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				|  |  |  |  | /** | 
		
	
		
			
				|  |  |  |  |  * @file       TinyGsmClientA6.h | 
		
	
		
			
				|  |  |  |  |  * @author     Volodymyr Shymanskyy | 
		
	
		
			
				|  |  |  |  |  * @license    LGPL-3.0 | 
		
	
		
			
				|  |  |  |  |  * @copyright  Copyright (c) 2016 Volodymyr Shymanskyy | 
		
	
		
			
				|  |  |  |  |  * @date       Nov 2016 | 
		
	
		
			
				|  |  |  |  |  */ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | #ifndef TinyGsmClientA6_h | 
		
	
		
			
				|  |  |  |  | #define TinyGsmClientA6_h | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | //#define TINY_GSM_DEBUG Serial | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | #if !defined(TINY_GSM_RX_BUFFER) | 
		
	
		
			
				|  |  |  |  |   #define TINY_GSM_RX_BUFFER 256 | 
		
	
		
			
				|  |  |  |  | #endif | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | #include <TinyGsmCommon.h> | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | #define GSM_NL "\r\n" | 
		
	
		
			
				|  |  |  |  | static const char GSM_OK[] TINY_GSM_PROGMEM = "OK" GSM_NL; | 
		
	
		
			
				|  |  |  |  | static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | enum SimStatus { | 
		
	
		
			
				|  |  |  |  |   SIM_ERROR = 0, | 
		
	
		
			
				|  |  |  |  |   SIM_READY = 1, | 
		
	
		
			
				|  |  |  |  |   SIM_LOCKED = 2, | 
		
	
		
			
				|  |  |  |  | }; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | enum RegStatus { | 
		
	
		
			
				|  |  |  |  |   REG_UNREGISTERED = 0, | 
		
	
		
			
				|  |  |  |  |   REG_SEARCHING    = 3, | 
		
	
		
			
				|  |  |  |  |   REG_DENIED       = 2, | 
		
	
		
			
				|  |  |  |  |   REG_OK_HOME      = 1, | 
		
	
		
			
				|  |  |  |  |   REG_OK_ROAMING   = 5, | 
		
	
		
			
				|  |  |  |  |   REG_UNKNOWN      = 4, | 
		
	
		
			
				|  |  |  |  | }; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | class TinyGsm | 
		
	
		
			
				|  |  |  |  | { | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | public: | 
		
	
		
			
				|  |  |  |  |   TinyGsm(Stream& stream) | 
		
	
		
			
				|  |  |  |  |     : stream(stream) | 
		
	
		
			
				|  |  |  |  |   {} | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | public: | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | class GsmClient : public Client | 
		
	
		
			
				|  |  |  |  | { | 
		
	
		
			
				|  |  |  |  |   friend class TinyGsm; | 
		
	
		
			
				|  |  |  |  |   typedef TinyGsmFifo<uint8_t, TINY_GSM_RX_BUFFER> RxFifo; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | public: | 
		
	
		
			
				|  |  |  |  |   GsmClient() {} | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   GsmClient(TinyGsm& modem) { | 
		
	
		
			
				|  |  |  |  |     init(&modem); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool init(TinyGsm* modem) { | 
		
	
		
			
				|  |  |  |  |     at = modem; | 
		
	
		
			
				|  |  |  |  |     mux = -1; | 
		
	
		
			
				|  |  |  |  |     sock_connected = false; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     return true; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | public: | 
		
	
		
			
				|  |  |  |  |   virtual int connect(const char *host, uint16_t port) { | 
		
	
		
			
				|  |  |  |  |     TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |     rx.clear(); | 
		
	
		
			
				|  |  |  |  |     uint8_t newMux = -1; | 
		
	
		
			
				|  |  |  |  |     sock_connected = at->modemConnect(host, port, &newMux); | 
		
	
		
			
				|  |  |  |  |     if (sock_connected) { | 
		
	
		
			
				|  |  |  |  |       mux = newMux; | 
		
	
		
			
				|  |  |  |  |       at->sockets[mux] = this; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return sock_connected; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual int connect(IPAddress ip, uint16_t port) { | 
		
	
		
			
				|  |  |  |  |     String host; host.reserve(16); | 
		
	
		
			
				|  |  |  |  |     host += ip[0]; | 
		
	
		
			
				|  |  |  |  |     host += "."; | 
		
	
		
			
				|  |  |  |  |     host += ip[1]; | 
		
	
		
			
				|  |  |  |  |     host += "."; | 
		
	
		
			
				|  |  |  |  |     host += ip[2]; | 
		
	
		
			
				|  |  |  |  |     host += "."; | 
		
	
		
			
				|  |  |  |  |     host += ip[3]; | 
		
	
		
			
				|  |  |  |  |     return connect(host.c_str(), port); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual void stop() { | 
		
	
		
			
				|  |  |  |  |     TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |     at->sendAT(GF("+CIPCLOSE="), mux); | 
		
	
		
			
				|  |  |  |  |     sock_connected = false; | 
		
	
		
			
				|  |  |  |  |     at->waitResponse(); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual size_t write(const uint8_t *buf, size_t size) { | 
		
	
		
			
				|  |  |  |  |     TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |     //at->maintain(); | 
		
	
		
			
				|  |  |  |  |     return at->modemSend(buf, size, mux); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual size_t write(uint8_t c) { | 
		
	
		
			
				|  |  |  |  |     return write(&c, 1); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual int available() { | 
		
	
		
			
				|  |  |  |  |     TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |     if (!rx.size()) { | 
		
	
		
			
				|  |  |  |  |       at->maintain(); | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return rx.size(); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual int read(uint8_t *buf, size_t size) { | 
		
	
		
			
				|  |  |  |  |     TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |     size_t cnt = 0; | 
		
	
		
			
				|  |  |  |  |     while (cnt < size) { | 
		
	
		
			
				|  |  |  |  |       size_t chunk = TinyGsmMin(size-cnt, rx.size()); | 
		
	
		
			
				|  |  |  |  |       if (chunk > 0) { | 
		
	
		
			
				|  |  |  |  |         rx.get(buf, chunk); | 
		
	
		
			
				|  |  |  |  |         buf += chunk; | 
		
	
		
			
				|  |  |  |  |         cnt += chunk; | 
		
	
		
			
				|  |  |  |  |         continue; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |       // TODO: Read directly into user buffer? | 
		
	
		
			
				|  |  |  |  |       if (!rx.size()) { | 
		
	
		
			
				|  |  |  |  |         at->maintain(); | 
		
	
		
			
				|  |  |  |  |         //break; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return cnt; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual int read() { | 
		
	
		
			
				|  |  |  |  |     uint8_t c; | 
		
	
		
			
				|  |  |  |  |     if (read(&c, 1) == 1) { | 
		
	
		
			
				|  |  |  |  |       return c; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return -1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual int peek() { return -1; } //TODO | 
		
	
		
			
				|  |  |  |  |   virtual void flush() { at->stream.flush(); } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   virtual uint8_t connected() { | 
		
	
		
			
				|  |  |  |  |     if (available()) { | 
		
	
		
			
				|  |  |  |  |       return true; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return sock_connected; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |   virtual operator bool() { return connected(); } | 
		
	
		
			
				|  |  |  |  | private: | 
		
	
		
			
				|  |  |  |  |   TinyGsm*      at; | 
		
	
		
			
				|  |  |  |  |   uint8_t       mux; | 
		
	
		
			
				|  |  |  |  |   bool          sock_connected; | 
		
	
		
			
				|  |  |  |  |   RxFifo        rx; | 
		
	
		
			
				|  |  |  |  | }; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | public: | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * Basic functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |   bool begin() { | 
		
	
		
			
				|  |  |  |  |     return init(); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool init() { | 
		
	
		
			
				|  |  |  |  |     if (!autoBaud()) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("&FZE0"));  // Factory + Reset + Echo Off | 
		
	
		
			
				|  |  |  |  |     if (waitResponse() != 1) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CMEE=0")); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     getSimStatus(); | 
		
	
		
			
				|  |  |  |  |     return true; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool autoBaud(unsigned long timeout = 10000L) { | 
		
	
		
			
				|  |  |  |  |     for (unsigned long start = millis(); millis() - start < timeout; ) { | 
		
	
		
			
				|  |  |  |  |       sendAT(GF("E0")); | 
		
	
		
			
				|  |  |  |  |       if (waitResponse(200) == 1) { | 
		
	
		
			
				|  |  |  |  |           delay(100); | 
		
	
		
			
				|  |  |  |  |           return true; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |       delay(100); | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return false; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   void maintain() { | 
		
	
		
			
				|  |  |  |  |     //while (stream.available()) { | 
		
	
		
			
				|  |  |  |  |       waitResponse(10, NULL, NULL); | 
		
	
		
			
				|  |  |  |  |     //} | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool factoryDefault() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("&FZE0&W"));  // Factory + Reset + Echo Off + Write | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("&W"));       // Write configuration | 
		
	
		
			
				|  |  |  |  |     return waitResponse() == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * Power functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool restart() { | 
		
	
		
			
				|  |  |  |  |     if (!autoBaud()) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+RST=1")); | 
		
	
		
			
				|  |  |  |  |     delay(3000); | 
		
	
		
			
				|  |  |  |  |     return init(); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * SIM card & Networ Operator functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool simUnlock(const char *pin) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CPIN=\""), pin, GF("\"")); | 
		
	
		
			
				|  |  |  |  |     return waitResponse() == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   String getSimCCID() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CCID")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(GF(GSM_NL "+ICCID:")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return ""; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     String res = stream.readStringUntil('\n'); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     res.trim(); | 
		
	
		
			
				|  |  |  |  |     return res; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   String getIMEI() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+GSN")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(GF(GSM_NL)) != 1) { | 
		
	
		
			
				|  |  |  |  |       return ""; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     String res = stream.readStringUntil('\n'); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     res.trim(); | 
		
	
		
			
				|  |  |  |  |     return res; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   int getSignalQuality() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CSQ")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(GF(GSM_NL "+CSQ:")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return 99; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     int res = stream.readStringUntil(',').toInt(); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     return res; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool callAnswer() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("A")); | 
		
	
		
			
				|  |  |  |  |     return waitResponse() == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool callNumber(const String& number) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("D"), number); | 
		
	
		
			
				|  |  |  |  |     return waitResponse() == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool callHangup(const String& number) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("H"), number); | 
		
	
		
			
				|  |  |  |  |     return waitResponse() == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool sendSMS(const String& number, const String& text) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CMGF=1")); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CMGS=\""), number, GF("\"")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(GF(">")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     stream.print(text); | 
		
	
		
			
				|  |  |  |  |     stream.write((char)0x1A); | 
		
	
		
			
				|  |  |  |  |     return waitResponse(60000L) == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   SimStatus getSimStatus(unsigned long timeout = 10000L) { | 
		
	
		
			
				|  |  |  |  |     for (unsigned long start = millis(); millis() - start < timeout; ) { | 
		
	
		
			
				|  |  |  |  |       sendAT(GF("+CPIN?")); | 
		
	
		
			
				|  |  |  |  |       if (waitResponse(GF(GSM_NL "+CPIN:")) != 1) { | 
		
	
		
			
				|  |  |  |  |         delay(1000); | 
		
	
		
			
				|  |  |  |  |         continue; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |       int status = waitResponse(GF("READY"), GF("SIM PIN"), GF("SIM PUK")); | 
		
	
		
			
				|  |  |  |  |       waitResponse(); | 
		
	
		
			
				|  |  |  |  |       switch (status) { | 
		
	
		
			
				|  |  |  |  |       case 2: | 
		
	
		
			
				|  |  |  |  |       case 3:  return SIM_LOCKED; | 
		
	
		
			
				|  |  |  |  |       case 1:  return SIM_READY; | 
		
	
		
			
				|  |  |  |  |       default: return SIM_ERROR; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return SIM_ERROR; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   RegStatus getRegistrationStatus() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CREG?")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(GF(GSM_NL "+CREG:")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return REG_UNKNOWN; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     streamSkipUntil(','); // Skip format (0) | 
		
	
		
			
				|  |  |  |  |     int status = stream.readStringUntil('\n').toInt(); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     return (RegStatus)status; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   String getOperator() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+COPS?")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(GF(GSM_NL "+COPS:")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return ""; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     streamSkipUntil('"'); // Skip mode and format | 
		
	
		
			
				|  |  |  |  |     String res = stream.readStringUntil('"'); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     return res; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool waitForNetwork(unsigned long timeout = 60000L) { | 
		
	
		
			
				|  |  |  |  |     for (unsigned long start = millis(); millis() - start < timeout; ) { | 
		
	
		
			
				|  |  |  |  |       RegStatus s = getRegistrationStatus(); | 
		
	
		
			
				|  |  |  |  |       if (s == REG_OK_HOME || s == REG_OK_ROAMING) { | 
		
	
		
			
				|  |  |  |  |         return true; | 
		
	
		
			
				|  |  |  |  |       } else if (s == REG_UNREGISTERED) { | 
		
	
		
			
				|  |  |  |  |         return false; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |       delay(1000); | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return false; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * GPRS functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |   bool gprsConnect(const char* apn, const char* user, const char* pwd) { | 
		
	
		
			
				|  |  |  |  |     gprsDisconnect(); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CGDCONT=1,\"IP\",\""), apn, '"'); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CSTT=\""), apn, GF("\",\""), user, GF("\",\""), pwd, GF("\"")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(60000L) != 1) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     /*sendAT(GF("+CIICR")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(60000L) != 1) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     }*/ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CGACT=1,1")); | 
		
	
		
			
				|  |  |  |  |     waitResponse(60000L); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CGATT=1")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(60000L) != 1) | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     // TODO: wait AT+CGATT? | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CIPMUX=1")); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse() != 1) { | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     /*sendAT(GF("+CIFSR")); | 
		
	
		
			
				|  |  |  |  |     String data; | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(10000L, data) != 1) { | 
		
	
		
			
				|  |  |  |  |       data.replace(GSM_NL, ""); | 
		
	
		
			
				|  |  |  |  |       return false; | 
		
	
		
			
				|  |  |  |  |     }*/ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     return true; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool gprsDisconnect() { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CIPSHUT")); | 
		
	
		
			
				|  |  |  |  |     return waitResponse(60000L) == 1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * Phone Call functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * Messaging functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   void sendUSSD() { | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   void sendSMS() { | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * Location functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |   void getLocation() { | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* | 
		
	
		
			
				|  |  |  |  |    * Battery functions | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | private: | 
		
	
		
			
				|  |  |  |  |   int modemConnect(const char* host, uint16_t port, uint8_t* mux) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CIPSTART="),  GF("\"TCP"), GF("\",\""), host, GF("\","), port); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(75000L, GF(GSM_NL "+CIPNUM:")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return -1; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     int newMux = stream.readStringUntil('\n').toInt(); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     int rsp = waitResponse(75000L, | 
		
	
		
			
				|  |  |  |  |                            GF("CONNECT OK" GSM_NL), | 
		
	
		
			
				|  |  |  |  |                            GF("CONNECT FAIL" GSM_NL), | 
		
	
		
			
				|  |  |  |  |                            GF("ALREADY CONNECT" GSM_NL)); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse() != 1) { | 
		
	
		
			
				|  |  |  |  |       return -1; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     *mux = newMux; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     return (1 == rsp); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  int modemSend2(const void* buff, size_t len, uint8_t mux) { | 
		
	
		
			
				|  |  |  |  |     streamWrite(GF("AT+CIPSEND="), mux, ",", len, ","); | 
		
	
		
			
				|  |  |  |  |     stream.write((uint8_t*)buff, len); | 
		
	
		
			
				|  |  |  |  |     stream.print(GSM_NL); | 
		
	
		
			
				|  |  |  |  |     stream.flush(); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(10000L, GF(GSM_NL "OK"), GF(GSM_NL "FAIL")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return -1; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return len; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   int modemSend(const void* buff, size_t len, uint8_t mux) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CIPSEND="), mux, ",", len); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(10000L, GF(GSM_NL ">")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return -1; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     stream.write((uint8_t*)buff, len); | 
		
	
		
			
				|  |  |  |  |     stream.flush(); | 
		
	
		
			
				|  |  |  |  |     if (waitResponse(10000L, GFP(GSM_OK), GF(GSM_NL "FAIL")) != 1) { | 
		
	
		
			
				|  |  |  |  |       return -1; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return len; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool modemGetConnected(uint8_t mux) { | 
		
	
		
			
				|  |  |  |  |     sendAT(GF("+CIPSTATUS")); | 
		
	
		
			
				|  |  |  |  |     int res = waitResponse(GF(",\"CONNECTED\""), GF(",\"CLOSED\""), GF(",\"CLOSING\""), GF(",\"INITIAL\"")); | 
		
	
		
			
				|  |  |  |  |     waitResponse(); | 
		
	
		
			
				|  |  |  |  |     return 1 == res; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /* Utilities */ | 
		
	
		
			
				|  |  |  |  |   template<typename T> | 
		
	
		
			
				|  |  |  |  |   void streamWrite(T last) { | 
		
	
		
			
				|  |  |  |  |     stream.print(last); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   template<typename T, typename... Args> | 
		
	
		
			
				|  |  |  |  |   void streamWrite(T head, Args... tail) { | 
		
	
		
			
				|  |  |  |  |     stream.print(head); | 
		
	
		
			
				|  |  |  |  |     streamWrite(tail...); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   int streamRead() { return stream.read(); } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   bool streamSkipUntil(char c) { //TODO: timeout | 
		
	
		
			
				|  |  |  |  |     while (true) { | 
		
	
		
			
				|  |  |  |  |       while (!stream.available()) {} | 
		
	
		
			
				|  |  |  |  |       if (stream.read() == c) | 
		
	
		
			
				|  |  |  |  |         return true; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return false; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   template<typename... Args> | 
		
	
		
			
				|  |  |  |  |   void sendAT(Args... cmd) { | 
		
	
		
			
				|  |  |  |  |     streamWrite("AT", cmd..., GSM_NL); | 
		
	
		
			
				|  |  |  |  |     stream.flush(); | 
		
	
		
			
				|  |  |  |  |     TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |     //DBG("### AT:", cmd...); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // TODO: Optimize this! | 
		
	
		
			
				|  |  |  |  |   uint8_t waitResponse(uint32_t timeout, String& data, | 
		
	
		
			
				|  |  |  |  |                        GsmConstStr r1=GFP(GSM_OK), GsmConstStr r2=GFP(GSM_ERROR), | 
		
	
		
			
				|  |  |  |  |                        GsmConstStr r3=NULL, GsmConstStr r4=NULL, GsmConstStr r5=NULL) | 
		
	
		
			
				|  |  |  |  |   { | 
		
	
		
			
				|  |  |  |  |     /*String r1s(r1); r1s.trim(); | 
		
	
		
			
				|  |  |  |  |     String r2s(r2); r2s.trim(); | 
		
	
		
			
				|  |  |  |  |     String r3s(r3); r3s.trim(); | 
		
	
		
			
				|  |  |  |  |     String r4s(r4); r4s.trim(); | 
		
	
		
			
				|  |  |  |  |     String r5s(r5); r5s.trim(); | 
		
	
		
			
				|  |  |  |  |     DBG("### ..:", r1s, ",", r2s, ",", r3s, ",", r4s, ",", r5s);*/ | 
		
	
		
			
				|  |  |  |  |     data.reserve(64); | 
		
	
		
			
				|  |  |  |  |     int index = 0; | 
		
	
		
			
				|  |  |  |  |     unsigned long startMillis = millis(); | 
		
	
		
			
				|  |  |  |  |     do { | 
		
	
		
			
				|  |  |  |  |       TINY_GSM_YIELD(); | 
		
	
		
			
				|  |  |  |  |       while (stream.available() > 0) { | 
		
	
		
			
				|  |  |  |  |         int a = streamRead(); | 
		
	
		
			
				|  |  |  |  |         if (a <= 0) continue; // Skip 0x00 bytes, just in case | 
		
	
		
			
				|  |  |  |  |         data += (char)a; | 
		
	
		
			
				|  |  |  |  |         if (r1 && data.endsWith(r1)) { | 
		
	
		
			
				|  |  |  |  |           index = 1; | 
		
	
		
			
				|  |  |  |  |           goto finish; | 
		
	
		
			
				|  |  |  |  |         } else if (r2 && data.endsWith(r2)) { | 
		
	
		
			
				|  |  |  |  |           index = 2; | 
		
	
		
			
				|  |  |  |  |           goto finish; | 
		
	
		
			
				|  |  |  |  |         } else if (r3 && data.endsWith(r3)) { | 
		
	
		
			
				|  |  |  |  |           index = 3; | 
		
	
		
			
				|  |  |  |  |           goto finish; | 
		
	
		
			
				|  |  |  |  |         } else if (r4 && data.endsWith(r4)) { | 
		
	
		
			
				|  |  |  |  |           index = 4; | 
		
	
		
			
				|  |  |  |  |           goto finish; | 
		
	
		
			
				|  |  |  |  |         } else if (r5 && data.endsWith(r5)) { | 
		
	
		
			
				|  |  |  |  |           index = 5; | 
		
	
		
			
				|  |  |  |  |           goto finish; | 
		
	
		
			
				|  |  |  |  |         } else if (data.endsWith(GF("+CIPRCV:"))) { | 
		
	
		
			
				|  |  |  |  |           int mux = stream.readStringUntil(',').toInt(); | 
		
	
		
			
				|  |  |  |  |           int len = stream.readStringUntil(',').toInt(); | 
		
	
		
			
				|  |  |  |  |           if (len > sockets[mux]->rx.free()) { | 
		
	
		
			
				|  |  |  |  |             DBG("### Buffer overflow: ", len, "->", sockets[mux]->rx.free()); | 
		
	
		
			
				|  |  |  |  |           } else { | 
		
	
		
			
				|  |  |  |  |             DBG("### Got: ", len, "->", sockets[mux]->rx.free()); | 
		
	
		
			
				|  |  |  |  |           } | 
		
	
		
			
				|  |  |  |  |           while (len--) { | 
		
	
		
			
				|  |  |  |  |             while (!stream.available()) {} | 
		
	
		
			
				|  |  |  |  |             sockets[mux]->rx.put(stream.read()); | 
		
	
		
			
				|  |  |  |  |           } | 
		
	
		
			
				|  |  |  |  |           data = ""; | 
		
	
		
			
				|  |  |  |  |           return index; | 
		
	
		
			
				|  |  |  |  |         } else if (data.endsWith(GF("+TCPCLOSED:"))) { | 
		
	
		
			
				|  |  |  |  |           int mux = stream.readStringUntil(',').toInt(); | 
		
	
		
			
				|  |  |  |  |           stream.readStringUntil('\n'); | 
		
	
		
			
				|  |  |  |  |           sockets[mux]->sock_connected = false; | 
		
	
		
			
				|  |  |  |  |           data = ""; | 
		
	
		
			
				|  |  |  |  |         } | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |     } while (millis() - startMillis < timeout); | 
		
	
		
			
				|  |  |  |  | finish: | 
		
	
		
			
				|  |  |  |  |     if (!index) { | 
		
	
		
			
				|  |  |  |  |       data.trim(); | 
		
	
		
			
				|  |  |  |  |       if (data.length()) { | 
		
	
		
			
				|  |  |  |  |         DBG("### Unhandled:", data); | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |       data = ""; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |     return index; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   uint8_t waitResponse(uint32_t timeout, | 
		
	
		
			
				|  |  |  |  |                        GsmConstStr r1=GFP(GSM_OK), GsmConstStr r2=GFP(GSM_ERROR), | 
		
	
		
			
				|  |  |  |  |                        GsmConstStr r3=NULL, GsmConstStr r4=NULL, GsmConstStr r5=NULL) | 
		
	
		
			
				|  |  |  |  |   { | 
		
	
		
			
				|  |  |  |  |     String data; | 
		
	
		
			
				|  |  |  |  |     return waitResponse(timeout, data, r1, r2, r3, r4, r5); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   uint8_t waitResponse(GsmConstStr r1=GFP(GSM_OK), GsmConstStr r2=GFP(GSM_ERROR), | 
		
	
		
			
				|  |  |  |  |                        GsmConstStr r3=NULL, GsmConstStr r4=NULL, GsmConstStr r5=NULL) | 
		
	
		
			
				|  |  |  |  |   { | 
		
	
		
			
				|  |  |  |  |     return waitResponse(1000, r1, r2, r3, r4, r5); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | private: | 
		
	
		
			
				|  |  |  |  |   Stream&       stream; | 
		
	
		
			
				|  |  |  |  |   GsmClient*    sockets[2]; | 
		
	
		
			
				|  |  |  |  | }; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | typedef TinyGsm::GsmClient TinyGsmClient; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | #endif |