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/***************************************************
This is an example 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
----> http://www.adafruit.com/products/2468
----> http://www.adafruit.com/products/2542
These cellular modules 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
****************************************************/
/*
THIS CODE IS STILL IN PROGRESS!
Open up the serial console on the Arduino at 115200 baud to interact with FONA
This code will receive an SMS, identify the sender's phone number, and automatically send a response
For use with FONA 800 & 808, not 3G
*/
#include "Adafruit_FONA.h"
#define FONA_RX 9
#define FONA_TX 8
#define FONA_RST 4
#define FONA_RI 7
// this is a large buffer for replies
char replybuffer[255];
// We default to using software serial. If you want to use hardware serial
// (because softserial isnt supported) comment out the following three lines
// and uncomment the HardwareSerial line
#include <SoftwareSerial.h>
SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
SoftwareSerial *fonaSerial = &fonaSS;
// Hardware serial is also possible!
// HardwareSerial *fonaSerial = &Serial1;
Adafruit_FONA fona = Adafruit_FONA(FONA_RST);
uint8_t readline(char *buff, uint8_t maxbuff, uint16_t timeout = 0);
void setup() {
while (!Serial);
Serial.begin(115200);
Serial.println(F("FONA SMS caller ID test"));
Serial.println(F("Initializing....(May take 3 seconds)"));
// make it slow so its easy to read!
fonaSerial->begin(4800);
if (! fona.begin(*fonaSerial)) {
Serial.println(F("Couldn't find FONA"));
while(1);
}
Serial.println(F("FONA is OK"));
// Print SIM card IMEI number.
char imei[15] = {0}; // MUST use a 16 character buffer for IMEI!
uint8_t imeiLen = fona.getIMEI(imei);
if (imeiLen > 0) {
Serial.print("SIM card IMEI: "); Serial.println(imei);
}
Serial.println("FONA Ready");
}
char fonaInBuffer[64]; //for notifications from the FONA
void loop() {
char* bufPtr = fonaInBuffer; //handy buffer pointer
if (fona.available()) //any data available from the FONA?
{
int slot = 0; //this will be the slot number of the SMS
int charCount = 0;
//Read the notification into fonaInBuffer
do {
*bufPtr = fona.read();
Serial.write(*bufPtr);
delay(1);
} while ((*bufPtr++ != '\n') && (fona.available()) && (++charCount < (sizeof(fonaInBuffer)-1)));
//Add a terminal NULL to the notification string
*bufPtr = 0;
//Scan the notification string for an SMS received notification.
// If it's an SMS message, we'll get the slot number in 'slot'
if (1 == sscanf(fonaInBuffer, "+CMTI: \"SM\",%d", &slot)) {
Serial.print("slot: "); Serial.println(slot);
char callerIDbuffer[32]; //we'll store the SMS sender number in here
// Retrieve SMS sender address/phone number.
if (! fona.getSMSSender(slot, callerIDbuffer, 31)) {
Serial.println("Didn't find SMS message in slot!");
}
Serial.print(F("FROM: ")); Serial.println(callerIDbuffer);
//Send back an automatic response
Serial.println("Sending reponse...");
if (!fona.sendSMS(callerIDbuffer, "Hey, I got your text!")) {
Serial.println(F("Failed"));
} else {
Serial.println(F("Sent!"));
}
// delete the original msg after it is processed
// otherwise, we will fill up all the slots
// and then we won't be able to receive SMS anymore
if (fona.deleteSMS(slot)) {
Serial.println(F("OK!"));
} else {
Serial.println(F("Couldn't delete"));
}
}
}
}
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