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<div class="title">fat_opts.h</div> </div>
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<a href="../../d4/d42/fat__opts_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> <span class="preprocessor">#ifndef __FAT_OPTS_H__</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define __FAT_OPTS_H__</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#ifdef FATFS_USE_CUSTOM_OPTS_FILE</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor"> #include "fat_custom.h"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  </div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Configuration</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//-------------------------------------------------------------</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// Is the processor little endian (1) or big endian (0)</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef FATFS_IS_LITTLE_ENDIAN</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a1bd8eac224db2612814628f3b8da7449"> 14</a></span> <span class="preprocessor">#define FATFS_IS_LITTLE_ENDIAN 1</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// Max filename Length</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef FATFS_MAX_LONG_FILENAME</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a0512aa1c7fba93172e1ff275e5046dd4"> 19</a></span> <span class="preprocessor">#define FATFS_MAX_LONG_FILENAME 260</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// Max open files (reduce to lower memory requirements)</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef FATFS_MAX_OPEN_FILES</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#afa06a8fa57091187d821deea2ffe93b9"> 24</a></span> <span class="preprocessor">#define FATFS_MAX_OPEN_FILES 64</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Number of sectors per FAT_BUFFER (min 1)</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef FAT_BUFFER_SECTORS</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a16d1dd1641be9f2d5b9bc7016d3e4558"> 29</a></span> <span class="preprocessor">#define FAT_BUFFER_SECTORS 1</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Max FAT sectors to buffer (min 1)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// (mem used is FAT_BUFFERS * FAT_BUFFER_SECTORS * FAT_SECTOR_SIZE)</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifndef FAT_BUFFERS</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#aa9354e4947875cd05f1d02b6e1f0ae96"> 35</a></span> <span class="preprocessor">#define FAT_BUFFERS 1</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Size of cluster chain cache (can be undefined)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// Mem used = FAT_CLUSTER_CACHE_ENTRIES * 4 * 2</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">// Improves access speed considerably</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">//#define FAT_CLUSTER_CACHE_ENTRIES 128</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Include support for writing files (1 / 0)?</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#ifndef FATFS_INC_WRITE_SUPPORT</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a726b238df5d704ae8139e0fb9ef123b2"> 45</a></span> <span class="preprocessor">#define FATFS_INC_WRITE_SUPPORT 1</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// Support long filenames (1 / 0)?</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// (if not (0) only 8.3 format is supported)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#ifndef FATFS_INC_LFN_SUPPORT</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#adc487f734665c6917872d3d8be52554e"> 51</a></span> <span class="preprocessor">#define FATFS_INC_LFN_SUPPORT 1</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// Support directory listing (1 / 0)?</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#ifndef FATFS_DIR_LIST_SUPPORT</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a85ce369db42d9900f4257021a81b8bc3"> 56</a></span> <span class="preprocessor">#define FATFS_DIR_LIST_SUPPORT 1</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// Support time/date (1 / 0)?</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#ifndef FATFS_INC_TIME_DATE_SUPPORT</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#ad312b33d4724292c6cdb1a097f3f3112"> 61</a></span> <span class="preprocessor">#define FATFS_INC_TIME_DATE_SUPPORT 0</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// Include support for formatting disks (1 / 0)?</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#ifndef FATFS_INC_FORMAT_SUPPORT</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a1e1063d4b04386f36096c2c929a7f963"> 66</a></span> <span class="preprocessor">#define FATFS_INC_FORMAT_SUPPORT 1</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">// Sector size used</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a873b78b38ef34edf6291274eb0708634"> 70</a></span> <span class="preprocessor">#define FAT_SECTOR_SIZE 512</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// Printf output (directory listing / debug)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#ifndef FAT_PRINTF</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// Don't include stdio, but there is a printf function available</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#ifdef FAT_PRINTF_NOINC_STDIO</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">extern</span> <span class="keywordtype">int</span> printf(<span class="keyword">const</span> <span class="keywordtype">char</span>* ctrl1, ... );</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"> #define FAT_PRINTF(a) printf a</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Include stdio to use printf</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"> #else</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// #include <stdio.h></span></div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="../../d4/d42/fat__opts_8h.html#a77e202c52dfa1ae6a4a060b21b70a80c"> 81</a></span> <span class="preprocessor">#define FAT_PRINTF(a) kprintf a</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// Time/Date support requires time.h</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#if FATFS_INC_TIME_DATE_SUPPORT</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"> #include <<a class="code" href="../../de/df7/time_8h.html">time.h</a>></span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif</span></div>
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