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			884 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			884 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**
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|  * @file       TinyGsmClientSIM800.h
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|  * @author     Volodymyr Shymanskyy
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|  * @license    LGPL-3.0
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|  * @copyright  Copyright (c) 2016 Volodymyr Shymanskyy
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|  * @date       Nov 2016
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|  */
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| 
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| #ifndef TinyGsmClientSIM800_h
 | |
| #define TinyGsmClientSIM800_h
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| 
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| //#define TINY_GSM_DEBUG Serial
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| //#define TINY_GSM_USE_HEX
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| 
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| #if !defined(TINY_GSM_RX_BUFFER)
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|   #define TINY_GSM_RX_BUFFER 64
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| #endif
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| 
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| #define TINY_GSM_MUX_COUNT 5
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| 
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| #include <TinyGsmCommon.h>
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| 
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| #define GSM_NL "\r\n"
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| static const char GSM_OK[] TINY_GSM_PROGMEM = "OK" GSM_NL;
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| static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL;
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| 
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| enum SimStatus {
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|   SIM_ERROR = 0,
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|   SIM_READY = 1,
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|   SIM_LOCKED = 2,
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| };
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| 
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| enum RegStatus {
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|   REG_UNREGISTERED = 0,
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|   REG_SEARCHING    = 2,
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|   REG_DENIED       = 3,
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|   REG_OK_HOME      = 1,
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|   REG_OK_ROAMING   = 5,
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|   REG_UNKNOWN      = 4,
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| };
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| 
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| 
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| class TinyGsm
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| {
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| 
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| public:
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| 
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| class GsmClient : public Client
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| {
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|   friend class TinyGsm;
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|   typedef TinyGsmFifo<uint8_t, TINY_GSM_RX_BUFFER> RxFifo;
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| 
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| public:
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|   GsmClient() {}
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| 
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|   GsmClient(TinyGsm& modem, uint8_t mux = 1) {
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|     init(&modem, mux);
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|   }
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| 
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|   bool init(TinyGsm* modem, uint8_t mux = 1) {
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|     this->at = modem;
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|     this->mux = mux;
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|     sock_available = 0;
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|     prev_check = 0;
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|     sock_connected = false;
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|     got_data = false;
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| 
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|     at->sockets[mux] = this;
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| 
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|     return true;
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|   }
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| 
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| public:
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|   virtual int connect(const char *host, uint16_t port) {
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|     TINY_GSM_YIELD();
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|     rx.clear();
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|     sock_connected = at->modemConnect(host, port, mux);
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|     return sock_connected;
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|   }
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| 
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|   virtual int connect(IPAddress ip, uint16_t port) {
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|     String host; host.reserve(16);
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|     host += ip[0];
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|     host += ".";
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|     host += ip[1];
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|     host += ".";
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|     host += ip[2];
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|     host += ".";
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|     host += ip[3];
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|     return connect(host.c_str(), port);
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|   }
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| 
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|   virtual void stop() {
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|     TINY_GSM_YIELD();
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|     at->sendAT(GF("+CIPCLOSE="), mux);
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|     sock_connected = false;
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|     at->waitResponse();
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|   }
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| 
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|   virtual size_t write(const uint8_t *buf, size_t size) {
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|     TINY_GSM_YIELD();
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|     at->maintain();
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|     return at->modemSend(buf, size, mux);
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|   }
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| 
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|   virtual size_t write(uint8_t c) {
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|     return write(&c, 1);
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|   }
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| 
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|   virtual int available() {
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|     TINY_GSM_YIELD();
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|     if (!rx.size() && sock_connected) {
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|       // Workaround: sometimes SIM800 forgets to notify about data arrival.
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|       // TODO: Currently we ping the module periodically,
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|       // but maybe there's a better indicator that we need to poll
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|       if (millis() - prev_check > 500) {
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|         got_data = true;
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|         prev_check = millis();
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|       }
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|       at->maintain();
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|     }
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|     return rx.size() + sock_available;
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|   }
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| 
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|   virtual int read(uint8_t *buf, size_t size) {
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|     TINY_GSM_YIELD();
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|     at->maintain();
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|     size_t cnt = 0;
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|     while (cnt < size) {
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|       size_t chunk = TinyGsmMin(size-cnt, rx.size());
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|       if (chunk > 0) {
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|         rx.get(buf, chunk);
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|         buf += chunk;
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|         cnt += chunk;
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|         continue;
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|       }
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|       // TODO: Read directly into user buffer?
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|       at->maintain();
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|       if (sock_available > 0) {
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|         at->modemRead(rx.free(), mux);
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|       } else {
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|         break;
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|       }
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|     }
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|     return cnt;
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|   }
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| 
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|   virtual int read() {
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|     uint8_t c;
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|     if (read(&c, 1) == 1) {
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|       return c;
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|     }
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|     return -1;
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|   }
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| 
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|   virtual int peek() { return -1; } //TODO
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|   virtual void flush() { at->stream.flush(); }
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| 
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|   virtual uint8_t connected() {
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|     if (available()) {
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|       return true;
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|     }
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|     return sock_connected;
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|   }
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|   virtual operator bool() { return connected(); }
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| 
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|   /*
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|    * Extended API
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|    */
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| 
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|   String remoteIP() TINY_GSM_ATTR_NOT_IMPLEMENTED;
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| 
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| private:
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|   TinyGsm*      at;
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|   uint8_t       mux;
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|   uint16_t      sock_available;
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|   uint32_t      prev_check;
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|   bool          sock_connected;
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|   bool          got_data;
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|   RxFifo        rx;
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| };
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| 
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| public:
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| 
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|   TinyGsm(Stream& stream)
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|     : stream(stream)
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|   {
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|     memset(sockets, 0, sizeof(sockets));
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|   }
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| 
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|   /*
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|    * Basic functions
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|    */
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|   bool begin() {
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|     return init();
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|   }
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| 
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|   bool init() {
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|     if (!autoBaud()) {
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|       return false;
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|     }
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|     sendAT(GF("&FZ"));  // Factory + Reset
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|     waitResponse();
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|     sendAT(GF("E0"));   // Echo Off
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|     if (waitResponse() != 1) {
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|       return false;
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|     }
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|     getSimStatus();
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|     return true;
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|   }
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| 
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|   bool autoBaud(unsigned long timeout = 10000L) {
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|     //streamWrite(GF("AAAAA" GSM_NL));  // TODO: extra A's to help detect the baud rate
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|     for (unsigned long start = millis(); millis() - start < timeout; ) {
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|       sendAT(GF(""));
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|       if (waitResponse(200) == 1) {
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|           delay(100);
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|           return true;
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|       }
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|       delay(100);
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|     }
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|     return false;
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|   }
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| 
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|   void maintain() {
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|     for (int mux = 0; mux < TINY_GSM_MUX_COUNT; mux++) {
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|       GsmClient* sock = sockets[mux];
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|       if (sock && sock->got_data) {
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|         sock->got_data = false;
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|         sock->sock_available = modemGetAvailable(mux);
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|       }
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|     }
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|     while (stream.available()) {
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|       waitResponse(10, NULL, NULL);
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|     }
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|   }
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| 
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|   bool factoryDefault() {
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|     sendAT(GF("&FZE0&W"));  // Factory + Reset + Echo Off + Write
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|     waitResponse();
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|     sendAT(GF("+IPR=0"));   // Auto-baud
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|     waitResponse();
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|     sendAT(GF("+IFC=0,0")); // No Flow Control
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|     waitResponse();
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|     sendAT(GF("+ICF=3,3")); // 8 data 0 parity 1 stop
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|     waitResponse();
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|     sendAT(GF("+CSCLK=0")); // Disable Slow Clock
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|     waitResponse();
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|     sendAT(GF("&W"));       // Write configuration
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|     return waitResponse() == 1;
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|   }
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| 
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|   String getModemInfo() {
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|     sendAT(GF("I"));
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|     String res;
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|     if (waitResponse(1000L, res) != 1) {
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|       return "";
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|     }
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|     res.replace(GSM_NL "OK" GSM_NL, "");
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|     res.replace(GSM_NL, " ");
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|     res.trim();
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|     return res;
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|   }
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| 
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|   /*
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|    * Power functions
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|    */
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| 
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|   bool restart() {
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|     if (!autoBaud()) {
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|       return false;
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|     }
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|     sendAT(GF("+CFUN=0"));
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|     if (waitResponse(10000L) != 1) {
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|       return false;
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|     }
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|     sendAT(GF("+CFUN=1,1"));
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|     if (waitResponse(10000L) != 1) {
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|       return false;
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|     }
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|     delay(3000);
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|     return init();
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|   }
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| 
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|   bool poweroff() {
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|     sendAT(GF("+CPOWD=1"));
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|     return waitResponse(GF("NORMAL POWER DOWN")) == 1;
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|   }
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| 
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|   bool radioOff() {
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|     if (!autoBaud()) {
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|       return false;
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|     }
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|     sendAT(GF("+CFUN=0"));
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|     if (waitResponse(10000L) != 1) {
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|       return false;
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|     }
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|     delay(3000);
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|     return true;
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|   }
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| 
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|   /*
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|    * SIM card functions
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|    */
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| 
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|   bool simUnlock(const char *pin) {
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|     sendAT(GF("+CPIN=\""), pin, GF("\""));
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|     return waitResponse() == 1;
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|   }
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| 
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|   String getSimCCID() {
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|     sendAT(GF("+ICCID"));
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|     if (waitResponse(GF(GSM_NL "+ICCID:")) != 1) {
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|       return "";
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|     }
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|     String res = stream.readStringUntil('\n');
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|     waitResponse();
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|     res.trim();
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|     return res;
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|   }
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| 
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|   String getIMEI() {
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|     sendAT(GF("+GSN"));
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|     if (waitResponse(GF(GSM_NL)) != 1) {
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|       return "";
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|     }
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|     String res = stream.readStringUntil('\n');
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|     waitResponse();
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|     res.trim();
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|     return res;
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|   }
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| 
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|   SimStatus getSimStatus(unsigned long timeout = 10000L) {
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|     for (unsigned long start = millis(); millis() - start < timeout; ) {
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|       sendAT(GF("+CPIN?"));
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|       if (waitResponse(GF(GSM_NL "+CPIN:")) != 1) {
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|         delay(1000);
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|         continue;
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|       }
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|       int status = waitResponse(GF("READY"), GF("SIM PIN"), GF("SIM PUK"), GF("NOT INSERTED"));
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|       waitResponse();
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|       switch (status) {
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|       case 2:
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|       case 3:  return SIM_LOCKED;
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|       case 1:  return SIM_READY;
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|       default: return SIM_ERROR;
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|       }
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|     }
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|     return SIM_ERROR;
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|   }
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| 
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|   RegStatus getRegistrationStatus() {
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|     sendAT(GF("+CREG?"));
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|     if (waitResponse(GF(GSM_NL "+CREG:")) != 1) {
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|       return REG_UNKNOWN;
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|     }
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|     streamSkipUntil(','); // Skip format (0)
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|     int status = stream.readStringUntil('\n').toInt();
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|     waitResponse();
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|     return (RegStatus)status;
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|   }
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| 
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|   String getOperator() {
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|     sendAT(GF("+COPS?"));
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|     if (waitResponse(GF(GSM_NL "+COPS:")) != 1) {
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|       return "";
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|     }
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|     streamSkipUntil('"'); // Skip mode and format
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|     String res = stream.readStringUntil('"');
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|     waitResponse();
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|     return res;
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|   }
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| 
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|   /*
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|    * Generic network functions
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|    */
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| 
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|   int getSignalQuality() {
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|     sendAT(GF("+CSQ"));
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|     if (waitResponse(GF(GSM_NL "+CSQ:")) != 1) {
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|       return 99;
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|     }
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|     int res = stream.readStringUntil(',').toInt();
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|     waitResponse();
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|     return res;
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|   }
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| 
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|   bool waitForNetwork(unsigned long timeout = 60000L) {
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|     for (unsigned long start = millis(); millis() - start < timeout; ) {
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|       RegStatus s = getRegistrationStatus();
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|       if (s == REG_OK_HOME || s == REG_OK_ROAMING) {
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|         return true;
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|       }
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|       delay(1000);
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|     }
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|     return false;
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|   }
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| 
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|   /*
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|    * GPRS functions
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|    */
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|   bool gprsConnect(const char* apn, const char* user, const char* pwd) {
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|     gprsDisconnect();
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| 
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|     sendAT(GF("+SAPBR=3,1,\"Contype\",\"GPRS\""));
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|     waitResponse();
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| 
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|     sendAT(GF("+SAPBR=3,1,\"APN\",\""), apn, '"');
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|     waitResponse();
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| 
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|     if (user) {
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|       sendAT(GF("+SAPBR=3,1,\"USER\",\""), user, '"');
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|       waitResponse();
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|     }
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|     if (pwd) {
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|       sendAT(GF("+SAPBR=3,1,\"PWD\",\""), pwd, '"');
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|       waitResponse();
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|     }
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| 
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|     sendAT(GF("+CGDCONT=1,\"IP\",\""), apn, '"');
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|     waitResponse();
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| 
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|     sendAT(GF("+CGACT=1,1"));
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|     waitResponse(60000L);
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| 
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|     // Open a GPRS context
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|     sendAT(GF("+SAPBR=1,1"));
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|     waitResponse(85000L);
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|     // Query the GPRS context
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|     sendAT(GF("+SAPBR=2,1"));
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|     if (waitResponse(30000L) != 1)
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|       return false;
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| 
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|     sendAT(GF("+CGATT=1"));
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|     if (waitResponse(60000L) != 1)
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|       return false;
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| 
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|     // TODO: wait AT+CGATT?
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| 
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|     sendAT(GF("+CIPMUX=1"));
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|     if (waitResponse() != 1) {
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|       return false;
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|     }
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| 
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|     sendAT(GF("+CIPQSEND=1"));
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|     if (waitResponse() != 1) {
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|       return false;
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|     }
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| 
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|     sendAT(GF("+CIPRXGET=1"));
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|     if (waitResponse() != 1) {
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|       return false;
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|     }
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| 
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|     sendAT(GF("+CSTT=\""), apn, GF("\",\""), user, GF("\",\""), pwd, GF("\""));
 | |
|     if (waitResponse(60000L) != 1) {
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|       return false;
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|     }
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| 
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|     sendAT(GF("+CIICR"));
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|     if (waitResponse(60000L) != 1) {
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|       return false;
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|     }
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| 
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|     sendAT(GF("+CIFSR;E0"));
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|     if (waitResponse(10000L) != 1) {
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|       return false;
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|     }
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| 
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|     sendAT(GF("+CDNSCFG=\"8.8.8.8\",\"8.8.4.4\""));
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|     if (waitResponse() != 1) {
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|       return false;
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|     }
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| 
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|     return true;
 | |
|   }
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| 
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|   bool gprsDisconnect() {
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|     sendAT(GF("+CIPSHUT"));
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|     return waitResponse(60000L) == 1;
 | |
|   }
 | |
| 
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|   String getLocalIP() {
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|     sendAT(GF("+CIFSR;E0"));
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|     String res;
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|     if (waitResponse(10000L, res) != 1) {
 | |
|       return "";
 | |
|     }
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|     res.trim();
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|     return res;
 | |
|   }
 | |
| 
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|   IPAddress localIP() {
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|     IPAddress res;
 | |
|     res.fromString(getLocalIP());
 | |
|     return res;
 | |
|   }
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| 
 | |
|   /*
 | |
|    * Phone Call functions
 | |
|    */
 | |
| 
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|   bool setGsmBusy(bool busy = true) {
 | |
|     sendAT(GF("+GSMBUSY="), busy ? 1 : 0);
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|     return waitResponse() == 1;
 | |
|   }
 | |
| 
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|   bool callAnswer() {
 | |
|     sendAT(GF("A"));
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|     return waitResponse() == 1;
 | |
|   }
 | |
| 
 | |
|   // Returns true on pick-up, false on error/busy
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|   bool callNumber(const String& number) {
 | |
|     sendAT(GF("D"), number, ";");
 | |
|     int status = waitResponse(60000L, GF("OK"), GF("BUSY"), GF("NO ANSWER"), GF("NO CARRIER"));
 | |
|     switch (status) {
 | |
|     case 1:  return true;
 | |
|     case 2:
 | |
|     case 3:  return false;
 | |
|     default: return false;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   //bool callRedial() {
 | |
|   //  sendAT(GF("DL"));
 | |
|   //  return waitResponse() == 1;
 | |
|   //}
 | |
| 
 | |
|   bool callHangup() {
 | |
|     sendAT(GF("H"));
 | |
|     return waitResponse() == 1;
 | |
|   }
 | |
| 
 | |
|   /*
 | |
|    * Messaging functions
 | |
|    */
 | |
| 
 | |
|   String sendUSSD(const String& code) {
 | |
|     sendAT(GF("+CMGF=1"));
 | |
|     waitResponse();
 | |
|     sendAT(GF("+CSCS=\"HEX\""));
 | |
|     waitResponse();
 | |
|     sendAT(GF("+CUSD=1,\""), code, GF("\""));
 | |
|     if (waitResponse() != 1) {
 | |
|       return "";
 | |
|     }
 | |
|     if (waitResponse(10000L, GF(GSM_NL "+CUSD:")) != 1) {
 | |
|       return "";
 | |
|     }
 | |
|     stream.readStringUntil('"');
 | |
|     String hex = stream.readStringUntil('"');
 | |
|     stream.readStringUntil(',');
 | |
|     int dcs = stream.readStringUntil('\n').toInt();
 | |
| 
 | |
|     if (dcs == 15) {
 | |
|       return decodeHex8bit(hex);
 | |
|     } else if (dcs == 72) {
 | |
|       return decodeHex16bit(hex);
 | |
|     } else {
 | |
|       return hex;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   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);
 | |
|     stream.flush();
 | |
|     return waitResponse(60000L) == 1;
 | |
|   }
 | |
| 
 | |
|   bool sendSMS_UTF16(const String& number, const void* text, size_t len) {
 | |
|     sendAT(GF("+CMGF=1"));
 | |
|     waitResponse();
 | |
|     sendAT(GF("+CSCS=\"HEX\""));
 | |
|     waitResponse();
 | |
|     sendAT(GF("+CSMP=17,167,0,8"));
 | |
|     waitResponse();
 | |
| 
 | |
|     sendAT(GF("+CMGS=\""), number, GF("\""));
 | |
|     if (waitResponse(GF(">")) != 1) {
 | |
|       return false;
 | |
|     }
 | |
| 
 | |
|     uint16_t* t = (uint16_t*)text;
 | |
|     for (size_t i=0; i<len; i++) {
 | |
|       uint8_t c = t[i] >> 8;
 | |
|       if (c < 0x10) { stream.print('0'); }
 | |
|       stream.print(c, HEX);
 | |
|       c = t[i] & 0xFF;
 | |
|       if (c < 0x10) { stream.print('0'); }
 | |
|       stream.print(c, HEX);
 | |
|     }
 | |
|     stream.write((char)0x1A);
 | |
|     stream.flush();
 | |
|     return waitResponse(60000L) == 1;
 | |
|   }
 | |
| 
 | |
| 
 | |
|   /*
 | |
|    * Location functions
 | |
|    */
 | |
| 
 | |
|   String getGsmLocation() {
 | |
|     sendAT(GF("+CIPGSMLOC=1,1"));
 | |
|     if (waitResponse(10000L, GF(GSM_NL "+CIPGSMLOC:")) != 1) {
 | |
|       return "";
 | |
|     }
 | |
|     String res = stream.readStringUntil('\n');
 | |
|     waitResponse();
 | |
|     res.trim();
 | |
|     return res;
 | |
|   }
 | |
| 
 | |
|   /*
 | |
|    * Battery functions
 | |
|    */
 | |
|   // Use: float vBatt = modem.getBattVoltage() / 1000.0;
 | |
|   uint16_t getBattVoltage() {
 | |
|     sendAT(GF("+CBC"));
 | |
|     if (waitResponse(GF(GSM_NL "+CBC:")) != 1) {
 | |
|       return 0;
 | |
|     }
 | |
|     streamSkipUntil(','); // Skip
 | |
|     streamSkipUntil(','); // Skip
 | |
| 
 | |
|     uint16_t res = stream.readStringUntil(',').toInt();
 | |
|     waitResponse();
 | |
|     return res;
 | |
|   }
 | |
| 
 | |
|   int getBattPercent() {
 | |
|     sendAT(GF("+CBC"));
 | |
|     if (waitResponse(GF(GSM_NL "+CBC:")) != 1) {
 | |
|       return false;
 | |
|     }
 | |
|     stream.readStringUntil(',');
 | |
|     int res = stream.readStringUntil(',').toInt();
 | |
|     waitResponse();
 | |
|     return res;
 | |
|   }
 | |
| 
 | |
| private:
 | |
| 
 | |
|   bool modemConnect(const char* host, uint16_t port, uint8_t mux) {
 | |
|     sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host, GF("\","), port);
 | |
|     int rsp = waitResponse(75000L,
 | |
|                            GF("CONNECT OK" GSM_NL),
 | |
|                            GF("CONNECT FAIL" GSM_NL),
 | |
|                            GF("ALREADY CONNECT" GSM_NL));
 | |
|     return (1 == rsp);
 | |
|   }
 | |
| 
 | |
|   int modemSend(const void* buff, size_t len, uint8_t mux) {
 | |
|     sendAT(GF("+CIPSEND="), mux, ',', len);
 | |
|     if (waitResponse(GF(">")) != 1) {
 | |
|       return -1;
 | |
|     }
 | |
|     stream.write((uint8_t*)buff, len);
 | |
|     stream.flush();
 | |
|     if (waitResponse(GF(GSM_NL "DATA ACCEPT:")) != 1) {
 | |
|       return -1;
 | |
|     }
 | |
|     streamSkipUntil(','); // Skip mux
 | |
|     return stream.readStringUntil('\n').toInt();
 | |
|   }
 | |
| 
 | |
|   size_t modemRead(size_t size, uint8_t mux) {
 | |
| #ifdef TINY_GSM_USE_HEX
 | |
|     sendAT(GF("+CIPRXGET=3,"), mux, ',', size);
 | |
|     if (waitResponse(GF("+CIPRXGET:")) != 1) {
 | |
|       return 0;
 | |
|     }
 | |
| #else
 | |
|     sendAT(GF("+CIPRXGET=2,"), mux, ',', size);
 | |
|     if (waitResponse(GF("+CIPRXGET:")) != 1) {
 | |
|       return 0;
 | |
|     }
 | |
| #endif
 | |
|     streamSkipUntil(','); // Skip mode 2/3
 | |
|     streamSkipUntil(','); // Skip mux
 | |
|     size_t len = stream.readStringUntil(',').toInt();
 | |
|     sockets[mux]->sock_available = stream.readStringUntil('\n').toInt();
 | |
| 
 | |
|     for (size_t i=0; i<len; i++) {
 | |
| #ifdef TINY_GSM_USE_HEX
 | |
|       while (stream.available() < 2) { TINY_GSM_YIELD(); }
 | |
|       char buf[4] = { 0, };
 | |
|       buf[0] = stream.read();
 | |
|       buf[1] = stream.read();
 | |
|       char c = strtol(buf, NULL, 16);
 | |
| #else
 | |
|       while (!stream.available()) { TINY_GSM_YIELD(); }
 | |
|       char c = stream.read();
 | |
| #endif
 | |
|       sockets[mux]->rx.put(c);
 | |
|     }
 | |
|     waitResponse();
 | |
|     return len;
 | |
|   }
 | |
| 
 | |
|   size_t modemGetAvailable(uint8_t mux) {
 | |
|     sendAT(GF("+CIPRXGET=4,"), mux);
 | |
|     size_t result = 0;
 | |
|     if (waitResponse(GF("+CIPRXGET:")) == 1) {
 | |
|       streamSkipUntil(','); // Skip mode 4
 | |
|       streamSkipUntil(','); // Skip mux
 | |
|       result = stream.readStringUntil('\n').toInt();
 | |
|       waitResponse();
 | |
|     }
 | |
|     if (!result) {
 | |
|       sockets[mux]->sock_connected = modemGetConnected(mux);
 | |
|     }
 | |
|     return result;
 | |
|   }
 | |
| 
 | |
|   bool modemGetConnected(uint8_t mux) {
 | |
|     sendAT(GF("+CIPSTATUS="), mux);
 | |
|     int res = waitResponse(GF(",\"CONNECTED\""), GF(",\"CLOSED\""), GF(",\"CLOSING\""), GF(",\"INITIAL\""));
 | |
|     waitResponse();
 | |
|     return 1 == res;
 | |
|   }
 | |
| 
 | |
|   static String decodeHex8bit(String &instr) {
 | |
|     String result;
 | |
|     for (unsigned i=0; i<instr.length(); i+=2) {
 | |
|       char buf[4] = { 0, };
 | |
|       buf[0] = instr[i];
 | |
|       buf[1] = instr[i+1];
 | |
|       char b = strtol(buf, NULL, 16);
 | |
|       result += b;
 | |
|     }
 | |
|     return result;
 | |
|   }
 | |
| 
 | |
|   static String decodeHex16bit(String &instr) {
 | |
|     String result;
 | |
|     for (unsigned i=0; i<instr.length(); i+=4) {
 | |
|       char buf[4] = { 0, };
 | |
|       buf[0] = instr[i];
 | |
|       buf[1] = instr[i+1];
 | |
|       char b = strtol(buf, NULL, 16);
 | |
|       if (b) { // If high byte is non-zero, we can't handle it ;(
 | |
|         b = '?';
 | |
|       } else {
 | |
|         buf[0] = instr[i+2];
 | |
|         buf[1] = instr[i+3];
 | |
|         b = strtol(buf, NULL, 16);
 | |
|       }
 | |
|       result += b;
 | |
|     }
 | |
|     return result;
 | |
|   }
 | |
| 
 | |
| public:
 | |
| 
 | |
|   /* 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...);
 | |
|   }
 | |
| 
 | |
|   bool streamSkipUntil(char c) { //TODO: timeout
 | |
|     while (true) {
 | |
|       while (!stream.available()) { TINY_GSM_YIELD(); }
 | |
|       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 = stream.read();
 | |
|         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(GSM_NL "+CIPRXGET:"))) {
 | |
|           String mode = stream.readStringUntil(',');
 | |
|           if (mode.toInt() == 1) {
 | |
|             int mux = stream.readStringUntil('\n').toInt();
 | |
|             if (mux >= 0 && mux < TINY_GSM_MUX_COUNT) {
 | |
|               sockets[mux]->got_data = true;
 | |
|             }
 | |
|             data = "";
 | |
|           } else {
 | |
|             data += mode;
 | |
|           }
 | |
|         } else if (data.endsWith(GF("CLOSED" GSM_NL))) {
 | |
|           int nl = data.lastIndexOf(GSM_NL, data.length()-8);
 | |
|           int coma = data.indexOf(',', nl+2);
 | |
|           int mux = data.substring(nl+2, coma).toInt();
 | |
|           if (mux >= 0 && mux < TINY_GSM_MUX_COUNT) {
 | |
|             sockets[mux]->sock_connected = false;
 | |
|           }
 | |
|           data = "";
 | |
|           DBG("### Closed: ", mux);
 | |
|         }
 | |
|       }
 | |
|     } 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[TINY_GSM_MUX_COUNT];
 | |
| };
 | |
| 
 | |
| typedef TinyGsm::GsmClient TinyGsmClient;
 | |
| 
 | |
| #endif
 |