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deeaitch
2026-06-14 21:05:20 -04:00
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<title>DBC Framework: dbc_decoder.cpp Source File</title>
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<div id="projectname">DBC framework
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<div id="projectbrief">DBC parsing and CAN signal decoding framework</div>
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<a href="dbc__decoder_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/**</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * @file dbc_decoder.cpp</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * @brief</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * Created: 2026-03-13</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * Author: Deeaitch (Dim. Himro)</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> *</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * Licensed under the MIT License.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * See LICENSE file in the project root for full license text.</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> */</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<a href="dbc__decoder_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &quot;<a class="code" href="dbc__decoder_8h.html">dbc_decoder.h</a>&quot;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"><a class="line" href="classDbcDecoder.html#ab2cfb2fb711c95d3a29365546b89f3da"> 14</a></span><span class="keyword">const</span> <a class="code hl_struct" href="structDecodeFrame.html">DecodeFrame</a> *<a class="code hl_function" href="classDbcDecoder.html#ab2cfb2fb711c95d3a29365546b89f3da">DbcDecoder::FindFrame</a> (<span class="keyword">const</span> <a class="code hl_struct" href="structDecodeDatabase.html">DecodeDatabase</a> &amp;database,</div>
@@ -65,16 +94,16 @@
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">bool</span> isExtended)<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">const</span> <a class="code hl_struct" href="structFrameKey.html">FrameKey</a> key (canId, isExtended);</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">const</span> std::unordered_map&lt;FrameKey, std::size_t, FrameKeyHasher&gt;::const_iterator it =</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> database.<a class="code hl_variable" href="structDecodeDatabase.html#ae4fd1351008bb0dce337821a849100c5">frameIndexByKey</a>.find (key);</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> database.frameIndexByKey.find (key);</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keywordflow">if</span> (it == database.<a class="code hl_variable" href="structDecodeDatabase.html#ae4fd1351008bb0dce337821a849100c5">frameIndexByKey</a>.end())</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keywordflow">if</span> (it == database.frameIndexByKey.end())</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">const</span> std::size_t index = it-&gt;second;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keywordflow">if</span> (index &gt;= database.<a class="code hl_variable" href="structDecodeDatabase.html#a2bd4ddfc2602c1de4e12a373bfc93072">frames</a>.size())</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keywordflow">if</span> (index &gt;= database.frames.size())</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keywordflow">return</span> &amp;database.<a class="code hl_variable" href="structDecodeDatabase.html#a2bd4ddfc2602c1de4e12a373bfc93072">frames</a>[index];</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keywordflow">return</span> &amp;database.frames[index];</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>}</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"><a class="line" href="classDbcDecoder.html#a345951ffe5d943a70d3a1ea1f39e74f7"> 31</a></span><a class="code hl_struct" href="structDecodedFrameValue.html">DecodedFrameValue</a> <a class="code hl_function" href="classDbcDecoder.html#a345951ffe5d943a70d3a1ea1f39e74f7">DbcDecoder::Decode</a> (<span class="keyword">const</span> <a class="code hl_struct" href="structDecodeDatabase.html">DecodeDatabase</a> &amp;database,</div>
@@ -88,21 +117,21 @@
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> result.<a class="code hl_variable" href="structDecodedFrameValue.html#a60dda1cc352d2c8087f0bdbc81dd266c">definition</a> = definition;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> result.<a class="code hl_variable" href="structDecodedFrameValue.html#a4f51c31110dba1f73a763c596372beb0">valid</a> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">for</span> (std::size_t signalIndex = 0U; signalIndex &lt; definition-&gt;<a class="code hl_variable" href="structDecodeFrame.html#a372afd9e74f1ae33f85cb4acfd3e2036">signals</a>.size(); ++signalIndex) {</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">const</span> <a class="code hl_struct" href="structDecodeSignal.html">DecodeSignal</a> &amp;signal = definition-&gt;<a class="code hl_variable" href="structDecodeFrame.html#a372afd9e74f1ae33f85cb4acfd3e2036">signals</a>[signalIndex];</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">for</span> (std::size_t signalIndex = 0U; signalIndex &lt; definition-&gt;signals.size(); ++signalIndex) {</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">const</span> <a class="code hl_struct" href="structDecodeSignal.html">DecodeSignal</a> &amp;signal = definition-&gt;signals[signalIndex];</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_struct" href="structDecodedSignalValue.html">DecodedSignalValue</a> decoded;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> std::uint64_t unsignedValue = 0U;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#acadc3b3bb21dd6b0412d342c7e6b20d7">definition</a> = &amp;signal;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classDbcDecoder.html#a2a8a99b1107543be6fd1b3f891130bf5">ExtractUnsigned</a> (frame.<a class="code hl_variable" href="structRawCanFrame.html#a0acb487612104c99c9907344c035df83">data</a>, signal, unsignedValue)) {</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">if</span> (!ExtractUnsigned (frame.<a class="code hl_variable" href="structRawCanFrame.html#a0acb487612104c99c9907344c035df83">data</a>, signal, unsignedValue)) {</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#aac0ed361af545cde48d0e6f41a859686">valid</a> = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> result.<a class="code hl_variable" href="structDecodedFrameValue.html#a8440e0e5d7953102095b029f522022d3">signals</a>.push_back (decoded);</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> result.signals.push_back (decoded);</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">if</span> (signal.<a class="code hl_variable" href="structDecodeSignal.html#a9d37638129263b8902ba5be59baf39a8">valueType</a> == <a class="code hl_enumvalue" href="decode__database_8h.html#ad9971b6ef33e02ba2c75d19c1d2518a1a71fed0c3428bf1a2e19af257c4bac379">ValueType::Signed</a>)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a5138b825940e34689f7b3891627ee9ec">rawValue</a> = <a class="code hl_function" href="classDbcDecoder.html#a41e89e343338088d27e46773fa52df42">SignExtend</a> (unsignedValue, signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a>);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">if</span> (signal.<a class="code hl_variable" href="structDecodeSignal.html#a9d37638129263b8902ba5be59baf39a8">valueType</a> == ValueType::Signed)</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a5138b825940e34689f7b3891627ee9ec">rawValue</a> = SignExtend (unsignedValue, signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a>);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a5138b825940e34689f7b3891627ee9ec">rawValue</a> = <span class="keyword">static_cast&lt;</span>std::int64_t<span class="keyword">&gt;</span> (unsignedValue);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
@@ -110,25 +139,25 @@
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> (<span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span> (decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a5138b825940e34689f7b3891627ee9ec">rawValue</a>) * signal.<a class="code hl_variable" href="structDecodeSignal.html#a428c39913a366a8476dd291061354391">factor</a>) + signal.<a class="code hl_variable" href="structDecodeSignal.html#a92db637af4e224a0ae70173050dc3f74">offset</a>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#aac0ed361af545cde48d0e6f41a859686">valid</a> = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> result.<a class="code hl_variable" href="structDecodedFrameValue.html#a8440e0e5d7953102095b029f522022d3">signals</a>.push_back (decoded);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> result.signals.push_back (decoded);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> }</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span>}</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classDbcDecoder.html#a2a8a99b1107543be6fd1b3f891130bf5"> 70</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classDbcDecoder.html#a2a8a99b1107543be6fd1b3f891130bf5">DbcDecoder::ExtractUnsigned</a> (<span class="keyword">const</span> std::vector&lt;std::uint8_t&gt; &amp;data,</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="keywordtype">bool</span> DbcDecoder::ExtractUnsigned (<span class="keyword">const</span> std::vector&lt;std::uint8_t&gt; &amp;data,</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">const</span> <a class="code hl_struct" href="structDecodeSignal.html">DecodeSignal</a> &amp;signal,</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> std::uint64_t &amp;value) {</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">if</span> ((signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a> == 0U) || (signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a> &gt; 64U))</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">if</span> (signal.<a class="code hl_variable" href="structDecodeSignal.html#abdc4c4bb4a67a6d61d6ca81e8a52833d">byteOrder</a> == <a class="code hl_enumvalue" href="decode__database_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baff97a9fdede09eaf6e1c8ec9f6a61dd5">ByteOrder::Intel</a>)</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classDbcDecoder.html#aba130165c1a73bb4cd3a0454f415d872">ExtractIntel</a> (data, signal.<a class="code hl_variable" href="structDecodeSignal.html#aaf5d7527ddf65b6355c2b4f3626df22d">startBit</a>, signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a>, value);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">if</span> (signal.<a class="code hl_variable" href="structDecodeSignal.html#abdc4c4bb4a67a6d61d6ca81e8a52833d">byteOrder</a> == ByteOrder::Intel)</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> ExtractIntel (data, signal.<a class="code hl_variable" href="structDecodeSignal.html#aaf5d7527ddf65b6355c2b4f3626df22d">startBit</a>, signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a>, value);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classDbcDecoder.html#aede690734148c3d538105d5a2f7ee0a9">ExtractMotorola</a> (data, signal.<a class="code hl_variable" href="structDecodeSignal.html#aaf5d7527ddf65b6355c2b4f3626df22d">startBit</a>, signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a>, value);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> ExtractMotorola (data, signal.<a class="code hl_variable" href="structDecodeSignal.html#aaf5d7527ddf65b6355c2b4f3626df22d">startBit</a>, signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a>, value);</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"><a class="line" href="classDbcDecoder.html#aba130165c1a73bb4cd3a0454f415d872"> 82</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classDbcDecoder.html#aba130165c1a73bb4cd3a0454f415d872">DbcDecoder::ExtractIntel</a> (<span class="keyword">const</span> std::vector&lt;std::uint8_t&gt; &amp;data,</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="keywordtype">bool</span> DbcDecoder::ExtractIntel (<span class="keyword">const</span> std::vector&lt;std::uint8_t&gt; &amp;data,</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> std::uint32_t startBit,</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> std::uint32_t length,</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> std::uint64_t &amp;value) {</div>
@@ -151,7 +180,7 @@
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span>}</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="classDbcDecoder.html#aede690734148c3d538105d5a2f7ee0a9"> 105</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classDbcDecoder.html#aede690734148c3d538105d5a2f7ee0a9">DbcDecoder::ExtractMotorola</a> (<span class="keyword">const</span> std::vector&lt;std::uint8_t&gt; &amp;data,</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><span class="keywordtype">bool</span> DbcDecoder::ExtractMotorola (<span class="keyword">const</span> std::vector&lt;std::uint8_t&gt; &amp;data,</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> std::uint32_t startBit,</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> std::uint32_t length,</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> std::uint64_t &amp;value) {</div>
@@ -190,7 +219,7 @@
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>}</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"><a class="line" href="classDbcDecoder.html#a41e89e343338088d27e46773fa52df42"> 144</a></span>std::int64_t <a class="code hl_function" href="classDbcDecoder.html#a41e89e343338088d27e46773fa52df42">DbcDecoder::SignExtend</a> (std::uint64_t value, std::uint32_t bitLength) {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>std::int64_t DbcDecoder::SignExtend (std::uint64_t value, std::uint32_t bitLength) {</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> ((bitLength == 0U) || (bitLength &gt;= 64U))</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>std::int64_t<span class="keyword">&gt;</span> (value);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
@@ -204,20 +233,11 @@
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>std::int64_t<span class="keyword">&gt;</span> (value | (~valueMask));</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
<div class="ttc" id="aclassDbcDecoder_html_a2a8a99b1107543be6fd1b3f891130bf5"><div class="ttname"><a href="classDbcDecoder.html#a2a8a99b1107543be6fd1b3f891130bf5">DbcDecoder::ExtractUnsigned</a></div><div class="ttdeci">static bool ExtractUnsigned(const std::vector&lt; std::uint8_t &gt; &amp;data, const DecodeSignal &amp;signal, std::uint64_t &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8cpp_source.html#l00070">dbc_decoder.cpp:70</a></div></div>
<div class="ttc" id="aclassDbcDecoder_html_a345951ffe5d943a70d3a1ea1f39e74f7"><div class="ttname"><a href="classDbcDecoder.html#a345951ffe5d943a70d3a1ea1f39e74f7">DbcDecoder::Decode</a></div><div class="ttdeci">DecodedFrameValue Decode(const DecodeDatabase &amp;database, const RawCanFrame &amp;frame) const</div><div class="ttdoc">Decode one raw CAN frame.</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8cpp_source.html#l00031">dbc_decoder.cpp:31</a></div></div>
<div class="ttc" id="aclassDbcDecoder_html_a41e89e343338088d27e46773fa52df42"><div class="ttname"><a href="classDbcDecoder.html#a41e89e343338088d27e46773fa52df42">DbcDecoder::SignExtend</a></div><div class="ttdeci">static std::int64_t SignExtend(std::uint64_t value, std::uint32_t bitLength)</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8cpp_source.html#l00144">dbc_decoder.cpp:144</a></div></div>
<div class="ttc" id="aclassDbcDecoder_html_ab2cfb2fb711c95d3a29365546b89f3da"><div class="ttname"><a href="classDbcDecoder.html#ab2cfb2fb711c95d3a29365546b89f3da">DbcDecoder::FindFrame</a></div><div class="ttdeci">const DecodeFrame * FindFrame(const DecodeDatabase &amp;database, std::uint32_t canId, bool isExtended) const</div><div class="ttdoc">Find frame definition by CAN ID.</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8cpp_source.html#l00014">dbc_decoder.cpp:14</a></div></div>
<div class="ttc" id="aclassDbcDecoder_html_aba130165c1a73bb4cd3a0454f415d872"><div class="ttname"><a href="classDbcDecoder.html#aba130165c1a73bb4cd3a0454f415d872">DbcDecoder::ExtractIntel</a></div><div class="ttdeci">static bool ExtractIntel(const std::vector&lt; std::uint8_t &gt; &amp;data, std::uint32_t startBit, std::uint32_t length, std::uint64_t &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8cpp_source.html#l00082">dbc_decoder.cpp:82</a></div></div>
<div class="ttc" id="aclassDbcDecoder_html_aede690734148c3d538105d5a2f7ee0a9"><div class="ttname"><a href="classDbcDecoder.html#aede690734148c3d538105d5a2f7ee0a9">DbcDecoder::ExtractMotorola</a></div><div class="ttdeci">static bool ExtractMotorola(const std::vector&lt; std::uint8_t &gt; &amp;data, std::uint32_t startBit, std::uint32_t length, std::uint64_t &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8cpp_source.html#l00105">dbc_decoder.cpp:105</a></div></div>
<div class="ttc" id="adbc__decoder_8h_html"><div class="ttname"><a href="dbc__decoder_8h.html">dbc_decoder.h</a></div><div class="ttdoc">Created: 2026-03-13 Author: Deeaitch (Dim. Himro)</div></div>
<div class="ttc" id="adecode__database_8h_html_aaeb92d42f5a6e27b8ba19f18d69d142baff97a9fdede09eaf6e1c8ec9f6a61dd5"><div class="ttname"><a href="decode__database_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baff97a9fdede09eaf6e1c8ec9f6a61dd5">ByteOrder::Intel</a></div><div class="ttdeci">@ Intel</div></div>
<div class="ttc" id="adecode__database_8h_html_ad9971b6ef33e02ba2c75d19c1d2518a1a71fed0c3428bf1a2e19af257c4bac379"><div class="ttname"><a href="decode__database_8h.html#ad9971b6ef33e02ba2c75d19c1d2518a1a71fed0c3428bf1a2e19af257c4bac379">ValueType::Signed</a></div><div class="ttdeci">@ Signed</div></div>
<div class="ttc" id="astructDecodeDatabase_html"><div class="ttname"><a href="structDecodeDatabase.html">DecodeDatabase</a></div><div class="ttdoc">Runtime decode database with fast lookup by CAN ID.</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00132">decode_database.h:132</a></div></div>
<div class="ttc" id="astructDecodeDatabase_html_a2bd4ddfc2602c1de4e12a373bfc93072"><div class="ttname"><a href="structDecodeDatabase.html#a2bd4ddfc2602c1de4e12a373bfc93072">DecodeDatabase::frames</a></div><div class="ttdeci">std::vector&lt; DecodeFrame &gt; frames</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00133">decode_database.h:133</a></div></div>
<div class="ttc" id="astructDecodeDatabase_html_ae4fd1351008bb0dce337821a849100c5"><div class="ttname"><a href="structDecodeDatabase.html#ae4fd1351008bb0dce337821a849100c5">DecodeDatabase::frameIndexByKey</a></div><div class="ttdeci">std::unordered_map&lt; FrameKey, std::size_t, FrameKeyHasher &gt; frameIndexByKey</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00134">decode_database.h:134</a></div></div>
<div class="ttc" id="astructDecodeFrame_html"><div class="ttname"><a href="structDecodeFrame.html">DecodeFrame</a></div><div class="ttdoc">Runtime-ready frame definition.</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00072">decode_database.h:72</a></div></div>
<div class="ttc" id="astructDecodeFrame_html_a372afd9e74f1ae33f85cb4acfd3e2036"><div class="ttname"><a href="structDecodeFrame.html#a372afd9e74f1ae33f85cb4acfd3e2036">DecodeFrame::signals</a></div><div class="ttdeci">std::vector&lt; DecodeSignal &gt; signals</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00081">decode_database.h:81</a></div></div>
<div class="ttc" id="astructDecodeSignal_html"><div class="ttname"><a href="structDecodeSignal.html">DecodeSignal</a></div><div class="ttdoc">Runtime-ready signal definition.</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00039">decode_database.h:39</a></div></div>
<div class="ttc" id="astructDecodeSignal_html_a428c39913a366a8476dd291061354391"><div class="ttname"><a href="structDecodeSignal.html#a428c39913a366a8476dd291061354391">DecodeSignal::factor</a></div><div class="ttdeci">double factor</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00045">decode_database.h:45</a></div></div>
<div class="ttc" id="astructDecodeSignal_html_a92db637af4e224a0ae70173050dc3f74"><div class="ttname"><a href="structDecodeSignal.html#a92db637af4e224a0ae70173050dc3f74">DecodeSignal::offset</a></div><div class="ttdeci">double offset</div><div class="ttdef"><b>Definition:</b> <a href="decode__database_8h_source.html#l00046">decode_database.h:46</a></div></div>
@@ -228,7 +248,6 @@
<div class="ttc" id="astructDecodedFrameValue_html"><div class="ttname"><a href="structDecodedFrameValue.html">DecodedFrameValue</a></div><div class="ttdoc">Fully decoded frame.</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00055">dbc_decoder.h:55</a></div></div>
<div class="ttc" id="astructDecodedFrameValue_html_a4f51c31110dba1f73a763c596372beb0"><div class="ttname"><a href="structDecodedFrameValue.html#a4f51c31110dba1f73a763c596372beb0">DecodedFrameValue::valid</a></div><div class="ttdeci">bool valid</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00058">dbc_decoder.h:58</a></div></div>
<div class="ttc" id="astructDecodedFrameValue_html_a60dda1cc352d2c8087f0bdbc81dd266c"><div class="ttname"><a href="structDecodedFrameValue.html#a60dda1cc352d2c8087f0bdbc81dd266c">DecodedFrameValue::definition</a></div><div class="ttdeci">const DecodeFrame * definition</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00056">dbc_decoder.h:56</a></div></div>
<div class="ttc" id="astructDecodedFrameValue_html_a8440e0e5d7953102095b029f522022d3"><div class="ttname"><a href="structDecodedFrameValue.html#a8440e0e5d7953102095b029f522022d3">DecodedFrameValue::signals</a></div><div class="ttdeci">std::vector&lt; DecodedSignalValue &gt; signals</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00057">dbc_decoder.h:57</a></div></div>
<div class="ttc" id="astructDecodedSignalValue_html"><div class="ttname"><a href="structDecodedSignalValue.html">DecodedSignalValue</a></div><div class="ttdoc">One decoded signal value.</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00038">dbc_decoder.h:38</a></div></div>
<div class="ttc" id="astructDecodedSignalValue_html_a5138b825940e34689f7b3891627ee9ec"><div class="ttname"><a href="structDecodedSignalValue.html#a5138b825940e34689f7b3891627ee9ec">DecodedSignalValue::rawValue</a></div><div class="ttdeci">std::int64_t rawValue</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00040">dbc_decoder.h:40</a></div></div>
<div class="ttc" id="astructDecodedSignalValue_html_a6847d05b3cb00d5e0f6c611968f57978"><div class="ttname"><a href="structDecodedSignalValue.html#a6847d05b3cb00d5e0f6c611968f57978">DecodedSignalValue::physicalValue</a></div><div class="ttdeci">double physicalValue</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00041">dbc_decoder.h:41</a></div></div>
@@ -240,9 +259,13 @@
<div class="ttc" id="astructRawCanFrame_html_a2d0e7fa0e3d5c20bbed55ed8f7888ff4"><div class="ttname"><a href="structRawCanFrame.html#a2d0e7fa0e3d5c20bbed55ed8f7888ff4">RawCanFrame::canId</a></div><div class="ttdeci">std::uint32_t canId</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00024">dbc_decoder.h:24</a></div></div>
<div class="ttc" id="astructRawCanFrame_html_a462193d275adc1dba8bd18ffa0e36bb7"><div class="ttname"><a href="structRawCanFrame.html#a462193d275adc1dba8bd18ffa0e36bb7">RawCanFrame::isExtended</a></div><div class="ttdeci">bool isExtended</div><div class="ttdef"><b>Definition:</b> <a href="dbc__decoder_8h_source.html#l00025">dbc_decoder.h:25</a></div></div>
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