ACKme / WiConnect

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/join_2example_8cpp-example.html@16:7f1d6d359787, 2014-08-13 (annotated)

Committer:
dan_ackme
Date:
Wed Aug 13 04:41:04 2014 -0700
Revision:
16:7f1d6d359787
Parent:
14:85a2ed029f37
Child:
17:7268f365676b
updated documentation and copyright

Who changed what in which revision?

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dan_ackme 14:85a2ed029f37 35 WiConnect Host Library- API Reference Guide</td>
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dan_ackme 14:85a2ed029f37 101 <div class="title">join/example.cpp</div> </div>
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dan_ackme 14:85a2ed029f37 103 <div class="contents">
dan_ackme 14:85a2ed029f37 104 <p>This is an example of using the join network API to join a WiFi network.</p>
dan_ackme 14:85a2ed029f37 105 <p>It works as follows:</p><ol type="1">
dan_ackme 14:85a2ed029f37 106 <li>Instantiate the WiConnect Library</li>
dan_ackme 14:85a2ed029f37 107 <li>Initiate Communication with WiFi Module</li>
dan_ackme 14:85a2ed029f37 108 <li>Join a network using the specified parameters</li>
dan_ackme 14:85a2ed029f37 109 <li>Wait for the module to join</li>
dan_ackme 14:85a2ed029f37 110 <li>That's it!</li>
dan_ackme 14:85a2ed029f37 111 </ol>
dan_ackme 14:85a2ed029f37 112 <div class="fragment"><div class="line"></div>
dan_ackme 14:85a2ed029f37 113 <div class="line"><span class="comment">/******************************************************************************</span></div>
dan_ackme 14:85a2ed029f37 114 <div class="line"><span class="comment"> * Example Variables</span></div>
dan_ackme 14:85a2ed029f37 115 <div class="line"><span class="comment"> */</span></div>
dan_ackme 14:85a2ed029f37 116 <div class="line"></div>
dan_ackme 14:85a2ed029f37 117 <div class="line"><span class="comment">// This is the name of your WiFi network</span></div>
dan_ackme 14:85a2ed029f37 118 <div class="line"><span class="comment">// Look for this name in your WiFi settings</span></div>
dan_ackme 14:85a2ed029f37 119 <div class="line"><span class="comment">// (e.g. your phone&#39;s list of WiFi networks in the WiFi settings menu)</span></div>
dan_ackme 14:85a2ed029f37 120 <div class="line"><span class="comment">// tip: add double-quotes around SSID to add spaces to name</span></div>
dan_ackme 16:7f1d6d359787 121 <div class="line"><span class="preprocessor">#define NETWORK_SSID &quot;\&quot;&lt;YOUR NETWORK NAME HERE&gt;\&quot;&quot;</span></div>
dan_ackme 14:85a2ed029f37 122 <div class="line"></div>
dan_ackme 14:85a2ed029f37 123 <div class="line"><span class="comment">// This is the password of your WiFi network</span></div>
dan_ackme 14:85a2ed029f37 124 <div class="line"><span class="comment">// Leave as empty string (e.g &quot;&quot;) to connect to OPEN network</span></div>
dan_ackme 16:7f1d6d359787 125 <div class="line"><span class="preprocessor">#define NETWORK_PASSWORD &quot;\&quot;&lt;YOUR NETWORK PASSWORD HERE&gt;\&quot;&quot;</span></div>
dan_ackme 14:85a2ed029f37 126 <div class="line"></div>
dan_ackme 14:85a2ed029f37 127 <div class="line"></div>
dan_ackme 14:85a2ed029f37 128 <div class="line"></div>
dan_ackme 14:85a2ed029f37 129 <div class="line"></div>
dan_ackme 14:85a2ed029f37 130 <div class="line"><span class="comment">/******************************************************************************</span></div>
dan_ackme 14:85a2ed029f37 131 <div class="line"><span class="comment"> * Includes</span></div>
dan_ackme 14:85a2ed029f37 132 <div class="line"><span class="comment"> */</span></div>
dan_ackme 14:85a2ed029f37 133 <div class="line"></div>
dan_ackme 14:85a2ed029f37 134 <div class="line"><span class="comment">// include C library headers</span></div>
dan_ackme 14:85a2ed029f37 135 <div class="line"><span class="preprocessor">#include &lt;stdio.h&gt;</span> <span class="comment">// needed for printf</span></div>
dan_ackme 14:85a2ed029f37 136 <div class="line"></div>
dan_ackme 14:85a2ed029f37 137 <div class="line"><span class="comment">// include target specific defines</span></div>
dan_ackme 14:85a2ed029f37 138 <div class="line"><span class="preprocessor">#include &quot;target_config.h&quot;</span></div>
dan_ackme 14:85a2ed029f37 139 <div class="line"><span class="comment">// include the Wiconnect Host Library API header</span></div>
dan_ackme 14:85a2ed029f37 140 <div class="line"><span class="preprocessor">#include &quot;Wiconnect.h&quot;</span></div>
dan_ackme 14:85a2ed029f37 141 <div class="line"></div>
dan_ackme 14:85a2ed029f37 142 <div class="line"></div>
dan_ackme 14:85a2ed029f37 143 <div class="line"></div>
dan_ackme 14:85a2ed029f37 144 <div class="line"><span class="comment">/******************************************************************************</span></div>
dan_ackme 14:85a2ed029f37 145 <div class="line"><span class="comment"> * Global Defines</span></div>
dan_ackme 14:85a2ed029f37 146 <div class="line"><span class="comment"> */</span></div>
dan_ackme 14:85a2ed029f37 147 <div class="line"></div>
dan_ackme 14:85a2ed029f37 148 <div class="line"></div>
dan_ackme 14:85a2ed029f37 149 <div class="line"><span class="comment">// Serial used for printfs to terminal (i.e. NOT used for WiConnect)</span></div>
dan_ackme 14:85a2ed029f37 150 <div class="line"><span class="keyword">static</span> Serial consoleSerial(STDIO_UART_TX, STDIO_UART_RX);</div>
dan_ackme 14:85a2ed029f37 151 <div class="line"></div>
dan_ackme 14:85a2ed029f37 152 <div class="line"></div>
dan_ackme 14:85a2ed029f37 153 <div class="line"></div>
dan_ackme 14:85a2ed029f37 154 <div class="line"></div>
dan_ackme 14:85a2ed029f37 155 <div class="line"><span class="comment">/******************************************************************************</span></div>
dan_ackme 14:85a2ed029f37 156 <div class="line"><span class="comment"> * Starting point of application</span></div>
dan_ackme 14:85a2ed029f37 157 <div class="line"><span class="comment"> */</span></div>
dan_ackme 14:85a2ed029f37 158 <div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
dan_ackme 14:85a2ed029f37 159 <div class="line">{</div>
dan_ackme 14:85a2ed029f37 160 <div class="line"> <a name="a0"></a><a class="code" href="group__api__network__types.html#gab448e57fc1a5e21cbba0283fd1a35d99">NetworkStatus</a> networkStatus;</div>
dan_ackme 14:85a2ed029f37 161 <div class="line"></div>
dan_ackme 14:85a2ed029f37 162 <div class="line"></div>
dan_ackme 14:85a2ed029f37 163 <div class="line"> consoleSerial.baud(115200); <span class="comment">// console terminal to 115200 baud</span></div>
dan_ackme 14:85a2ed029f37 164 <div class="line"></div>
dan_ackme 14:85a2ed029f37 165 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 166 <div class="line"> <span class="comment">// STEP 1: Instantiate WiConnect Library</span></div>
dan_ackme 14:85a2ed029f37 167 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 168 <div class="line"></div>
dan_ackme 14:85a2ed029f37 169 <div class="line"> <span class="comment">// Setup wiconnect serial interface configuration</span></div>
dan_ackme 14:85a2ed029f37 170 <div class="line"> <span class="comment">// Here we only specify the rx buffer size and not rx buffer pointer, this means</span></div>
dan_ackme 14:85a2ed029f37 171 <div class="line"> <span class="comment">// The serial RX buffer will be dynamically allocated</span></div>
dan_ackme 16:7f1d6d359787 172 <div class="line"> SerialConfig serialConfig(WICONNECT_RX_PIN, WICONNECT_TX_PIN, 256, NULL);</div>
dan_ackme 14:85a2ed029f37 173 <div class="line"></div>
dan_ackme 14:85a2ed029f37 174 <div class="line"> <span class="comment">// Instantiate the Wiconnect library</span></div>
dan_ackme 14:85a2ed029f37 175 <div class="line"> <span class="comment">// Here we only specify the buffer size and not buffer pointer, this means</span></div>
dan_ackme 14:85a2ed029f37 176 <div class="line"> <span class="comment">// The internal buffer will be dynamically allocated</span></div>
dan_ackme 16:7f1d6d359787 177 <div class="line"> Wiconnect wiconnect(serialConfig, 256, NULL, WICONNECT_RESET_PIN);</div>
dan_ackme 14:85a2ed029f37 178 <div class="line"></div>
dan_ackme 14:85a2ed029f37 179 <div class="line"></div>
dan_ackme 14:85a2ed029f37 180 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 181 <div class="line"> <span class="comment">// STEP 2: Initiate Communication with WiFi Module</span></div>
dan_ackme 14:85a2ed029f37 182 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 183 <div class="line"></div>
dan_ackme 14:85a2ed029f37 184 <div class="line"> printf(<span class="stringliteral">&quot;Initializing WiConnect Library...\r\n&quot;</span>);</div>
dan_ackme 14:85a2ed029f37 185 <div class="line"></div>
dan_ackme 14:85a2ed029f37 186 <div class="line"> <span class="comment">// Initialize communication with WiFi module</span></div>
dan_ackme 14:85a2ed029f37 187 <div class="line"> <span class="keywordflow">if</span>(wiconnect.init(<span class="keyword">true</span>) != <a name="a1"></a><a class="code" href="group__api__core__types.html#gga325637ed501728bd6c8c7a7982b9ce05af0a2ad8af174aee6b52813d8528328e7">WICONNECT_SUCCESS</a>)</div>
dan_ackme 14:85a2ed029f37 188 <div class="line"> {</div>
dan_ackme 14:85a2ed029f37 189 <div class="line"> printf(<span class="stringliteral">&quot;Failed to initialize communication with WiFi module!\r\n&quot;</span></div>
dan_ackme 14:85a2ed029f37 190 <div class="line"> <span class="stringliteral">&quot;Make sure the wires are connected correctly\r\n&quot;</span>);</div>
dan_ackme 14:85a2ed029f37 191 <div class="line"> <span class="keywordflow">for</span>(;;); <span class="comment">// infinite loop</span></div>
dan_ackme 14:85a2ed029f37 192 <div class="line"> }</div>
dan_ackme 14:85a2ed029f37 193 <div class="line"></div>
dan_ackme 14:85a2ed029f37 194 <div class="line"></div>
dan_ackme 14:85a2ed029f37 195 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 196 <div class="line"> <span class="comment">// STEP 3: Join a network using the specified parameters</span></div>
dan_ackme 14:85a2ed029f37 197 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 198 <div class="line"></div>
dan_ackme 14:85a2ed029f37 199 <div class="line"> printf(<span class="stringliteral">&quot;Joining network: %s....\r\n&quot;</span>, NETWORK_SSID);</div>
dan_ackme 14:85a2ed029f37 200 <div class="line"></div>
dan_ackme 14:85a2ed029f37 201 <div class="line"> <span class="comment">// Initiate module join sequence</span></div>
dan_ackme 14:85a2ed029f37 202 <div class="line"> <span class="keywordflow">if</span>(wiconnect.join(NETWORK_SSID, NETWORK_PASSWORD) != <a class="code" href="group__api__core__types.html#gga325637ed501728bd6c8c7a7982b9ce05af0a2ad8af174aee6b52813d8528328e7">WICONNECT_SUCCESS</a>)</div>
dan_ackme 14:85a2ed029f37 203 <div class="line"> {</div>
dan_ackme 14:85a2ed029f37 204 <div class="line"> printf(<span class="stringliteral">&quot;Failed to send join command\r\n&quot;</span>);</div>
dan_ackme 14:85a2ed029f37 205 <div class="line"> <span class="keywordflow">for</span>(;;); <span class="comment">// infinite loop</span></div>
dan_ackme 14:85a2ed029f37 206 <div class="line"> }</div>
dan_ackme 14:85a2ed029f37 207 <div class="line"></div>
dan_ackme 14:85a2ed029f37 208 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 209 <div class="line"> <span class="comment">// STEP 4: Wait for the module to join the network</span></div>
dan_ackme 14:85a2ed029f37 210 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 211 <div class="line"></div>
dan_ackme 14:85a2ed029f37 212 <div class="line"> printf(<span class="stringliteral">&quot;Waiting to join network....\r\n&quot;</span>);</div>
dan_ackme 14:85a2ed029f37 213 <div class="line"></div>
dan_ackme 14:85a2ed029f37 214 <div class="line"> <span class="keywordflow">do</span></div>
dan_ackme 14:85a2ed029f37 215 <div class="line"> {</div>
dan_ackme 14:85a2ed029f37 216 <div class="line"> <span class="comment">// poll the module for the network status</span></div>
dan_ackme 14:85a2ed029f37 217 <div class="line"> <span class="keywordflow">if</span>(wiconnect.getNetworkStatus(&amp;networkStatus) != <a class="code" href="group__api__core__types.html#gga325637ed501728bd6c8c7a7982b9ce05af0a2ad8af174aee6b52813d8528328e7">WICONNECT_SUCCESS</a>)</div>
dan_ackme 14:85a2ed029f37 218 <div class="line"> {</div>
dan_ackme 14:85a2ed029f37 219 <div class="line"> printf(<span class="stringliteral">&quot;Failed to get network status\r\n&quot;</span>);</div>
dan_ackme 14:85a2ed029f37 220 <div class="line"> <span class="keywordflow">for</span>(;;); <span class="comment">// infinite loop</span></div>
dan_ackme 14:85a2ed029f37 221 <div class="line"> }</div>
dan_ackme 14:85a2ed029f37 222 <div class="line"></div>
dan_ackme 14:85a2ed029f37 223 <div class="line"> <span class="comment">// loop until the network status is not down</span></div>
dan_ackme 14:85a2ed029f37 224 <div class="line"> } <span class="keywordflow">while</span>(networkStatus == <a name="a2"></a><a class="code" href="group__api__network__types.html#ggab448e57fc1a5e21cbba0283fd1a35d99a6a4dd5a93528f27eb983bf856b9f5067">NETWORK_STATUS_DOWN</a>);</div>
dan_ackme 14:85a2ed029f37 225 <div class="line"></div>
dan_ackme 14:85a2ed029f37 226 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 227 <div class="line"> <span class="comment">// STEP 5: Done!</span></div>
dan_ackme 14:85a2ed029f37 228 <div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
dan_ackme 14:85a2ed029f37 229 <div class="line"></div>
dan_ackme 14:85a2ed029f37 230 <div class="line"> printf(<span class="stringliteral">&quot;Network join example has completed!\r\n&quot;</span>);</div>
dan_ackme 14:85a2ed029f37 231 <div class="line"></div>
dan_ackme 14:85a2ed029f37 232 <div class="line"> <span class="keywordflow">for</span>(;;); <span class="comment">// infinite loop</span></div>
dan_ackme 14:85a2ed029f37 233 <div class="line"></div>
dan_ackme 14:85a2ed029f37 234 <div class="line"> <span class="keywordflow">return</span> 0;</div>
dan_ackme 14:85a2ed029f37 235 <div class="line">}</div>
dan_ackme 14:85a2ed029f37 236 <div class="line"></div>
dan_ackme 14:85a2ed029f37 237 </div><!-- fragment --> </div><!-- contents -->
dan_ackme 14:85a2ed029f37 238 </div><!-- doc-content -->
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dan_ackme 14:85a2ed029f37 240 <ul>
dan_ackme 14:85a2ed029f37 241 <li class="footer">&copy; ACKme Networks 2014</li>
dan_ackme 14:85a2ed029f37 242 </ul>
dan_ackme 14:85a2ed029f37 243 </div>
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