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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_79dd6902ba1de7f614a2c98c3be1d0c9.html">intf</a></li><li class="navelem"><a class="el" href="dir_3588dde2d3aa4e161fa75e44452293f1.html">spi</a></li> </ul>
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<div class="title">ssd1306_spi_avr.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) 2018-2019, 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">#include "<a class="code" href="ssd1306__spi__avr_8h.html">ssd1306_spi_avr.h</a>"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="ssd1306__spi_8h.html">ssd1306_spi.h</a>"</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</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="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="lcd__common_8h.html">lcd/lcd_common.h</a>"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="io_8h.html">ssd1306_hal/io.h</a>"</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="preprocessor">#if defined(CONFIG_AVR_SPI_AVAILABLE) && defined(CONFIG_AVR_SPI_ENABLE)</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define PORT_SPI PORTB</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define DDR_SPI DDRB</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#if defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"> #define DD_MISO DDB3</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"> #define DD_MOSI DDB2</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"> #define DD_SCK DDB1</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"> #define DD_SS DDB0</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"> #define DD_MISO DDB4</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"> #define DD_MOSI DDB3</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"> #define DD_SCK DDB5</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"> #define DD_SS DDB2</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define SPI_CLOCK_MASK 0x03</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define SPI_2XCLOCK_MASK 0x01</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="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="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> <span class="keywordtype">void</span> ssd1306_spiConfigure_avr()</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  uint8_t clockDiv;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  uint32_t clockSetting = F_CPU / 2;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  clockDiv = 0;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">while</span> ((clockDiv < 6) && (<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> < clockSetting))</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>  clockSetting /= 2;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  clockDiv++;</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="keywordflow">if</span> (clockDiv == 6)</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>  clockDiv = 7;</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>  <span class="comment">// Invert the SPI2X bit</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  clockDiv ^= 0x1;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// SS pin must be HIGH, when enabling MASTER SPI mode</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// Otherwise, SPI will drop automatically to SLAVE mode</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  DDR_SPI &= ~((1<<DD_SCK)|(1<<DD_SS)|(1<<DD_MOSI));</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  PORT_SPI |= (1<<DD_SS);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">/* Define the following pins as output */</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  DDR_SPI |= ((1<<DD_MOSI)|(1<<DD_SCK)|(1<<DD_SS));</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  PORT_SPI |= (1<<DD_SS);</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>  SPCR = (1<<SPE)|(1<<MSTR)|(0<<CPOL)|(0<<CPHA)|</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  ((clockDiv >> 1) & SPI_CLOCK_MASK);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  SPSR = clockDiv & SPI_2XCLOCK_MASK; <span class="comment">// Double Clock Rate</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Wait for some time to give SPI HW module to initialize</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  delay(10);</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> <span class="keyword">static</span> <span class="keywordtype">void</span> ssd1306_spiClose_avr()</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> }</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">static</span> <span class="keywordtype">void</span> ssd1306_spiStart_avr()</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</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> >= 0)</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>  digitalWrite(<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>,LOW);</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> }</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="keyword">static</span> <span class="keywordtype">void</span> ssd1306_spiSendByte_avr(uint8_t data)</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>  SPDR = data;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"nop"</span>);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">while</span>((SPSR & (1<<SPIF))==0);</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> ssd1306_spiSendBytes_avr(<span class="keyword">const</span> uint8_t * buffer, uint16_t size)</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>  <span class="keywordflow">while</span> (size--)</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>  SPDR = *buffer;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"nop"</span>); <span class="comment">// to improve speed</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">while</span>((SPSR & (1<<SPIF))==0);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  SPDR; <span class="comment">// read SPI input</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  buffer++;</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="keyword">static</span> <span class="keywordtype">void</span> ssd1306_spiStop_avr()</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="keywordflow">if</span> (<a class="code" href="group___l_c_d___i_n_t_e_r_f_a_c_e___a_p_i.html#gaddd9cfaaeac4d2937f5372313ddaee4f">ssd1306_lcd</a>.<a class="code" href="structssd1306__lcd__t.html#aabe73540a354c4f959e4fe862167b482">type</a> == <a class="code" href="group___l_c_d___i_n_t_e_r_f_a_c_e___a_p_i.html#ggaf4b71961185e1fa00ee5962123a349aea846490e1ce898baebea443873c666786">LCD_TYPE_PCD8544</a>)</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  digitalWrite(<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>, LOW);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  ssd1306_spiSendByte_avr( 0x00 ); <span class="comment">// Send NOP command to allow last data byte to pass (bug in PCD8544?)</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// ssd1306 E3h is NOP command</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</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> >= 0)</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  digitalWrite(<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>, HIGH);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacddab5cfa0ccfd82ac37bb897a26953d"> 133</a></span> <span class="keywordtype">void</span> <a class="code" href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacddab5cfa0ccfd82ac37bb897a26953d">ssd1306_spiInit_avr</a>(int8_t cesPin, int8_t dcPin)</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> (cesPin >=0) pinMode(cesPin, OUTPUT);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (dcPin >= 0) pinMode(dcPin, OUTPUT);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (cesPin) <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> = cesPin;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (dcPin) <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="l00139"></a><span class="lineno"> 139</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="l00140"></a><span class="lineno"> 140</span>  ssd1306_spiConfigure_avr();</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</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> = ssd1306_spiStart_avr;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</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> = ssd1306_spiStop_avr;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</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> = ssd1306_spiSendByte_avr;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</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> = ssd1306_spiSendBytes_avr;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</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> = ssd1306_spiClose_avr;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="ttc" id="ssd1306__spi__avr_8h_html"><div class="ttname"><a href="ssd1306__spi__avr_8h.html">ssd1306_spi_avr.h</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_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__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="lcd__common_8h_html"><div class="ttname"><a href="lcd__common_8h.html">lcd_common.h</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="group___l_c_d___i_n_t_e_r_f_a_c_e___a_p_i_html_ggaf4b71961185e1fa00ee5962123a349aea846490e1ce898baebea443873c666786"><div class="ttname"><a href="group___l_c_d___i_n_t_e_r_f_a_c_e___a_p_i.html#ggaf4b71961185e1fa00ee5962123a349aea846490e1ce898baebea443873c666786">LCD_TYPE_PCD8544</a></div><div class="ttdef"><b>Definition:</b> <a href="lcd__common_8h_source.html#l00055">lcd_common.h:55</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="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i_html_gacddab5cfa0ccfd82ac37bb897a26953d"><div class="ttname"><a href="group___l_c_d___h_w___i_n_t_e_r_f_a_c_e___a_p_i.html#gacddab5cfa0ccfd82ac37bb897a26953d">ssd1306_spiInit_avr</a></div><div class="ttdeci">void ssd1306_spiInit_avr(int8_t cesPin, int8_t dcPin)</div><div class="ttdef"><b>Definition:</b> <a href="ssd1306__spi__avr_8c_source.html#l00133">ssd1306_spi_avr.c:133</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___i_n_t_e_r_f_a_c_e___a_p_i_html_gaddd9cfaaeac4d2937f5372313ddaee4f"><div class="ttname"><a href="group___l_c_d___i_n_t_e_r_f_a_c_e___a_p_i.html#gaddd9cfaaeac4d2937f5372313ddaee4f">ssd1306_lcd</a></div><div class="ttdeci">ssd1306_lcd_t ssd1306_lcd</div><div class="ttdef"><b>Definition:</b> <a href="lcd__common_8c_source.html#l00033">lcd_common.c:33</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="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="structssd1306__lcd__t_html_aabe73540a354c4f959e4fe862167b482"><div class="ttname"><a href="structssd1306__lcd__t.html#aabe73540a354c4f959e4fe862167b482">ssd1306_lcd_t::type</a></div><div class="ttdeci">lcd_type_t type</div><div class="ttdef"><b>Definition:</b> <a href="lcd__common_8h_source.html#l00091">lcd_common.h:91</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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