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
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17:7268f365676b
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<div class="header">
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<div class="title">CommandQueue.h</div>  </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &quot;WiconnectTypes.h&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">namespace </span>wiconnect</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;{</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">class </span>CommandQueue</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;{</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    CommandQueue()</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    {</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        head = tail = queue;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        count = 0;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    }</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordtype">bool</span> isFull()</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        <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>&#160;    }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordtype">bool</span> isEmpty()</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    {</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        <span class="keywordflow">return</span> count == 0;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    }</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keywordtype">bool</span> push(QueuedCommand *cmd)</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keywordflow">if</span>(isFull())</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        {</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        ++count;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        *tail = cmd;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordflow">if</span>(++tail &gt;= 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>&#160;        {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            tail = queue;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <span class="comment">/*************************************************************************************************/</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    QueuedCommand* pop()</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    {</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        <span class="keywordflow">if</span>(isEmpty())</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        QueuedCommand* cmd = *head;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        --count;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordflow">if</span>(++head &gt;= 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>&#160;        {</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            head = queue;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        }</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;        <span class="keywordflow">return</span> cmd;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    }</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    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>&#160;    QueuedCommand** head;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    QueuedCommand** tail;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordtype">int</span> count;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;};</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;}</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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