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Arduino/hardware/arduino/avr/libraries/GSM/examples/MakeVoiceCall/MakeVoiceCall.ino

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2013-03-11 12:17:08 +01:00
/*
Make Voice Call
This sketch, for the Arduino GSM shield, puts a voice call to
a remote phone number that you enter through the serial monitor.
To make it work, open the serial monitor, and when you see the
READY message, type a phone number. Make sure the serial monitor
is set to send a just newline when you press return.
Circuit:
* GSM shield
* Voice circuit.
With no voice circuit the call will send nor receive any sound
created Mar 2012
by Javier Zorzano
This example is in the public domain.
*/
// libraries
#include <GSM.h>
// PIN Number
#define PINNUMBER ""
// initialize the library instance
GSM gsmAccess; // include a 'true' parameter for debug enabled
GSMVoiceCall vcs;
String remoteNumber = ""; // the number you will call
char charbuffer[20];
void setup()
{
// initialize serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
Serial.println("Make Voice Call");
// connection state
boolean notConnected = true;
// Start GSM shield
// If your SIM has PIN, pass it as a parameter of begin() in quotes
while(notConnected)
{
if(gsmAccess.begin(PINNUMBER)==GSM_READY)
notConnected = false;
else
{
Serial.println("Not connected");
delay(1000);
}
}
Serial.println("GSM initialized.");
Serial.println("Enter phone number to call.");
}
void loop()
{
// add any incoming characters to the String:
while (Serial.available() > 0)
{
char inChar = Serial.read();
// if it's a newline, that means you should make the call:
if (inChar == '\n')
{
// make sure the phone number is not too long:
if (remoteNumber.length() < 20)
{
// let the user know you're calling:
Serial.print("Calling to : ");
Serial.println(remoteNumber);
Serial.println();
// Call the remote number
remoteNumber.toCharArray(charbuffer, 20);
// Check if the receiving end has picked up the call
if(vcs.voiceCall(charbuffer))
{
Serial.println("Call Established. Enter line to end");
// Wait for some input from the line
while(Serial.read()!='\n' && (vcs.getvoiceCallStatus()==TALKING));
// And hang up
vcs.hangCall();
}
Serial.println("Call Finished");
remoteNumber="";
Serial.println("Enter phone number to call.");
}
else
{
Serial.println("That's too long for a phone number. I'm forgetting it");
remoteNumber = "";
}
}
else
{
// add the latest character to the message to send:
if(inChar!='\r')
remoteNumber += inChar;
}
}
}