| /* | |
| 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 | |
| // PIN Number | |
| // 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 native USB port 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; | |
| } | |
| } | |
| } | |
| } | |