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<div class="title">8259.h</div> </div>
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<a href="../../d2/d68/8259_8h.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>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2002-2018 The UbixOS Project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights 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 was developed by Christopher W. Olsen for the UbixOS Project.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * provided that the following conditions are met:</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"> * 1) Redistributions of source code must retain the above copyright notice, this list of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * conditions, the following disclaimer and the list of authors.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * 2) Redistributions in binary form must reproduce the above copyright notice, this list of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * conditions, the following disclaimer and the list of authors in the documentation and/or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * endorse or promote products derived from this software without specific prior written</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * permission.</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"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef _ISA_8259_H</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define _ISA_8259_H</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">#include <<a class="code" href="../../d0/d27/include_2sys_2types_8h.html">sys/types.h</a>></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"><a class="line" href="../../d2/d68/8259_8h.html#a0195451428bc646f820202dc15f25d9f"> 34</a></span> <span class="preprocessor">#define mPic 0x20 // I/O for master PIC </span></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#ab5e84ca4c143a8b9a34b575201aaffd5"> 35</a></span> <span class="preprocessor">#define mImr 0x21 // I/O for master IMR </span></div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a7d4efc593ecc4ace3d92e1f4ee919b99"> 36</a></span> <span class="preprocessor">#define sPic 0xA0 // I/O for slave PIC </span></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a13b25eb31f4b435fdb1ed81c10b07315"> 37</a></span> <span class="preprocessor">#define sImr 0xA1 // I/O for slace IMR </span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a417bb9e0e5c2751570faf6d7b848f977"> 38</a></span> <span class="preprocessor">#define eoi 0x20 // EOI command </span></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a543896e13206abea73704f0f87f65d7e"> 39</a></span> <span class="preprocessor">#define icw1 0x11 // Cascade, Edge triggered </span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a16fcea0b8e8fb321710ee3fe0788b2a6"> 40</a></span> <span class="preprocessor">#define icw4 0x01 // 8088 mode </span></div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a7d84962c1a1c225344a94545309f92fc"> 41</a></span> <span class="preprocessor">#define mVec 0x68 // Vector for master </span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a2f7f6ebf05739e77a7c20aee806b771c"> 42</a></span> <span class="preprocessor">#define sVec 0x70 // Vector for slave </span></div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#a0cbb9ed77986fdbef8d7c2993555e218"> 43</a></span> <span class="preprocessor">#define ocw3Irr 0x0A // Read IRR </span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="../../d2/d68/8259_8h.html#abaacf6309e8d45434b9d3974cec874b7"> 44</a></span> <span class="preprocessor">#define ocw3Isr 0x0B // Read ISR </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="keywordtype">int</span> <a class="code" href="../../d2/d68/8259_8h.html#a8045101c57cc1791817412b1016794b4">i8259_init</a>();</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keywordtype">void</span> <a class="code" href="../../d2/d68/8259_8h.html#a0ac079c4d770f02e505f4d8569a6960a">irqEnable</a>(<a class="code" href="../../dd/d1e/objgfx30_8h.html#a81f3b46fa4ddd984830104840a08da82">uInt16</a> irqNo);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">void</span> <a class="code" href="../../d2/d68/8259_8h.html#a2b9ec30943ddb0a2ef3bd7ccfd2026c0">irqDisable</a>(<a class="code" href="../../dd/d1e/objgfx30_8h.html#a81f3b46fa4ddd984830104840a08da82">uInt16</a> irqNo);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/***</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> $Log: 8259.h,v $</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> Revision 1.1.1.1 2006/06/01 12:46:14 reddawg</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> ubix2</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"></span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> Revision 1.2 2005/10/12 00:13:36 reddawg</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> Removed</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"></span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> Revision 1.1.1.1 2005/09/26 17:23:39 reddawg</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> no message</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"></span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> Revision 1.4 2004/07/09 13:20:08 reddawg</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> Oh yeah duh you can not name functions with numbers</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"></span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> Revision 1.3 2004/07/09 13:14:29 reddawg</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> 8259: changed init8259 to 8259_init</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> Adjusted Startup Routines</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> Revision 1.2 2004/05/21 14:57:16 reddawg</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> Cleaned up</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"></span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> END</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> ***/</span></div>
</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="a8259_8h_html_a8045101c57cc1791817412b1016794b4"><div class="ttname"><a href="../../d2/d68/8259_8h.html#a8045101c57cc1791817412b1016794b4">i8259_init</a></div><div class="ttdeci">int i8259_init()</div><div class="ttdoc">initialize the 8259 PIC</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d60/8259_8c_source.html#l00041">8259.c:41</a></div></div>
<div class="ttc" id="aobjgfx30_8h_html_a81f3b46fa4ddd984830104840a08da82"><div class="ttname"><a href="../../dd/d1e/objgfx30_8h.html#a81f3b46fa4ddd984830104840a08da82">uInt16</a></div><div class="ttdeci">unsigned short int uInt16</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d1e/objgfx30_8h_source.html#l00048">objgfx30.h:48</a></div></div>
<div class="ttc" id="a8259_8h_html_a2b9ec30943ddb0a2ef3bd7ccfd2026c0"><div class="ttname"><a href="../../d2/d68/8259_8h.html#a2b9ec30943ddb0a2ef3bd7ccfd2026c0">irqDisable</a></div><div class="ttdeci">void irqDisable(uInt16 irqNo)</div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html"><div class="ttname"><a href="../../d0/d27/include_2sys_2types_8h.html">types.h</a></div></div>
<div class="ttc" id="a8259_8h_html_a0ac079c4d770f02e505f4d8569a6960a"><div class="ttname"><a href="../../d2/d68/8259_8h.html#a0ac079c4d770f02e505f4d8569a6960a">irqEnable</a></div><div class="ttdeci">void irqEnable(uInt16 irqNo)</div></div>
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