ACKme
Host library for controlling a WiConnect enabled Wi-Fi module.
Dependents: wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more
doc/html/_command_queue_8h_source.html
- Committer:
- dan_ackme
- Date:
- 2014-08-23
- Revision:
- 17:7268f365676b
- Parent:
- 16:7f1d6d359787
- Child:
- 26:8067e3d463d3
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WiConnect Host Library- API Reference Guide</td>
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<div class="title">CommandQueue.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</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 "WiconnectTypes.h"</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"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>wiconnect</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">class </span>CommandQueue</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> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  CommandQueue()</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>  head = tail = queue;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  count = 0;</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> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span> isFull()</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">return</span> count == <a class="code" href="group__api__core__macro.html#ga7352d6662e438d0969593df9e657d43f">WICONNECT_MAX_QUEUED_COMMANDS</a>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</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="keywordtype">bool</span> isEmpty()</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>  <span class="keywordflow">return</span> count == 0;</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> </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="keywordtype">bool</span> push(QueuedCommand *cmd)</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>  <span class="keywordflow">if</span>(isFull())</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>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  ++count;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  *tail = cmd;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span>(++tail >= queue + <a class="code" href="group__api__core__macro.html#ga7352d6662e438d0969593df9e657d43f">WICONNECT_MAX_QUEUED_COMMANDS</a>)</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  tail = queue;</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="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</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="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  QueuedCommand* pop()</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span>(isEmpty())</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  QueuedCommand* cmd = *head;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  --count;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span>(++head >= queue + <a class="code" href="group__api__core__macro.html#ga7352d6662e438d0969593df9e657d43f">WICONNECT_MAX_QUEUED_COMMANDS</a>)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  head = queue;</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="keywordflow">return</span> cmd;</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> </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  QueuedCommand* queue[<a class="code" href="group__api__core__macro.html#ga7352d6662e438d0969593df9e657d43f">WICONNECT_MAX_QUEUED_COMMANDS</a>];</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  QueuedCommand** head;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  QueuedCommand** tail;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> count;</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> </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> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div>
<div class="ttc" id="group__api__core__macro_html_ga7352d6662e438d0969593df9e657d43f"><div class="ttname"><a href="group__api__core__macro.html#ga7352d6662e438d0969593df9e657d43f">WICONNECT_MAX_QUEUED_COMMANDS</a></div><div class="ttdeci">#define WICONNECT_MAX_QUEUED_COMMANDS</div><div class="ttdoc">When WICONNECT_ASYNC_TIMER_ENABLED, this specifies the max number of asynchronous commands that may b...</div><div class="ttdef"><b>Definition:</b> <a href="sdk_8h_source.html#l00088">sdk.h:88</a></div></div>
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| Created: | 11 Aug 2014 |
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