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<div class="title">RadioIsrRoutine.cpp</div> </div>
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<a href="_radio_isr_routine_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> </div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</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"> | \/ (_) (_) </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"> | |\/| | | '_ \| | '_ ` _ \ / _ \| | | / __|/ _ \</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> | | | | | | | | | | | | | | (_) | |_| \__ \ __/ </span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> |_| |_|_|_| |_|_|_| |_| |_|\___/ \__,_|___/\___| </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"> </span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">Description : LoraWan Radio ISR Routine. </span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">Note : the isr routine isn't a global function , it is a method of RadioContainer template class. </span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> : It could be inside the PhyLayer.cpp file but for more readibility , it is choose to create a .cpp file for this method</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">License : Revised BSD License, see LICENSE.TXT file include in the project</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">Maintainer : Fabien Holin (SEMTECH)</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="_phy_layer_8h.html">PhyLayer.h</a>"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="_define_8h.html">Define.h</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="_api_mcu_8h.html">ApiMcu.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">template</span> <span class="keyword">class </span><a class="code" href="class_radio_container.html">RadioContainer<SX1276></a>;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">template</span> <span class="keyword">class </span><a class="code" href="class_radio_container.html">RadioContainer<SX126x></a>;</div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="class_radio_container.html#a4ea6769301a5aaa8e33e22562e024619"> 23</a></span> <span class="keyword">template</span> <<span class="keyword">class</span> R> <span class="keywordtype">void</span> <a class="code" href="class_radio_container.html">RadioContainer <R>::IsrRadio</a>( void ) {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordtype">int</span> status = <a class="code" href="_define_8h.html#a1cea710adbbf5b02bced8f79cd82f7b9a400ceb20987c156a2f988a2fe4702fa0">OKLORAWAN</a>;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  uint32_t tCurrentMillisec;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  RegIrqFlag = Radio->GetIrqFlags( );</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  Radio->ClearIrqFlags( ); </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">if</span> ( RegIrqFlag == <a class="code" href="_define_8h.html#ab50e1f84d728c6ede52a9606a2a262d5a87a27068f5ce93c240d9289532568e7b">RECEIVE_PACKET_IRQ_FLAG</a> ) {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  status = DumpRxPayloadAndMetadata ( );</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  Radio->Sleep ( <span class="keyword">false</span> );</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">if</span> ( status != <a class="code" href="_define_8h.html#a1cea710adbbf5b02bced8f79cd82f7b9a400ceb20987c156a2f988a2fe4702fa0">OKLORAWAN</a> ) { <span class="comment">// Case receive a packet but it isn't a valid packet </span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  RegIrqFlag = <a class="code" href="_define_8h.html#ab50e1f84d728c6ede52a9606a2a262d5ac8bc5e10a183d865a8f5e9ef2a12c993">BAD_PACKET_IRQ_FLAG</a> ; <span class="comment">// this case is exactly the same than the case of rx timeout</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  tCurrentMillisec = <a class="code" href="_api_mcu_8h.html#aa87430f83eb1f3f004ab4ec725f8b8a9">mcu</a>.RtcGetTimeMs( );</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  uint32_t timeoutMs = LastTimeRxWindowsMs - tCurrentMillisec ;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> ( (<span class="keywordtype">int</span>)( LastTimeRxWindowsMs - tCurrentMillisec - 5 * SymbolDuration ) > 0 ) {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> ( RxMod == <a class="code" href="_define_8h.html#a81bbaee3ae5a0ec0040b6faedbf80b2fa082b1eaa6386e5c3c0204226b4824c07">LORA</a> ) {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  Radio->RxLora( RxBw, RxSf, RxFrequency, timeoutMs );</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// FSK @todo</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="_define_8h.html#af1206b4d3bda8c4c8c9257f369a9e9e1">DEBUG_MSG</a>( <span class="stringliteral">"Receive a packet But rejected\n"</span>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="_define_8h.html#a0be11ce2e33906806ac4e521781809c0">DEBUG_PRINTF</a>( <span class="stringliteral">"tcurrent %u timeout = %d, end time %u \n "</span>, tCurrentMillisec, timeoutMs, LastTimeRxWindowsMs);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</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="keywordflow">else</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  Radio->Sleep ( <span class="keyword">false</span> );</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</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="keywordflow">switch</span> ( StateRadioProcess ) { </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">case</span> <a class="code" href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a752d957e61a0eb42b073191dd330646a">RADIOSTATE_TXON</a> :</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  TimestampRtcIsr = <a class="code" href="_api_mcu_8h.html#aa87430f83eb1f3f004ab4ec725f8b8a9">mcu</a>.RtcGetTimeMs ( ); <span class="comment">//@info Timestamp only on txdone it</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  StateRadioProcess = <a class="code" href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a568fdab697236b10631b5b2591a9fd79">RADIOSTATE_TXFINISHED</a>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">break</span>;</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="keywordflow">case</span> <a class="code" href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a568fdab697236b10631b5b2591a9fd79">RADIOSTATE_TXFINISHED</a> :</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  StateRadioProcess = <a class="code" href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a3db55fb40bb6ed7f2e8a6808aed4d94c">RADIOSTATE_RX1FINISHED</a>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">case</span> <a class="code" href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a3db55fb40bb6ed7f2e8a6808aed4d94c">RADIOSTATE_RX1FINISHED</a> :</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  StateRadioProcess = <a class="code" href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a06088d64207e78dc90f284ce590db72c">RADIOSTATE_IDLE</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">break</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>  default :</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="_define_8h.html#af1206b4d3bda8c4c8c9257f369a9e9e1">DEBUG_MSG</a> (<span class="stringliteral">"receive It radio error\n"</span>);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">break</span>;</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> };</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="ttc" id="_define_8h_html_af1206b4d3bda8c4c8c9257f369a9e9e1"><div class="ttname"><a href="_define_8h.html#af1206b4d3bda8c4c8c9257f369a9e9e1">DEBUG_MSG</a></div><div class="ttdeci">#define DEBUG_MSG(str)</div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00043">Define.h:43</a></div></div>
<div class="ttc" id="_define_8h_html_a81bbaee3ae5a0ec0040b6faedbf80b2fa082b1eaa6386e5c3c0204226b4824c07"><div class="ttname"><a href="_define_8h.html#a81bbaee3ae5a0ec0040b6faedbf80b2fa082b1eaa6386e5c3c0204226b4824c07">LORA</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00252">Define.h:252</a></div></div>
<div class="ttc" id="_define_8h_html_adf764cbdea00d65edcd07bb9953ad2b7a568fdab697236b10631b5b2591a9fd79"><div class="ttname"><a href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a568fdab697236b10631b5b2591a9fd79">RADIOSTATE_TXFINISHED</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00079">Define.h:79</a></div></div>
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<div class="ttc" id="_api_mcu_8h_html_aa87430f83eb1f3f004ab4ec725f8b8a9"><div class="ttname"><a href="_api_mcu_8h.html#aa87430f83eb1f3f004ab4ec725f8b8a9">mcu</a></div><div class="ttdeci">McuXX< McuSTM32L4 > mcu</div><div class="ttdoc">Radio Interrupt Pin declarations. </div></div>
<div class="ttc" id="_define_8h_html_adf764cbdea00d65edcd07bb9953ad2b7a06088d64207e78dc90f284ce590db72c"><div class="ttname"><a href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a06088d64207e78dc90f284ce590db72c">RADIOSTATE_IDLE</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00077">Define.h:77</a></div></div>
<div class="ttc" id="class_radio_container_html"><div class="ttname"><a href="class_radio_container.html">RadioContainer</a></div><div class="ttdef"><b>Definition:</b> <a href="_phy_layer_8h_source.html#l00030">PhyLayer.h:30</a></div></div>
<div class="ttc" id="_define_8h_html_a1cea710adbbf5b02bced8f79cd82f7b9a400ceb20987c156a2f988a2fe4702fa0"><div class="ttname"><a href="_define_8h.html#a1cea710adbbf5b02bced8f79cd82f7b9a400ceb20987c156a2f988a2fe4702fa0">OKLORAWAN</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00213">Define.h:213</a></div></div>
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<div class="ttc" id="_define_8h_html_ab50e1f84d728c6ede52a9606a2a262d5ac8bc5e10a183d865a8f5e9ef2a12c993"><div class="ttname"><a href="_define_8h.html#ab50e1f84d728c6ede52a9606a2a262d5ac8bc5e10a183d865a8f5e9ef2a12c993">BAD_PACKET_IRQ_FLAG</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00162">Define.h:162</a></div></div>
<div class="ttc" id="_define_8h_html_adf764cbdea00d65edcd07bb9953ad2b7a3db55fb40bb6ed7f2e8a6808aed4d94c"><div class="ttname"><a href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a3db55fb40bb6ed7f2e8a6808aed4d94c">RADIOSTATE_RX1FINISHED</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00080">Define.h:80</a></div></div>
<div class="ttc" id="_define_8h_html_ab50e1f84d728c6ede52a9606a2a262d5a87a27068f5ce93c240d9289532568e7b"><div class="ttname"><a href="_define_8h.html#ab50e1f84d728c6ede52a9606a2a262d5a87a27068f5ce93c240d9289532568e7b">RECEIVE_PACKET_IRQ_FLAG</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00161">Define.h:161</a></div></div>
<div class="ttc" id="_define_8h_html_adf764cbdea00d65edcd07bb9953ad2b7a752d957e61a0eb42b073191dd330646a"><div class="ttname"><a href="_define_8h.html#adf764cbdea00d65edcd07bb9953ad2b7a752d957e61a0eb42b073191dd330646a">RADIOSTATE_TXON</a></div><div class="ttdef"><b>Definition:</b> <a href="_define_8h_source.html#l00078">Define.h:78</a></div></div>
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