225 lines
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225 lines
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<div class="title">oa.c</div> </div>
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<a href="oa_8c.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="comment">//*****************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// oa.c - Driver for the oa Module.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//*****************************************************************************</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//*****************************************************************************</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span><span class="comment">//</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">//*****************************************************************************</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "<a class="code" href="hw__memmap_8h.html">inc/hw_memmap.h</a>"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifdef __MSP430_HAS_OA_0__</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="oa_8h.html">oa.h</a>"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <assert.h></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keywordtype">void</span> OA_openSwitch( uint16_t baseAddress,</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  uint8_t positiveInputMask,</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  uint8_t negativeInputMask,</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  uint8_t groundMask</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  )</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0PSW) &= ~positiveInputMask;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0NSW) &= ~negativeInputMask;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0GSW) &= ~groundMask;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> }</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keywordtype">void</span> OA_closeSwitch(uint16_t baseAddress,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  uint8_t positiveInputMask,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  uint8_t negativeInputMask,</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  uint8_t groundMask</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  )</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0PSW) |= positiveInputMask;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0NSW) |= negativeInputMask;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0GSW) |= groundMask;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> uint8_t OA_getSwitchStatus(uint16_t baseAddress,</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  uint8_t inputTerminal</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  )</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  uint8_t returnValue = 0;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">switch</span>(inputTerminal)</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">case</span> OA_POSITIVE_INPUT_TERMINAL_SWITCHES:</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  returnValue = (<a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0PSW) & (PSW3 |</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  PSW2 |</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  PSW1 |</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  PSW0)</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  );</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">case</span> OA_NEGATIVE_INPUT_TERMINAL_SWITCHES:</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  returnValue = (<a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0NSW) & (NSW4 |</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  NSW3 |</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  NSW2 |</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  NSW1 |</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  NSW0)</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  );</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">case</span> OA_GROUND_SWITCHES:</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  returnValue = (<a class="code" href="hw__memmap_8h.html#a7bb830016238e9f911612eddc5e58143">HWREG16</a>(baseAddress + OFS_OA0GSW) & (GSW1 |</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  GSW0)</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  );</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> returnValue;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> uint8_t OA_getRailToRailInputReadyStatus(uint16_t baseAddress)</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> ((<a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) & OARRIRDY));</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> uint8_t OA_getRailToRailInputStatus(uint16_t baseAddress)</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> {</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> ((<a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) & OARRI));</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keywordtype">void</span> OA_enableRailToRailInput(uint16_t baseAddress)</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) |= OARRI;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keywordtype">void</span> OA_disableRailToRailInput(uint16_t baseAddress)</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) &= ~OARRI;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">void</span> OA_disableAmplifierMode(uint16_t baseAddress)</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) &= ~OAM;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">void</span> OA_enableAmplifierMode(uint16_t baseAddress)</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) |= OAM;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> uint8_t OA_getAmplifierModeStatus(uint16_t baseAddress)</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> ((<a class="code" href="hw__memmap_8h.html#a437bba8c6aaa7542f8d7522146157b42">HWREG8</a>(baseAddress + OFS_OA0CTL0) & OAM));</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">//*****************************************************************************</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"></span><span class="comment">//</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment">//*****************************************************************************</span></div>
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<div class="ttc" id="ahw__memmap_8h_html"><div class="ttname"><a href="hw__memmap_8h.html">hw_memmap.h</a></div></div>
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