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&#160;<span id="projectnumber">0.4</span>
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<div class="title">common.h</div> </div>
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<a href="common_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/**************************************************************************/</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">/**************************************************************************/</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor">#ifndef _TUSB_COMMON_H_</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define _TUSB_COMMON_H_</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor"></span> <span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment">// MACROS</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor">#define STRING_(x) #x // stringify without expand</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define XSTRING_(x) STRING_(x) // expand then stringify</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define STRING_CONCAT_(a, b) a##b // concat without expand</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define XSTRING_CONCAT_(a, b) STRING_CONCAT_(a, b) // expand then concat</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment">// INCLUDES</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="comment">//------------- Standard Header -------------//</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="primitive__types_8h.html">primitive_types.h</a>&quot;</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment">//------------- TUSB Option Header -------------//</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="tusb__option_8h.html">tusb_option.h</a>&quot;</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="comment">//------------- General Header -------------//</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="compiler_8h.html">compiler/compiler.h</a>&quot;</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="assertion_8h.html">assertion.h</a>&quot;</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="binary_8h.html">binary.h</a>&quot;</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="tusb__errors_8h.html">tusb_errors.h</a>&quot;</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="comment">//------------- TUSB Header -------------//</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="tusb__types_8h.html">tusb_types.h</a>&quot;</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="std__descriptors_8h.html">std_descriptors.h</a>&quot;</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="std__request_8h.html">std_request.h</a>&quot;</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="osal_8h.html">osal/osal.h</a>&quot;</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment">// MACROS</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="group___group___common_h.html#gaceb1bf67d55efcffb76fca49fd3b2a27"> 87</a></span>&#160;<span class="preprocessor">#define STRING_(x) #x </span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="group___group___common_h.html#gadb4c6858a667706b43ef46ef227593bb"> 88</a></span>&#160;<span class="preprocessor">#define XSTRING_(x) STRING_(x) </span></div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="group___group___common_h.html#gaf01eb776fb8d8869370775a768b71745"> 89</a></span>&#160;<span class="preprocessor">#define STRING_CONCAT_(a, b) a##b </span></div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="group___group___common_h.html#gaec46ed8b9b375c8c2a7d916d4517cc9e"> 90</a></span>&#160;<span class="preprocessor">#define XSTRING_CONCAT_(a, b) STRING_CONCAT_(a, b) </span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MAX_OF(a, b) ( (a) &gt; (b) ? (a) : (b) )</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MIN_OF(a, b) ( (a) &lt; (b) ? (a) : (b) )</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor">#define U16_HIGH_U8(u16) ((uint8_t) (((u16) &gt;&gt; 8) &amp; 0x00ff))</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U16_LOW_U8(u16) ((uint8_t) ((u16) &amp; 0x00ff))</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U16_TO_U8S_BE(u16) U16_HIGH_U8(u16), U16_LOW_U8(u16)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U16_TO_U8S_LE(u16) U16_LOW_U8(u16), U16_HIGH_U8(u16)</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="preprocessor">#define U32_B1_U8(u32) ((uint8_t) (((u32) &gt;&gt; 24) &amp; 0x000000ff)) // MSB</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U32_B2_U8(u32) ((uint8_t) (((u32) &gt;&gt; 16) &amp; 0x000000ff))</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U32_B3_U8(u32) ((uint8_t) (((u32) &gt;&gt; 8) &amp; 0x000000ff))</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U32_B4_U8(u32) ((uint8_t) ((u32) &amp; 0x000000ff)) // LSB</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="preprocessor">#define U32_TO_U8S_BE(u32) U32_B1_U8(u32), U32_B2_U8(u32), U32_B3_U8(u32), U32_B4_U8(u32)</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define U32_TO_U8S_LE(u32) U32_B4_U8(u32), U32_B3_U8(u32), U32_B2_U8(u32), U32_B1_U8(u32)</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="comment">//------------- Endian Conversion -------------//</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="preprocessor">#define ENDIAN_BE(u32) \</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="preprocessor"> (uint32_t) ( (((u32) &amp; 0xFF) &lt;&lt; 24) | (((u32) &amp; 0xFF00) &lt;&lt; 8) | (((u32) &gt;&gt; 8) &amp; 0xFF00) | (((u32) &gt;&gt; 24) &amp; 0xFF) )</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="preprocessor">#define ENDIAN_BE16(le16) ((uint16_t) ((U16_LOW_U8(le16) &lt;&lt; 8) | U16_HIGH_U8(le16)) )</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="preprocessor">#ifndef __n2be_16</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __n2be_16(u16) ((uint16_t) ((U16_LOW_U8(u16) &lt;&lt; 8) | U16_HIGH_U8(u16)) )</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __be2n_16(u16) __n2be_16(u16)</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="comment">// INLINE FUNCTION</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="preprocessor">#define memclr_(buffer, size) memset((buffer), 0, (size))</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t <span class="keyword">const</span> * descriptor_next(uint8_t <span class="keyword">const</span> p_desc[]) <a class="code" href="group___group___func_attr.html#ga18a61fcb06b815274b12b7f626993ac6">ATTR_ALWAYS_INLINE</a> <a class="code" href="group___group___func_attr.html#ga477faefde32bfd89d5b5b40d70b1a998">ATTR_PURE</a>;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t <span class="keyword">const</span> * descriptor_next(uint8_t <span class="keyword">const</span> p_desc[])</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;{</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keywordflow">return</span> p_desc + p_desc[DESCRIPTOR_OFFSET_LENGTH];</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t descriptor_typeof(uint8_t <span class="keyword">const</span> p_desc[]) <a class="code" href="group___group___func_attr.html#ga18a61fcb06b815274b12b7f626993ac6">ATTR_ALWAYS_INLINE</a> <a class="code" href="group___group___func_attr.html#ga477faefde32bfd89d5b5b40d70b1a998">ATTR_PURE</a>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t descriptor_typeof(uint8_t <span class="keyword">const</span> p_desc[])</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;{</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">return</span> p_desc[DESCRIPTOR_OFFSET_TYPE];</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;}</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="comment">//------------- Conversion -------------//</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> uint32_t <a class="code" href="group___group___common_h.html#ga2e8aa152c97ff855a375c792c641e162">u32_from_u8</a>(uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4) <a class="code" href="group___group___func_attr.html#ga18a61fcb06b815274b12b7f626993ac6">ATTR_ALWAYS_INLINE</a> <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="group___group___common_h.html#ga2e8aa152c97ff855a375c792c641e162"> 140</a></span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t <a class="code" href="group___group___common_h.html#ga2e8aa152c97ff855a375c792c641e162">u32_from_u8</a>(uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4)</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;{</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> ( ((uint32_t) b1) &lt;&lt; 24) + ( ((uint32_t) b2) &lt;&lt; 16) + ( ((uint32_t) b3) &lt;&lt; 8) + b4;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;}</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t u16_high_u8(uint16_t u16) ATTR_CONST <a class="code" href="group___group___func_attr.html#ga18a61fcb06b815274b12b7f626993ac6">ATTR_ALWAYS_INLINE</a>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t u16_high_u8(uint16_t u16)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;{</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">return</span> (uint8_t) ( ((uint16_t) (u16 &gt;&gt; 8)) &amp; 0x00ff);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;}</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t u16_low_u8(uint16_t u16) ATTR_CONST <a class="code" href="group___group___func_attr.html#ga18a61fcb06b815274b12b7f626993ac6">ATTR_ALWAYS_INLINE</a>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t u16_low_u8(uint16_t u16)</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;{</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">return</span> (uint8_t) (u16 &amp; 0x00ff);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;}</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint16_t u16_le2be(uint16_t u16) ATTR_CONST <a class="code" href="group___group___func_attr.html#ga18a61fcb06b815274b12b7f626993ac6">ATTR_ALWAYS_INLINE</a>;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint16_t u16_le2be(uint16_t u16)</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;{</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordflow">return</span> ((uint16_t)(u16_low_u8(u16) &lt;&lt; 8)) | u16_high_u8(u16);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;}</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="comment">//------------- Min -------------//</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t min8_of(uint8_t x, uint8_t y) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t min8_of(uint8_t x, uint8_t y)</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;{</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordflow">return</span> (x &lt; y) ? x : y;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;}</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint16_t min16_of(uint16_t x, uint16_t y) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint16_t min16_of(uint16_t x, uint16_t y)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;{</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keywordflow">return</span> (x &lt; y) ? x : y;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;}</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t min32_of(uint32_t x, uint32_t y) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t min32_of(uint32_t x, uint32_t y)</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;{</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">return</span> (x &lt; y) ? x : y;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;}</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="comment">//------------- Max -------------//</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t max32_of(uint32_t x, uint32_t y) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t max32_of(uint32_t x, uint32_t y)</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;{</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">return</span> (x &gt; y) ? x : y;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;}</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint16_t max16_of(uint16_t x, uint16_t y) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint16_t max16_of(uint16_t x, uint16_t y)</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;{</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordflow">return</span> (x &gt; y) ? x : y;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;}</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;<span class="comment">//------------- Align -------------//</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align32 (uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align32 (uint32_t value)</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;{</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">return</span> (value &amp; 0xFFFFFFE0UL);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;}</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align16 (uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align16 (uint32_t value)</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;{</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">return</span> (value &amp; 0xFFFFFFF0UL);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;}</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align_n (uint32_t alignment, uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align_n (uint32_t alignment, uint32_t value)</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;{</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">return</span> value &amp; ((uint32_t) ~(alignment-1));</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;}</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align4k (uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t align4k (uint32_t value)</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;{</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">return</span> (value &amp; 0xFFFFF000UL);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;}</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t offset4k(uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t offset4k(uint32_t value)</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;{</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordflow">return</span> (value &amp; 0xFFFUL);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;}</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="comment">//------------- Mathematics -------------//</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t abs_of(int32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint32_t abs_of(int32_t value)</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;{</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordflow">return</span> (value &lt; 0) ? (-value) : value;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;}</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="group___group___common_h.html#ga3fa8931c33cf5912fc50105ba767218b">is_in_range</a>(uint32_t lower, uint32_t value, uint32_t upper) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="group___group___common_h.html#ga3fa8931c33cf5912fc50105ba767218b"> 236</a></span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="group___group___common_h.html#ga3fa8931c33cf5912fc50105ba767218b">is_in_range</a>(uint32_t lower, uint32_t value, uint32_t upper)</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;{</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">return</span> (lower &lt;= value) &amp;&amp; (value &lt;= upper);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;}</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="group___group___common_h.html#ga985ed25152db5aea57dba2966ee0ee42">is_in_range_exclusive</a>(uint32_t lower, uint32_t value, uint32_t upper) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="group___group___common_h.html#ga985ed25152db5aea57dba2966ee0ee42"> 243</a></span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="group___group___common_h.html#ga985ed25152db5aea57dba2966ee0ee42">is_in_range_exclusive</a>(uint32_t lower, uint32_t value, uint32_t upper)</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160;{</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keywordflow">return</span> (lower &lt; value) &amp;&amp; (value &lt; upper);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;}</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;<span class="comment">// TODO use clz</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t log2_of(uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t log2_of(uint32_t value)</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;{</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; uint8_t result = 0; <span class="comment">// log2 of a value is its MSB&#39;s position</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">while</span> (value &gt;&gt;= 1)</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; result++;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160;}</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160;<span class="comment">// return the number of set bits in value</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t cardinality_of(uint32_t value) ATTR_ALWAYS_INLINE <a class="code" href="group___group___func_attr.html#gaa3a9548137fc3ca0ad1367d204891bd9">ATTR_CONST</a>;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> uint8_t cardinality_of(uint32_t value)</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;{</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <span class="comment">// Brian Kernighan&#39;s method goes through as many iterations as there are set bits. So if we have a 32-bit word with only</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="comment">// the high bit set, then it will only go once through the loop</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="comment">// Published in 1988, the C Programming Language 2nd Ed. (by Brian W. Kernighan and Dennis M. Ritchie)</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="comment">// mentions this in exercise 2-9. On April 19, 2006 Don Knuth pointed out to me that this method</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="comment">// &quot;was first published by Peter Wegner in CACM 3 (1960), 322. (Also discovered independently by Derrick Lehmer and</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="comment">// published in 1964 in a book edited by Beckenbach.)&quot;</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; uint8_t count;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordflow">for</span> (count = 0; value; count++)</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; value &amp;= value - 1; <span class="comment">// clear the least significant bit set</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="keywordflow">return</span> count;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;}</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;<span class="preprocessor"></span> }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* _TUSB_COMMON_H_ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160;<span class="preprocessor"></span></div>
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