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<div id="projectname">SSD1306 OLED display driver
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 <span id="projectnumber">1.8.2</span>
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<div id="projectbrief">This library is developed to control SSD1306/SSD1331/SSD1351/IL9163/PCD8554 RGB i2c/spi LED displays</div>
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<li class="navelem"><a class="el" href="dir_e8e2c9e5894b9269226c7b242c94fdc2.html">ssd1306_hal</a></li><li class="navelem"><a class="el" href="dir_69d7248b5bdf03d5f1bdd17e2f3b545b.html">mingw</a></li> </ul>
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<div class="title">platform.c</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> MIT License</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"></span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2018, Alexey Dynda</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> of this software and associated documentation files (the "Software"), to deal</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> in the Software without restriction, including without limitation the rights</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">*/</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#if defined(__MINGW32__)</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="preprocessor">#include "<a class="code" href="io_8h.html">ssd1306_hal/io.h</a>"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="ssd1306__interface_8h.html">intf/ssd1306_interface.h</a>"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="ssd1306__i2c_8h.html">intf/i2c/ssd1306_i2c.h</a>"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="ssd1306__interface_8h.html">intf/ssd1306_interface.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="ssd1306__spi__conf_8h.html">intf/spi/ssd1306_spi_conf.h</a>"</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="ssd1306__spi_8h.html">intf/spi/ssd1306_spi.h</a>"</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <unistd.h></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="preprocessor">#if !defined(SDL_EMULATION)</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <fcntl.h></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <sys/ioctl.h></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <linux/i2c-dev.h></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <linux/spi/spidev.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// MINGW I2C IMPLEMENTATION</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"></span><span class="preprocessor">#if defined(CONFIG_PLATFORM_I2C_AVAILABLE) && defined(CONFIG_PLATFORM_I2C_ENABLE)</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="preprocessor">#if !defined(SDL_EMULATION)</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> uint8_t s_sa = <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga05d1c9f1ad427b445574bddab25583ab">SSD1306_SA</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static</span> <span class="keywordtype">int</span> s_fd = -1;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">static</span> uint8_t s_buffer[128];</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> uint8_t s_dataSize = 0;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_start(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  s_dataSize = 0;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_stop(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (write(s_fd, s_buffer, s_dataSize) != s_dataSize)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  fprintf(stderr, <span class="stringliteral">"Failed to write to the i2c bus: %s.\n"</span>, strerror(errno));</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>  s_dataSize = 0;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_send(uint8_t data)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  s_buffer[s_dataSize] = data;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  s_dataSize++;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (s_dataSize == <span class="keyword">sizeof</span>(s_buffer))</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">/* Send function puts all data to internal buffer. *</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> * Restart transmission if internal buffer is full. */</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a>();</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a>();</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a>(0x40);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_send_buffer(<span class="keyword">const</span> uint8_t *buffer, uint16_t size)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">while</span> (size--)</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  platform_i2c_send(*buffer);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  buffer++;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_close()</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (s_fd >= 0)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  close(s_fd);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  s_fd = -1;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">static</span> <span class="keywordtype">void</span> empty_function()</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">static</span> <span class="keywordtype">void</span> empty_function_single_arg(uint8_t arg)</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">static</span> <span class="keywordtype">void</span> empty_function_two_args(<span class="keyword">const</span> uint8_t *arg1, uint16_t arg2)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">void</span> <a class="code" href="group___s_s_d1306___h_a_l___a_p_i.html#gabfbc35d9ad49ecfab95ccb34afb0ef81">ssd1306_platform_i2cInit</a>(int8_t busId, uint8_t sa, <a class="code" href="structssd1306__platform__i2c_config__t.html">ssd1306_platform_i2cConfig_t</a> * cfg)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">char</span> filename[20];</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (busId < 0)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  busId = 1;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  snprintf(filename, 19, <span class="stringliteral">"/dev/i2c-%d"</span>, busId);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = empty_function;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a> = empty_function;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = empty_function;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a> = empty_function_single_arg;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = empty_function_two_args;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> ((s_fd = open(filename, O_RDWR)) < 0)</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  fprintf(stderr, <span class="stringliteral">"Failed to open the i2c bus\n"</span>);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (sa)</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  s_sa = sa;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (ioctl(s_fd, I2C_SLAVE, s_sa) < 0)</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  fprintf(stderr, <span class="stringliteral">"Failed to acquire bus access and/or talk to slave.\n"</span>);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = platform_i2c_start;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a> = platform_i2c_stop;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a> = platform_i2c_send;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = platform_i2c_send_buffer;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = platform_i2c_close;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#else </span><span class="comment">/* SDL_EMULATION */</span><span class="preprocessor"></span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#include "sdl_core.h"</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_i2c_send_buffer(<span class="keyword">const</span> uint8_t *buffer, uint16_t size)</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">while</span> (size--)</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  sdl_send_byte(*buffer);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  buffer++;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  };</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">void</span> <a class="code" href="group___s_s_d1306___h_a_l___a_p_i.html#gabfbc35d9ad49ecfab95ccb34afb0ef81">ssd1306_platform_i2cInit</a>(int8_t busId, uint8_t sa, <a class="code" href="structssd1306__platform__i2c_config__t.html">ssd1306_platform_i2cConfig_t</a> * cfg)</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  sdl_core_init();</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">spi</a> = 0;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = sdl_send_init;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a> = sdl_send_stop;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a> = sdl_send_byte;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = platform_i2c_send_buffer;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = sdl_core_close;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif </span><span class="comment">/* SDL_EMULATION */</span><span class="preprocessor"></span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#endif // CONFIG_PLATFORM_I2C_AVAILABLE</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// MINGW SPI IMPLEMENTATION</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"></span><span class="preprocessor">#if defined(CONFIG_PLATFORM_SPI_AVAILABLE) && defined(CONFIG_PLATFORM_SPI_ENABLE)</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor">#if !defined(SDL_EMULATION)</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">static</span> <span class="keywordtype">int</span> s_spi_fd = -1;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">extern</span> uint32_t <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacd2a35f136452e061c82fe446a80701c">s_ssd1306_spi_clock</a>;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_start(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_stop(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_send(uint8_t data)</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">/* TODO: Yeah, sending single bytes is too slow, but *</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> * need to figure out how to detect data/command bytes *</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * to send bytes as one block */</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  uint8_t buf[1];</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">struct </span>spi_ioc_transfer mesg;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  buf[0] = data;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  memset(&mesg, 0, <span class="keyword">sizeof</span> mesg);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  mesg.tx_buf = (<span class="keywordtype">unsigned</span> long)&buf[0];</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  mesg.rx_buf = 0;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  mesg.len = 1;</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  mesg.delay_usecs = 0;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  mesg.speed_hz = 0;</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  mesg.bits_per_word = 8;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  mesg.cs_change = 0;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (ioctl(s_spi_fd, SPI_IOC_MESSAGE(1), &mesg) < 1)</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  {</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  fprintf(stderr, <span class="stringliteral">"SPI failed to send SPI message: %s\n"</span>, strerror (errno)) ;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_close(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (s_spi_fd >= 0)</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  close(s_spi_fd);</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  s_spi_fd = -1;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">static</span> <span class="keywordtype">void</span> platform_spi_send_buffer(<span class="keyword">const</span> uint8_t *data, uint16_t len)</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">while</span> (len--)</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  {</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  platform_spi_send(*data);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  data++;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">static</span> <span class="keywordtype">void</span> empty_function_spi(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> {</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> }</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">static</span> <span class="keywordtype">void</span> empty_function_arg_spi(uint8_t byte)</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> {</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="keyword">static</span> <span class="keywordtype">void</span> empty_function_args_spi(<span class="keyword">const</span> uint8_t *buffer, uint16_t bytes)</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="keywordtype">void</span> <a class="code" href="group___s_s_d1306___h_a_l___a_p_i.html#ga48b3e1e6fc7eec0e0634370746d31c22">ssd1306_platform_spiInit</a>(int8_t busId,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  int8_t ces,</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  int8_t dcPin)</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">char</span> filename[20];</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">if</span> (busId < 0)</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  {</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  busId = 0;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (ces < 0)</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  {</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  ces = 0;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gafc2040aa9a00f51d7a3302009c32be6a">s_ssd1306_cs</a> = -1; <span class="comment">// SPI interface does't need separate ces pin</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gaa6c559e035be91c9c57a53120c55e023">s_ssd1306_dc</a> = dcPin;</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">spi</a> = 1;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = empty_function_spi;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a> = empty_function_spi;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a> = empty_function_arg_spi;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = empty_function_args_spi;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = empty_function;</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  snprintf(filename, 19, <span class="stringliteral">"/dev/spidev%d.%d"</span>, busId, ces);</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> ((s_spi_fd = open(filename, O_RDWR)) < 0)</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  {</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  printf(<span class="stringliteral">"Failed to initialize SPI: %s!\n"</span>, strerror(errno));</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> speed = <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacd2a35f136452e061c82fe446a80701c">s_ssd1306_spi_clock</a>;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (ioctl(s_spi_fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed) < 0)</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  {</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  printf(<span class="stringliteral">"Failed to set speed on SPI line: %s!\n"</span>, strerror(errno));</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  uint8_t mode = SPI_MODE_0;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (ioctl (s_spi_fd, SPI_IOC_WR_MODE, &mode) < 0)</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  printf(<span class="stringliteral">"Failed to set SPI mode: %s!\n"</span>, strerror(errno));</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  uint8_t spi_bpw = 8;</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (ioctl (s_spi_fd, SPI_IOC_WR_BITS_PER_WORD, &spi_bpw) < 0)</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  {</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  printf(<span class="stringliteral">"Failed to set SPI BPW: %s!\n"</span>, strerror(errno));</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  }</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">spi</a> = 1;</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = platform_spi_start;</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a> = platform_spi_stop;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a> = platform_spi_send;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = platform_spi_send_buffer;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = platform_spi_close;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> }</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#else </span><span class="comment">/* SDL_EMULATION */</span><span class="preprocessor"></span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#include "sdl_core.h"</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="keyword">static</span> <span class="keywordtype">void</span> sdl_send_bytes(<span class="keyword">const</span> uint8_t *buffer, uint16_t size)</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> {</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">while</span> (size--)</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  {</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  sdl_send_byte(*buffer);</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  buffer++;</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  };</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> }</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="keywordtype">void</span> <a class="code" href="group___s_s_d1306___h_a_l___a_p_i.html#ga48b3e1e6fc7eec0e0634370746d31c22">ssd1306_platform_spiInit</a>(int8_t busId, int8_t ces, int8_t dcPin)</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> {</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  sdl_core_init();</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (ces >= 0)</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gafc2040aa9a00f51d7a3302009c32be6a">s_ssd1306_cs</a> = ces;</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (dcPin >= 0)</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gaa6c559e035be91c9c57a53120c55e023">s_ssd1306_dc</a> = dcPin;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  sdl_set_dc_pin(dcPin);</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">spi</a> = 1;</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">start</a> = sdl_send_init;</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">stop</a> = sdl_send_stop;</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">send</a> = sdl_send_byte;</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">send_buffer</a> = sdl_send_bytes;</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a>.<a class="code" href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">close</a> = sdl_core_close;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> }</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#endif </span><span class="comment">/* SDL_EMULATION */</span><span class="preprocessor"></span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor">#endif // CONFIG_PLATFORM_SPI_AVAILABLE</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor">#endif // __MINGW32__</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gaa6c559e035be91c9c57a53120c55e023"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gaa6c559e035be91c9c57a53120c55e023">s_ssd1306_dc</a></div><div class="ttdeci">int8_t s_ssd1306_dc</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi_8c_source.html#l00034">ssd1306_spi.c:34</a></div></div>
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<div class="ttc" id="structssd1306__platform__i2c_config__t_html"><div class="ttname"><a href="structssd1306__platform__i2c_config__t.html">ssd1306_platform_i2cConfig_t</a></div><div class="ttdef"><b>Definition:</b> <a href="io_8h_source.html#l00080">io.h:80</a></div></div>
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<div class="ttc" id="group___s_s_d1306___h_a_l___a_p_i_html_ga48b3e1e6fc7eec0e0634370746d31c22"><div class="ttname"><a href="group___s_s_d1306___h_a_l___a_p_i.html#ga48b3e1e6fc7eec0e0634370746d31c22">ssd1306_platform_spiInit</a></div><div class="ttdeci">void ssd1306_platform_spiInit(int8_t busId, int8_t cesPin, int8_t dcPin)</div><div class="ttdoc">Initializes spi interface for platform being used. </div></div>
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<div class="ttc" id="structssd1306__interface__t_html_a9d99111dfccc867514cab4e2ae2cd613"><div class="ttname"><a href="structssd1306__interface__t.html#a9d99111dfccc867514cab4e2ae2cd613">ssd1306_interface_t::send</a></div><div class="ttdeci">void(* send)(uint8_t data)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00070">ssd1306_interface.h:70</a></div></div>
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<div class="ttc" id="structssd1306__interface__t_html_a1cccdffea7b707f9db54e93375d12a22"><div class="ttname"><a href="structssd1306__interface__t.html#a1cccdffea7b707f9db54e93375d12a22">ssd1306_interface_t::stop</a></div><div class="ttdeci">void(* stop)(void)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00065">ssd1306_interface.h:65</a></div></div>
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<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gacd2a35f136452e061c82fe446a80701c"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacd2a35f136452e061c82fe446a80701c">s_ssd1306_spi_clock</a></div><div class="ttdeci">uint32_t s_ssd1306_spi_clock</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi_8c_source.html#l00035">ssd1306_spi.c:35</a></div></div>
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<div class="ttc" id="io_8h_html"><div class="ttname"><a href="io_8h.html">io.h</a></div></div>
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<div class="ttc" id="ssd1306__i2c_8h_html"><div class="ttname"><a href="ssd1306__i2c_8h.html">ssd1306_i2c.h</a></div></div>
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<div class="ttc" id="group___s_s_d1306___h_a_l___a_p_i_html_gabfbc35d9ad49ecfab95ccb34afb0ef81"><div class="ttname"><a href="group___s_s_d1306___h_a_l___a_p_i.html#gabfbc35d9ad49ecfab95ccb34afb0ef81">ssd1306_platform_i2cInit</a></div><div class="ttdeci">void ssd1306_platform_i2cInit(int8_t busId, uint8_t addr, ssd1306_platform_i2cConfig_t *cfg)</div><div class="ttdoc">Initializes i2c interface for platform being used. </div></div>
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<div class="ttc" id="ssd1306__spi__conf_8h_html"><div class="ttname"><a href="ssd1306__spi__conf_8h.html">ssd1306_spi_conf.h</a></div></div>
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<div class="ttc" id="ssd1306__spi_8h_html"><div class="ttname"><a href="ssd1306__spi_8h.html">ssd1306_spi.h</a></div></div>
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<div class="ttc" id="structssd1306__interface__t_html_a347dbbf8fdb470d133901c8fbd8c5186"><div class="ttname"><a href="structssd1306__interface__t.html#a347dbbf8fdb470d133901c8fbd8c5186">ssd1306_interface_t::start</a></div><div class="ttdeci">void(* start)(void)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00061">ssd1306_interface.h:61</a></div></div>
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<div class="ttc" id="structssd1306__interface__t_html_a082afeefa07cb717ef3f837667b18491"><div class="ttname"><a href="structssd1306__interface__t.html#a082afeefa07cb717ef3f837667b18491">ssd1306_interface_t::close</a></div><div class="ttdeci">void(* close)(void)</div><div class="ttdoc">deinitializes internal resources, allocated for interface. </div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00088">ssd1306_interface.h:88</a></div></div>
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<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_ga15909bf29819391d35ecb7f4e37fbea3"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga15909bf29819391d35ecb7f4e37fbea3">ssd1306_intf</a></div><div class="ttdeci">ssd1306_interface_t ssd1306_intf</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8c_source.html#l00031">ssd1306_interface.c:31</a></div></div>
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<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_ga05d1c9f1ad427b445574bddab25583ab"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#ga05d1c9f1ad427b445574bddab25583ab">SSD1306_SA</a></div><div class="ttdeci">#define SSD1306_SA</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__i2c__conf_8h_source.html#l00047">ssd1306_i2c_conf.h:47</a></div></div>
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<div class="ttc" id="ssd1306__interface_8h_html"><div class="ttname"><a href="ssd1306__interface_8h.html">ssd1306_interface.h</a></div></div>
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<div class="ttc" id="structssd1306__interface__t_html_afd33289a509ae27cbdafd118b91ff23e"><div class="ttname"><a href="structssd1306__interface__t.html#afd33289a509ae27cbdafd118b91ff23e">ssd1306_interface_t::spi</a></div><div class="ttdeci">uint8_t spi</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00057">ssd1306_interface.h:57</a></div></div>
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<div class="ttc" id="structssd1306__interface__t_html_ab753c14b485fd4588cc08ed6bf598b4c"><div class="ttname"><a href="structssd1306__interface__t.html#ab753c14b485fd4588cc08ed6bf598b4c">ssd1306_interface_t::send_buffer</a></div><div class="ttdeci">void(* send_buffer)(const uint8_t *buffer, uint16_t size)</div><div class="ttdoc">Sends bytes to SSD1306 device. </div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__interface_8h_source.html#l00080">ssd1306_interface.h:80</a></div></div>
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<div class="ttc" id="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gafc2040aa9a00f51d7a3302009c32be6a"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gafc2040aa9a00f51d7a3302009c32be6a">s_ssd1306_cs</a></div><div class="ttdeci">int8_t s_ssd1306_cs</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi_8c_source.html#l00033">ssd1306_spi.c:33</a></div></div>
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