[175] | 1 | /*
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| 2 | Band Management
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| 3 |
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| 4 | This sketch, for the Arduino GSM shield, checks the band
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| 5 | currently configured in the modem and allows you to change
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| 6 | it.
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| 7 |
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| 8 | Please check http://www.worldtimezone.com/gsm.html
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| 9 | Usual configurations:
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| 10 | Europe, Africa, Middle East: E-GSM(900)+DCS(1800)
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| 11 | USA, Canada, South America: GSM(850)+PCS(1900)
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| 12 | Mexico: PCS(1900)
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| 13 | Brazil: GSM(850)+E-GSM(900)+DCS(1800)+PCS(1900)
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| 14 |
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| 15 |
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| 16 | Circuit:
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| 17 | * GSM shield
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| 18 |
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| 19 | ATTENTION: to work correctly with M0/M0 pro you have to connect pin 2 to pin 4 of the shield
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| 20 |
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| 21 | created 12 June 2012
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| 22 | by Javier Zorzano, Scott Fitzgerald
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| 23 |
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| 24 | This example is in the public domain.
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| 25 | */
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| 26 |
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| 27 | // libraries
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| 28 | #include <GSM.h>
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| 29 |
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| 30 | // initialize the library instance
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| 31 | GSMBand band;
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| 32 |
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| 33 | void setup()
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| 34 | {
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| 35 | // initialize serial communications and wait for port to open:
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| 36 | SerialUSB.begin(9600);
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| 37 | while (!SerialUSB) {
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| 38 | ; // wait for serial port to connect. Needed for Leonardo only
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| 39 | }
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| 40 |
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| 41 | // Beginning the band manager restarts the modem
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| 42 | SerialUSB.println("Restarting modem...");
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| 43 | band.begin();
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| 44 | SerialUSB.println("Modem restarted.");
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| 45 |
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| 46 | };
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| 47 |
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| 48 |
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| 49 | void loop()
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| 50 | {
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| 51 | // Get current band
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| 52 | String bandName = band.getBand(); // Get and print band name
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| 53 | SerialUSB.print("Current band:");
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| 54 | SerialUSB.println(bandName);
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| 55 | SerialUSB.println("Want to change the band youâre on?");
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| 56 | String newBandName;
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| 57 | newBandName = askUser();
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| 58 | // Tell the user what we are about to doâ¦
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| 59 | SerialUSB.print("\nConfiguring band ");
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| 60 | SerialUSB.println(newBandName);
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| 61 | // Change the band
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| 62 | boolean operationSuccess;
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| 63 | operationSuccess = band.setBand(newBandName);
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| 64 | // Tell the user if the operation was OK
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| 65 | if (operationSuccess)
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| 66 | {
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| 67 | SerialUSB.println("Success");
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| 68 | }
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| 69 | else
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| 70 | {
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| 71 | SerialUSB.println("Error while changing band");
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| 72 | }
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| 73 |
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| 74 | if (operationSuccess)
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| 75 | {
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| 76 | while (true);
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| 77 | }
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| 78 | }
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| 79 |
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| 80 | // This function offers the user different options
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| 81 | // through the Serial interface
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| 82 | // The user selects one
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| 83 | String askUser()
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| 84 | {
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| 85 | String newBand;
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| 86 | SerialUSB.println("Select band:");
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| 87 | // Print the different options
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| 88 | SerialUSB.println("1 : E-GSM(900)");
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| 89 | SerialUSB.println("2 : DCS(1800)");
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| 90 | SerialUSB.println("3 : PCS(1900)");
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| 91 | SerialUSB.println("4 : E-GSM(900)+DCS(1800) ex: Europe");
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| 92 | SerialUSB.println("5 : GSM(850)+PCS(1900) Ex: USA, South Am.");
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| 93 | SerialUSB.println("6 : GSM(850)+E-GSM(900)+DCS(1800)+PCS(1900)");
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| 94 |
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| 95 | // Empty the incoming buffer
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| 96 | while (SerialUSB.available())
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| 97 | SerialUSB.read();
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| 98 |
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| 99 | // Wait for an answer, just look at the first character
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| 100 | while (!SerialUSB.available());
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| 101 | char c = SerialUSB.read();
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| 102 | if (c == '1')
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| 103 | newBand = GSM_MODE_EGSM;
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| 104 | else if (c == '2')
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| 105 | newBand = GSM_MODE_DCS;
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| 106 | else if (c == '3')
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| 107 | newBand = GSM_MODE_PCS;
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| 108 | else if (c == '4')
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| 109 | newBand = GSM_MODE_EGSM_DCS;
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| 110 | else if (c == '5')
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| 111 | newBand = GSM_MODE_GSM850_PCS;
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| 112 | else if (c == '6')
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| 113 | newBand = GSM_MODE_GSM850_EGSM_DCS_PCS;
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| 114 | else
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| 115 | newBand = "GSM_MODE_UNDEFINED";
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| 116 | return newBand;
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| 117 | }
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| 118 |
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| 119 |
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| 120 |
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| 121 |
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| 122 |
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