Library For the Adafruit FONA 808

Files at this revision

API Documentation at this revision

Comitter:
lewisdaw3
Date:
Mon Oct 17 10:51:58 2016 +0000
Commit message:
publish library

Changed in this revision

Adafruit_FONA.cpp Show annotated file Show diff for this revision Revisions of this file
Adafruit_FONA.h Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 8b6028668696 Adafruit_FONA.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_FONA.cpp	Mon Oct 17 10:51:58 2016 +0000
@@ -0,0 +1,2082 @@
+/***************************************************
+  This is a library for our Adafruit FONA Cellular Module
+
+  Designed specifically to work with the Adafruit FONA
+  ----> http://www.adafruit.com/products/1946
+  ----> http://www.adafruit.com/products/1963
+
+  These displays use TTL Serial to communicate, 2 pins are required to
+  interface
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ****************************************************/
+    // next line per http://postwarrior.com/arduino-ethershield-error-prog_char-does-not-name-a-type/
+
+#include "Adafruit_FONA.h"
+
+
+
+
+Adafruit_FONA::Adafruit_FONA(int8_t rst)
+{
+  _rstpin = rst;
+
+  apn = F("FONAnet");
+  apnusername = 0;
+  apnpassword = 0;
+  mySerial = 0;
+  httpsredirect = false;
+  useragent = F("FONA");
+  ok_reply = F("OK");
+}
+
+uint8_t Adafruit_FONA::type(void) {
+  return _type;
+}
+
+boolean Adafruit_FONA::begin(Stream &port) {
+  mySerial = &port;
+
+  pinMode(_rstpin, OUTPUT);
+  digitalWrite(_rstpin, HIGH);
+  delay(10);
+  digitalWrite(_rstpin, LOW);
+  delay(100);
+  digitalWrite(_rstpin, HIGH);
+
+  DEBUG_PRINTLN(F("Attempting to open comm with ATs"));
+  // give 7 seconds to reboot
+  int16_t timeout = 7000;
+
+  while (timeout > 0) {
+    while (mySerial->available()) mySerial->read();
+    if (sendCheckReply(F("AT"), ok_reply))
+      break;
+    while (mySerial->available()) mySerial->read();
+    if (sendCheckReply(F("AT"), F("AT"))) 
+      break;
+    delay(500);
+    timeout-=500;
+  }
+
+  if (timeout <= 0) {
+#ifdef ADAFRUIT_FONA_DEBUG
+    DEBUG_PRINTLN(F("Timeout: No response to AT... last ditch attempt."));
+#endif
+    sendCheckReply(F("AT"), ok_reply);
+    delay(100);
+    sendCheckReply(F("AT"), ok_reply);
+    delay(100);
+    sendCheckReply(F("AT"), ok_reply);
+    delay(100);
+  }
+
+  // turn off Echo!
+  sendCheckReply(F("ATE0"), ok_reply);
+  delay(100);
+
+  if (! sendCheckReply(F("ATE0"), ok_reply)) {
+    return false;
+  }
+
+  // turn on hangupitude
+  sendCheckReply(F("AT+CVHU=0"), ok_reply);
+
+  delay(100);
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINTLN("ATI");
+
+  mySerial->println("ATI");
+  readline(500, true);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+
+
+  if (prog_char_strstr(replybuffer, (prog_char *)F("SIM808 R14")) != 0) {
+    _type = FONA808_V2;
+  } else if (prog_char_strstr(replybuffer, (prog_char *)F("SIM808 R13")) != 0) {
+    _type = FONA808_V1;
+  } else if (prog_char_strstr(replybuffer, (prog_char *)F("SIM800 R13")) != 0) {
+    _type = FONA800L;
+  } else if (prog_char_strstr(replybuffer, (prog_char *)F("SIMCOM_SIM5320A")) != 0) {
+    _type = FONA3G_A;
+  } else if (prog_char_strstr(replybuffer, (prog_char *)F("SIMCOM_SIM5320E")) != 0) {
+    _type = FONA3G_E;
+  }
+
+  if (_type == FONA800L) {
+    // determine if L or H
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINTLN("AT+GMM");
+
+    mySerial->println("AT+GMM");
+    readline(500, true);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+
+    if (prog_char_strstr(replybuffer, (prog_char *)F("SIM800H")) != 0) {
+      _type = FONA800H;
+    }
+  }
+
+#if defined(FONA_PREF_SMS_STORAGE)
+  sendCheckReply(F("AT+CPMS=\"" FONA_PREF_SMS_STORAGE "\""), ok_reply);
+#endif
+
+  return true;
+}
+
+
+/********* Serial port ********************************************/
+boolean Adafruit_FONA::setBaudrate(uint16_t baud) {
+  return sendCheckReply(F("AT+IPREX="), baud, ok_reply);
+}
+
+/********* Real Time Clock ********************************************/
+
+boolean Adafruit_FONA::readRTC(uint8_t *year, uint8_t *month, uint8_t *date, uint8_t *hr, uint8_t *min, uint8_t *sec) {
+  uint16_t v;
+  sendParseReply(F("AT+CCLK?"), F("+CCLK: "), &v, '/', 0);
+  *year = v;
+
+  DEBUG_PRINTLN(*year);
+}
+
+boolean Adafruit_FONA::enableRTC(uint8_t i) {
+  if (! sendCheckReply(F("AT+CLTS="), i, ok_reply))
+    return false;
+  return sendCheckReply(F("AT&W"), ok_reply);
+}
+
+
+/********* BATTERY & ADC ********************************************/
+
+/* returns value in mV (uint16_t) */
+boolean Adafruit_FONA::getBattVoltage(uint16_t *v) {
+  return sendParseReply(F("AT+CBC"), F("+CBC: "), v, ',', 2);
+}
+
+/* returns value in mV (uint16_t) */
+boolean Adafruit_FONA_3G::getBattVoltage(uint16_t *v) {
+  float f;
+  boolean b = sendParseReply(F("AT+CBC"), F("+CBC: "), &f, ',', 2);
+  *v = f*1000;
+  return b;
+}
+
+
+/* returns the percentage charge of battery as reported by sim800 */
+boolean Adafruit_FONA::getBattPercent(uint16_t *p) {
+  return sendParseReply(F("AT+CBC"), F("+CBC: "), p, ',', 1);
+}
+
+boolean Adafruit_FONA::getADCVoltage(uint16_t *v) {
+  return sendParseReply(F("AT+CADC?"), F("+CADC: 1,"), v);
+}
+
+/********* SIM ***********************************************************/
+
+uint8_t Adafruit_FONA::unlockSIM(char *pin)
+{
+  char sendbuff[14] = "AT+CPIN=";
+  sendbuff[8] = pin[0];
+  sendbuff[9] = pin[1];
+  sendbuff[10] = pin[2];
+  sendbuff[11] = pin[3];
+  sendbuff[12] = '\0';
+
+  return sendCheckReply(sendbuff, ok_reply);
+}
+
+uint8_t Adafruit_FONA::getSIMCCID(char *ccid) {
+  getReply(F("AT+CCID"));
+  // up to 28 chars for reply, 20 char total ccid
+  if (replybuffer[0] == '+') {
+    // fona 3g?
+    strncpy(ccid, replybuffer+8, 20);
+  } else {
+    // fona 800 or 800
+    strncpy(ccid, replybuffer, 20);
+  }
+  ccid[20] = 0;
+
+  readline(); // eat 'OK'
+
+  return strlen(ccid);
+}
+
+/********* IMEI **********************************************************/
+
+uint8_t Adafruit_FONA::getIMEI(char *imei) {
+  getReply(F("AT+GSN"));
+
+  // up to 15 chars
+  strncpy(imei, replybuffer, 15);
+  imei[15] = 0;
+
+  readline(); // eat 'OK'
+
+  return strlen(imei);
+}
+
+/********* NETWORK *******************************************************/
+
+uint8_t Adafruit_FONA::getNetworkStatus(void) {
+  uint16_t status;
+
+  if (! sendParseReply(F("AT+CREG?"), F("+CREG: "), &status, ',', 1)) return 0;
+
+  return status;
+}
+
+
+uint8_t Adafruit_FONA::getRSSI(void) {
+  uint16_t reply;
+
+  if (! sendParseReply(F("AT+CSQ"), F("+CSQ: "), &reply) ) return 0;
+
+  return reply;
+}
+
+/********* AUDIO *******************************************************/
+
+boolean Adafruit_FONA::setAudio(uint8_t a) {
+  // 0 is headset, 1 is external audio
+  if (a > 1) return false;
+
+  return sendCheckReply(F("AT+CHFA="), a, ok_reply);
+}
+
+uint8_t Adafruit_FONA::getVolume(void) {
+  uint16_t reply;
+
+  if (! sendParseReply(F("AT+CLVL?"), F("+CLVL: "), &reply) ) return 0;
+
+  return reply;
+}
+
+boolean Adafruit_FONA::setVolume(uint8_t i) {
+  return sendCheckReply(F("AT+CLVL="), i, ok_reply);
+}
+
+
+boolean Adafruit_FONA::playDTMF(char dtmf) {
+  char str[4];
+  str[0] = '\"';
+  str[1] = dtmf;
+  str[2] = '\"';
+  str[3] = 0;
+  return sendCheckReply(F("AT+CLDTMF=3,"), str, ok_reply);
+}
+
+boolean Adafruit_FONA::playToolkitTone(uint8_t t, uint16_t len) {
+  return sendCheckReply(F("AT+STTONE=1,"), t, len, ok_reply);
+}
+
+boolean Adafruit_FONA_3G::playToolkitTone(uint8_t t, uint16_t len) {
+  if (! sendCheckReply(F("AT+CPTONE="), t, ok_reply))
+    return false;
+  delay(len);
+  return sendCheckReply(F("AT+CPTONE=0"), ok_reply);
+}
+
+boolean Adafruit_FONA::setMicVolume(uint8_t a, uint8_t level) {
+  // 0 is headset, 1 is external audio
+  if (a > 1) return false;
+
+  return sendCheckReply(F("AT+CMIC="), a, level, ok_reply);
+}
+
+/********* FM RADIO *******************************************************/
+
+
+boolean Adafruit_FONA::FMradio(boolean onoff, uint8_t a) {
+  if (! onoff) {
+    return sendCheckReply(F("AT+FMCLOSE"), ok_reply);
+  }
+
+  // 0 is headset, 1 is external audio
+  if (a > 1) return false;
+
+  return sendCheckReply(F("AT+FMOPEN="), a, ok_reply);
+}
+
+boolean Adafruit_FONA::tuneFMradio(uint16_t station) {
+  // Fail if FM station is outside allowed range.
+  if ((station < 870) || (station > 1090))
+    return false;
+
+  return sendCheckReply(F("AT+FMFREQ="), station, ok_reply);
+}
+
+boolean Adafruit_FONA::setFMVolume(uint8_t i) {
+  // Fail if volume is outside allowed range (0-6).
+  if (i > 6) {
+    return false;
+  }
+  // Send FM volume command and verify response.
+  return sendCheckReply(F("AT+FMVOLUME="), i, ok_reply);
+}
+
+int8_t Adafruit_FONA::getFMVolume() {
+  uint16_t level;
+
+  if (! sendParseReply(F("AT+FMVOLUME?"), F("+FMVOLUME: "), &level) ) return 0;
+
+  return level;
+}
+
+int8_t Adafruit_FONA::getFMSignalLevel(uint16_t station) {
+  // Fail if FM station is outside allowed range.
+  if ((station < 875) || (station > 1080)) {
+    return -1;
+  }
+
+  // Send FM signal level query command.
+  // Note, need to explicitly send timeout so right overload is chosen.
+  getReply(F("AT+FMSIGNAL="), station, FONA_DEFAULT_TIMEOUT_MS);
+  // Check response starts with expected value.
+  char *p = prog_char_strstr(replybuffer, PSTR("+FMSIGNAL: "));
+  if (p == 0) return -1;
+  p+=11;
+  // Find second colon to get start of signal quality.
+  p = strchr(p, ':');
+  if (p == 0) return -1;
+  p+=1;
+  // Parse signal quality.
+  int8_t level = atoi(p);
+  readline();  // eat the "OK"
+  return level;
+}
+
+/********* PWM/BUZZER **************************************************/
+
+boolean Adafruit_FONA::setPWM(uint16_t period, uint8_t duty) {
+  if (period > 2000) return false;
+  if (duty > 100) return false;
+
+  return sendCheckReply(F("AT+SPWM=0,"), period, duty, ok_reply);
+}
+
+/********* CALL PHONES **************************************************/
+boolean Adafruit_FONA::callPhone(char *number) {
+  char sendbuff[35] = "ATD";
+  strncpy(sendbuff+3, number, min(30, strlen(number)));
+  uint8_t x = strlen(sendbuff);
+  sendbuff[x] = ';';
+  sendbuff[x+1] = 0;
+  //DEBUG_PRINTLN(sendbuff);
+
+  return sendCheckReply(sendbuff, ok_reply);
+}
+
+
+uint8_t Adafruit_FONA::getCallStatus(void) {
+  uint16_t phoneStatus;
+
+  if (! sendParseReply(F("AT+CPAS"), F("+CPAS: "), &phoneStatus)) 
+    return FONA_CALL_FAILED; // 1, since 0 is actually a known, good reply
+
+  return phoneStatus;  // 0 ready, 2 unkown, 3 ringing, 4 call in progress
+}
+
+boolean Adafruit_FONA::hangUp(void) {
+  return sendCheckReply(F("ATH0"), ok_reply);
+}
+
+boolean Adafruit_FONA_3G::hangUp(void) {
+  getReply(F("ATH"));
+
+  return (prog_char_strstr(replybuffer, (prog_char *)F("VOICE CALL: END")) != 0);
+}
+
+boolean Adafruit_FONA::pickUp(void) {
+  return sendCheckReply(F("ATA"), ok_reply);
+}
+
+boolean Adafruit_FONA_3G::pickUp(void) {
+  return sendCheckReply(F("ATA"), F("VOICE CALL: BEGIN"));
+}
+
+
+void Adafruit_FONA::onIncomingCall() {
+
+  DEBUG_PRINT(F("> ")); DEBUG_PRINTLN(F("Incoming call..."));
+
+  Adafruit_FONA::_incomingCall = true;
+}
+
+boolean Adafruit_FONA::_incomingCall = false;
+
+boolean Adafruit_FONA::callerIdNotification(boolean enable, uint8_t interrupt) {
+  if(enable){
+    attachInterrupt(interrupt, onIncomingCall, FALLING);
+    return sendCheckReply(F("AT+CLIP=1"), ok_reply);
+  }
+
+  detachInterrupt(interrupt);
+  return sendCheckReply(F("AT+CLIP=0"), ok_reply);
+}
+
+boolean Adafruit_FONA::incomingCallNumber(char* phonenum) {
+  //+CLIP: "<incoming phone number>",145,"",0,"",0
+  if(!Adafruit_FONA::_incomingCall)
+    return false;
+
+  readline();
+  while(!prog_char_strcmp(replybuffer, (prog_char*)F("RING")) == 0) {
+    flushInput();
+    readline();
+  }
+
+  readline(); //reads incoming phone number line
+
+  parseReply(F("+CLIP: \""), phonenum, '"');
+
+
+  DEBUG_PRINT(F("Phone Number: "));
+  DEBUG_PRINTLN(replybuffer);
+
+
+  Adafruit_FONA::_incomingCall = false;
+  return true;
+}
+
+/********* SMS **********************************************************/
+
+uint8_t Adafruit_FONA::getSMSInterrupt(void) {
+  uint16_t reply;
+
+  if (! sendParseReply(F("AT+CFGRI?"), F("+CFGRI: "), &reply) ) return 0;
+
+  return reply;
+}
+
+boolean Adafruit_FONA::setSMSInterrupt(uint8_t i) {
+  return sendCheckReply(F("AT+CFGRI="), i, ok_reply);
+}
+
+int8_t Adafruit_FONA::getNumSMS(void) {
+  uint16_t numsms;
+
+  // get into text mode
+  if (! sendCheckReply(F("AT+CMGF=1"), ok_reply)) return -1;
+
+  // ask how many sms are stored
+  if (sendParseReply(F("AT+CPMS?"), F("\"SM\","), &numsms)) 
+    return numsms;
+  if (sendParseReply(F("AT+CPMS?"), F("\"SM_P\","), &numsms)) 
+    return numsms;
+  return -1;
+}
+
+// Reading SMS's is a bit involved so we don't use helpers that may cause delays or debug
+// printouts!
+boolean Adafruit_FONA::readSMS(uint8_t i, char *smsbuff,
+			       uint16_t maxlen, uint16_t *readlen) {
+  // text mode
+  if (! sendCheckReply(F("AT+CMGF=1"), ok_reply)) return false;
+
+  // show all text mode parameters
+  if (! sendCheckReply(F("AT+CSDH=1"), ok_reply)) return false;
+
+  // parse out the SMS len
+  uint16_t thesmslen = 0;
+
+
+  DEBUG_PRINT(F("AT+CMGR="));
+  DEBUG_PRINTLN(i);
+
+
+  //getReply(F("AT+CMGR="), i, 1000);  //  do not print debug!
+  mySerial->print(F("AT+CMGR="));
+  mySerial->println(i);
+  readline(1000); // timeout
+
+  //DEBUG_PRINT(F("Reply: ")); DEBUG_PRINTLN(replybuffer);
+  // parse it out...
+
+
+  DEBUG_PRINTLN(replybuffer);
+
+  
+  if (! parseReply(F("+CMGR:"), &thesmslen, ',', 11)) {
+    *readlen = 0;
+    return false;
+  }
+
+  readRaw(thesmslen);
+
+  flushInput();
+
+  uint16_t thelen = min(maxlen, strlen(replybuffer));
+  strncpy(smsbuff, replybuffer, thelen);
+  smsbuff[thelen] = 0; // end the string
+
+
+  DEBUG_PRINTLN(replybuffer);
+
+  *readlen = thelen;
+  return true;
+}
+
+// Retrieve the sender of the specified SMS message and copy it as a string to
+// the sender buffer.  Up to senderlen characters of the sender will be copied
+// and a null terminator will be added if less than senderlen charactesr are
+// copied to the result.  Returns true if a result was successfully retrieved,
+// otherwise false.
+boolean Adafruit_FONA::getSMSSender(uint8_t i, char *sender, int senderlen) {
+  // Ensure text mode and all text mode parameters are sent.
+  if (! sendCheckReply(F("AT+CMGF=1"), ok_reply)) return false;
+  if (! sendCheckReply(F("AT+CSDH=1"), ok_reply)) return false;
+
+
+  DEBUG_PRINT(F("AT+CMGR="));
+  DEBUG_PRINTLN(i);
+
+
+  // Send command to retrieve SMS message and parse a line of response.
+  mySerial->print(F("AT+CMGR="));
+  mySerial->println(i);
+  readline(1000);
+
+
+  DEBUG_PRINTLN(replybuffer);
+
+
+  // Parse the second field in the response.
+  boolean result = parseReplyQuoted(F("+CMGR:"), sender, senderlen, ',', 1);
+  // Drop any remaining data from the response.
+  flushInput();
+  return result;
+}
+
+boolean Adafruit_FONA::sendSMS(char *smsaddr, char *smsmsg) {
+  if (! sendCheckReply(F("AT+CMGF=1"), ok_reply)) return false;
+
+  char sendcmd[30] = "AT+CMGS=\"";
+  strncpy(sendcmd+9, smsaddr, 30-9-2);  // 9 bytes beginning, 2 bytes for close quote + null
+  sendcmd[strlen(sendcmd)] = '\"';
+
+  if (! sendCheckReply(sendcmd, F("> "))) return false;
+
+  DEBUG_PRINT(F("> ")); DEBUG_PRINTLN(smsmsg);
+
+  mySerial->println(smsmsg);
+  mySerial->println();
+  mySerial->write(0x1A);
+
+  DEBUG_PRINTLN("^Z");
+
+  if ( (_type == FONA3G_A) || (_type == FONA3G_E) ) {
+    // Eat two sets of CRLF
+    readline(200);
+    //DEBUG_PRINT("Line 1: "); DEBUG_PRINTLN(strlen(replybuffer));
+    readline(200);
+    //DEBUG_PRINT("Line 2: "); DEBUG_PRINTLN(strlen(replybuffer));
+  }
+  readline(10000); // read the +CMGS reply, wait up to 10 seconds!!!
+  //DEBUG_PRINT("Line 3: "); DEBUG_PRINTLN(strlen(replybuffer));
+  if (strstr(replybuffer, "+CMGS") == 0) {
+    return false;
+  }
+  readline(1000); // read OK
+  //DEBUG_PRINT("* "); DEBUG_PRINTLN(replybuffer);
+
+  if (strcmp(replybuffer, "OK") != 0) {
+    return false;
+  }
+
+  return true;
+}
+
+
+boolean Adafruit_FONA::deleteSMS(uint8_t i) {
+    if (! sendCheckReply(F("AT+CMGF=1"), ok_reply)) return false;
+  // read an sms
+  char sendbuff[12] = "AT+CMGD=000";
+  sendbuff[8] = (i / 100) + '0';
+  i %= 100;
+  sendbuff[9] = (i / 10) + '0';
+  i %= 10;
+  sendbuff[10] = i + '0';
+
+  return sendCheckReply(sendbuff, ok_reply, 2000);
+}
+
+/********* USSD *********************************************************/
+
+boolean Adafruit_FONA::sendUSSD(char *ussdmsg, char *ussdbuff, uint16_t maxlen, uint16_t *readlen) {
+  if (! sendCheckReply(F("AT+CUSD=1"), ok_reply)) return false;
+
+  char sendcmd[30] = "AT+CUSD=1,\"";
+  strncpy(sendcmd+11, ussdmsg, 30-11-2);  // 11 bytes beginning, 2 bytes for close quote + null
+  sendcmd[strlen(sendcmd)] = '\"';
+
+  if (! sendCheckReply(sendcmd, ok_reply)) {
+    *readlen = 0;
+    return false;
+  } else {
+      readline(10000); // read the +CUSD reply, wait up to 10 seconds!!!
+      //DEBUG_PRINT("* "); DEBUG_PRINTLN(replybuffer);
+      char *p = prog_char_strstr(replybuffer, PSTR("+CUSD: "));
+      if (p == 0) {
+        *readlen = 0;
+        return false;
+      }
+      p+=7; //+CUSD
+      // Find " to get start of ussd message.
+      p = strchr(p, '\"');
+      if (p == 0) {
+        *readlen = 0;
+        return false;
+      }
+      p+=1; //"
+      // Find " to get end of ussd message.
+      char *strend = strchr(p, '\"');
+
+      uint16_t lentocopy = min(maxlen-1, strend - p);
+      strncpy(ussdbuff, p, lentocopy+1);
+      ussdbuff[lentocopy] = 0;
+      *readlen = lentocopy;
+  }
+  return true;
+}
+
+
+/********* TIME **********************************************************/
+
+boolean Adafruit_FONA::enableNetworkTimeSync(boolean onoff) {
+  if (onoff) {
+    if (! sendCheckReply(F("AT+CLTS=1"), ok_reply))
+      return false;
+  } else {
+    if (! sendCheckReply(F("AT+CLTS=0"), ok_reply))
+      return false;
+  }
+
+  flushInput(); // eat any 'Unsolicted Result Code'
+
+  return true;
+}
+
+boolean Adafruit_FONA::enableNTPTimeSync(boolean onoff, FONAFlashStringPtr ntpserver) {
+  if (onoff) {
+    if (! sendCheckReply(F("AT+CNTPCID=1"), ok_reply))
+      return false;
+
+    mySerial->print(F("AT+CNTP=\""));
+    if (ntpserver != 0) {
+      mySerial->print(ntpserver);
+    } else {
+      mySerial->print(F("pool.ntp.org"));
+    }
+    mySerial->println(F("\",0"));
+    readline(FONA_DEFAULT_TIMEOUT_MS);
+    if (strcmp(replybuffer, "OK") != 0)
+      return false;
+
+    if (! sendCheckReply(F("AT+CNTP"), ok_reply, 10000))
+      return false;
+
+    uint16_t status;
+    readline(10000);
+    if (! parseReply(F("+CNTP:"), &status))
+      return false;
+  } else {
+    if (! sendCheckReply(F("AT+CNTPCID=0"), ok_reply))
+      return false;
+  }
+
+  return true;
+}
+
+boolean Adafruit_FONA::getTime(char *buff, uint16_t maxlen) {
+  getReply(F("AT+CCLK?"), (uint16_t) 10000);
+  if (strncmp(replybuffer, "+CCLK: ", 7) != 0)
+    return false;
+
+  char *p = replybuffer+7;
+  uint16_t lentocopy = min(maxlen-1, strlen(p));
+  strncpy(buff, p, lentocopy+1);
+  buff[lentocopy] = 0;
+
+  readline(); // eat OK
+
+  return true;
+}
+
+/********* GPS **********************************************************/
+
+
+boolean Adafruit_FONA::enableGPS(boolean onoff) {
+  uint16_t state;
+
+  // first check if its already on or off
+
+  if (_type == FONA808_V2) {
+    if (! sendParseReply(F("AT+CGNSPWR?"), F("+CGNSPWR: "), &state) )
+      return false;
+  } else {
+    if (! sendParseReply(F("AT+CGPSPWR?"), F("+CGPSPWR: "), &state))
+      return false;
+  }
+
+  if (onoff && !state) {
+    if (_type == FONA808_V2) {
+      if (! sendCheckReply(F("AT+CGNSPWR=1"), ok_reply))  // try GNS command
+	return false;
+    } else {
+      if (! sendCheckReply(F("AT+CGPSPWR=1"), ok_reply))
+	return false;
+    }
+  } else if (!onoff && state) {
+    if (_type == FONA808_V2) {
+      if (! sendCheckReply(F("AT+CGNSPWR=0"), ok_reply)) // try GNS command
+	return false;
+    } else {
+      if (! sendCheckReply(F("AT+CGPSPWR=0"), ok_reply))
+	return false;
+    }
+  }
+  return true;
+}
+
+
+
+boolean Adafruit_FONA_3G::enableGPS(boolean onoff) {
+  uint16_t state;
+
+  // first check if its already on or off
+  if (! Adafruit_FONA::sendParseReply(F("AT+CGPS?"), F("+CGPS: "), &state) )
+    return false;
+
+  if (onoff && !state) {
+    if (! sendCheckReply(F("AT+CGPS=1"), ok_reply))
+      return false;
+  } else if (!onoff && state) {
+    if (! sendCheckReply(F("AT+CGPS=0"), ok_reply))
+      return false;
+    // this takes a little time
+    readline(2000); // eat '+CGPS: 0'
+  }
+  return true;
+}
+
+int8_t Adafruit_FONA::GPSstatus(void) {
+  if (_type == FONA808_V2) {
+    // 808 V2 uses GNS commands and doesn't have an explicit 2D/3D fix status.
+    // Instead just look for a fix and if found assume it's a 3D fix.
+    getReply(F("AT+CGNSINF"));
+    char *p = prog_char_strstr(replybuffer, (prog_char*)F("+CGNSINF: "));
+    if (p == 0) return -1;
+    p+=10;
+    readline(); // eat 'OK'
+    if (p[0] == '0') return 0; // GPS is not even on!
+
+    p+=2; // Skip to second value, fix status.
+    //DEBUG_PRINTLN(p);
+    // Assume if the fix status is '1' then we have a 3D fix, otherwise no fix.
+    if (p[0] == '1') return 3;
+    else return 1;
+  }
+  if (_type == FONA3G_A || _type == FONA3G_E) {
+    // FONA 3G doesn't have an explicit 2D/3D fix status.
+    // Instead just look for a fix and if found assume it's a 3D fix.
+    getReply(F("AT+CGPSINFO"));
+    char *p = prog_char_strstr(replybuffer, (prog_char*)F("+CGPSINFO:"));
+    if (p == 0) return -1;
+    if (p[10] != ',') return 3; // if you get anything, its 3D fix
+    return 0;
+  }
+  else {
+    // 808 V1 looks for specific 2D or 3D fix state.
+    getReply(F("AT+CGPSSTATUS?"));
+    char *p = prog_char_strstr(replybuffer, (prog_char*)F("SSTATUS: Location "));
+    if (p == 0) return -1;
+    p+=18;
+    readline(); // eat 'OK'
+    //DEBUG_PRINTLN(p);
+    if (p[0] == 'U') return 0;
+    if (p[0] == 'N') return 1;
+    if (p[0] == '2') return 2;
+    if (p[0] == '3') return 3;
+  }
+  // else
+  return 0;
+}
+
+uint8_t Adafruit_FONA::getGPS(uint8_t arg, char *buffer, uint8_t maxbuff) {
+  int32_t x = arg;
+
+  if ( (_type == FONA3G_A) || (_type == FONA3G_E) ) {
+    getReply(F("AT+CGPSINFO"));
+  } else if (_type == FONA808_V1) {
+    getReply(F("AT+CGPSINF="), x);
+  } else {
+    getReply(F("AT+CGNSINF"));
+  }
+
+  char *p = prog_char_strstr(replybuffer, (prog_char*)F("SINF"));
+  if (p == 0) {
+    buffer[0] = 0;
+    return 0;
+  }
+
+  p+=6;
+
+  uint8_t len = max(maxbuff-1, strlen(p));
+  strncpy(buffer, p, len);
+  buffer[len] = 0;
+
+  readline(); // eat 'OK'
+  return len;
+}
+
+boolean Adafruit_FONA::getGPS(float *lat, float *lon, float *speed_kph, float *heading, float *altitude) {
+
+  char gpsbuffer[120];
+
+  // we need at least a 2D fix
+  if (GPSstatus() < 2)
+    return false;
+
+  // grab the mode 2^5 gps csv from the sim808
+  uint8_t res_len = getGPS(32, gpsbuffer, 120);
+
+  // make sure we have a response
+  if (res_len == 0)
+    return false;
+
+  if (_type == FONA3G_A || _type == FONA3G_E) {
+    // Parse 3G respose
+    // +CGPSINFO:4043.000000,N,07400.000000,W,151015,203802.1,-12.0,0.0,0
+    // skip beginning
+    char *tok;
+
+   // grab the latitude
+    char *latp = strtok(gpsbuffer, ",");
+    if (! latp) return false;
+
+    // grab latitude direction
+    char *latdir = strtok(NULL, ",");
+    if (! latdir) return false;
+
+    // grab longitude
+    char *longp = strtok(NULL, ",");
+    if (! longp) return false;
+
+    // grab longitude direction
+    char *longdir = strtok(NULL, ",");
+    if (! longdir) return false;
+
+    // skip date & time
+    tok = strtok(NULL, ",");
+    tok = strtok(NULL, ",");
+
+   // only grab altitude if needed
+    if (altitude != NULL) {
+      // grab altitude
+      char *altp = strtok(NULL, ",");
+      if (! altp) return false;
+      *altitude = atof(altp);
+    }
+
+    // only grab speed if needed
+    if (speed_kph != NULL) {
+      // grab the speed in km/h
+      char *speedp = strtok(NULL, ",");
+      if (! speedp) return false;
+
+      *speed_kph = atof(speedp);
+    }
+
+    // only grab heading if needed
+    if (heading != NULL) {
+
+      // grab the speed in knots
+      char *coursep = strtok(NULL, ",");
+      if (! coursep) return false;
+
+      *heading = atof(coursep);
+    }
+
+    double latitude = atof(latp);
+    double longitude = atof(longp);
+
+    // convert latitude from minutes to decimal
+    float degrees = floor(latitude / 100);
+    double minutes = latitude - (100 * degrees);
+    minutes /= 60;
+    degrees += minutes;
+
+    // turn direction into + or -
+    if (latdir[0] == 'S') degrees *= -1;
+
+    *lat = degrees;
+
+    // convert longitude from minutes to decimal
+    degrees = floor(longitude / 100);
+    minutes = longitude - (100 * degrees);
+    minutes /= 60;
+    degrees += minutes;
+
+    // turn direction into + or -
+    if (longdir[0] == 'W') degrees *= -1;
+
+    *lon = degrees;
+
+  } else if (_type == FONA808_V2) {
+    // Parse 808 V2 response.  See table 2-3 from here for format:
+    // http://www.adafruit.com/datasheets/SIM800%20Series_GNSS_Application%20Note%20V1.00.pdf
+
+    // skip GPS run status
+    char *tok = strtok(gpsbuffer, ",");
+    if (! tok) return false;
+
+    // skip fix status
+    tok = strtok(NULL, ",");
+    if (! tok) return false;
+
+    // skip date
+    tok = strtok(NULL, ",");
+    if (! tok) return false;
+
+    // grab the latitude
+    char *latp = strtok(NULL, ",");
+    if (! latp) return false;
+
+    // grab longitude
+    char *longp = strtok(NULL, ",");
+    if (! longp) return false;
+
+    *lat = atof(latp);
+    *lon = atof(longp);
+
+    // only grab altitude if needed
+    if (altitude != NULL) {
+      // grab altitude
+      char *altp = strtok(NULL, ",");
+      if (! altp) return false;
+
+      *altitude = atof(altp);
+    }
+
+    // only grab speed if needed
+    if (speed_kph != NULL) {
+      // grab the speed in km/h
+      char *speedp = strtok(NULL, ",");
+      if (! speedp) return false;
+
+      *speed_kph = atof(speedp);
+    }
+
+    // only grab heading if needed
+    if (heading != NULL) {
+
+      // grab the speed in knots
+      char *coursep = strtok(NULL, ",");
+      if (! coursep) return false;
+
+      *heading = atof(coursep);
+    }
+  }
+  else {
+    // Parse 808 V1 response.
+
+    // skip mode
+    char *tok = strtok(gpsbuffer, ",");
+    if (! tok) return false;
+
+    // skip date
+    tok = strtok(NULL, ",");
+    if (! tok) return false;
+
+    // skip fix
+    tok = strtok(NULL, ",");
+    if (! tok) return false;
+
+    // grab the latitude
+    char *latp = strtok(NULL, ",");
+    if (! latp) return false;
+
+    // grab latitude direction
+    char *latdir = strtok(NULL, ",");
+    if (! latdir) return false;
+
+    // grab longitude
+    char *longp = strtok(NULL, ",");
+    if (! longp) return false;
+
+    // grab longitude direction
+    char *longdir = strtok(NULL, ",");
+    if (! longdir) return false;
+
+    double latitude = atof(latp);
+    double longitude = atof(longp);
+
+    // convert latitude from minutes to decimal
+    float degrees = floor(latitude / 100);
+    double minutes = latitude - (100 * degrees);
+    minutes /= 60;
+    degrees += minutes;
+
+    // turn direction into + or -
+    if (latdir[0] == 'S') degrees *= -1;
+
+    *lat = degrees;
+
+    // convert longitude from minutes to decimal
+    degrees = floor(longitude / 100);
+    minutes = longitude - (100 * degrees);
+    minutes /= 60;
+    degrees += minutes;
+
+    // turn direction into + or -
+    if (longdir[0] == 'W') degrees *= -1;
+
+    *lon = degrees;
+
+    // only grab speed if needed
+    if (speed_kph != NULL) {
+
+      // grab the speed in knots
+      char *speedp = strtok(NULL, ",");
+      if (! speedp) return false;
+
+      // convert to kph
+      *speed_kph = atof(speedp) * 1.852;
+
+    }
+
+    // only grab heading if needed
+    if (heading != NULL) {
+
+      // grab the speed in knots
+      char *coursep = strtok(NULL, ",");
+      if (! coursep) return false;
+
+      *heading = atof(coursep);
+
+    }
+
+    // no need to continue
+    if (altitude == NULL)
+      return true;
+
+    // we need at least a 3D fix for altitude
+    if (GPSstatus() < 3)
+      return false;
+
+    // grab the mode 0 gps csv from the sim808
+    res_len = getGPS(0, gpsbuffer, 120);
+
+    // make sure we have a response
+    if (res_len == 0)
+      return false;
+
+    // skip mode
+    tok = strtok(gpsbuffer, ",");
+    if (! tok) return false;
+
+    // skip lat
+    tok = strtok(NULL, ",");
+    if (! tok) return false;
+
+    // skip long
+    tok = strtok(NULL, ",");
+    if (! tok) return false;
+
+    // grab altitude
+    char *altp = strtok(NULL, ",");
+    if (! altp) return false;
+
+    *altitude = atof(altp);
+  }
+
+  return true;
+
+}
+
+boolean Adafruit_FONA::enableGPSNMEA(uint8_t i) {
+
+  char sendbuff[15] = "AT+CGPSOUT=000";
+  sendbuff[11] = (i / 100) + '0';
+  i %= 100;
+  sendbuff[12] = (i / 10) + '0';
+  i %= 10;
+  sendbuff[13] = i + '0';
+
+  if (_type == FONA808_V2) {
+    if (i)
+      return sendCheckReply(F("AT+CGNSTST=1"), ok_reply);
+    else
+      return sendCheckReply(F("AT+CGNSTST=0"), ok_reply);
+  } else {
+    return sendCheckReply(sendbuff, ok_reply, 2000);
+  }
+}
+
+
+/********* GPRS **********************************************************/
+
+
+boolean Adafruit_FONA::enableGPRS(boolean onoff) {
+
+  if (onoff) {
+    // disconnect all sockets
+    sendCheckReply(F("AT+CIPSHUT"), F("SHUT OK"), 20000);
+
+    if (! sendCheckReply(F("AT+CGATT=1"), ok_reply, 10000))
+      return false;
+
+    // set bearer profile! connection type GPRS
+    if (! sendCheckReply(F("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\""),
+			   ok_reply, 10000))
+      return false;
+
+    // set bearer profile access point name
+    if (apn) {
+      // Send command AT+SAPBR=3,1,"APN","<apn value>" where <apn value> is the configured APN value.
+      if (! sendCheckReplyQuoted(F("AT+SAPBR=3,1,\"APN\","), apn, ok_reply, 10000))
+        return false;
+
+      // send AT+CSTT,"apn","user","pass"
+      flushInput();
+
+      mySerial->print(F("AT+CSTT=\""));
+      mySerial->print(apn);
+      if (apnusername) {
+	mySerial->print("\",\"");
+	mySerial->print(apnusername);
+      }
+      if (apnpassword) {
+	mySerial->print("\",\"");
+	mySerial->print(apnpassword);
+      }
+      mySerial->println("\"");
+
+      DEBUG_PRINT(F("\t---> ")); DEBUG_PRINT(F("AT+CSTT=\""));
+      DEBUG_PRINT(apn); 
+      
+      if (apnusername) {
+	DEBUG_PRINT("\",\"");
+	DEBUG_PRINT(apnusername); 
+      }
+      if (apnpassword) {
+	DEBUG_PRINT("\",\"");
+	DEBUG_PRINT(apnpassword); 
+      }
+      DEBUG_PRINTLN("\"");
+      
+      if (! expectReply(ok_reply)) return false;
+    
+      // set username/password
+      if (apnusername) {
+        // Send command AT+SAPBR=3,1,"USER","<user>" where <user> is the configured APN username.
+        if (! sendCheckReplyQuoted(F("AT+SAPBR=3,1,\"USER\","), apnusername, ok_reply, 10000))
+          return false;
+      }
+      if (apnpassword) {
+        // Send command AT+SAPBR=3,1,"PWD","<password>" where <password> is the configured APN password.
+        if (! sendCheckReplyQuoted(F("AT+SAPBR=3,1,\"PWD\","), apnpassword, ok_reply, 10000))
+          return false;
+      }
+    }
+
+    // open GPRS context
+    if (! sendCheckReply(F("AT+SAPBR=1,1"), ok_reply, 30000))
+      return false;
+
+    // bring up wireless connection
+    if (! sendCheckReply(F("AT+CIICR"), ok_reply, 10000))
+      return false;
+
+  } else {
+    // disconnect all sockets
+    if (! sendCheckReply(F("AT+CIPSHUT"), F("SHUT OK"), 20000))
+      return false;
+
+    // close GPRS context
+    if (! sendCheckReply(F("AT+SAPBR=0,1"), ok_reply, 10000))
+      return false;
+
+    if (! sendCheckReply(F("AT+CGATT=0"), ok_reply, 10000))
+      return false;
+
+  }
+  return true;
+}
+
+boolean Adafruit_FONA_3G::enableGPRS(boolean onoff) {
+
+  if (onoff) {
+    // disconnect all sockets
+    //sendCheckReply(F("AT+CIPSHUT"), F("SHUT OK"), 5000);
+
+    if (! sendCheckReply(F("AT+CGATT=1"), ok_reply, 10000))
+      return false;
+
+
+    // set bearer profile access point name
+    if (apn) {
+      // Send command AT+CGSOCKCONT=1,"IP","<apn value>" where <apn value> is the configured APN name.
+      if (! sendCheckReplyQuoted(F("AT+CGSOCKCONT=1,\"IP\","), apn, ok_reply, 10000))
+        return false;
+
+      // set username/password
+      if (apnusername) {
+	char authstring[100] = "AT+CGAUTH=1,1,\"";
+	char *strp = authstring + strlen(authstring);
+	prog_char_strcpy(strp, (prog_char *)apnusername);
+	strp+=prog_char_strlen((prog_char *)apnusername);
+	strp[0] = '\"';
+	strp++;
+	strp[0] = 0;
+
+	if (apnpassword) {
+	  strp[0] = ','; strp++;
+	  strp[0] = '\"'; strp++;
+	  prog_char_strcpy(strp, (prog_char *)apnpassword);
+	  strp+=prog_char_strlen((prog_char *)apnpassword);
+	  strp[0] = '\"';
+	  strp++;
+	  strp[0] = 0;
+	}
+
+	if (! sendCheckReply(authstring, ok_reply, 10000))
+	  return false;
+      }
+    }
+
+    // connect in transparent
+    if (! sendCheckReply(F("AT+CIPMODE=1"), ok_reply, 10000))
+      return false;
+    // open network (?)
+    if (! sendCheckReply(F("AT+NETOPEN=,,1"), F("Network opened"), 10000))
+      return false;
+
+    readline(); // eat 'OK'
+  } else {
+    // close GPRS context
+    if (! sendCheckReply(F("AT+NETCLOSE"), F("Network closed"), 10000))
+      return false;
+
+    readline(); // eat 'OK'
+  }
+
+  return true;
+}
+
+uint8_t Adafruit_FONA::GPRSstate(void) {
+  uint16_t state;
+
+  if (! sendParseReply(F("AT+CGATT?"), F("+CGATT: "), &state) )
+    return -1;
+
+  return state;
+}
+
+void Adafruit_FONA::setGPRSNetworkSettings(FONAFlashStringPtr apn,
+              FONAFlashStringPtr username, FONAFlashStringPtr password) {
+  this->apn = apn;
+  this->apnusername = username;
+  this->apnpassword = password;
+}
+
+boolean Adafruit_FONA::getGSMLoc(uint16_t *errorcode, char *buff, uint16_t maxlen) {
+
+  getReply(F("AT+CIPGSMLOC=1,1"), (uint16_t)10000);
+
+  if (! parseReply(F("+CIPGSMLOC: "), errorcode))
+    return false;
+
+  char *p = replybuffer+14;
+  uint16_t lentocopy = min(maxlen-1, strlen(p));
+  strncpy(buff, p, lentocopy+1);
+
+  readline(); // eat OK
+
+  return true;
+}
+
+boolean Adafruit_FONA::getGSMLoc(float *lat, float *lon) {
+
+  uint16_t returncode;
+  char gpsbuffer[120];
+
+  // make sure we could get a response
+  if (! getGSMLoc(&returncode, gpsbuffer, 120))
+    return false;
+
+  // make sure we have a valid return code
+  if (returncode != 0)
+    return false;
+
+  // +CIPGSMLOC: 0,-74.007729,40.730160,2015/10/15,19:24:55
+  // tokenize the gps buffer to locate the lat & long
+  char *longp = strtok(gpsbuffer, ",");
+  if (! longp) return false;
+
+  char *latp = strtok(NULL, ",");
+  if (! latp) return false;
+
+  *lat = atof(latp);
+  *lon = atof(longp);
+
+  return true;
+
+}
+/********* TCP FUNCTIONS  ************************************/
+
+
+boolean Adafruit_FONA::TCPconnect(char *server, uint16_t port) {
+  flushInput();
+
+  // close all old connections
+  if (! sendCheckReply(F("AT+CIPSHUT"), F("SHUT OK"), 20000) ) return false;
+
+  // single connection at a time
+  if (! sendCheckReply(F("AT+CIPMUX=0"), ok_reply) ) return false;
+
+  // manually read data
+  if (! sendCheckReply(F("AT+CIPRXGET=1"), ok_reply) ) return false;
+
+
+  DEBUG_PRINT(F("AT+CIPSTART=\"TCP\",\""));
+  DEBUG_PRINT(server);
+  DEBUG_PRINT(F("\",\""));
+  DEBUG_PRINT(port);
+  DEBUG_PRINTLN(F("\""));
+
+
+  mySerial->print(F("AT+CIPSTART=\"TCP\",\""));
+  mySerial->print(server);
+  mySerial->print(F("\",\""));
+  mySerial->print(port);
+  mySerial->println(F("\""));
+
+  if (! expectReply(ok_reply)) return false;
+  if (! expectReply(F("CONNECT OK"))) return false;
+
+  // looks like it was a success (?)
+  return true;
+}
+
+boolean Adafruit_FONA::TCPclose(void) {
+  return sendCheckReply(F("AT+CIPCLOSE"), ok_reply);
+}
+
+boolean Adafruit_FONA::TCPconnected(void) {
+  if (! sendCheckReply(F("AT+CIPSTATUS"), ok_reply, 100) ) return false;
+  readline(100);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return (strcmp(replybuffer, "STATE: CONNECT OK") == 0);
+}
+
+boolean Adafruit_FONA::TCPsend(char *packet, uint8_t len) {
+
+  DEBUG_PRINT(F("AT+CIPSEND="));
+  DEBUG_PRINTLN(len);
+#ifdef ADAFRUIT_FONA_DEBUG
+  for (uint16_t i=0; i<len; i++) {
+  DEBUG_PRINT(F(" 0x"));
+  DEBUG_PRINT(packet[i], HEX);
+  }
+#endif
+  DEBUG_PRINTLN();
+
+
+  mySerial->print(F("AT+CIPSEND="));
+  mySerial->println(len);
+  readline();
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  if (replybuffer[0] != '>') return false;
+
+  mySerial->write(packet, len);
+  readline(3000); // wait up to 3 seconds to send the data
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+
+  return (strcmp(replybuffer, "SEND OK") == 0);
+}
+
+uint16_t Adafruit_FONA::TCPavailable(void) {
+  uint16_t avail;
+
+  if (! sendParseReply(F("AT+CIPRXGET=4"), F("+CIPRXGET: 4,"), &avail, ',', 0) ) return false;
+
+
+  DEBUG_PRINT (avail); DEBUG_PRINTLN(F(" bytes available"));
+
+
+  return avail;
+}
+
+
+uint16_t Adafruit_FONA::TCPread(uint8_t *buff, uint8_t len) {
+  uint16_t avail;
+
+  mySerial->print(F("AT+CIPRXGET=2,"));
+  mySerial->println(len);
+  readline();
+  if (! parseReply(F("+CIPRXGET: 2,"), &avail, ',', 0)) return false;
+
+  readRaw(avail);
+
+#ifdef ADAFRUIT_FONA_DEBUG
+  DEBUG_PRINT (avail); DEBUG_PRINTLN(F(" bytes read"));
+  for (uint8_t i=0;i<avail;i++) {
+  DEBUG_PRINT(F(" 0x")); DEBUG_PRINT(replybuffer[i], HEX);
+  }
+  DEBUG_PRINTLN();
+#endif
+
+  memcpy(buff, replybuffer, avail);
+
+  return avail;
+}
+
+
+
+/********* HTTP LOW LEVEL FUNCTIONS  ************************************/
+
+boolean Adafruit_FONA::HTTP_init() {
+  return sendCheckReply(F("AT+HTTPINIT"), ok_reply);
+}
+
+boolean Adafruit_FONA::HTTP_term() {
+  return sendCheckReply(F("AT+HTTPTERM"), ok_reply);
+}
+
+void Adafruit_FONA::HTTP_para_start(FONAFlashStringPtr parameter,
+                                    boolean quoted) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> "));
+  DEBUG_PRINT(F("AT+HTTPPARA=\""));
+  DEBUG_PRINT(parameter);
+  DEBUG_PRINTLN('"');
+
+
+  mySerial->print(F("AT+HTTPPARA=\""));
+  mySerial->print(parameter);
+  if (quoted)
+    mySerial->print(F("\",\""));
+  else
+    mySerial->print(F("\","));
+}
+
+boolean Adafruit_FONA::HTTP_para_end(boolean quoted) {
+  if (quoted)
+    mySerial->println('"');
+  else
+    mySerial->println();
+
+  return expectReply(ok_reply);
+}
+
+boolean Adafruit_FONA::HTTP_para(FONAFlashStringPtr parameter,
+                                 const char *value) {
+  HTTP_para_start(parameter, true);
+  mySerial->print(value);
+  return HTTP_para_end(true);
+}
+
+boolean Adafruit_FONA::HTTP_para(FONAFlashStringPtr parameter,
+                                 FONAFlashStringPtr value) {
+  HTTP_para_start(parameter, true);
+  mySerial->print(value);
+  return HTTP_para_end(true);
+}
+
+boolean Adafruit_FONA::HTTP_para(FONAFlashStringPtr parameter,
+                                 int32_t value) {
+  HTTP_para_start(parameter, false);
+  mySerial->print(value);
+  return HTTP_para_end(false);
+}
+
+boolean Adafruit_FONA::HTTP_data(uint32_t size, uint32_t maxTime) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> "));
+  DEBUG_PRINT(F("AT+HTTPDATA="));
+  DEBUG_PRINT(size);
+  DEBUG_PRINT(',');
+  DEBUG_PRINTLN(maxTime);
+
+
+  mySerial->print(F("AT+HTTPDATA="));
+  mySerial->print(size);
+  mySerial->print(",");
+  mySerial->println(maxTime);
+
+  return expectReply(F("DOWNLOAD"));
+}
+
+boolean Adafruit_FONA::HTTP_action(uint8_t method, uint16_t *status,
+                                   uint16_t *datalen, int32_t timeout) {
+  // Send request.
+  if (! sendCheckReply(F("AT+HTTPACTION="), method, ok_reply))
+    return false;
+
+  // Parse response status and size.
+  readline(timeout);
+  if (! parseReply(F("+HTTPACTION:"), status, ',', 1))
+    return false;
+  if (! parseReply(F("+HTTPACTION:"), datalen, ',', 2))
+    return false;
+
+  return true;
+}
+
+boolean Adafruit_FONA::HTTP_readall(uint16_t *datalen) {
+  getReply(F("AT+HTTPREAD"));
+  if (! parseReply(F("+HTTPREAD:"), datalen, ',', 0))
+    return false;
+
+  return true;
+}
+
+boolean Adafruit_FONA::HTTP_ssl(boolean onoff) {
+  return sendCheckReply(F("AT+HTTPSSL="), onoff ? 1 : 0, ok_reply);
+}
+
+/********* HTTP HIGH LEVEL FUNCTIONS ***************************/
+
+boolean Adafruit_FONA::HTTP_GET_start(char *url,
+              uint16_t *status, uint16_t *datalen){
+  if (! HTTP_setup(url))
+    return false;
+
+  // HTTP GET
+  if (! HTTP_action(FONA_HTTP_GET, status, datalen, 30000))
+    return false;
+
+  DEBUG_PRINT(F("Status: ")); DEBUG_PRINTLN(*status);
+  DEBUG_PRINT(F("Len: ")); DEBUG_PRINTLN(*datalen);
+
+  // HTTP response data
+  if (! HTTP_readall(datalen))
+    return false;
+
+  return true;
+}
+
+/*
+boolean Adafruit_FONA_3G::HTTP_GET_start(char *ipaddr, char *path, uint16_t port
+				      uint16_t *status, uint16_t *datalen){
+  char send[100] = "AT+CHTTPACT=\"";
+  char *sendp = send + strlen(send);
+  memset(sendp, 0, 100 - strlen(send));
+
+  strcpy(sendp, ipaddr);
+  sendp+=strlen(ipaddr);
+  sendp[0] = '\"';
+  sendp++;
+  sendp[0] = ',';
+  itoa(sendp, port);
+  getReply(send, 500);
+
+  return;
+
+  if (! HTTP_setup(url))
+
+    return false;
+
+  // HTTP GET
+  if (! HTTP_action(FONA_HTTP_GET, status, datalen))
+    return false;
+
+  DEBUG_PRINT("Status: "); DEBUG_PRINTLN(*status);
+  DEBUG_PRINT("Len: "); DEBUG_PRINTLN(*datalen);
+
+  // HTTP response data
+  if (! HTTP_readall(datalen))
+    return false;
+
+  return true;
+}
+*/
+
+void Adafruit_FONA::HTTP_GET_end(void) {
+  HTTP_term();
+}
+
+boolean Adafruit_FONA::HTTP_POST_start(char *url,
+              FONAFlashStringPtr contenttype,
+              const uint8_t *postdata, uint16_t postdatalen,
+              uint16_t *status, uint16_t *datalen){
+  if (! HTTP_setup(url))
+    return false;
+
+  if (! HTTP_para(F("CONTENT"), contenttype)) {
+    return false;
+  }
+
+  // HTTP POST data
+  if (! HTTP_data(postdatalen, 10000))
+    return false;
+  mySerial->write(postdata, postdatalen);
+  if (! expectReply(ok_reply))
+    return false;
+
+  // HTTP POST
+  if (! HTTP_action(FONA_HTTP_POST, status, datalen))
+    return false;
+
+  DEBUG_PRINT(F("Status: ")); DEBUG_PRINTLN(*status);
+  DEBUG_PRINT(F("Len: ")); DEBUG_PRINTLN(*datalen);
+
+  // HTTP response data
+  if (! HTTP_readall(datalen))
+    return false;
+
+  return true;
+}
+
+void Adafruit_FONA::HTTP_POST_end(void) {
+  HTTP_term();
+}
+
+void Adafruit_FONA::setUserAgent(FONAFlashStringPtr useragent) {
+  this->useragent = useragent;
+}
+
+void Adafruit_FONA::setHTTPSRedirect(boolean onoff) {
+  httpsredirect = onoff;
+}
+
+/********* HTTP HELPERS ****************************************/
+
+boolean Adafruit_FONA::HTTP_setup(char *url) {
+  // Handle any pending
+  HTTP_term();
+
+  // Initialize and set parameters
+  if (! HTTP_init())
+    return false;
+  if (! HTTP_para(F("CID"), 1))
+    return false;
+  if (! HTTP_para(F("UA"), useragent))
+    return false;
+  if (! HTTP_para(F("URL"), url))
+    return false;
+
+  // HTTPS redirect
+  if (httpsredirect) {
+    if (! HTTP_para(F("REDIR"),1))
+      return false;
+
+    if (! HTTP_ssl(true))
+      return false;
+  }
+
+  return true;
+}
+
+/********* HELPERS *********************************************/
+
+boolean Adafruit_FONA::expectReply(FONAFlashStringPtr reply,
+                                   uint16_t timeout) {
+  readline(timeout);
+
+  DEBUG_PRINT(F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+/********* LOW LEVEL *******************************************/
+
+inline int Adafruit_FONA::available(void) {
+  return mySerial->available();
+}
+
+inline size_t Adafruit_FONA::write(uint8_t x) {
+  return mySerial->write(x);
+}
+
+inline int Adafruit_FONA::read(void) {
+  return mySerial->read();
+}
+
+inline int Adafruit_FONA::peek(void) {
+  return mySerial->peek();
+}
+
+inline void Adafruit_FONA::flush() {
+  mySerial->flush();
+}
+
+void Adafruit_FONA::flushInput() {
+    // Read all available serial input to flush pending data.
+    uint16_t timeoutloop = 0;
+    while (timeoutloop++ < 40) {
+        while(available()) {
+            read();
+            timeoutloop = 0;  // If char was received reset the timer
+        }
+        delay(1);
+    }
+}
+
+uint16_t Adafruit_FONA::readRaw(uint16_t b) {
+  uint16_t idx = 0;
+
+  while (b && (idx < sizeof(replybuffer)-1)) {
+    if (mySerial->available()) {
+      replybuffer[idx] = mySerial->read();
+      idx++;
+      b--;
+    }
+  }
+  replybuffer[idx] = 0;
+
+  return idx;
+}
+
+uint8_t Adafruit_FONA::readline(uint16_t timeout, boolean multiline) {
+  uint16_t replyidx = 0;
+
+  while (timeout--) {
+    if (replyidx >= 254) {
+      //DEBUG_PRINTLN(F("SPACE"));
+      break;
+    }
+
+    while(mySerial->available()) {
+      char c =  mySerial->read();
+      if (c == '\r') continue;
+      if (c == 0xA) {
+        if (replyidx == 0)   // the first 0x0A is ignored
+          continue;
+
+        if (!multiline) {
+          timeout = 0;         // the second 0x0A is the end of the line
+          break;
+        }
+      }
+      replybuffer[replyidx] = c;
+      //DEBUG_PRINT(c, HEX); DEBUG_PRINT("#"); DEBUG_PRINTLN(c);
+      replyidx++;
+    }
+
+    if (timeout == 0) {
+      //DEBUG_PRINTLN(F("TIMEOUT"));
+      break;
+    }
+    delay(1);
+  }
+  replybuffer[replyidx] = 0;  // null term
+  return replyidx;
+}
+
+uint8_t Adafruit_FONA::getReply(char *send, uint16_t timeout) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINTLN(send);
+
+
+  mySerial->println(send);
+
+  uint8_t l = readline(timeout);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return l;
+}
+
+uint8_t Adafruit_FONA::getReply(FONAFlashStringPtr send, uint16_t timeout) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINTLN(send);
+
+
+  mySerial->println(send);
+
+  uint8_t l = readline(timeout);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return l;
+}
+
+// Send prefix, suffix, and newline. Return response (and also set replybuffer with response).
+uint8_t Adafruit_FONA::getReply(FONAFlashStringPtr prefix, char *suffix, uint16_t timeout) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINT(prefix); DEBUG_PRINTLN(suffix);
+
+
+  mySerial->print(prefix);
+  mySerial->println(suffix);
+
+  uint8_t l = readline(timeout);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return l;
+}
+
+// Send prefix, suffix, and newline. Return response (and also set replybuffer with response).
+uint8_t Adafruit_FONA::getReply(FONAFlashStringPtr prefix, int32_t suffix, uint16_t timeout) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINT(prefix); DEBUG_PRINTLN(suffix, DEC);
+
+
+  mySerial->print(prefix);
+  mySerial->println(suffix, DEC);
+
+  uint8_t l = readline(timeout);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return l;
+}
+
+// Send prefix, suffix, suffix2, and newline. Return response (and also set replybuffer with response).
+uint8_t Adafruit_FONA::getReply(FONAFlashStringPtr prefix, int32_t suffix1, int32_t suffix2, uint16_t timeout) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINT(prefix);
+  DEBUG_PRINT(suffix1, DEC); DEBUG_PRINT(','); DEBUG_PRINTLN(suffix2, DEC);
+
+
+  mySerial->print(prefix);
+  mySerial->print(suffix1);
+  mySerial->print(',');
+  mySerial->println(suffix2, DEC);
+
+  uint8_t l = readline(timeout);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return l;
+}
+
+// Send prefix, ", suffix, ", and newline. Return response (and also set replybuffer with response).
+uint8_t Adafruit_FONA::getReplyQuoted(FONAFlashStringPtr prefix, FONAFlashStringPtr suffix, uint16_t timeout) {
+  flushInput();
+
+
+  DEBUG_PRINT(F("\t---> ")); DEBUG_PRINT(prefix);
+  DEBUG_PRINT('"'); DEBUG_PRINT(suffix); DEBUG_PRINTLN('"');
+
+
+  mySerial->print(prefix);
+  mySerial->print('"');
+  mySerial->print(suffix);
+  mySerial->println('"');
+
+  uint8_t l = readline(timeout);
+
+  DEBUG_PRINT (F("\t<--- ")); DEBUG_PRINTLN(replybuffer);
+
+  return l;
+}
+
+boolean Adafruit_FONA::sendCheckReply(char *send, char *reply, uint16_t timeout) {
+  if (! getReply(send, timeout) )
+	  return false;
+/*
+  for (uint8_t i=0; i<strlen(replybuffer); i++) {
+  DEBUG_PRINT(replybuffer[i], HEX); DEBUG_PRINT(" ");
+  }
+  DEBUG_PRINTLN();
+  for (uint8_t i=0; i<strlen(reply); i++) {
+    DEBUG_PRINT(reply[i], HEX); DEBUG_PRINT(" ");
+  }
+  DEBUG_PRINTLN();
+  */
+  return (strcmp(replybuffer, reply) == 0);
+}
+
+boolean Adafruit_FONA::sendCheckReply(FONAFlashStringPtr send, FONAFlashStringPtr reply, uint16_t timeout) {
+	if (! getReply(send, timeout) )
+		return false;
+
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+boolean Adafruit_FONA::sendCheckReply(char* send, FONAFlashStringPtr reply, uint16_t timeout) {
+  if (! getReply(send, timeout) )
+	  return false;
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+
+// Send prefix, suffix, and newline.  Verify FONA response matches reply parameter.
+boolean Adafruit_FONA::sendCheckReply(FONAFlashStringPtr prefix, char *suffix, FONAFlashStringPtr reply, uint16_t timeout) {
+  getReply(prefix, suffix, timeout);
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+// Send prefix, suffix, and newline.  Verify FONA response matches reply parameter.
+boolean Adafruit_FONA::sendCheckReply(FONAFlashStringPtr prefix, int32_t suffix, FONAFlashStringPtr reply, uint16_t timeout) {
+  getReply(prefix, suffix, timeout);
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+// Send prefix, suffix, suffix2, and newline.  Verify FONA response matches reply parameter.
+boolean Adafruit_FONA::sendCheckReply(FONAFlashStringPtr prefix, int32_t suffix1, int32_t suffix2, FONAFlashStringPtr reply, uint16_t timeout) {
+  getReply(prefix, suffix1, suffix2, timeout);
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+// Send prefix, ", suffix, ", and newline.  Verify FONA response matches reply parameter.
+boolean Adafruit_FONA::sendCheckReplyQuoted(FONAFlashStringPtr prefix, FONAFlashStringPtr suffix, FONAFlashStringPtr reply, uint16_t timeout) {
+  getReplyQuoted(prefix, suffix, timeout);
+  return (prog_char_strcmp(replybuffer, (prog_char*)reply) == 0);
+}
+
+
+boolean Adafruit_FONA::parseReply(FONAFlashStringPtr toreply,
+          uint16_t *v, char divider, uint8_t index) {
+  char *p = prog_char_strstr(replybuffer, (prog_char*)toreply);  // get the pointer to the voltage
+  if (p == 0) return false;
+  p+=prog_char_strlen((prog_char*)toreply);
+  //DEBUG_PRINTLN(p);
+  for (uint8_t i=0; i<index;i++) {
+    // increment dividers
+    p = strchr(p, divider);
+    if (!p) return false;
+    p++;
+    //DEBUG_PRINTLN(p);
+
+  }
+  *v = atoi(p);
+
+  return true;
+}
+
+boolean Adafruit_FONA::parseReply(FONAFlashStringPtr toreply,
+          char *v, char divider, uint8_t index) {
+  uint8_t i=0;
+  char *p = prog_char_strstr(replybuffer, (prog_char*)toreply);
+  if (p == 0) return false;
+  p+=prog_char_strlen((prog_char*)toreply);
+
+  for (i=0; i<index;i++) {
+    // increment dividers
+    p = strchr(p, divider);
+    if (!p) return false;
+    p++;
+  }
+
+  for(i=0; i<strlen(p);i++) {
+    if(p[i] == divider)
+      break;
+    v[i] = p[i];
+  }
+
+  v[i] = '\0';
+
+  return true;
+}
+
+// Parse a quoted string in the response fields and copy its value (without quotes)
+// to the specified character array (v).  Only up to maxlen characters are copied
+// into the result buffer, so make sure to pass a large enough buffer to handle the
+// response.
+boolean Adafruit_FONA::parseReplyQuoted(FONAFlashStringPtr toreply,
+          char *v, int maxlen, char divider, uint8_t index) {
+  uint8_t i=0, j;
+  // Verify response starts with toreply.
+  char *p = prog_char_strstr(replybuffer, (prog_char*)toreply);
+  if (p == 0) return false;
+  p+=prog_char_strlen((prog_char*)toreply);
+
+  // Find location of desired response field.
+  for (i=0; i<index;i++) {
+    // increment dividers
+    p = strchr(p, divider);
+    if (!p) return false;
+    p++;
+  }
+
+  // Copy characters from response field into result string.
+  for(i=0, j=0; j<maxlen && i<strlen(p); ++i) {
+    // Stop if a divier is found.
+    if(p[i] == divider)
+      break;
+    // Skip any quotation marks.
+    else if(p[i] == '"')
+      continue;
+    v[j++] = p[i];
+  }
+
+  // Add a null terminator if result string buffer was not filled.
+  if (j < maxlen)
+    v[j] = '\0';
+
+  return true;
+}
+
+boolean Adafruit_FONA::sendParseReply(FONAFlashStringPtr tosend,
+				      FONAFlashStringPtr toreply,
+				      uint16_t *v, char divider, uint8_t index) {
+  getReply(tosend);
+
+  if (! parseReply(toreply, v, divider, index)) return false;
+
+  readline(); // eat 'OK'
+
+  return true;
+}
+
+
+// needed for CBC and others
+
+boolean Adafruit_FONA_3G::sendParseReply(FONAFlashStringPtr tosend,
+				      FONAFlashStringPtr toreply,
+				      float *f, char divider, uint8_t index) {
+  getReply(tosend);
+
+  if (! parseReply(toreply, f, divider, index)) return false;
+
+  readline(); // eat 'OK'
+
+  return true;
+}
+
+
+boolean Adafruit_FONA_3G::parseReply(FONAFlashStringPtr toreply,
+          float *f, char divider, uint8_t index) {
+  char *p = prog_char_strstr(replybuffer, (prog_char*)toreply);  // get the pointer to the voltage
+  if (p == 0) return false;
+  p+=prog_char_strlen((prog_char*)toreply);
+  //DEBUG_PRINTLN(p);
+  for (uint8_t i=0; i<index;i++) {
+    // increment dividers
+    p = strchr(p, divider);
+    if (!p) return false;
+    p++;
+    //DEBUG_PRINTLN(p);
+
+  }
+  *f = atof(p);
+
+  return true;
+}
diff -r 000000000000 -r 8b6028668696 Adafruit_FONA.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_FONA.h	Mon Oct 17 10:51:58 2016 +0000
@@ -0,0 +1,263 @@
+/***************************************************
+  This is a library for our Adafruit FONA Cellular Module
+
+  Designed specifically to work with the Adafruit FONA
+  ----> http://www.adafruit.com/products/1946
+  ----> http://www.adafruit.com/products/1963
+
+  These displays use TTL Serial to communicate, 2 pins are required to
+  interface
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit and open-source hardware by purchasing
+  products from Adafruit!
+
+  Written by Limor Fried/Ladyada for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ****************************************************/
+#ifndef ADAFRUIT_FONA_H
+#define ADAFRUIT_FONA_H
+
+#include "includes/FONAConfig.h"
+#include "includes/FONAExtIncludes.h"
+#include "includes/platform/FONAPlatform.h"
+
+
+
+#define FONA800L 1
+#define FONA800H 6
+
+#define FONA808_V1 2
+#define FONA808_V2 3
+
+#define FONA3G_A 4
+#define FONA3G_E 5
+
+// Uncomment to changed the preferred SMS storage
+//#define FONA_PREF_SMS_STORAGE "SM"
+
+#define FONA_HEADSETAUDIO 0
+#define FONA_EXTAUDIO 1
+
+#define FONA_STTONE_DIALTONE 1
+#define FONA_STTONE_BUSY 2
+#define FONA_STTONE_CONGESTION 3
+#define FONA_STTONE_PATHACK 4
+#define FONA_STTONE_DROPPED 5
+#define FONA_STTONE_ERROR 6
+#define FONA_STTONE_CALLWAIT 7
+#define FONA_STTONE_RINGING 8
+#define FONA_STTONE_BEEP 16
+#define FONA_STTONE_POSTONE 17
+#define FONA_STTONE_ERRTONE 18
+#define FONA_STTONE_INDIANDIALTONE 19
+#define FONA_STTONE_USADIALTONE 20
+
+#define FONA_DEFAULT_TIMEOUT_MS 500
+
+#define FONA_HTTP_GET   0
+#define FONA_HTTP_POST  1
+#define FONA_HTTP_HEAD  2
+
+#define FONA_CALL_READY 0
+#define FONA_CALL_FAILED 1
+#define FONA_CALL_UNKNOWN 2
+#define FONA_CALL_RINGING 3
+#define FONA_CALL_INPROGRESS 4
+
+class Adafruit_FONA : public FONAStreamType {
+ public:
+  Adafruit_FONA(int8_t r);
+  boolean begin(FONAStreamType &port);
+  uint8_t type();
+
+  // Stream
+  int available(void);
+  size_t write(uint8_t x);
+  int read(void);
+  int peek(void);
+  void flush();
+
+  // FONA 3G requirements
+  boolean setBaudrate(uint16_t baud);
+
+  // RTC
+  boolean enableRTC(uint8_t i);
+  boolean readRTC(uint8_t *year, uint8_t *month, uint8_t *date, uint8_t *hr, uint8_t *min, uint8_t *sec);
+
+  // Battery and ADC
+  boolean getADCVoltage(uint16_t *v);
+  boolean getBattPercent(uint16_t *p);
+  boolean getBattVoltage(uint16_t *v);
+
+  // SIM query
+  uint8_t unlockSIM(char *pin);
+  uint8_t getSIMCCID(char *ccid);
+  uint8_t getNetworkStatus(void);
+  uint8_t getRSSI(void);
+
+  // IMEI
+  uint8_t getIMEI(char *imei);
+
+  // set Audio output
+  boolean setAudio(uint8_t a);
+  boolean setVolume(uint8_t i);
+  uint8_t getVolume(void);
+  boolean playToolkitTone(uint8_t t, uint16_t len);
+  boolean setMicVolume(uint8_t a, uint8_t level);
+  boolean playDTMF(char tone);
+
+  // FM radio functions.
+  boolean tuneFMradio(uint16_t station);
+  boolean FMradio(boolean onoff, uint8_t a = FONA_HEADSETAUDIO);
+  boolean setFMVolume(uint8_t i);
+  int8_t getFMVolume();
+  int8_t getFMSignalLevel(uint16_t station);
+
+  // SMS handling
+  boolean setSMSInterrupt(uint8_t i);
+  uint8_t getSMSInterrupt(void);
+  int8_t getNumSMS(void);
+  boolean readSMS(uint8_t i, char *smsbuff, uint16_t max, uint16_t *readsize);
+  boolean sendSMS(char *smsaddr, char *smsmsg);
+  boolean deleteSMS(uint8_t i);
+  boolean getSMSSender(uint8_t i, char *sender, int senderlen);
+  boolean sendUSSD(char *ussdmsg, char *ussdbuff, uint16_t maxlen, uint16_t *readlen);
+
+  // Time
+  boolean enableNetworkTimeSync(boolean onoff);
+  boolean enableNTPTimeSync(boolean onoff, FONAFlashStringPtr ntpserver=0);
+  boolean getTime(char *buff, uint16_t maxlen);
+
+  // GPRS handling
+  boolean enableGPRS(boolean onoff);
+  uint8_t GPRSstate(void);
+  boolean getGSMLoc(uint16_t *replycode, char *buff, uint16_t maxlen);
+  boolean getGSMLoc(float *lat, float *lon);
+  void setGPRSNetworkSettings(FONAFlashStringPtr apn, FONAFlashStringPtr username=0, FONAFlashStringPtr password=0);
+
+  // GPS handling
+  boolean enableGPS(boolean onoff);
+  int8_t GPSstatus(void);
+  uint8_t getGPS(uint8_t arg, char *buffer, uint8_t maxbuff);
+  boolean getGPS(float *lat, float *lon, float *speed_kph=0, float *heading=0, float *altitude=0);
+  boolean enableGPSNMEA(uint8_t nmea);
+
+  // TCP raw connections
+  boolean TCPconnect(char *server, uint16_t port);
+  boolean TCPclose(void);
+  boolean TCPconnected(void);
+  boolean TCPsend(char *packet, uint8_t len);
+  uint16_t TCPavailable(void);
+  uint16_t TCPread(uint8_t *buff, uint8_t len);
+
+  // HTTP low level interface (maps directly to SIM800 commands).
+  boolean HTTP_init();
+  boolean HTTP_term();
+  void HTTP_para_start(FONAFlashStringPtr parameter, boolean quoted = true);
+  boolean HTTP_para_end(boolean quoted = true);
+  boolean HTTP_para(FONAFlashStringPtr parameter, const char *value);
+  boolean HTTP_para(FONAFlashStringPtr parameter, FONAFlashStringPtr value);
+  boolean HTTP_para(FONAFlashStringPtr parameter, int32_t value);
+  boolean HTTP_data(uint32_t size, uint32_t maxTime=10000);
+  boolean HTTP_action(uint8_t method, uint16_t *status, uint16_t *datalen, int32_t timeout = 10000);
+  boolean HTTP_readall(uint16_t *datalen);
+  boolean HTTP_ssl(boolean onoff);
+
+  // HTTP high level interface (easier to use, less flexible).
+  boolean HTTP_GET_start(char *url, uint16_t *status, uint16_t *datalen);
+  void HTTP_GET_end(void);
+  boolean HTTP_POST_start(char *url, FONAFlashStringPtr contenttype, const uint8_t *postdata, uint16_t postdatalen,  uint16_t *status, uint16_t *datalen);
+  void HTTP_POST_end(void);
+  void setUserAgent(FONAFlashStringPtr useragent);
+
+  // HTTPS
+  void setHTTPSRedirect(boolean onoff);
+
+  // PWM (buzzer)
+  boolean setPWM(uint16_t period, uint8_t duty = 50);
+
+  // Phone calls
+  boolean callPhone(char *phonenum);
+  uint8_t getCallStatus(void);
+  boolean hangUp(void);
+  boolean pickUp(void);
+  boolean callerIdNotification(boolean enable, uint8_t interrupt = 0);
+  boolean incomingCallNumber(char* phonenum);
+
+  // Helper functions to verify responses.
+  boolean expectReply(FONAFlashStringPtr reply, uint16_t timeout = 10000);
+  boolean sendCheckReply(char *send, char *reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  boolean sendCheckReply(FONAFlashStringPtr send, FONAFlashStringPtr reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  boolean sendCheckReply(char* send, FONAFlashStringPtr reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+
+
+ protected:
+  int8_t _rstpin;
+  uint8_t _type;
+
+  char replybuffer[255];
+  FONAFlashStringPtr apn;
+  FONAFlashStringPtr apnusername;
+  FONAFlashStringPtr apnpassword;
+  boolean httpsredirect;
+  FONAFlashStringPtr useragent;
+  FONAFlashStringPtr ok_reply;
+
+  // HTTP helpers
+  boolean HTTP_setup(char *url);
+
+  void flushInput();
+  uint16_t readRaw(uint16_t b);
+  uint8_t readline(uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS, boolean multiline = false);
+  uint8_t getReply(char *send, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  uint8_t getReply(FONAFlashStringPtr send, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  uint8_t getReply(FONAFlashStringPtr prefix, char *suffix, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  uint8_t getReply(FONAFlashStringPtr prefix, int32_t suffix, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  uint8_t getReply(FONAFlashStringPtr prefix, int32_t suffix1, int32_t suffix2, uint16_t timeout); // Don't set default value or else function call is ambiguous.
+  uint8_t getReplyQuoted(FONAFlashStringPtr prefix, FONAFlashStringPtr suffix, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+
+  boolean sendCheckReply(FONAFlashStringPtr prefix, char *suffix, FONAFlashStringPtr reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  boolean sendCheckReply(FONAFlashStringPtr prefix, int32_t suffix, FONAFlashStringPtr reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  boolean sendCheckReply(FONAFlashStringPtr prefix, int32_t suffix, int32_t suffix2, FONAFlashStringPtr reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+  boolean sendCheckReplyQuoted(FONAFlashStringPtr prefix, FONAFlashStringPtr suffix, FONAFlashStringPtr reply, uint16_t timeout = FONA_DEFAULT_TIMEOUT_MS);
+
+
+  boolean parseReply(FONAFlashStringPtr toreply,
+          uint16_t *v, char divider  = ',', uint8_t index=0);
+  boolean parseReply(FONAFlashStringPtr toreply,
+          char *v, char divider  = ',', uint8_t index=0);
+  boolean parseReplyQuoted(FONAFlashStringPtr toreply,
+          char *v, int maxlen, char divider, uint8_t index);
+
+  boolean sendParseReply(FONAFlashStringPtr tosend,
+       FONAFlashStringPtr toreply,
+       uint16_t *v, char divider = ',', uint8_t index=0);
+
+  static boolean _incomingCall;
+  static void onIncomingCall();
+
+  FONAStreamType *mySerial;
+};
+
+class Adafruit_FONA_3G : public Adafruit_FONA {
+
+ public:
+  Adafruit_FONA_3G (int8_t r) : Adafruit_FONA(r) { _type = FONA3G_A; }
+
+    boolean getBattVoltage(uint16_t *v);
+    boolean playToolkitTone(uint8_t t, uint16_t len);
+    boolean hangUp(void);
+    boolean pickUp(void);
+    boolean enableGPRS(boolean onoff);
+    boolean enableGPS(boolean onoff);
+
+ protected:
+    boolean parseReply(FONAFlashStringPtr toreply,
+		       float *f, char divider, uint8_t index);
+
+    boolean sendParseReply(FONAFlashStringPtr tosend,
+			   FONAFlashStringPtr toreply,
+			   float *f, char divider = ',', uint8_t index=0);
+};
+
+#endif