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<li class="navelem"><a class="el" href="dir_e551eb05443008c96ab2f08dbb3250a6.html">TEST2</a></li><li class="navelem"><a class="el" href="dir_a213a656435eb838f44f965c240ae24d.html">api</a></li> </ul>
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<div class="headertitle"><div class="title">xc_drv_calib.c</div></div>
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<a href="xc__drv__calib_8c.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment">/*-----------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment"> INCLUDE HEADE FILES</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment"> ------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include &quot;<a class="code" href="xc__drv__calib_8h.html">xc_drv_calib.h</a>&quot;</span></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><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment"> Macros</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#define RC_ADJ_VAL_MIN 0x0</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#define RC_ADJ_VAL_MID 0x1fff</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#define RC_ADJ_VAL_MAX 0x3fff</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#define RANGE_LPO_RTM 0x400</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#define GEARS_HZ 1.56f</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#define _32K_STAND_HZ 32000</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#define CALIB_NUM 50 </span><span class="comment">// ms</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#define CALIB_TIME_MS 10 </span><span class="comment">// ms</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor">#define CALIB_DELAY_CHECK (CALIB_TIME_MS + 20) </span><span class="comment">// ms</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#define CALIB_STEP_CYCLE_32K (CALIB_TIME_MS * 32)</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment"> Local Variables</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147"> 51</a></span><span class="keyword">static</span> <span class="keyword">volatile</span> uint32_t <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> = RC_ADJ_VAL_MID; <span class="comment">// MID_LPO_RTM;</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment"> Global Variables</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment"> Func Prototype</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="comment"> Functions</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="xc__drv__calib_8c.html#a8293ba7a041ebf0575277f04b244955d"> 72</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__calib_8c.html#a8293ba7a041ebf0575277f04b244955d">xc_rc32k_calib_init</a>(uint16_t rc_adj_val)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>{</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a">CLOCK_HFCLK_IN_32M</a>) ||</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3">CLOCK_HFCLK_IN_48M</a>)) {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> cpr_ctl_pclk_grctl__ctl_pclk_gr_upd__setf(0x1UL);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> cpr_ctl_pclk_grctl__ctl_pclk_gr__setf(4U);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9">CLOCK_HFCLK_IN_64M</a>) ||</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858">CLOCK_HFCLK_IN_96M</a>)) {</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> cpr_ctl_pclk_grctl__ctl_pclk_gr__setf(2U);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> cpr_ctl_pclk_grctl__ctl_pclk_gr_upd__setf(0x1UL);</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="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a>)) {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> cpr_ctl_pclk_grctl__ctl_pclk_gr_upd__setf(0x1UL);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> cpr_ctl_pclk_grctl__ctl_pclk_gr__setf(8U);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</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> cpr_ctlapbclken_grctl__rtc_pclk_en__setf(0x1UL);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> cprao_aon_clken_grctl__rtc_clk_en__setf(0x1UL);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> rtc_rccal_lfcfg_set(0x100031);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a>) ||</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a">CLOCK_HFCLK_IN_32M</a>) ||</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9">CLOCK_HFCLK_IN_64M</a>)) {</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> rtc_rccal_hfcfg_set(25000);</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> rtc_rccal_lim1_set(3);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> rtc_rccal_lim2_set(13);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3">CLOCK_HFCLK_IN_48M</a>) ||</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858">CLOCK_HFCLK_IN_96M</a>)) {</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> rtc_rccal_hfcfg_set(37500);</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> rtc_rccal_lim1_set(4);</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> rtc_rccal_lim2_set(19);</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> rtc_rccal_adj_step_set(0x1404);</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> rtc_rccal_adj_val_set(0x1fff);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> rtc_rccal_adj_cfg_set(0x1fff4000 | rc_adj_val);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> rtc_rccal_intsta_set(0x03);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> rtc_rccal_inten_set(0x01);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">for</span> (uint16_t dly = 0; dly &lt; 1000; dly++)</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> rtc_rccal_en_set(0x01);</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> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"><a class="line" href="xc__drv__calib_8c.html#a9d20591a04d1a2d7a40c30968021e69a"> 131</a></span>uint16_t <a class="code hl_function" href="xc__drv__calib_8c.html#a9d20591a04d1a2d7a40c30968021e69a">xc_flfclk_calcu</a>(uint32_t hfcnt_val)</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> uint32_t hfcnt_load = rtc_rccal_hfcfg_get();</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> uint32_t lfdiv = rtc_rccal_lfcfg_get();</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> uint8_t hfcnt_dir = (hfcnt_val &gt;&gt; 31);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> uint16_t f_lfclk = 0;</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> <span class="keywordflow">if</span> (hfcnt_dir == 0) {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a>) ||</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a">CLOCK_HFCLK_IN_32M</a>) ||</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9">CLOCK_HFCLK_IN_64M</a>)) {</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> f_lfclk =</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a> * (lfdiv + 1) / (hfcnt_load - hfcnt_val);</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3">CLOCK_HFCLK_IN_48M</a>) ||</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858">CLOCK_HFCLK_IN_96M</a>)) {</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> f_lfclk = 24000000 * (lfdiv + 1) / (hfcnt_load - hfcnt_val);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a>) ||</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a">CLOCK_HFCLK_IN_32M</a>) ||</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9">CLOCK_HFCLK_IN_64M</a>)) {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> f_lfclk = <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a> * (lfdiv + 1) /</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> (hfcnt_load + hfcnt_val - 0x80000000);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3">CLOCK_HFCLK_IN_48M</a>) ||</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858">CLOCK_HFCLK_IN_96M</a>)) {</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> f_lfclk =</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> 24000000 * (lfdiv + 1) / (hfcnt_load + hfcnt_val - 0x80000000);</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> }</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">return</span> f_lfclk;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span>}</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"><a class="line" href="xc__drv__calib_8c.html#a5858c6f2e5b7fc5449a161b41a7c506c"> 172</a></span><a class="code hl_enumeration" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2">eLFREQ_Sta</a> <a class="code hl_function" href="xc__drv__calib_8c.html#a5858c6f2e5b7fc5449a161b41a7c506c">xc_rc32k_freq_scope</a>(uint16_t freq)</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span>{</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_enumeration" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2">eLFREQ_Sta</a> ret = <a class="code hl_enumvalue" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a1c8b7bb28b94e42c26b82eee0a0684de">LFREQ_UNKNOW</a>;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> uint16_t offset = (<a class="code hl_enumvalue" href="xc__drv__calib_8h.html#a12b28ef2ed8ef298b06e73e09e52ba53a424a6a2f97f4d44de8d377571dffff5c">CLOCK_RC_LFCLK_IN_32K</a> * 2 / 100);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> uint16_t rc32_offset_min = (<a class="code hl_enumvalue" href="xc__drv__calib_8h.html#a12b28ef2ed8ef298b06e73e09e52ba53a424a6a2f97f4d44de8d377571dffff5c">CLOCK_RC_LFCLK_IN_32K</a> - offset);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> uint16_t rc32_offset_max = <a class="code hl_enumvalue" href="xc__drv__calib_8h.html#a12b28ef2ed8ef298b06e73e09e52ba53a424a6a2f97f4d44de8d377571dffff5c">CLOCK_RC_LFCLK_IN_32K</a>;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">if</span> (freq &lt; rc32_offset_min)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> ret = <a class="code hl_enumvalue" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2acd9a1d0bc34f91bfa8ca3f5431a50b48">LFREQ_LOWER</a>;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (freq &gt;= rc32_offset_max)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> ret = <a class="code hl_enumvalue" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a5a65d52c672875c03654265dfeba1ee5">LFREQ_HIGHER</a>;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> ret = <a class="code hl_enumvalue" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a6dd6af7bbcaf8d043d4ab7e3faf0d8c6">LFREQ_GOOD</a>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span>}</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"><a class="line" href="xc__drv__calib_8c.html#a08c4d6065c26515ad1bce66b80b35fa6"> 196</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__calib_8c.html#a08c4d6065c26515ad1bce66b80b35fa6">xc_rc32k_calib_by_hw</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span>{</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> uint16_t f_lfclk = 0;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> uint8_t rccal_int_sta;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_enumeration" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2">eLFREQ_Sta</a> f_lf_sta;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <a class="code hl_function" href="xc__drv__calib_8c.html#a8293ba7a041ebf0575277f04b244955d">xc_rc32k_calib_init</a>(<a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a>);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> rccal_int_sta = rtc_rccal_intsta_get();</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> } <span class="keywordflow">while</span> (!(rccal_int_sta &amp; 0x01));</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> rtc_rccal_inten_set(0x00);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> rtc_rccal_intsta_set(rccal_int_sta);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> f_lfclk = <a class="code hl_function" href="xc__drv__calib_8c.html#a9d20591a04d1a2d7a40c30968021e69a">xc_flfclk_calcu</a>(rtc_rccal_hfcnt_val_get());</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> f_lf_sta = <a class="code hl_function" href="xc__drv__calib_8c.html#a5858c6f2e5b7fc5449a161b41a7c506c">xc_rc32k_freq_scope</a>(f_lfclk);</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">if</span> (<a class="code hl_enumvalue" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a6dd6af7bbcaf8d043d4ab7e3faf0d8c6">LFREQ_GOOD</a> != f_lf_sta) {</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> rtc_rccal_en_set(0x00);</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="comment">// XC_RTC-&gt;RCCAL_EN = 0x00;</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="keywordflow">if</span> (f_lf_sta == <a class="code hl_enumvalue" href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2acd9a1d0bc34f91bfa8ca3f5431a50b48">LFREQ_LOWER</a>) {</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> += 100;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> &gt; RC_ADJ_VAL_MAX) {</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> = RC_ADJ_VAL_MIN;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> -= 10;</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> &lt; 10) {</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> = RC_ADJ_VAL_MAX;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> }</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> }</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> rtc_rccal_adj_cfg_set(0x1fff4000 | <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a>);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> rtc_rccal_inten_set(0x01);</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> rtc_rccal_en_set(0x01);</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> DEBUG(<span class="stringliteral">&quot;f_lfclk: %d\n&quot;</span>, f_lfclk);</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> }</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> rtc_rccal_en_set(0x00);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> rtc_rccal_adj_cfg_set(0x00001fff);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> rtc_rccal_adj_cfg__freq_adj_offset__setf(<a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a>);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> rtc_rccal_adj_cfg__freq_adj_hw_clr__setf(0x01);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> rtc_rccal_intsta_set(0x03);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">for</span> (uint16_t dly = 0; dly &lt; 1000; dly++)</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> ;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> rtc_rccal_en_set(0x01);</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span>}</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"><a class="line" href="xc__drv__calib_8c.html#ab39b88dc8c1cbf6d89a838ee9de51015"> 262</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__calib_8c.html#ab39b88dc8c1cbf6d89a838ee9de51015">xc_rc32k_calib_by_soft</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span>{</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> uint32_t f_lfclk = 0;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> uint32_t t32k_cnt = 0;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> uint8_t ao_intr;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <a class="code hl_function" href="xc__drv__calib_8c.html#a8293ba7a041ebf0575277f04b244955d">xc_rc32k_calib_init</a>(<a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a>);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> rtc_rccal_inten_set(0x00);</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> rtc_rccal_intsta_set(0x03);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> rtc_ao_timer_ctl_set(0);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> rtc_ao_timer_ctl__rtc_ao_timer_value__setf(CALIB_STEP_CYCLE_32K);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> rtc_ao_timer_ctl__rtc_freq_timer_en__setf(1);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> ao_intr = rtc_all_intr_ao_get();</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> } <span class="keywordflow">while</span> ((ao_intr &amp; 0x20) == 0);</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> t32k_cnt = rtc_freq_32k_timer_val_get();</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> rtc_ao_timer_ctl__rtc_ao_timer_clr__setf(0x1UL);</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> rtc_ao_timer_ctl_set(0);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a>) ||</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a">CLOCK_HFCLK_IN_32M</a>) ||</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9">CLOCK_HFCLK_IN_64M</a>)) {</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> f_lfclk = (uint32_t)((((<span class="keywordtype">float</span>)((16.0) * CALIB_STEP_CYCLE_32K)) /</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> t32k_cnt) *</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> 1000000);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3">CLOCK_HFCLK_IN_48M</a>) ||</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> (<a class="code hl_function" href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a>() == <a class="code hl_enumvalue" href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858">CLOCK_HFCLK_IN_96M</a>)) {</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> f_lfclk = (uint32_t)((((<span class="keywordtype">float</span>)((24.0) * CALIB_STEP_CYCLE_32K)) /</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> t32k_cnt) *</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> 1000000);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> }</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (f_lfclk &gt; _32K_STAND_HZ) {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> = <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> - ((uint32_t)(((<span class="keywordtype">float</span>)(f_lfclk - _32K_STAND_HZ)) /</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> (float)GEARS_HZ));</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (f_lfclk &lt; _32K_STAND_HZ) {</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> = <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a> + ((uint32_t)(((<span class="keywordtype">float</span>)(_32K_STAND_HZ - f_lfclk)) /</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> (float)GEARS_HZ));</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> DEBUG(<span class="stringliteral">&quot;f_lfclk: %d\n&quot;</span>, f_lfclk);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> rtc_rccal_en_set(0x00);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> rtc_rccal_adj_cfg_set(0x1fff4000 | <a class="code hl_variable" href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a>);</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> rtc_rccal_en_set(0x01);</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">if</span> (f_lfclk == _32K_STAND_HZ)</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> }</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span>}</div>
<div class="ttc" id="axc__drv__calib_8c_html_a08c4d6065c26515ad1bce66b80b35fa6"><div class="ttname"><a href="xc__drv__calib_8c.html#a08c4d6065c26515ad1bce66b80b35fa6">xc_rc32k_calib_by_hw</a></div><div class="ttdeci">void xc_rc32k_calib_by_hw(void)</div><div class="ttdoc">RC32k_Calib_by_hw</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8c_source.html#l00196">xc_drv_calib.c:196</a></div></div>
<div class="ttc" id="axc__drv__calib_8c_html_a3ff58614cc26c01fdf68f0f47eb69147"><div class="ttname"><a href="xc__drv__calib_8c.html#a3ff58614cc26c01fdf68f0f47eb69147">mid</a></div><div class="ttdeci">static volatile uint32_t mid</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8c_source.html#l00051">xc_drv_calib.c:51</a></div></div>
<div class="ttc" id="axc__drv__calib_8c_html_a5858c6f2e5b7fc5449a161b41a7c506c"><div class="ttname"><a href="xc__drv__calib_8c.html#a5858c6f2e5b7fc5449a161b41a7c506c">xc_rc32k_freq_scope</a></div><div class="ttdeci">eLFREQ_Sta xc_rc32k_freq_scope(uint16_t freq)</div><div class="ttdoc">xc_rc32k_freq_scope</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8c_source.html#l00172">xc_drv_calib.c:172</a></div></div>
<div class="ttc" id="axc__drv__calib_8c_html_a8293ba7a041ebf0575277f04b244955d"><div class="ttname"><a href="xc__drv__calib_8c.html#a8293ba7a041ebf0575277f04b244955d">xc_rc32k_calib_init</a></div><div class="ttdeci">void xc_rc32k_calib_init(uint16_t rc_adj_val)</div><div class="ttdoc">xc_rc32k_calib_init</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8c_source.html#l00072">xc_drv_calib.c:72</a></div></div>
<div class="ttc" id="axc__drv__calib_8c_html_a9d20591a04d1a2d7a40c30968021e69a"><div class="ttname"><a href="xc__drv__calib_8c.html#a9d20591a04d1a2d7a40c30968021e69a">xc_flfclk_calcu</a></div><div class="ttdeci">uint16_t xc_flfclk_calcu(uint32_t hfcnt_val)</div><div class="ttdoc">xc_flfclk_calcu</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8c_source.html#l00131">xc_drv_calib.c:131</a></div></div>
<div class="ttc" id="axc__drv__calib_8c_html_ab39b88dc8c1cbf6d89a838ee9de51015"><div class="ttname"><a href="xc__drv__calib_8c.html#ab39b88dc8c1cbf6d89a838ee9de51015">xc_rc32k_calib_by_soft</a></div><div class="ttdeci">void xc_rc32k_calib_by_soft(void)</div><div class="ttdoc">rc32k_calib_by_soft</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8c_source.html#l00262">xc_drv_calib.c:262</a></div></div>
<div class="ttc" id="axc__drv__calib_8h_html"><div class="ttname"><a href="xc__drv__calib_8h.html">xc_drv_calib.h</a></div><div class="ttdoc">The header of xc_drv_calib.c</div></div>
<div class="ttc" id="axc__drv__calib_8h_html_a12b28ef2ed8ef298b06e73e09e52ba53a424a6a2f97f4d44de8d377571dffff5c"><div class="ttname"><a href="xc__drv__calib_8h.html#a12b28ef2ed8ef298b06e73e09e52ba53a424a6a2f97f4d44de8d377571dffff5c">CLOCK_RC_LFCLK_IN_32K</a></div><div class="ttdeci">@ CLOCK_RC_LFCLK_IN_32K</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8h_source.html#l00055">xc_drv_calib.h:55</a></div></div>
<div class="ttc" id="axc__drv__calib_8h_html_afbdb91b0a2d97ed3d990c74d74842ab2"><div class="ttname"><a href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2">eLFREQ_Sta</a></div><div class="ttdeci">eLFREQ_Sta</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8h_source.html#l00045">xc_drv_calib.h:46</a></div></div>
<div class="ttc" id="axc__drv__calib_8h_html_afbdb91b0a2d97ed3d990c74d74842ab2a1c8b7bb28b94e42c26b82eee0a0684de"><div class="ttname"><a href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a1c8b7bb28b94e42c26b82eee0a0684de">LFREQ_UNKNOW</a></div><div class="ttdeci">@ LFREQ_UNKNOW</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8h_source.html#l00051">xc_drv_calib.h:50</a></div></div>
<div class="ttc" id="axc__drv__calib_8h_html_afbdb91b0a2d97ed3d990c74d74842ab2a5a65d52c672875c03654265dfeba1ee5"><div class="ttname"><a href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a5a65d52c672875c03654265dfeba1ee5">LFREQ_HIGHER</a></div><div class="ttdeci">@ LFREQ_HIGHER</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8h_source.html#l00049">xc_drv_calib.h:49</a></div></div>
<div class="ttc" id="axc__drv__calib_8h_html_afbdb91b0a2d97ed3d990c74d74842ab2a6dd6af7bbcaf8d043d4ab7e3faf0d8c6"><div class="ttname"><a href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2a6dd6af7bbcaf8d043d4ab7e3faf0d8c6">LFREQ_GOOD</a></div><div class="ttdeci">@ LFREQ_GOOD</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8h_source.html#l00047">xc_drv_calib.h:47</a></div></div>
<div class="ttc" id="axc__drv__calib_8h_html_afbdb91b0a2d97ed3d990c74d74842ab2acd9a1d0bc34f91bfa8ca3f5431a50b48"><div class="ttname"><a href="xc__drv__calib_8h.html#afbdb91b0a2d97ed3d990c74d74842ab2acd9a1d0bc34f91bfa8ca3f5431a50b48">LFREQ_LOWER</a></div><div class="ttdeci">@ LFREQ_LOWER</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__calib_8h_source.html#l00048">xc_drv_calib.h:48</a></div></div>
<div class="ttc" id="axc__drv__clock_8c_html_ab11baf83423e8e3eff8b08417310b9e8"><div class="ttname"><a href="xc__drv__clock_8c.html#ab11baf83423e8e3eff8b08417310b9e8">xc_clock_hfclk_in_get</a></div><div class="ttdeci">CLOCK_HFCLK_In_Typedef xc_clock_hfclk_in_get(void)</div><div class="ttdoc">xc_clock_hfclk_in_get</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__clock_8c_source.html#l00474">xc_drv_clock.c:474</a></div></div>
<div class="ttc" id="axc__drv__clock_8h_html_a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea"><div class="ttname"><a href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a7b58731ba2db0a223826ad1176ffb6ea">CLOCK_HFCLK_IN_16M</a></div><div class="ttdeci">@ CLOCK_HFCLK_IN_16M</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__clock_8h_source.html#l00067">xc_drv_clock.h:67</a></div></div>
<div class="ttc" id="axc__drv__clock_8h_html_a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858"><div class="ttname"><a href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a8aa51d045663bf83c12513ff73758858">CLOCK_HFCLK_IN_96M</a></div><div class="ttdeci">@ CLOCK_HFCLK_IN_96M</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__clock_8h_source.html#l00071">xc_drv_clock.h:71</a></div></div>
<div class="ttc" id="axc__drv__clock_8h_html_a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3"><div class="ttname"><a href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931a9952ff5b5b8f9e78b7d33c366eeed7d3">CLOCK_HFCLK_IN_48M</a></div><div class="ttdeci">@ CLOCK_HFCLK_IN_48M</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__clock_8h_source.html#l00069">xc_drv_clock.h:69</a></div></div>
<div class="ttc" id="axc__drv__clock_8h_html_a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a"><div class="ttname"><a href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931ac414255d626a2e29fa5108f085f3fe5a">CLOCK_HFCLK_IN_32M</a></div><div class="ttdeci">@ CLOCK_HFCLK_IN_32M</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__clock_8h_source.html#l00068">xc_drv_clock.h:68</a></div></div>
<div class="ttc" id="axc__drv__clock_8h_html_a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9"><div class="ttname"><a href="xc__drv__clock_8h.html#a50352eeefa7b2a350b852c76913d8931aed7520a9ee15ee11b7448559fabe70d9">CLOCK_HFCLK_IN_64M</a></div><div class="ttdeci">@ CLOCK_HFCLK_IN_64M</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__clock_8h_source.html#l00070">xc_drv_clock.h:70</a></div></div>
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