update doxygen with last cahnges
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@@ -150,105 +150,106 @@ $(document).ready(function(){initNavTree('dbc__decoder_8cpp_source.html',''); in
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordflow">else</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a95db4f7f93b5f311e8f272833e45055e">rawValue</a> = unsignedValue;</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a6847d05b3cb00d5e0f6c611968f57978">physicalValue</a> =</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> std::visit([&signal](<span class="keyword">auto</span> rawValue) {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">return</span> (<span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(rawValue) * 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>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> },</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a95db4f7f93b5f311e8f272833e45055e">rawValue</a>);</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#aac0ed361af545cde48d0e6f41a859686">valid</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> result.signals.push_back(decoded);</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span>}</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">double</span> numericValue;</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (<span class="keyword">const</span> <span class="keyword">auto</span> *signedValue = std::get_if<std::int64_t>(&decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a95db4f7f93b5f311e8f272833e45055e">rawValue</a>))</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> numericValue = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(*signedValue);</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">else</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> numericValue = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(std::get<std::uint64_t>(decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a95db4f7f93b5f311e8f272833e45055e">rawValue</a>));</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#a6847d05b3cb00d5e0f6c611968f57978">physicalValue</a> = numericValue * 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>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> decoded.<a class="code hl_variable" href="structDecodedSignalValue.html#aac0ed361af545cde48d0e6f41a859686">valid</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> result.signals.push_back(decoded);</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> result;</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>}</div>
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</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="keywordtype">bool</span> DbcDecoder::ExtractUnsigned(<span class="keyword">const</span> std::vector<std::uint8_t> &data,</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">const</span> <a class="code hl_struct" href="structDecodeSignal.html">DecodeSignal</a> &signal,</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> std::uint64_t &value) {</div>
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<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#acd4ef5ee30421d117b5756854302debb">length</a> == 0U) || (signal.<a class="code hl_variable" href="structDecodeSignal.html#acd4ef5ee30421d117b5756854302debb">length</a> > 64U))</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">if</span> (signal.<a class="code hl_variable" href="structDecodeSignal.html#abdc4c4bb4a67a6d61d6ca81e8a52833d">byteOrder</a> == ByteOrder::Intel)</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</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>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</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>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>}</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keywordtype">bool</span> DbcDecoder::ExtractIntel(<span class="keyword">const</span> std::vector<std::uint8_t> &data,</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> std::uint32_t startBit,</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> std::uint32_t length,</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> std::uint64_t &value) {</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> value = 0U;</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">for</span> (std::uint32_t bitIndex = 0U; bitIndex < length; ++bitIndex) {</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">const</span> std::uint32_t absoluteBit = startBit + bitIndex;</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">const</span> std::uint32_t byteIndex = absoluteBit / 8U;</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">const</span> std::uint32_t bitInByte = absoluteBit % 8U;</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (byteIndex >= data.size())</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">const</span> std::uint64_t bitValue =</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> (<span class="keyword">static_cast<</span>std::uint64_t<span class="keyword">></span>((data[byteIndex] >> bitInByte) & 0x01U) << bitIndex);</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> value |= bitValue;</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="keywordtype">bool</span> DbcDecoder::ExtractMotorola(<span class="keyword">const</span> std::vector<std::uint8_t> &data,</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> std::uint32_t startBit,</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> std::uint32_t length,</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> std::uint64_t &value) {</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/*</span></div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="comment"> * DBC Motorola bit numbering:</span></div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="comment"> * - startBit points to the most significant bit of the signal</span></div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="comment"> * - inside a byte, bit numbering goes 7..0</span></div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="comment"> * - crossing byte boundary moves to the next byte, bit 7</span></div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="comment"> * Example: a signal starting at 7 follows 7..0, 15..8, 23..16.</span></div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> value = 0U;</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> std::size_t byteIndex = startBit / 8U;</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::uint32_t bitInByte = startBit % 8U;</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">for</span> (std::uint32_t bitIndex = 0U; bitIndex < length; ++bitIndex) {</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (byteIndex >= data.size())</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> </div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> value <<= 1U;</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> value |= <span class="keyword">static_cast<</span>std::uint64_t<span class="keyword">></span>((data[byteIndex] >> bitInByte) & 0x01U);</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">if</span> (bitInByte == 0U) {</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> ++byteIndex;</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> bitInByte = 7U;</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> } <span class="keywordflow">else</span></div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> --bitInByte;</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span>}</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>std::int64_t DbcDecoder::SignExtend(std::uint64_t value, std::uint32_t bitLength) {</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">if</span> ((bitLength == 0U) || (bitLength > 64U))</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">const</span> std::uint64_t signMask = std::uint64_t(1U) << (bitLength - 1U);</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">const</span> std::uint64_t valueMask = (bitLength == 64U)</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> ? ~std::uint64_t(0U)</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> : (std::uint64_t(1U) << bitLength) - 1U;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> value &= valueMask;</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> ((value & signMask) == 0U)</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>std::int64_t<span class="keyword">></span>(value);</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">// The complemented magnitude fits int64_t, including for INT64_MIN.</span></div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> -1 - <span class="keyword">static_cast<</span>std::int64_t<span class="keyword">></span>((~value) & valueMask);</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="keywordtype">bool</span> DbcDecoder::ExtractUnsigned(<span class="keyword">const</span> std::vector<std::uint8_t> &data,</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">const</span> <a class="code hl_struct" href="structDecodeSignal.html">DecodeSignal</a> &signal,</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> std::uint64_t &value) {</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</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> > 64U))</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> (signal.<a class="code hl_variable" href="structDecodeSignal.html#abdc4c4bb4a67a6d61d6ca81e8a52833d">byteOrder</a> == ByteOrder::Intel)</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</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="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
|
||||
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</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="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div>
|
||||
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
|
||||
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="keywordtype">bool</span> DbcDecoder::ExtractIntel(<span class="keyword">const</span> std::vector<std::uint8_t> &data,</div>
|
||||
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> std::uint32_t startBit,</div>
|
||||
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> std::uint32_t length,</div>
|
||||
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> std::uint64_t &value) {</div>
|
||||
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> value = 0U;</div>
|
||||
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
|
||||
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">for</span> (std::uint32_t bitIndex = 0U; bitIndex < length; ++bitIndex) {</div>
|
||||
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">const</span> std::uint32_t absoluteBit = startBit + bitIndex;</div>
|
||||
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">const</span> std::uint32_t byteIndex = absoluteBit / 8U;</div>
|
||||
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">const</span> std::uint32_t bitInByte = absoluteBit % 8U;</div>
|
||||
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
|
||||
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (byteIndex >= data.size())</div>
|
||||
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
|
||||
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keyword">const</span> std::uint64_t bitValue =</div>
|
||||
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> (<span class="keyword">static_cast<</span>std::uint64_t<span class="keyword">></span>((data[byteIndex] >> bitInByte) & 0x01U) << bitIndex);</div>
|
||||
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
|
||||
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> value |= bitValue;</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"> 105</span> </div>
|
||||
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
|
||||
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
|
||||
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="keywordtype">bool</span> DbcDecoder::ExtractMotorola(<span class="keyword">const</span> std::vector<std::uint8_t> &data,</div>
|
||||
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> std::uint32_t startBit,</div>
|
||||
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> std::uint32_t length,</div>
|
||||
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> std::uint64_t &value) {</div>
|
||||
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="comment">/*</span></div>
|
||||
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="comment"> * DBC Motorola bit numbering:</span></div>
|
||||
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span><span class="comment"> * - startBit points to the most significant bit of the signal</span></div>
|
||||
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span><span class="comment"> * - inside a byte, bit numbering goes 7..0</span></div>
|
||||
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><span class="comment"> * - crossing byte boundary moves to the next byte, bit 7</span></div>
|
||||
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="comment"> * Example: a signal starting at 7 follows 7..0, 15..8, 23..16.</span></div>
|
||||
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="comment"> */</span></div>
|
||||
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> </div>
|
||||
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> value = 0U;</div>
|
||||
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
|
||||
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::size_t byteIndex = startBit / 8U;</div>
|
||||
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> std::uint32_t bitInByte = startBit % 8U;</div>
|
||||
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
|
||||
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">for</span> (std::uint32_t bitIndex = 0U; bitIndex < length; ++bitIndex) {</div>
|
||||
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (byteIndex >= data.size())</div>
|
||||
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
|
||||
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> value <<= 1U;</div>
|
||||
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> value |= <span class="keyword">static_cast<</span>std::uint64_t<span class="keyword">></span>((data[byteIndex] >> bitInByte) & 0x01U);</div>
|
||||
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> </div>
|
||||
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">if</span> (bitInByte == 0U) {</div>
|
||||
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> ++byteIndex;</div>
|
||||
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> bitInByte = 7U;</div>
|
||||
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> } <span class="keywordflow">else</span></div>
|
||||
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> --bitInByte;</div>
|
||||
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
|
||||
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
|
||||
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</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>std::int64_t DbcDecoder::SignExtend(std::uint64_t value, std::uint32_t bitLength) {</div>
|
||||
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span> ((bitLength == 0U) || (bitLength > 64U))</div>
|
||||
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
|
||||
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">const</span> std::uint64_t signMask = std::uint64_t(1U) << (bitLength - 1U);</div>
|
||||
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">const</span> std::uint64_t valueMask = (bitLength == 64U)</div>
|
||||
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> ? ~std::uint64_t(0U)</div>
|
||||
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> : (std::uint64_t(1U) << bitLength) - 1U;</div>
|
||||
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> value &= valueMask;</div>
|
||||
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
|
||||
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">if</span> ((value & signMask) == 0U)</div>
|
||||
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>std::int64_t<span class="keyword">></span>(value);</div>
|
||||
<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="comment">// The complemented magnitude fits int64_t, including for INT64_MIN.</span></div>
|
||||
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">return</span> -1 - <span class="keyword">static_cast<</span>std::int64_t<span class="keyword">></span>((~value) & valueMask);</div>
|
||||
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span>}</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 &database, const RawCanFrame &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_ab2cfb2fb711c95d3a29365546b89f3da"><div class="ttname"><a href="classDbcDecoder.html#ab2cfb2fb711c95d3a29365546b89f3da">DbcDecoder::FindFrame</a></div><div class="ttdeci">const DecodeFrame * FindFrame(const DecodeDatabase &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="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>
|
||||
|
||||
Reference in new issue
Block a user