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/mbed/html/web_setup_2example_8cpp-example.html
- Committer:
- aymangrais
- Date:
- 2015-09-28
- Revision:
- 42:8ffb253b09e7
- Parent:
- 34:2616445d0823
- Child:
- 39:a963f69cb2de
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WiConnect Host Library- API Reference Guide</td>
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<div class="title">web_setup/example.cpp</div> </div>
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<p>This is an example of using the web setup network API to configure the module network credentials remotely.</p>
<p>It works as follows:</p><ol type="1">
<li>Instantiate the WiConnect Library</li>
<li>Initiate Communication with WiFi Module</li>
<li>Start WebSetup with specified parameters</li>
<li>Wait for web setup webpage to complete</li>
<li>That's it!</li>
</ol>
<div class="fragment"><div class="line"></div>
<div class="line"><span class="comment">/******************************************************************************</span></div>
<div class="line"><span class="comment"> * Example Variables</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"></div>
<div class="line"><span class="comment">// This is the name of the WebSetup network</span></div>
<div class="line"><span class="comment">// Look for this name in your WiFi settings</span></div>
<div class="line"><span class="comment">// (e.g. your phone's list of WiFi networks in the WiFi settings menu)</span></div>
<div class="line"><span class="comment">// tip: add double-quotes around SSID to add spaces to name</span></div>
<div class="line"><span class="preprocessor">#define WEB_SETUP_SSID "\"WiConnect WebSetup Example\""</span></div>
<div class="line"></div>
<div class="line"><span class="comment">// This is the password for the WebSetup network</span></div>
<div class="line"><span class="comment">// Leave as empty string (e.g "") to create OPEN network</span></div>
<div class="line"><span class="preprocessor">#define WEB_SETUP_PASSWORD "password"</span></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/******************************************************************************</span></div>
<div class="line"><span class="comment"> * Includes</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"></div>
<div class="line"><span class="comment">// include C library headers</span></div>
<div class="line"><span class="preprocessor">#include <stdio.h></span> <span class="comment">// needed for printf</span></div>
<div class="line"></div>
<div class="line"><span class="comment">// include target specific defines</span></div>
<div class="line"><span class="preprocessor">#include "target_config.h"</span></div>
<div class="line"><span class="comment">// include the Wiconnect Host Library API header</span></div>
<div class="line"><span class="preprocessor">#include "Wiconnect.h"</span></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/******************************************************************************</span></div>
<div class="line"><span class="comment"> * Local Functions</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> webSetupCompleteCallback(<a name="a0"></a><a class="code" href="group__api__core__types.html#ga325637ed501728bd6c8c7a7982b9ce05">WiconnectResult</a> result, <span class="keywordtype">void</span> *arg1, <span class="keywordtype">void</span> *arg2);</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/******************************************************************************</span></div>
<div class="line"><span class="comment"> * Global Defines</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">// Serial used for printfs to terminal (i.e. NOT used for WiConnect)</span></div>
<div class="line"><span class="keyword">static</span> Serial consoleSerial(STDIO_UART_TX, STDIO_UART_RX);</div>
<div class="line"></div>
<div class="line"><span class="comment">// Buffer used internally by WiConnect library, note that this is optional</span></div>
<div class="line"><span class="keyword">static</span> uint8_t wiconnectInternalBuffer[256];</div>
<div class="line"></div>
<div class="line"><span class="comment">// Flag that indicate websetup has completed</span></div>
<div class="line"><span class="keyword">static</span> <span class="keyword">volatile</span> <span class="keywordtype">bool</span> webSetupCompleteFlag = <span class="keyword">false</span>;</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">/******************************************************************************</span></div>
<div class="line"><span class="comment"> * Starting point of application</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line">{</div>
<div class="line"> consoleSerial.baud(115200); <span class="comment">// console terminal to 115200 baud</span></div>
<div class="line"></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"> <span class="comment">// STEP 1: Instantiate WiConnect Library</span></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"></div>
<div class="line"> <span class="comment">// Setup wiconnect serial interface configuration</span></div>
<div class="line"> <span class="comment">// Here we only specify the rx buffer size and not rx buffer pointer, this means</span></div>
<div class="line"> <span class="comment">// The serial RX buffer will be dynamically allocated</span></div>
<div class="line"> SerialConfig serialConfig(WICONNECT_RX_PIN, WICONNECT_TX_PIN, 256, NULL);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// Instantiate the Wiconnect library</span></div>
<div class="line"> <span class="comment">// Here we specify the buffer size AND buffer pointer, this means we're using static allocation</span></div>
<div class="line"> Wiconnect wiconnect(serialConfig, <span class="keyword">sizeof</span>(wiconnectInternalBuffer), wiconnectInternalBuffer, WICONNECT_RESET_PIN);</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"> <span class="comment">// STEP 2: Initiate Communication with WiFi Module</span></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"Initializing WiConnect Library...\r\n"</span>);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// Initialize communication with WiFi module</span></div>
<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>
<div class="line"> {</div>
<div class="line"> <span class="keywordflow">if</span>(result == <a name="a2"></a><a class="code" href="group__api__core__types.html#gga325637ed501728bd6c8c7a7982b9ce05a62defbdafd472461054dd6bb888c9a1e">WICONNECT_FIRMWARE_OUTDATED</a>)</div>
<div class="line"> {</div>
<div class="line"> printf(<span class="stringliteral">"The WiFi firmware is not supported. Run the ota example to update the firmware:\r\n"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"https://developer.mbed.org/teams/ACKme/code/wiconnect-ota_example"</span>);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> {</div>
<div class="line"> printf(<span class="stringliteral">"Failed to initialize communication with WiFi module!\r\n"</span></div>
<div class="line"> <span class="stringliteral">"Make sure the wires are connected correctly\r\n"</span>);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">for</span>(;;); <span class="comment">// infinite loop</span></div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"> <span class="comment">// STEP 3: Start WebSetup with specified parameters</span></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"Starting Websetup...\r\n"</span>);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// Start web setup</span></div>
<div class="line"> <span class="keywordflow">if</span>(wiconnect.startWebSetup(WEB_SETUP_SSID, WEB_SETUP_PASSWORD, Callback(webSetupCompleteCallback)) != <a class="code" href="group__api__core__types.html#gga325637ed501728bd6c8c7a7982b9ce05af0a2ad8af174aee6b52813d8528328e7">WICONNECT_SUCCESS</a>)</div>
<div class="line"> {</div>
<div class="line"> printf(<span class="stringliteral">"Failed to start web setup\r\n"</span>);</div>
<div class="line"> <span class="keywordflow">for</span>(;;); <span class="comment">// infinite loop</span></div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"> <span class="comment">// STEP 4: Wait for web setup webpage to complete</span></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"Web setup has started.\r\n\r\n"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"1. Using your phone (or PC, Mac, Linux, etc.)\r\n connect to the WiFi network: %s\r\n"</span>, WEB_SETUP_SSID);</div>
<div class="line"> printf(<span class="stringliteral">"2. The password is: %s\r\n"</span>, WEB_SETUP_PASSWORD);</div>
<div class="line"> printf(<span class="stringliteral">"3. Once connected, open your browser and enter the URL: http://setup.com\r\n"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"4. This will bringup a setup page, enter your router's credentials.\r\n"</span>);</div>
<div class="line"> printf(<span class="stringliteral">"5. Click the 'Save & Exit' button at the bottom of the webpage\r\n\r\n"</span>);</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">while</span>(!webSetupCompleteFlag)</div>
<div class="line"> {</div>
<div class="line"> <span class="comment">// do nothing while we wait</span></div>
<div class="line"> <span class="comment">// When the user exits web setup from the webpage</span></div>
<div class="line"> <span class="comment">// webSetupCompleteCallback() will execute and set webSetupCompleteFlag TRUE</span></div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"> <span class="comment">// STEP 5: Done!</span></div>
<div class="line"> <span class="comment">//-------------------------------------------------------------------------</span></div>
<div class="line"></div>
<div class="line"> printf(<span class="stringliteral">"IP Address: %s\r\n"</span>, wiconnect.getIpAddress());</div>
<div class="line"> printf(<span class="stringliteral">"Web setup example has completed!\r\n"</span>);</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">while</span>(<span class="keyword">true</span>){} <span class="comment">// infinite loop</span></div>
<div class="line">}</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="comment">// this function is called when web setup completes</span></div>
<div class="line"><span class="comment">// it is called in the background</span></div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> webSetupCompleteCallback(<a class="code" href="group__api__core__types.html#ga325637ed501728bd6c8c7a7982b9ce05">WiconnectResult</a> result, <span class="keywordtype">void</span> *arg1, <span class="keywordtype">void</span> *arg2)</div>
<div class="line">{</div>
<div class="line"> webSetupCompleteFlag = <span class="keyword">true</span>;</div>
<div class="line">}</div>
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| Created: | 11 Aug 2014 |
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