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<div class="headertitle"><div class="title">xc_drv_sw_i2c.h</div></div>
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<a href="xc__drv__sw__i2c_8h.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">/* Define to prevent recursive inclusion -------------------------------------*/</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#ifndef __XC_DRV_SW_I2C_H_</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#define __XC_DRV_SW_I2C_H_</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">/*-----------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment"> INCLUDE HEADE FILES</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment"> ------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include &quot;xc6xxx.h&quot;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="comment"> TypeDef</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment"> Macros</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#define SDA_OUT_HIGH(pin) \</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor"> { \</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="preprocessor"> xc_gpio_direction_config(pin, GPIO_DIR_OUTPUT); \</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor"> xc_gpio_write_pin(pin, GPIO_PIN_SET); \</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor"> }</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#define SDA_OUT_LOW(pin) \</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor"> { \</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor"> xc_gpio_direction_config(pin, GPIO_DIR_OUTPUT); \</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor"> xc_gpio_write_pin(pin, GPIO_PIN_RESET); \</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="preprocessor"> }</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="preprocessor">#define SCL_OUT_HIGH(pin) \</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="preprocessor"> { \</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="preprocessor"> xc_gpio_direction_config(pin, GPIO_DIR_OUTPUT); \</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="preprocessor"> xc_gpio_write_pin(pin, GPIO_PIN_SET); \</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor"> }</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="preprocessor">#define SCL_OUT_LOW(pin) \</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor"> { \</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor"> xc_gpio_direction_config(pin, GPIO_DIR_OUTPUT); \</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor"> xc_gpio_write_pin(pin, GPIO_PIN_RESET); \</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor"> }</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="preprocessor">#define SDA_INPUT(pin, pull) \</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor"> { \</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="preprocessor"> xc_gpio_direction_config(pin, GPIO_DIR_INPUT); \</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="preprocessor"> xc_gpio_pull_config(pin, pull); \</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="preprocessor"> }</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="preprocessor">#define SDA_INPUT_VAL(pin) xc_gpio_read_pin(pin)</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="preprocessor">#define SCL_PIN 2</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="preprocessor">#define SDA_PIN 3</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment"> Inline Functions</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment"> Global Variables</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="comment">/*------------------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="comment"> Exported Functions</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="comment"> -------------------------------------------------------------------------------------*/</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#af104fa2713ad2cfe4f993bdd2ec22c46">i2c_start</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#ad35d4e4f52ca74b503d5e5e1e0a3f5f3">i2c_stop</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#a031d609fa86d9b3bef33cff9fe9c5743">i2c_send_byte</a>(uint8_t txd);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#a773ff838b3504f51fb54ea35a2672b87">i2c_ack</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>uint8_t <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#a06ff54274d4500767a3212eb0840c8d2">i2c_read_byte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ack);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#af04221651e46a48fa65913a257089067">i2c_nack</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span>uint8_t <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#ad059d55b024546b6a8e5ee160054f907">i2c_wait_ack</a>(<span class="keywordtype">void</span>);</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><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#ae92fa9df39a032a78f971c86bd1394f0">i2c_software_init</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>uint8_t <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#ab36a7721a46b8a0d0f7d58ab6b2b49e8">at24cxx_read_byte</a>(uint16_t addr);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#aa7f33fa91eaa3e0f7937a400d17caf18">at24cxx_write_byte</a>(uint16_t addr, uint8_t data);</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="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#acea3d5f3ec2e9971661dca40beacb15d">at24cxx_write_nbytes</a>(uint16_t addr, uint8_t *buff, uint32_t num);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="keywordtype">void</span> <a class="code hl_function" href="xc__drv__sw__i2c_8h.html#a17af14b8e44df1c7fd11fb1b8ef9285a">at24cxx_read_nbytes</a>(uint16_t addr, uint8_t *buff, uint32_t num);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span><span class="preprocessor">#endif </span><span class="comment">/* __XC60xx_SW_I2C_H_ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_a031d609fa86d9b3bef33cff9fe9c5743"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#a031d609fa86d9b3bef33cff9fe9c5743">i2c_send_byte</a></div><div class="ttdeci">void i2c_send_byte(uint8_t txd)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00144">xc_drv_sw_i2c.c:144</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_a06ff54274d4500767a3212eb0840c8d2"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#a06ff54274d4500767a3212eb0840c8d2">i2c_read_byte</a></div><div class="ttdeci">uint8_t i2c_read_byte(unsigned char ack)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00163">xc_drv_sw_i2c.c:163</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_a17af14b8e44df1c7fd11fb1b8ef9285a"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#a17af14b8e44df1c7fd11fb1b8ef9285a">at24cxx_read_nbytes</a></div><div class="ttdeci">void at24cxx_read_nbytes(uint16_t addr, uint8_t *buff, uint32_t num)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00236">xc_drv_sw_i2c.c:236</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_a773ff838b3504f51fb54ea35a2672b87"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#a773ff838b3504f51fb54ea35a2672b87">i2c_ack</a></div><div class="ttdeci">void i2c_ack(void)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00124">xc_drv_sw_i2c.c:124</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_aa7f33fa91eaa3e0f7937a400d17caf18"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#aa7f33fa91eaa3e0f7937a400d17caf18">at24cxx_write_byte</a></div><div class="ttdeci">void at24cxx_write_byte(uint16_t addr, uint8_t data)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00208">xc_drv_sw_i2c.c:208</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_ab36a7721a46b8a0d0f7d58ab6b2b49e8"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#ab36a7721a46b8a0d0f7d58ab6b2b49e8">at24cxx_read_byte</a></div><div class="ttdeci">uint8_t at24cxx_read_byte(uint16_t addr)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00184">xc_drv_sw_i2c.c:184</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_acea3d5f3ec2e9971661dca40beacb15d"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#acea3d5f3ec2e9971661dca40beacb15d">at24cxx_write_nbytes</a></div><div class="ttdeci">void at24cxx_write_nbytes(uint16_t addr, uint8_t *buff, uint32_t num)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00227">xc_drv_sw_i2c.c:227</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_ad059d55b024546b6a8e5ee160054f907"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#ad059d55b024546b6a8e5ee160054f907">i2c_wait_ack</a></div><div class="ttdeci">uint8_t i2c_wait_ack(void)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00103">xc_drv_sw_i2c.c:103</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_ad35d4e4f52ca74b503d5e5e1e0a3f5f3"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#ad35d4e4f52ca74b503d5e5e1e0a3f5f3">i2c_stop</a></div><div class="ttdeci">void i2c_stop(void)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00091">xc_drv_sw_i2c.c:91</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_ae92fa9df39a032a78f971c86bd1394f0"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#ae92fa9df39a032a78f971c86bd1394f0">i2c_software_init</a></div><div class="ttdeci">void i2c_software_init(void)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00065">xc_drv_sw_i2c.c:65</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_af04221651e46a48fa65913a257089067"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#af04221651e46a48fa65913a257089067">i2c_nack</a></div><div class="ttdeci">void i2c_nack(void)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00134">xc_drv_sw_i2c.c:134</a></div></div>
<div class="ttc" id="axc__drv__sw__i2c_8h_html_af104fa2713ad2cfe4f993bdd2ec22c46"><div class="ttname"><a href="xc__drv__sw__i2c_8h.html#af104fa2713ad2cfe4f993bdd2ec22c46">i2c_start</a></div><div class="ttdeci">void i2c_start(void)</div><div class="ttdef"><b>Definition</b> <a href="xc__drv__sw__i2c_8c_source.html#l00081">xc_drv_sw_i2c.c:81</a></div></div>
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