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<div class="title">DIO.cpp</div> </div>
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<a href="_d_i_o_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "<a class="code" href="_d_i_o_8h.html">DIO.h</a>"</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="keyword">using namespace </span><a class="code" href="namespacemy_r_i_o.html">myRIO</a>;</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="keyword">extern</span> NiFpga_Session <a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>; <span class="comment">// global variable defined in CAPI/MyRio.c</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> uint8_t <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#aa1a9751e96d19ec84fba796eb76bef5e">DIO::DOLED30_Status</a> = 0;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="classmy_r_i_o_1_1_d_i_o.html#a67e569dee3735be685916990352c7f06"> 12</a></span> <span class="keywordtype">void</span> <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#a67e569dee3735be685916990352c7f06">DIO::writeLed</a>(<span class="keywordtype">int</span> led, <span class="keywordtype">bool</span> state) {</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keywordflow">if</span>(state) <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#aa1a9751e96d19ec84fba796eb76bef5e">DOLED30_Status</a> |= (1<<led);</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keywordflow">else</span> <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#aa1a9751e96d19ec84fba796eb76bef5e">DOLED30_Status</a> &=~(1<<led);</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a> = NiFpga_WriteU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, DOLED30, <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#aa1a9751e96d19ec84fba796eb76bef5e">DOLED30_Status</a>);</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> }</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classmy_r_i_o_1_1_d_i_o.html#a3e03fee88788391a0c11253314807233"> 26</a></span> <span class="keywordtype">void</span> <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#a3e03fee88788391a0c11253314807233">DIO::parsePin</a>(<span class="keywordtype">int</span> pin, uint32_t *dirReg, uint32_t *pinsReg, <span class="keywordtype">bool</span> io) {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">if</span>(pin<<a class="code" href="namespacemy_r_i_o.html#ae2533ebac2c852bf2eb52f42ef35b7b8a9fd968fbbebb23ec36727bd1071ab115">A_LAST</a>/2) {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  *dirReg = DIOA_70DIR;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  *pinsReg= (io==<a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">OUT</a>)?DIOA_70OUT:DIOA_70IN;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(pin<<a class="code" href="namespacemy_r_i_o.html#ae2533ebac2c852bf2eb52f42ef35b7b8a9fd968fbbebb23ec36727bd1071ab115">A_LAST</a>) {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  *dirReg = DIOA_158DIR;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  *pinsReg= (io==<a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">OUT</a>)?DIOA_158OUT:DIOA_158IN;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(pin<<a class="code" href="namespacemy_r_i_o.html#a8a86c340f47a9a482fd195315ba861c1a65f77e91f294f7253fab916ce9f2f3b9">B_LAST</a>/2) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  *dirReg = DIOB_70DIR;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  *pinsReg= (io==<a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">OUT</a>)?DIOB_70OUT:DIOB_70IN;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(pin<<a class="code" href="namespacemy_r_i_o.html#a8a86c340f47a9a482fd195315ba861c1a65f77e91f294f7253fab916ce9f2f3b9">B_LAST</a>) {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  *dirReg = DIOB_158DIR;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  *pinsReg= (io==<a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">OUT</a>)?DIOB_158OUT:DIOB_158IN;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  *dirReg = DIOC_70DIR;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  *pinsReg= (io==<a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">OUT</a>)?DIOC_70OUT:DIOC_70IN;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classmy_r_i_o_1_1_d_i_o.html#a044c7d0d192711bff4edd106ba1143af"> 49</a></span> <span class="keywordtype">void</span> <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#a044c7d0d192711bff4edd106ba1143af">DIO::writePin</a>(<span class="keywordtype">int</span> pin, <span class="keywordtype">bool</span> state) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint32_t dirReg, pinsReg;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#a3e03fee88788391a0c11253314807233">parsePin</a>(pin, &dirReg, &pinsReg, <a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">OUT</a>);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint8_t dirVal, pinVal;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint8_t relPin = pin%8; <span class="comment">// relative pin position in register</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// keep the current values of the pins and the directions</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// since we are working on 8 pins at a time</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a> = NiFpga_ReadU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, pinsReg, &pinVal);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  NiFpga_MergeStatus(&<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  NiFpga_ReadU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, dirReg, &dirVal));</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>  MyRio_ReturnIfNotSuccess(<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="stringliteral">"Could not read the DIO!"</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>  dirVal |= (1<<relPin); <span class="comment">// make sure that the pin is an output</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="keywordflow">if</span>(state) pinVal |= (1<<relPin);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">else</span> pinVal &=~(1<<relPin);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  NiFpga_MergeStatus(&<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  NiFpga_WriteU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, pinsReg, pinVal));</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  NiFpga_MergeStatus(&<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  NiFpga_WriteU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, dirReg, dirVal));</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>  MyRio_ReturnIfNotSuccess(<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="stringliteral">"Could not write to the DIO!"</span>);</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> }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classmy_r_i_o_1_1_d_i_o.html#a9da566c752827b160768339b84d08961"> 83</a></span> <span class="keywordtype">int</span> <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#a9da566c752827b160768339b84d08961">DIO::readPin</a>(<span class="keywordtype">int</span> pin) {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  uint32_t dirReg, pinsReg;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classmy_r_i_o_1_1_d_i_o.html#a3e03fee88788391a0c11253314807233">parsePin</a>(pin, &dirReg, &pinsReg, <a class="code" href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea5746034b217277fe6df7055bb37578c5">IN</a>);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  uint8_t dirVal, pinVal;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  uint8_t relPin = pin%8; <span class="comment">// relative pin position in register</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>  <a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a> = NiFpga_ReadU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, dirReg, &dirVal);</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>  MyRio_ReturnValueIfNotSuccess(<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>, -1,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="stringliteral">"Could not read the DIO!"</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>  dirVal &=~ (1<<relPin); <span class="comment">// make sur that the pin is an input</span></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>  NiFpga_MergeStatus(&<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  NiFpga_WriteU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, dirReg, dirVal));</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  NiFpga_MergeStatus(&<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  NiFpga_ReadU8(<a class="code" href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a>, pinsReg, &pinVal));</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>  MyRio_ReturnValueIfNotSuccess(<a class="code" href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">status</a>, -1,</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="stringliteral">"Could not read the DIO!"</span>);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> (pinVal&(1<<relPin))>>relPin;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div><div class="ttc" id="namespacemy_r_i_o_html_ae2533ebac2c852bf2eb52f42ef35b7b8a9fd968fbbebb23ec36727bd1071ab115"><div class="ttname"><a href="namespacemy_r_i_o.html#ae2533ebac2c852bf2eb52f42ef35b7b8a9fd968fbbebb23ec36727bd1071ab115">myRIO::A_LAST</a></div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8h_source.html#l00045">DIO.h:45</a></div></div>
<div class="ttc" id="namespacemy_r_i_o_html_a8a86c340f47a9a482fd195315ba861c1a65f77e91f294f7253fab916ce9f2f3b9"><div class="ttname"><a href="namespacemy_r_i_o.html#a8a86c340f47a9a482fd195315ba861c1a65f77e91f294f7253fab916ce9f2f3b9">myRIO::B_LAST</a></div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8h_source.html#l00066">DIO.h:66</a></div></div>
<div class="ttc" id="namespacemy_r_i_o_html_ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd"><div class="ttname"><a href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea0ff8348e782ef33af50ed0745458d7bd">myRIO::OUT</a></div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8h_source.html#l00016">DIO.h:16</a></div></div>
<div class="ttc" id="classmy_r_i_o_1_1_d_i_o_html_a3e03fee88788391a0c11253314807233"><div class="ttname"><a href="classmy_r_i_o_1_1_d_i_o.html#a3e03fee88788391a0c11253314807233">myRIO::DIO::parsePin</a></div><div class="ttdeci">static void parsePin(int pin, uint32_t *dirReg, uint32_t *pinsReg, bool io)</div><div class="ttdoc">Parses the necessary registers to read or write a pin.</div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8cpp_source.html#l00026">DIO.cpp:26</a></div></div>
<div class="ttc" id="classmy_r_i_o_1_1_d_i_o_html_a67e569dee3735be685916990352c7f06"><div class="ttname"><a href="classmy_r_i_o_1_1_d_i_o.html#a67e569dee3735be685916990352c7f06">myRIO::DIO::writeLed</a></div><div class="ttdeci">static void writeLed(int led, bool state)</div><div class="ttdoc">Write to a led.</div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8cpp_source.html#l00012">DIO.cpp:12</a></div></div>
<div class="ttc" id="_d_i_o_8cpp_html_a185bfa2d35885a0f891c399e2b5399db"><div class="ttname"><a href="_d_i_o_8cpp.html#a185bfa2d35885a0f891c399e2b5399db">myrio_session</a></div><div class="ttdeci">NiFpga_Session myrio_session</div></div>
<div class="ttc" id="namespacemy_r_i_o_html_a4a95a51adb92d1bfede6144d499c1cff"><div class="ttname"><a href="namespacemy_r_i_o.html#a4a95a51adb92d1bfede6144d499c1cff">myRIO::status</a></div><div class="ttdeci">static NiFpga_Status status</div><div class="ttdoc">This global variable allow the user to keep track of errors if not 0.</div><div class="ttdef"><b>Definition:</b> <a href="_my_r_i_o_8h_source.html#l00030">MyRIO.h:30</a></div></div>
<div class="ttc" id="classmy_r_i_o_1_1_d_i_o_html_a9da566c752827b160768339b84d08961"><div class="ttname"><a href="classmy_r_i_o_1_1_d_i_o.html#a9da566c752827b160768339b84d08961">myRIO::DIO::readPin</a></div><div class="ttdeci">static int readPin(int pin)</div><div class="ttdoc">Read the state of a pin.</div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8cpp_source.html#l00083">DIO.cpp:83</a></div></div>
<div class="ttc" id="classmy_r_i_o_1_1_d_i_o_html_aa1a9751e96d19ec84fba796eb76bef5e"><div class="ttname"><a href="classmy_r_i_o_1_1_d_i_o.html#aa1a9751e96d19ec84fba796eb76bef5e">myRIO::DIO::DOLED30_Status</a></div><div class="ttdeci">static uint8_t DOLED30_Status</div><div class="ttdoc">Say LED2 is HIGH, so DOLED30 is 0100.</div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8h_source.html#l00092">DIO.h:92</a></div></div>
<div class="ttc" id="_d_i_o_8h_html"><div class="ttname"><a href="_d_i_o_8h.html">DIO.h</a></div></div>
<div class="ttc" id="namespacemy_r_i_o_html_ac47693a55c968e275c4f61e05e3e469ea5746034b217277fe6df7055bb37578c5"><div class="ttname"><a href="namespacemy_r_i_o.html#ac47693a55c968e275c4f61e05e3e469ea5746034b217277fe6df7055bb37578c5">myRIO::IN</a></div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8h_source.html#l00015">DIO.h:15</a></div></div>
<div class="ttc" id="classmy_r_i_o_1_1_d_i_o_html_a044c7d0d192711bff4edd106ba1143af"><div class="ttname"><a href="classmy_r_i_o_1_1_d_i_o.html#a044c7d0d192711bff4edd106ba1143af">myRIO::DIO::writePin</a></div><div class="ttdeci">static void writePin(int pin, bool state)</div><div class="ttdoc">Write to a pin.</div><div class="ttdef"><b>Definition:</b> <a href="_d_i_o_8cpp_source.html#l00049">DIO.cpp:49</a></div></div>
<div class="ttc" id="namespacemy_r_i_o_html"><div class="ttname"><a href="namespacemy_r_i_o.html">myRIO</a></div><div class="ttdef"><b>Definition:</b> <a href="_acc_8h_source.html#l00008">Acc.h:8</a></div></div>
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