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<div id="projectname">ESP3D
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 <span id="projectnumber">3.0</span>
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<div id="projectbrief">Firmware for ESP boards connected to 3D Printer</div>
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<div class="title">lv_flash_drv.cpp</div> </div>
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<a href="lv__flash__drv_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> lv_flash_drv.cpp - ESP3D flash (spiffs/Fat/etc) driver for lvgl</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2014 Luc Lebosse. All rights reserved.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> This library is free software; you can redistribute it and/or</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> modify it under the terms of the GNU Lesser General Public</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> License as published by the Free Software Foundation; either</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> This library is distributed in the hope that it will be useful,</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> Lesser General Public License for more details.</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> License along with this library; if not, write to the Free Software</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "../../include/esp3d_config.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#if defined (DISPLAY_DEVICE) && (DISPLAY_UI_TYPE == UI_TYPE_ADVANCED)</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="lv__flash__drv_8h.html">lv_flash_drv.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef FILESYSTEM_FEATURE</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#error No FileSystem defined</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#if FILESYSTEM_FEATURE == ESP_SPIFFS_FILESYSTEM</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "SPIFFS.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#if FILESYSTEM_FEATURE == ESP_FAT_FILESYSTEM</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "FFat.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#error Unknow FileSystem defined</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">//Driver wrote based on lvg 6.0.3 documentation</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> lv_fs_res_t <a class="code" href="lv__flash__drv_8h.html#a224a0fff5fc7b2b1c1f6a33b5ead1fa8">esp_flash_open</a>(lv_fs_drv_t * drv, <span class="keywordtype">void</span> * file_p, <span class="keyword">const</span> <span class="keywordtype">char</span> * fn, lv_fs_mode_t mode)</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  (void) drv; <span class="comment">/*Unused*/</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * flags = <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span>(mode == LV_FS_MODE_WR) {</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  flags = <span class="stringliteral">"w"</span>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(mode == LV_FS_MODE_RD) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  flags = <span class="stringliteral">"r"</span>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(mode == (LV_FS_MODE_WR | LV_FS_MODE_RD)) {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  flags = <span class="stringliteral">"a"</span>;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">char</span> buf[256];</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  sprintf(buf, <span class="stringliteral">"/%s"</span>, fn);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  File * f= <span class="keyword">new</span> File();</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (f == <span class="keyword">nullptr</span>) {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> LV_FS_RES_OUT_OF_MEM;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#if FILESYSTEM_FEATURE == ESP_SPIFFS_FILESYSTEM</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  *f = SPIFFS.open(buf, flags);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  *f = FFat.open(buf, flags);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span>(!(*f)) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> LV_FS_RES_UNKNOWN;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  f->seek(0);</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="structfile__t.html">file_t</a> * ft = (<a class="code" href="structfile__t.html">file_t</a> *)file_p;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a> = f;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> LV_FS_RES_OK;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> lv_fs_res_t <a class="code" href="lv__flash__drv_8h.html#a42317d7fd6589a2100622d533cb5e4f6">esp_flash_close</a>(lv_fs_drv_t * drv, <span class="keywordtype">void</span> * file_p)</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  (void) drv; <span class="comment">/*Unused*/</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="structfile__t.html">file_t</a> * ft = (<a class="code" href="structfile__t.html">file_t</a> *)file_p;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span>(ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>) {</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  (ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>)->close();</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">delete</span>(ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> LV_FS_RES_OK;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> lv_fs_res_t <a class="code" href="lv__flash__drv_8h.html#a626435796a3074c273b9e8bc8d3b8c63">esp_flash_read</a>(lv_fs_drv_t * drv, <span class="keywordtype">void</span> * file_p, <span class="keywordtype">void</span> * buf, uint32_t btr, uint32_t * br)</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  (void) drv; <span class="comment">/*Unused*/</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="structfile__t.html">file_t</a> * ft = (<a class="code" href="structfile__t.html">file_t</a> *)file_p;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span>(ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  *br = (ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>)->read((uint8_t*)buf,btr);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> LV_FS_RES_OK;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> LV_FS_RES_UNKNOWN;</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> lv_fs_res_t <a class="code" href="lv__flash__drv_8h.html#a0cc6eeea0237a532071f2da279aaf608">esp_flash_seek</a>(lv_fs_drv_t * drv, <span class="keywordtype">void</span> * file_p, uint32_t pos)</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  (void) drv; <span class="comment">/*Unused*/</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="structfile__t.html">file_t</a> * ft = (<a class="code" href="structfile__t.html">file_t</a> *)file_p;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span>(ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  (ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>)->seek(pos);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> LV_FS_RES_OK;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> LV_FS_RES_UNKNOWN;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> lv_fs_res_t <a class="code" href="lv__flash__drv_8h.html#a8340b6571d5f5f0cecbd8c326abe3e9d">esp_flash_tell</a>(lv_fs_drv_t * drv, <span class="keywordtype">void</span> * file_p, uint32_t * pos_p)</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> {</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  (void) drv; <span class="comment">/*Unused*/</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="structfile__t.html">file_t</a> * ft = (<a class="code" href="structfile__t.html">file_t</a> *)file_p;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span>(ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>) {</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  *pos_p = (ft-><a class="code" href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">fileobjecthandle</a>)->position();</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> LV_FS_RES_OK;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> LV_FS_RES_UNKNOWN;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif //(DISPLAY_DEVICE) && (DISPLAY_UI_TYPE == UI_TYPE_ADVANCED)</span></div>
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<div class="ttc" id="alv__flash__drv_8h_html"><div class="ttname"><a href="lv__flash__drv_8h.html">lv_flash_drv.h</a></div></div>
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<div class="ttc" id="astructfile__t_html_a2ca91b90787fa5ec9ecfe8199987c84e"><div class="ttname"><a href="structfile__t.html#a2ca91b90787fa5ec9ecfe8199987c84e">file_t::fileobjecthandle</a></div><div class="ttdeci">File * fileobjecthandle</div><div class="ttdef"><b>Definition:</b> <a href="lv__flash__drv_8h_source.html#l00031">lv_flash_drv.h:31</a></div></div>
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<div class="ttc" id="astructfile__t_html"><div class="ttname"><a href="structfile__t.html">file_t</a></div><div class="ttdef"><b>Definition:</b> <a href="lv__flash__drv_8h_source.html#l00028">lv_flash_drv.h:28</a></div></div>
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<div class="ttc" id="alv__flash__drv_8h_html_a8340b6571d5f5f0cecbd8c326abe3e9d"><div class="ttname"><a href="lv__flash__drv_8h.html#a8340b6571d5f5f0cecbd8c326abe3e9d">esp_flash_tell</a></div><div class="ttdeci">lv_fs_res_t esp_flash_tell(lv_fs_drv_t *drv, void *file_p, uint32_t *pos_p)</div></div>
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<div class="ttc" id="alv__flash__drv_8h_html_a0cc6eeea0237a532071f2da279aaf608"><div class="ttname"><a href="lv__flash__drv_8h.html#a0cc6eeea0237a532071f2da279aaf608">esp_flash_seek</a></div><div class="ttdeci">lv_fs_res_t esp_flash_seek(lv_fs_drv_t *drv, void *file_p, uint32_t pos)</div></div>
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<div class="ttc" id="alv__flash__drv_8h_html_a626435796a3074c273b9e8bc8d3b8c63"><div class="ttname"><a href="lv__flash__drv_8h.html#a626435796a3074c273b9e8bc8d3b8c63">esp_flash_read</a></div><div class="ttdeci">lv_fs_res_t esp_flash_read(lv_fs_drv_t *drv, void *file_p, void *buf, uint32_t btr, uint32_t *br)</div></div>
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<div class="ttc" id="alv__flash__drv_8h_html_a224a0fff5fc7b2b1c1f6a33b5ead1fa8"><div class="ttname"><a href="lv__flash__drv_8h.html#a224a0fff5fc7b2b1c1f6a33b5ead1fa8">esp_flash_open</a></div><div class="ttdeci">lv_fs_res_t esp_flash_open(lv_fs_drv_t *drv, void *file_p, const char *fn, lv_fs_mode_t mode)</div></div>
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<div class="ttc" id="alv__flash__drv_8h_html_a42317d7fd6589a2100622d533cb5e4f6"><div class="ttname"><a href="lv__flash__drv_8h.html#a42317d7fd6589a2100622d533cb5e4f6">esp_flash_close</a></div><div class="ttdeci">lv_fs_res_t esp_flash_close(lv_fs_drv_t *drv, void *file_p)</div></div>
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