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