| 1 | // import the GSM library
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| 2 | #include <GSM.h>
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| 3 |
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| 4 | // PIN Number
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| 5 | //#define PINNUMBER "0839"
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| 6 | //#define PINNUMBER "7143"
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| 7 | #define PINNUMBER "0060"
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| 8 |
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| 9 | // initialize the library instance
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| 10 | GSM gsmAccess(true); // include a 'true' parameter for debug enabled
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| 11 | //GSM gsmAccess(false); // include a 'true' parameter for debug enabled
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| 12 | GSMScanner scannerNetworks;
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| 13 | GSMModem modemTest;
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| 14 |
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| 15 | // Save data variables
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| 16 | String IMEI = "";
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| 17 |
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| 18 | // serial monitor result messages
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| 19 | String errortext = "ERROR";
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| 20 |
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| 21 | void setup()
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| 22 | {
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| 23 | // initialize serial communications
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| 24 | Serial.begin(9600);
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| 25 | Serial.println("GSM networks scanner");
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| 26 | scannerNetworks.begin();
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| 27 |
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| 28 | // connection state
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| 29 | boolean notConnected = true;
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| 30 |
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| 31 | // Start GSM shield
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| 32 | // If your SIM has PIN, pass it as a parameter of begin() in quotes
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| 33 | while(notConnected)
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| 34 | {
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| 35 | if(gsmAccess.begin(PINNUMBER,true,true)==GSM_READY)
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| 36 | notConnected = false;
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| 37 | else
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| 38 | {
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| 39 | Serial.println("Not connected");
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| 40 | delay(1000);
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | // get modem parameters
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| 45 | // IMEI, modem unique identifier
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| 46 | Serial.print("Modem IMEI: ");
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| 47 | IMEI = modemTest.getIMEI();
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| 48 | IMEI.replace("\n","");
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| 49 | if(IMEI != NULL)
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| 50 | Serial.println(IMEI);
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| 51 |
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| 52 | // currently connected carrier
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| 53 | Serial.print("Current carrier: ");
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| 54 | Serial.println(scannerNetworks.getCurrentCarrier());
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| 55 |
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| 56 | // returns strength and ber
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| 57 | // signal strength in 0-31 scale. 31 means power > 51dBm
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| 58 | // BER is the Bit Error Rate. 0-7 scale. 99=not detectable
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| 59 | Serial.print("Signal Strength: ");
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| 60 | Serial.print(scannerNetworks.getSignalStrength());
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| 61 | Serial.println(" [0-31]");
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| 62 | }
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| 63 |
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| 64 | void loop()
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| 65 | {
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| 66 | // scan for existing networks, displays a list of networks
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| 67 | Serial.println("Scanning available networks. May take some seconds.");
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| 68 |
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| 69 | Serial.println(scannerNetworks.readNetworks());
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| 70 |
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| 71 | // currently connected carrier
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| 72 | Serial.print("Current carrier: ");
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| 73 | Serial.println(scannerNetworks.getCurrentCarrier());
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| 74 |
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| 75 | // returns strength and ber
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| 76 | // signal strength in 0-31 scale. 31 means power > 51dBm
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| 77 | // BER is the Bit Error Rate. 0-7 scale. 99=not detectable
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| 78 | Serial.print("Signal Strength: ");
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| 79 | Serial.print(scannerNetworks.getSignalStrength());
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| 80 | Serial.println(" [0-31]");
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| 81 |
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| 82 | }
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| 83 |
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| 84 |
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