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121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
/*
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Band Management
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This sketch, for the Arduino GSM shield, checks the band
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currently configured in the modem and allows you to change
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it.
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Please check http://www.worldtimezone.com/gsm.html
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Usual configurations:
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Europe, Africa, Middle East: E-GSM(900)+DCS(1800)
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USA, Canada, South America: GSM(850)+PCS(1900)
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Mexico: PCS(1900)
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Brazil: GSM(850)+E-GSM(900)+DCS(1800)+PCS(1900)
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Circuit:
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* GSM shield
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created 12 June 2012
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by Javier Zorzano, Scott Fitzgerald
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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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// initialize the library instance
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GSMBand band;
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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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// Beginning the band manager restarts the modem
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Serial.println("Restarting modem...");
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band.begin();
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Serial.println("Modem restarted.");
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};
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void loop()
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{
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// Get current band
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String bandName = band.getBand(); // Get and print band name
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Serial.print("Current band:");
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Serial.println(bandName);
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Serial.println("Want to change the band you’re on?");
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String newBandName;
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newBandName = askUser();
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// Tell the user what we are about to do…
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Serial.print("\nConfiguring band ");
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Serial.println(newBandName);
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// Change the band
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boolean operationSuccess;
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operationSuccess = band.setBand(newBandName);
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// Tell the user if the operation was OK
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if (operationSuccess)
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{
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Serial.println("Success");
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}
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else
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{
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Serial.println("Error while changing band");
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}
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if (operationSuccess)
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{
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while (true);
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}
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}
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// This function offers the user different options
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// through the Serial interface
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// The user selects one
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String askUser()
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{
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String newBand;
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Serial.println("Select band:");
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// Print the different options
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Serial.println("1 : E-GSM(900)");
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Serial.println("2 : DCS(1800)");
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Serial.println("3 : PCS(1900)");
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Serial.println("4 : E-GSM(900)+DCS(1800) ex: Europe");
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Serial.println("5 : GSM(850)+PCS(1900) Ex: USA, South Am.");
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Serial.println("6 : GSM(850)+E-GSM(900)+DCS(1800)+PCS(1900)");
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// Empty the incoming buffer
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while (Serial.available())
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Serial.read();
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// Wait for an answer, just look at the first character
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while (!Serial.available());
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char c = Serial.read();
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if (c == '1')
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newBand = GSM_MODE_EGSM;
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else if (c == '2')
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newBand = GSM_MODE_DCS;
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else if (c == '3')
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newBand = GSM_MODE_PCS;
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else if (c == '4')
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newBand = GSM_MODE_EGSM_DCS;
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else if (c == '5')
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newBand = GSM_MODE_GSM850_PCS;
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else if (c == '6')
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newBand = GSM_MODE_GSM850_EGSM_DCS_PCS;
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else
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newBand = "GSM_MODE_UNDEFINED";
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return newBand;
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}
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