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51<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;@mainpage</div>
52<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;</div>
53<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="preprocessor"># WeeESP8266</span></div>
54<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div>
55<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;An <a class="code" href="class_e_s_p8266.html">ESP8266</a> library <span class="keywordflow">for</span> Arduino providing an easy-to-use way to manipulate <a class="code" href="class_e_s_p8266.html">ESP8266</a>.</div>
56<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div>
57<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;# Source </div>
58<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div>
59<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;Source can be download at &lt;https:<span class="comment">//github.com/itead/ITEADLIB_Arduino_WeeESP8266&gt;.</span></div>
60<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div>
61<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;You can clone it by:</div>
62<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
63<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; git clone https:<span class="comment">//github.com/itead/ITEADLIB_Arduino_WeeESP8266.git</span></div>
64<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
65<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor"># Documentation</span></div>
66<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
67<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;Online API documentation can be reached at &lt;http:<span class="comment">//docs.iteadstudio.com/ITEADLIB_Arduino_WeeESP8266/index.html&gt;.</span></div>
68<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
69<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;Offline API documentation can be found under directory </div>
70<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;[doc](https:<span class="comment">//github.com/itead/ITEADLIB_Arduino_WeeESP8266/tree/master/doc).</span></div>
71<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
72<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor"># How to get started</span></div>
73<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div>
74<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;On the home page of API documentation, the tabs of Examples, Classes and Modules </div>
75<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;will be useful <span class="keywordflow">for</span> Arduino lovers. </div>
76<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
77<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"># API List</span></div>
78<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
79<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keywordtype">bool</span> kick (<span class="keywordtype">void</span>) : Verify <a class="code" href="class_e_s_p8266.html">ESP8266</a> whether live or not.</div>
80<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; </div>
81<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; bool restart (void) : Restart <a class="code" href="class_e_s_p8266.html">ESP8266</a> by <span class="stringliteral">&quot;AT+RST&quot;</span>.</div>
82<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
83<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; String getVersion (void) : Get the version of AT Command Set.</div>
84<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; </div>
85<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; bool setOprToStation (void) : Set operation mode to staion.</div>
86<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
87<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; bool setOprToSoftAP (void) : Set operation mode to softap.</div>
88<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
89<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; bool setOprToStationSoftAP (void) : Set operation mode to station + softap.</div>
90<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; </div>
91<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; String getAPList (void) : Search available AP list and return it.</div>
92<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; </div>
93<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; bool joinAP (String ssid, String pwd) : Join in AP. </div>
94<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; </div>
95<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; bool leaveAP (void) : Leave AP joined before. </div>
96<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
97<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; bool setSoftAPParam (String ssid, String pwd, uint8_t chl=7, uint8_t ecn=4) : Set SoftAP parameters. </div>
98<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; </div>
99<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; String getJoinedDeviceIP (void) : Get the IP list of devices connected to SoftAP. </div>
100<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
101<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; String getIPStatus (void) : Get the current status of connection(UDP and TCP). </div>
102<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; </div>
103<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; String getLocalIP (void) : Get the IP address of <a class="code" href="class_e_s_p8266.html">ESP8266</a>. </div>
104<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
105<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; bool enableMUX (void) : Enable IP MUX(multiple connection mode). </div>
106<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; </div>
107<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; bool disableMUX (void) : Disable IP MUX(single connection mode). </div>
108<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
109<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; bool createTCP (String addr, uint32_t port) : Create TCP connection in single mode. </div>
110<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; </div>
111<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; bool releaseTCP (void) : Release TCP connection in single mode. </div>
112<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
113<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; bool registerUDP (String addr, uint32_t port) : Register UDP port number in single mode. </div>
114<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; </div>
115<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; bool unregisterUDP (void) : Unregister UDP port number in single mode. </div>
116<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; </div>
117<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; bool createTCP (uint8_t mux_id, String addr, uint32_t port) : Create TCP connection in multiple mode. </div>
118<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; </div>
119<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; bool releaseTCP (uint8_t mux_id) : Release TCP connection in multiple mode. </div>
120<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
121<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; bool registerUDP (uint8_t mux_id, String addr, uint32_t port) : Register UDP port number in multiple mode. </div>
122<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; </div>
123<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; bool unregisterUDP (uint8_t mux_id) : Unregister UDP port number in multiple mode. </div>
124<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
125<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; bool setTCPServerTimeout (uint32_t timeout=180) : Set the timeout of TCP Server. </div>
126<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
127<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; bool startServer (uint32_t port=333) ： Start Server(Only in multiple mode).</div>
128<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
129<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; bool stopServer (void) : Stop Server(Only in multiple mode).</div>
130<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; </div>
131<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; bool startTCPServer (uint32_t port=333) : Start TCP Server(Only in multiple mode). </div>
132<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; </div>
133<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; bool stopTCPServer (void) : Stop TCP Server(Only in multiple mode). </div>
134<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; </div>
135<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; bool send (const uint8_t *buffer, uint32_t len) : Send data based on TCP or UDP builded already in single mode. </div>
136<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; </div>
137<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; bool send (uint8_t mux_id, const uint8_t *buffer, uint32_t len) : Send data based on one of TCP or UDP builded already in multiple mode. </div>
138<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; </div>
139<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; uint32_t recv (uint8_t *buffer, uint32_t buffer_size, uint32_t timeout=1000) : Receive data from TCP or UDP builded already in single mode. </div>
140<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
141<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; uint32_t recv (uint8_t mux_id, uint8_t *buffer, uint32_t buffer_size, uint32_t timeout=1000) : Receive data from one of TCP or UDP builded already in multiple mode. </div>
142<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
143<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; uint32_t recv (uint8_t *coming_mux_id, uint8_t *buffer, uint32_t buffer_size, uint32_t timeout=1000) : Receive data from all of TCP or UDP builded already in multiple mode. </div>
144<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
145<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div>
146<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;# Mainboard Requires</div>
147<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div>
148<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; - RAM: not less than 2KBytes</div>
149<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; - Serial: one serial (HardwareSerial or SoftwareSerial) at least </div>
150<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div>
151<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;# Suppported Mainboards</div>
152<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; </div>
153<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; - Arduino UNO and its derivatives</div>
154<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; - Arduino MEGA and its derivatives</div>
155<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; - [Iteaduino UNO](http:<span class="comment">//imall.iteadstudio.com/im130312001.html)</span></div>
156<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; - [WBoard Pro](http:<span class="comment">//imall.iteadstudio.com/im141125005.html)</span></div>
157<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div>
158<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;# Using SoftwareSerial</div>
159<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div>
160<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;If you want to use SoftwareSerial to communicate with <a class="code" href="class_e_s_p8266.html">ESP8266</a>, you need to modify</div>
161<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;the line in file `<a class="code" href="class_e_s_p8266.html">ESP8266</a>.h`: </div>
162<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div>
163<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">//#define ESP8266_USE_SOFTWARE_SERIAL</span></div>
164<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
165<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;After modification, it should be:</div>
166<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;</div>
167<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; #define ESP8266_USE_SOFTWARE_SERIAL</div>
168<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;</div>
169<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div>
170<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;# Hardware Connection</div>
171<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;</div>
172<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;WeeESP8266 library only needs an uart for hardware connection. All communications </div>
173<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;are done via uart. In each example, you must specify the uart used by mainboard </div>
174<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;to communicate with <a class="code" href="class_e_s_p8266.html">ESP8266</a> flashed AT firmware.</div>
175<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;</div>
176<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;## MEGA and WBoard Pro</div>
177<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
178<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;For MEGA and WBoard Pro, `Serial1` will be used if you create an object (named wifi) </div>
179<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;of class <a class="code" href="class_e_s_p8266.html">ESP8266</a> in your code like this:</div>
180<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
181<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; #include <span class="stringliteral">&quot;ESP8266.h&quot;</span></div>
182<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <a class="code" href="class_e_s_p8266.html">ESP8266</a> wifi(Serial1);</div>
183<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
184<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;The connection should be like these:</div>
185<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
186<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; ESP8266_TX-&gt;RX1(D19)</div>
187<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; ESP8266_RX-&gt;TX1(D18)</div>
188<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; ESP8266_CH_PD-&gt;3.3V</div>
189<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; ESP8266_VCC-&gt;3.3V</div>
190<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; ESP8266_GND-&gt;GND</div>
191<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
192<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;<span class="preprocessor">## UNO</span></div>
193<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
194<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;To use SoftwareSerial, `mySerial` will be used <span class="keywordflow">if</span> you create an object (named wifi)</div>
195<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;of <span class="keyword">class </span><a class="code" href="class_e_s_p8266.html">ESP8266</a> in your code like this:</div>
196<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
197<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="preprocessor"> #include &quot;ESP8266.h&quot;</span></div>
198<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="preprocessor"> #include &lt;SoftwareSerial.h&gt;</span></div>
199<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
200<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; SoftwareSerial mySerial(3, 2); <span class="comment">/* RX:D3, TX:D2 */</span></div>
201<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <a class="code" href="class_e_s_p8266.html">ESP8266</a> wifi(mySerial);</div>
202<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;</div>
203<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;The connection should be like these:</div>
204<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div>
205<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; ESP8266_TX-&gt;RX(D3)</div>
206<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; ESP8266_RX-&gt;TX(D2)</div>
207<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; ESP8266_CH_PD-&gt;3.3V</div>
208<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; ESP8266_VCC-&gt;3.3V</div>
209<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; ESP8266_GND-&gt;GND</div>
210<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; </div>
211<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="preprocessor"># Attention</span></div>
212<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;</div>
213<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;The size of data from <a class="code" href="class_e_s_p8266.html">ESP8266</a> is too big for arduino sometimes, so the library can&#39;t</div>
214<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;receive the whole buffer because the size of the hardware serial buffer which is </div>
215<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;defined in HardwareSerial.h is too small.</div>
216<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;</div>
217<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;Open the file from `\arduino\hardware\arduino\avr\cores\arduino\HardwareSerial.h`. </div>
218<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;See the follow line in the HardwareSerial.h file.</div>
219<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div>
220<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;<span class="preprocessor"> #define SERIAL_BUFFER_SIZE 64</span></div>
221<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div>
222<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;The default size of the buffer is 64. Change it into a bigger number, like 256 or more.</div>
223<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div>
224<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
225<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;-------------------------------------------------------------------------------</div>
226<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;</div>
227<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="preprocessor"># The End!</span></div>
228<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div>
229<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;-------------------------------------------------------------------------------</div>
230<div class="ttc" id="class_e_s_p8266_html"><div class="ttname"><a href="class_e_s_p8266.html">ESP8266</a></div><div class="ttdoc">Provide an easy-to-use way to manipulate ESP8266. </div><div class="ttdef"><b>Definition:</b> <a href="_e_s_p8266_8h_source.html#l00038">ESP8266.h:38</a></div></div>
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