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<div class="title">MarlinSerial.h</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"> HardwareSerial.h - Hardware serial library for Wiring</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (c) 2006 Nicholas Zambetti. All right reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span> </div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> License along with this library; if not, write to the Free Software</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"></span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> Modified 28 September 2010 by Mark Sproul</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef MarlinSerial_h</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#define MarlinSerial_h</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "Marlin.h"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#if !defined(SERIAL_PORT) </span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define SERIAL_PORT 0</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// The presence of the UBRRH register is used to detect a UART.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#if ((SERIAL_PORT == 0 && (defined(UBRRH) || defined(UBRR0H))) || \</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"> (SERIAL_PORT == 1 && defined(UBRR1H)) || \</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"> (SERIAL_PORT == 2 && defined(UBRR2H)) || \</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"> (SERIAL_PORT == 3 && defined(UBRR3H)))</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define HAS_UART</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// requires two levels of indirection to expand macro values properly)</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#if SERIAL_PORT == 0 && (!defined(UBRR0H) || !defined(UDR0)) </span><span class="comment">// use un-numbered registers if necessary</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define SERIAL_REGNAME(registerbase,number,suffix) _REGNAME_SHORT(registerbase, suffix)</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define SERIAL_REGNAME(registerbase,number,suffix) _REGNAME(registerbase, number, suffix)</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// Registers used by MarlinSerial class (these are expanded </span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// depending on selected serial port</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#define M_UCSRxA SERIAL_REGNAME(UCSR,SERIAL_PORT,A) </span><span class="comment">// defines M_UCSRxA to be UCSRnA where n is the serial port number</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#define M_UCSRxB SERIAL_REGNAME(UCSR,SERIAL_PORT,B) </span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#define M_RXENx SERIAL_REGNAME(RXEN,SERIAL_PORT,) </span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define M_TXENx SERIAL_REGNAME(TXEN,SERIAL_PORT,) </span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,) </span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,) </span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,) </span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define M_UBRRxL SERIAL_REGNAME(UBRR,SERIAL_PORT,L)</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define M_RXCx SERIAL_REGNAME(RXC,SERIAL_PORT,)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#define M_FEx SERIAL_REGNAME(FE,SERIAL_PORT,)</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define M_USARTx_RX_vect SERIAL_REGNAME(USART,SERIAL_PORT,_RX_vect)</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define M_U2Xx SERIAL_REGNAME(U2X,SERIAL_PORT,)</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</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>  </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define DEC 10</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#define HEX 16</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#define OCT 8</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define BIN 2</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define BYTE 0</span></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>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#ifndef AT90USB</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// Define constants and variables for buffering incoming serial data. We're</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// using a ring buffer (I think), in which rx_buffer_head is the index of the</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// location to which to write the next incoming character and rx_buffer_tail</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">// is the index of the location from which to read.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define RX_BUFFER_SIZE 128</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">extern</span> uint8_t selectedSerialPort;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structring__buffer.html"> 80</a></span> <span class="keyword">struct </span><a class="code" href="structring__buffer.html">ring_buffer</a></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> buffer[RX_BUFFER_SIZE];</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">int</span> head;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">int</span> tail;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> };</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> <span class="preprocessor">#ifdef HAS_UART</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">extern</span> <a class="code" href="structring__buffer.html">ring_buffer</a> rx_buffer;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif</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"><a class="line" href="classMarlinSerial.html"> 91</a></span> <span class="keyword">class </span><a class="code" href="classMarlinSerial.html">MarlinSerial</a> <span class="comment">//: public Stream</span></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>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> begin(<span class="keywordtype">long</span>);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> end();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> peek(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> read(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> flush(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">static</span> <span class="comment">/*FORCE_INLINE*/</span> <span class="keywordtype">int</span> available(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)(RX_BUFFER_SIZE + rx_buffer.head - rx_buffer.tail) % RX_BUFFER_SIZE;</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>  <span class="comment">/*</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> FORCE_INLINE void write(uint8_t c)</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> {</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> while (!((M_UCSRxA) & (1 << M_UDREx)))</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> ;</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> M_UDRx = c;</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> }</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> write(uint8_t c)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (selectedSerialPort == 0)</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>  <span class="keywordflow">while</span> (!((M_UCSRxA) & (1 << M_UDREx)));</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  M_UDRx = c;</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">else</span> <span class="keywordflow">if</span> (selectedSerialPort == 1)</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>  <span class="keywordflow">while</span> (!((UCSR1A) & (1 << UDRE1)));</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  UDR1 = c;</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>  }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> checkRx(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (selectedSerialPort == 0) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span>((M_UCSRxA & (1<<M_RXCx)) != 0) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Test for a framing error.</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (M_UCSRxA & (1<<M_FEx)) {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Characters received with the framing errors will be ignored.</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// The temporary variable "c" was made volatile, so the compiler does not optimize this out.</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  (void)(*(<span class="keywordtype">char</span> *)M_UDRx);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c = M_UDRx;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">int</span> i = (<span class="keywordtype">unsigned</span> int)(rx_buffer.head + 1) % RX_BUFFER_SIZE;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// if we should be storing the received character into the location</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// just before the tail (meaning that the head would advance to the</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// current location of the tail), we're about to overflow the buffer</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// and so we don't write the character or advance the head.</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (i != rx_buffer.tail) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  rx_buffer.buffer[rx_buffer.head] = c;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  rx_buffer.head = i;</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="comment">//selectedSerialPort = 0;</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#ifdef DEBUG_DUMP_TO_2ND_SERIAL</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  UDR1 = c;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#endif </span><span class="comment">//DEBUG_DUMP_TO_2ND_SERIAL</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>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  } <span class="keywordflow">else</span> { <span class="comment">// if(selectedSerialPort == 1) {</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span>((UCSR1A & (1<<RXC1)) != 0) {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// Test for a framing error.</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (UCSR1A & (1<<FE1)) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Characters received with the framing errors will be ignored.</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// The temporary variable "c" was made volatile, so the compiler does not optimize this out.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  (void)(*(<span class="keywordtype">char</span> *)UDR1);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c = UDR1;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">int</span> i = (<span class="keywordtype">unsigned</span> int)(rx_buffer.head + 1) % RX_BUFFER_SIZE;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// if we should be storing the received character into the location</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// just before the tail (meaning that the head would advance to the</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// current location of the tail), we're about to overflow the buffer</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// and so we don't write the character or advance the head.</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (i != rx_buffer.tail) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  rx_buffer.buffer[rx_buffer.head] = c;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  rx_buffer.head = i;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">//selectedSerialPort = 1;</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#ifdef DEBUG_DUMP_TO_2ND_SERIAL</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  M_UDRx = c;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor">#endif </span><span class="comment">//DEBUG_DUMP_TO_2ND_SERIAL</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>  }</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>  }</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="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> printNumber(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, uint8_t);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> printFloat(<span class="keywordtype">double</span>, uint8_t);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</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="keyword">public</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="comment">/*FORCE_INLINE*/</span> <span class="keywordtype">void</span> write(<span class="keyword">const</span> <span class="keywordtype">char</span> *str)</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">while</span> (*str)</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  write(*str++);</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="comment">/*FORCE_INLINE*/</span> <span class="keywordtype">void</span> write(<span class="keyword">const</span> uint8_t *buffer, <span class="keywordtype">size_t</span> size)</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>  <span class="keywordflow">while</span> (size--)</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  write(*buffer++);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</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">/* static FORCE_INLINE void print(const String &s)</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> {</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> for (int i = 0; i < (int)s.length(); i++) {</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> write(s[i]);</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> }</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> }*/</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">static</span> FORCE_INLINE <span class="keywordtype">void</span> print(<span class="keyword">const</span> <span class="keywordtype">char</span> *str)</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  write(str);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">char</span>, <span class="keywordtype">int</span> = BYTE);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>, <span class="keywordtype">int</span> = BYTE);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">int</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">long</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> print(<span class="keywordtype">double</span>, <span class="keywordtype">int</span> = 2);</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> <span class="comment">// static void println(const String &s);</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keyword">const</span> <span class="keywordtype">char</span>[]);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">char</span>, <span class="keywordtype">int</span> = BYTE);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>, <span class="keywordtype">int</span> = BYTE);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">int</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">long</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, <span class="keywordtype">int</span> = DEC);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">double</span>, <span class="keywordtype">int</span> = 2);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> println(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> };</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="keyword">extern</span> <a class="code" href="classMarlinSerial.html">MarlinSerial</a> MSerial;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor">#endif </span><span class="comment">// !AT90USB</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// Use the UART for BT in AT90USB configurations</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#if defined(AT90USB) && defined (BTENABLED)</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">extern</span> HardwareSerial bt;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassMarlinSerial_html"><div class="ttname"><a href="classMarlinSerial.html">MarlinSerial</a></div><div class="ttdef"><b>Definition:</b> MarlinSerial.h:92</div></div>
<div class="ttc" id="astructring__buffer_html"><div class="ttname"><a href="structring__buffer.html">ring_buffer</a></div><div class="ttdef"><b>Definition:</b> MarlinSerial.h:81</div></div>
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