41e23ba241e9f" title="Signal to connect with UUT.">byte_tx</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic_vector</span><span class="vhdlchar">(</span><span class="vhdlchar">(</span><span class="vhdlchar">nBits</span><span class="vhdlchar">-</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">)</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>;
|
| 149 |
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|
<a name="l00041"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e">00041</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</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>;
|
| 150 |
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|
<a name="l00042"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f">00042</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</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>;
|
| 151 |
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<a name="l00043"></a>00043 <span class="keyword"></span>
|
| 152 |
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<a name="l00044"></a>00044 <span class="keyword"> --Outputs</span>
|
| 153 |
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<a name="l00045"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a1e6d0e7b0a499eb191f1739ac27a3ee9">00045</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a1e6d0e7b0a499eb191f1739ac27a3ee9" title="Signal to connect with UUT.">byte_rx</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic_vector</span><span class="vhdlchar">(</span><span class="vhdlchar">(</span><span class="vhdlchar">nBits</span><span class="vhdlchar">-</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">)</span> <span class="vhdlkeyword">downto</span> <span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">)</span>;
|
| 154 |
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<a name="l00046"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a8f1ff141670d1dee066d28d88e7c7332">00046</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a8f1ff141670d1dee066d28d88e7c7332" title="Signal to connect with UUT.">data_sent_tx</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span>;
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| 155 |
|
|
<a name="l00047"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a0754d26733fa0f39b326e8baddca869a">00047</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a0754d26733fa0f39b326e8baddca869a" title="Signal to connect with UUT.">data_received_rx</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span>;
|
| 156 |
|
|
<a name="l00048"></a><a class="code" href="classtest_uart__communication__block_1_1behavior.html#af282f34f154c9704a0f28c8f5a95123b">00048</a> <span class="vhdlkeyword">signal</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#af282f34f154c9704a0f28c8f5a95123b" title="Signal to connect with UUT.">serial_out</a></span> <span class="vhdlchar">:</span> <span class="comment">std_logic</span>;
|
| 157 |
|
|
<a name="l00049"></a>00049 <span class="keyword"></span>
|
| 158 |
|
|
<a name="l00050"></a>00050 <span class="keyword"> -- Clock period definitions </span>
|
| 159 |
|
|
<a name="l00051"></a>00051 <span class="vhdlkeyword">constant</span> <span class="vhdlchar">clk_period</span> <span class="vhdlchar">:</span> <span class="comment">time</span> <span class="vhdlchar">:=</span> <span class="vhdllogic"></span><span class="vhdllogic">20</span> <span class="vhdlchar">ns</span>;<span class="keyword"> -- </span><span class="vhdllogic">0</span>.543us (<span class="vhdllogic">1</span>.8432Mhz) 20ns (50Mhz)
|
| 160 |
|
|
<a name="l00052"></a>00052
|
| 161 |
|
|
<a name="l00053"></a>00053 <span class="vhdlkeyword">BEGIN</span>
|
| 162 |
|
|
<a name="l00054"></a>00054
|
| 163 |
|
|
<a name="l00056"></a>00056 <a class="code" href="dummy.html#a1619316ad715601eb5d3559db829ac05" title="Instantiate the Unit Under Test (UUT)">uut</a>: <a class="code" href="classuart__communication__blocks.html">uart_communication_blocks</a> <span class="vhdlkeyword">PORT</span> <span class="vhdlkeyword">MAP</span> (
|
| 164 |
|
|
<a name="l00057"></a>00057 <a class="code" href="classuart__communication__blocks.html#a8951f9e34071cb1a681f0339ce4b63c4" title="Global reset.">rst</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a248880720a09137a5e04e70521001f1b" title="Signal to connect with UUT.">rst</a>,
|
| 165 |
|
|
<a name="l00058"></a>00058 <a class="code" href="classuart__communication__blocks.html#a3fe846251d47f950195c2f54bd129c61" title="Global clock.">clk</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a558455b32aceac51fe4f45fc29deeda2" title="Signal to connect with UUT.">clk</a>,
|
| 166 |
|
|
<a name="l00059"></a>00059 <a class="code" href="classuart__communication__blocks.html#afa18bfa78951934bdb69cd7109c05aa3" title="Number of cycles to wait in order to generate desired baud.">cycle_wait_baud</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a4c08915531add3ce903585abd8aa7c32" title="Signal to connect with UUT.">cycle_wait_baud</a>,
|
| 167 |
|
|
<a name="l00060"></a>00060 <a class="code" href="classuart__communication__blocks.html#a8cf74bfe6ea9ebd58f54385e60bcdb81" title="Byte to transmit.">byte_tx</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a51999b58f4bf8bec91d41e23ba241e9f" title="Signal to connect with UUT.">byte_tx</a> ,
|
| 168 |
|
|
<a name="l00061"></a>00061 <a class="code" href="classuart__communication__blocks.html#af86c06321eda298448164ea4af314d9d" title="Byte to receive.">byte_rx</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a1e6d0e7b0a499eb191f1739ac27a3ee9" title="Signal to connect with UUT.">byte_rx</a> ,
|
| 169 |
|
|
<a name="l00062"></a>00062 <a class="code" href="classuart__communication__blocks.html#a6911204ed04f303c8c0aeb381132178f" title="Indicate that byte has been sent.">data_sent_tx</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a8f1ff141670d1dee066d28d88e7c7332" title="Signal to connect with UUT.">data_sent_tx</a>,
|
| 170 |
|
|
<a name="l00063"></a>00063 <a class="code" href="classuart__communication__blocks.html#a660ac404fdc70a7d4ac57286d0916c4a" title="Indicate that we got a byte.">data_received_rx</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#a0754d26733fa0f39b326e8baddca869a" title="Signal to connect with UUT.">data_received_rx</a>,
|
| 171 |
|
|
<a name="l00064"></a>00064 <a class="code" href="classuart__communication__blocks.html#a663f39bc9103a1c89116711a4d4f2fbc" title="Uart serial out.">serial_out</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#af282f34f154c9704a0f28c8f5a95123b" title="Signal to connect with UUT.">serial_out</a>,
|
| 172 |
|
|
<a name="l00065"></a>00065 <a class="code" href="classuart__communication__blocks.html#ab5c23ea4f1cdfe2567b19e81909ecfc0" title="Uart serial in.">serial_in</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a>,
|
| 173 |
|
|
<a name="l00066"></a>00066 <a class="code" href="classuart__communication__blocks.html#a2e4fb6cc48dc8f0ec684c80468ae6801" title="Initiate transmission.">start_tx</a> => <a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</a>
|
| 174 |
|
|
<a name="l00067"></a>00067 <span class="vhdlchar">)</span>;
|
| 175 |
|
|
<a name="l00068"></a>00068 <span class="keyword"></span>
|
| 176 |
|
|
<a name="l00069"></a>00069 <span class="keyword"> -- Clock <span class="vhdlkeyword">process</span> definitions</span>
|
| 177 |
|
|
<a name="l00070"></a>00070 clk_process :<span class="vhdlkeyword">process</span>
|
| 178 |
|
|
<a name="l00071"></a>00071 <span class="vhdlkeyword">begin</span>
|
| 179 |
|
|
<a name="l00072"></a>00072 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a558455b32aceac51fe4f45fc29deeda2" title="Signal to connect with UUT.">clk</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 180 |
|
|
<a name="l00073"></a>00073 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">/</span><span class="vhdllogic"></span><span class="vhdllogic">2</span>;
|
| 181 |
|
|
<a name="l00074"></a>00074 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a558455b32aceac51fe4f45fc29deeda2" title="Signal to connect with UUT.">clk</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 182 |
|
|
<a name="l00075"></a>00075 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">/</span><span class="vhdllogic"></span><span class="vhdllogic">2</span>;
|
| 183 |
|
|
<a name="l00076"></a>00076 <span class="vhdlkeyword">end</span> <span class="vhdlkeyword">process</span>;
|
| 184 |
|
|
<a name="l00077"></a>00077
|
| 185 |
|
|
<a name="l00078"></a>00078 <span class="keyword"></span>
|
| 186 |
|
|
<a name="l00079"></a>00079 <span class="keyword"> -- Stimulus <span class="vhdlkeyword">process</span></span>
|
| 187 |
|
|
<a name="l00080"></a>00080 stim_proc: <span class="vhdlkeyword">process</span>
|
| 188 |
|
|
<a name="l00081"></a>00081 <span class="vhdlkeyword">begin</span> <span class="keyword"></span>
|
| 189 |
|
|
<a name="l00082"></a>00082 <span class="keyword"> -- Setup communication blocks</span>
|
| 190 |
|
|
<a name="l00083"></a>00083 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a248880720a09137a5e04e70521001f1b" 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>;
|
| 191 |
|
|
<a name="l00084"></a>00084 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;<span class="keyword"> -- Idle..</span>
|
| 192 |
|
|
<a name="l00085"></a>00085 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a4c08915531add3ce903585abd8aa7c32" title="Signal to connect with UUT.">cycle_wait_baud</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">conv_std_logic_vector</span><span class="vhdlchar">(</span><span class="vhdllogic"></span><span class="vhdllogic">434</span><span class="vhdlchar">,</span> <span class="vhdlchar">(</span><span class="vhdlchar">nBitsLarge</span><span class="vhdlchar">)</span><span class="vhdlchar">)</span>;
|
| 193 |
|
|
<a name="l00086"></a>00086 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 194 |
|
|
<a name="l00087"></a>00087 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">2</span> <span class="vhdlchar">ns</span>;
|
| 195 |
|
|
<a name="l00088"></a>00088 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a248880720a09137a5e04e70521001f1b" 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>;
|
| 196 |
|
|
<a name="l00089"></a>00089 <span class="keyword"></span>
|
| 197 |
|
|
<a name="l00090"></a>00090 <span class="keyword"> -- Send data..</span>
|
| 198 |
|
|
<a name="l00091"></a>00091 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 199 |
|
|
<a name="l00092"></a>00092 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a51999b58f4bf8bec91d41e23ba241e9f" title="Signal to connect with UUT.">byte_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdllogic">"01010101"</span>;
|
| 200 |
|
|
<a name="l00093"></a>00093 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a8f1ff141670d1dee066d28d88e7c7332" title="Signal to connect with UUT.">data_sent_tx</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 201 |
|
|
<a name="l00094"></a>00094
|
| 202 |
|
|
<a name="l00095"></a>00095 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">3</span>;
|
| 203 |
|
|
<a name="l00096"></a>00096 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 204 |
|
|
<a name="l00097"></a>00097 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">3</span>;
|
| 205 |
|
|
<a name="l00098"></a>00098
|
| 206 |
|
|
<a name="l00099"></a>00099 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 207 |
|
|
<a name="l00100"></a>00100 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a51999b58f4bf8bec91d41e23ba241e9f" title="Signal to connect with UUT.">byte_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdllogic">"11000100"</span>;
|
| 208 |
|
|
<a name="l00101"></a>00101 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">until</span> <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#a8f1ff141670d1dee066d28d88e7c7332" title="Signal to connect with UUT.">data_sent_tx</a></span> <span class="vhdlchar">=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 209 |
|
|
<a name="l00102"></a>00102
|
| 210 |
|
|
<a name="l00103"></a>00103 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">3</span>;
|
| 211 |
|
|
<a name="l00104"></a>00104 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#acc9c08fe2957eb6987969db4ad32eb3f" title="Signal to connect with UUT.">start_tx</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 212 |
|
|
<a name="l00105"></a>00105 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">3</span>;
|
| 213 |
|
|
<a name="l00106"></a>00106 <span class="keyword"></span>
|
| 214 |
|
|
<a name="l00107"></a>00107 <span class="keyword"> -- Receive data...</span><span class="keyword"></span>
|
| 215 |
|
|
<a name="l00108"></a>00108 <span class="keyword"> -- Receive </span><span class="vhdllogic">0x55</span> value (<span class="vhdllogic">01010101</span>)
|
| 216 |
|
|
<a name="l00109"></a>00109 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</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="keyword"> -- Start <span class="comment">bit</span></span>
|
| 217 |
|
|
<a name="l00110"></a>00110 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 218 |
|
|
<a name="l00111"></a>00111
|
| 219 |
|
|
<a name="l00112"></a>00112 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 220 |
|
|
<a name="l00113"></a>00113 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 221 |
|
|
<a name="l00114"></a>00114 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 222 |
|
|
<a name="l00115"></a>00115 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 223 |
|
|
<a name="l00116"></a>00116 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 224 |
|
|
<a name="l00117"></a>00117 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 225 |
|
|
<a name="l00118"></a>00118 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 226 |
|
|
<a name="l00119"></a>00119 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 227 |
|
|
<a name="l00120"></a>00120 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 228 |
|
|
<a name="l00121"></a>00121 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 229 |
|
|
<a name="l00122"></a>00122 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 230 |
|
|
<a name="l00123"></a>00123 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 231 |
|
|
<a name="l00124"></a>00124 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 232 |
|
|
<a name="l00125"></a>00125 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 233 |
|
|
<a name="l00126"></a>00126 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 234 |
|
|
<a name="l00127"></a>00127 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 235 |
|
|
<a name="l00128"></a>00128 <span class="keyword"></span>
|
| 236 |
|
|
<a name="l00129"></a>00129 <span class="keyword"> -- Stop <span class="comment">bit</span> here</span>
|
| 237 |
|
|
<a name="l00130"></a>00130 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 238 |
|
|
<a name="l00131"></a>00131 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">200</span>;
|
| 239 |
|
|
<a name="l00132"></a>00132 <span class="keyword"></span>
|
| 240 |
|
|
<a name="l00133"></a>00133 <span class="keyword"> -- Receive </span><span class="vhdllogic">0xC4</span> value (<span class="vhdllogic">11000100</span>)
|
| 241 |
|
|
<a name="l00134"></a>00134 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</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="keyword"> -- Start <span class="comment">bit</span></span>
|
| 242 |
|
|
<a name="l00135"></a>00135 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 243 |
|
|
<a name="l00136"></a>00136
|
| 244 |
|
|
<a name="l00137"></a>00137 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 245 |
|
|
<a name="l00138"></a>00138 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 246 |
|
|
<a name="l00139"></a>00139 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 247 |
|
|
<a name="l00140"></a>00140 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 248 |
|
|
<a name="l00141"></a>00141 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 249 |
|
|
<a name="l00142"></a>00142 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 250 |
|
|
<a name="l00143"></a>00143 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 251 |
|
|
<a name="l00144"></a>00144 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 252 |
|
|
<a name="l00145"></a>00145 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 253 |
|
|
<a name="l00146"></a>00146 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 254 |
|
|
<a name="l00147"></a>00147 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">0</span><span class="vhdlchar">'</span>;
|
| 255 |
|
|
<a name="l00148"></a>00148 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 256 |
|
|
<a name="l00149"></a>00149 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 257 |
|
|
<a name="l00150"></a>00150 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 258 |
|
|
<a name="l00151"></a>00151 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 259 |
|
|
<a name="l00152"></a>00152 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdllogic"></span><span class="vhdllogic">8</span>.<span class="vhdllogic">68</span> <span class="vhdlchar">us</span>;
|
| 260 |
|
|
<a name="l00153"></a>00153 <span class="keyword"></span>
|
| 261 |
|
|
<a name="l00154"></a>00154 <span class="keyword"> -- Stop <span class="comment">bit</span> here</span>
|
| 262 |
|
|
<a name="l00155"></a>00155 <span class="vhdlchar"><a class="code" href="classtest_uart__communication__block_1_1behavior.html#aa9ffae81538ad5181d6c756c3cd7df2e" title="Signal to connect with UUT.">serial_in</a></span> <span class="vhdlchar"><=</span> <span class="vhdlchar">'</span><span class="vhdllogic"></span><span class="vhdllogic">1</span><span class="vhdlchar">'</span>;
|
| 263 |
|
|
<a name="l00156"></a>00156 <span class="vhdlkeyword">wait</span> <span class="vhdlkeyword">for</span> <span class="vhdlchar">clk_period</span><span class="vhdlchar">*</span><span class="vhdllogic"></span><span class="vhdllogic">200</span>;
|
| 264 |
|
|
<a name="l00157"></a>00157
|
| 265 |
|
|
<a name="l00158"></a>00158
|
| 266 |
|
|
<a name="l00159"></a>00159 <span class="keyword"></span>
|
| 267 |
|
|
<a name="l00160"></a>00160 <span class="keyword"> -- Stop Simulation</span>
|
| 268 |
|
|
<a name="l00161"></a>00161 <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>;
|
| 269 |
|
|
<a name="l00162"></a>00162
|
| 270 |
|
|
<a name="l00163"></a>00163 <span class="vhdlkeyword">end</span> <span class="vhdlkeyword">process</span>;
|
| 271 |
|
|
<a name="l00164"></a>00164
|
| 272 |
|
|
<a name="l00165"></a>00165 <span class="vhdlkeyword">END</span>;
|
| 273 |
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</pre></div></div><!-- contents -->
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| 274 |
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</div>
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| 275 |
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<div id="nav-path" class="navpath">
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| 276 |
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<ul>
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| 277 |
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<li class="navelem"><a class="el" href="test_uart__communication__block_8vhd.html">testUart_communication_block.vhd</a> </li>
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| 278 |
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| 279 |
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<li class="footer">Generated on Sat May 12 2012 22:28:05 for Uart wishbone slave Documentation by
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<a href="http://www.doxygen.org/index.html">
|
| 281 |
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.0 </li>
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