ESP8266.h

00001 /**
00002  * Use ESP-8266 (called ESP-WROOM-02 in Japan) from LPC1114
00003  * LPC1114 has only 1 Hardware UART so this class uses SoftSerial to 
00004  * communicate with ESP-8266.
00005  * I wrote like this class for Arduino then partially ported to mbed.
00006  *
00007  * 2016/05/13
00008  * By Kazuo Tsubaki
00009  **/
00010  
00011 #ifndef __ESP8266__
00012 #define __ESP8266__
00013 
00014 #include <mbed.h>
00015 #include "SoftSerial.h"
00016 
00017 class ESP8266 {
00018 public:
00019 
00020     // Constructor
00021     ESP8266(SoftSerial *s);
00022     ~ESP8266();
00023     
00024     // Example for configuring ESP
00025     bool config();
00026     // Use Serial to logging
00027     void setLogger(Serial *log);
00028     
00029     // Connect to WiFi AP
00030     bool connect(char *ssid, char *password);
00031     // Send command to ESP-8266 (see AT command list of the module)
00032     void sendRequest(char *req);
00033     // Read resultant response of AT command. Needs some waits to read after AT command.
00034     char *readResponse();
00035     
00036     // AT
00037     bool nop();
00038     // AT+GMR
00039     void version();
00040     // AT+RST
00041     bool reset();
00042     // AT+CWMODE=n    n= 1:Station Mode, 2:AP Mode, 3:Station Mode + AP Mode
00043     bool mode(int mode);
00044     // AT+CIPMUX=n    n= 0:Single, 1=Multi
00045     bool connectionMode(int connMode);
00046     // AT+CIPSTA?
00047     void connectionStatus();
00048     
00049 private:
00050 
00051     void sendCmd();
00052     void getReply();
00053     bool _ok();
00054     
00055 private:
00056 
00057     char cmdbuffer[266];
00058     char replybuffer[1024];
00059     SoftSerial *stream;
00060     int replycount, timeout, getcount;
00061     Timer t;
00062     Serial *logger;
00063 };    
00064 
00065 
00066 #endif