Adafruit_MQTT_Library/examples/mqtt_fona/fonahelper.cpp

58 lines
1.7 KiB
C++

#include "Adafruit_FONA.h"
#include <Adafruit_SleepyDog.h>
#include <SoftwareSerial.h>
#define halt(s) \
{ \
Serial.println(F(s)); \
while (1) \
; \
}
extern Adafruit_FONA fona;
extern SoftwareSerial fonaSS;
boolean FONAconnect(const __FlashStringHelper *apn,
const __FlashStringHelper *username,
const __FlashStringHelper *password) {
Watchdog.reset();
Serial.println(F("Initializing FONA....(May take 3 seconds)"));
fonaSS.begin(4800); // if you're using software serial
if (!fona.begin(fonaSS)) { // can also try fona.begin(Serial1)
Serial.println(F("Couldn't find FONA"));
return false;
}
fonaSS.println("AT+CMEE=2");
Serial.println(F("FONA is OK"));
Watchdog.reset();
Serial.println(F("Checking for network..."));
while (fona.getNetworkStatus() != 1) {
delay(500);
}
Watchdog.reset();
delay(5000); // wait a few seconds to stabilize connection
Watchdog.reset();
fona.setGPRSNetworkSettings(apn, username, password);
Serial.println(F("Disabling GPRS"));
fona.enableGPRS(false);
Watchdog.reset();
delay(5000); // wait a few seconds to stabilize connection
Watchdog.reset();
Serial.println(F("Enabling GPRS"));
if (!fona.enableGPRS(true)) {
Serial.println(F("Failed to turn GPRS on"));
return false;
}
Watchdog.reset();
return true;
}