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| /* GSM Shield example
created 2011
by Boris Landoni
This example code is in the public domain.
http://www.open-electronics.org
http://www.futurashop.it
*/
#include <GSM_Shield.h>
//**************************************************************************
char number[]="+39123456789"; //Destination number
char text[]="hello world"; //SMS to send
byte type_sms=SMS_UNREAD; //Type of SMS
byte del_sms=0; //0: No deleting sms - 1: Deleting SMS
//**************************************************************************
GSM gsm;
char sms_rx[122]; //Received text SMS
//int inByte=0; //Number of byte received on serial port
char number_incoming[20];
int call;
int error;
void setup()
{
Serial.begin(9600);
Serial.println("system startup");
gsm.TurnOn(9600); //module power on
gsm.InitParam(PARAM_SET_1);//configure the module
gsm.Echo(0); //enable AT echo
}
void loop()
{
char inSerial[5];
int i=0;
delay(2000);
Check_Call(); //Check if there is an incoming call
Check_SMS(); //Check if there is SMS
//Check data serial com
if (Serial.available() > 0)
{
while (Serial.available() > 0) {
inSerial[i]=(Serial.read()); //read data
i++;
}
inSerial[i]='\0';
Check_Protocol(inSerial);
}
}
void Check_Protocol(String inStr)
{
Serial.print("Command: ");
Serial.println(inStr);
Serial.println("Check_Protocol");
switch (inStr[0])
{
case 'a' : //Answer
if (gsm.CallStatus()==CALL_INCOM_VOICE){
gsm.PickUp();
Serial.println("Answer");
}
else
{
Serial.println("No incoming call");
}
break;
case 'c': // C //Call
if (inStr.length()<2) //To call variable 'number' comand c
{
Serial.print("Calling ");
Serial.println(number);
gsm.Call(number);
}
if (inStr.length()==2) //To call number in phone book position comand cx where x is the SIM position
{
error=gsm.GetPhoneNumber(inStr[1],number);
if (error!=0)
{
Serial.print("Calling ");
Serial.println(number);
gsm.Call(number);
}
else
{
Serial.print("No number in pos ");
Serial.println(inStr[1]);
}
}
break;
case 'h': //H //HangUp if there is an incoming call
if (gsm.CallStatus()!=CALL_NONE)
{
Serial.println("Hang");
gsm.HangUp();
}
else
{
Serial.println("No incoming call");
}
break;
case 's': //S //Send SMS
Serial.print("Send SMS to ");
Serial.println(number);
error=gsm.SendSMS(number,text);
if (error==0) //Check status
{
Serial.println("SMS ERROR \n");
}
else
{
Serial.println("SMS OK \n");
}
break;
case 'p': //Read-Write Phone Book
if (inStr.length()==3)
{
switch (inStr[1])
{
case 'd': //Delete number in specified position pd2
error=gsm.DelPhoneNumber(inStr[2]);
if (error!=0)
{
Serial.print("Phone number position ");
Serial.print(inStr[2]);
Serial.println(" deleted");
}
break;
case 'g': //Read from Phone Book position pg2
error=gsm.GetPhoneNumber(inStr[2],number);
if (error!=0) //Find number in specified position
{
Serial.print("Phone Book position ");
Serial.print(inStr[2]);
Serial.print(": ");
Serial.println(number);
}
else //Not find number in specified position
{
Serial.print("No Phone number in position ");
Serial.println(inStr[2]);
}
break;
case 'w': //Write from Phone Book Position pw2
error=gsm.WritePhoneNumber(inStr[2],number);
if (error!=0)
{
Serial.print("Number ");
Serial.print(number);
Serial.print(" writed in Phone Book position ");
Serial.println(inStr[2]);
}
else Serial.println("Writing error");
break;
}
}
break;
}
delay(1500);
return;
}
void Check_Call() //Check status call if this is available
{
call=gsm.CallStatus();
switch (call)
{
case CALL_NONE:
Serial.println("no call");
break;
case CALL_INCOM_VOICE:
gsm.CallStatusWithAuth(number_incoming,0,0);
Serial.print("incoming voice call from ");
Serial.println(number_incoming);
break;
case CALL_ACTIVE_VOICE:
Serial.println("active voice call");
break;
case CALL_NO_RESPONSE:
Serial.println("no response");
break;
}
return;
}
void Check_SMS() //Check if there is an sms 'type_sms'
{
char pos_sms_rx; //Received SMS position
pos_sms_rx=gsm.IsSMSPresent(type_sms);
if (pos_sms_rx!=0)
{
//Read text/number/position of sms
gsm.GetSMS(pos_sms_rx,number_incoming,sms_rx,120);
Serial.print("Received SMS from ");
Serial.print(number_incoming);
Serial.print("(sim position: ");
Serial.print(word(pos_sms_rx));
Serial.println(")");
Serial.println(sms_rx);
if (del_sms==1) //If 'del_sms' is 1, i delete sms
{
error=gsm.DeleteSMS(pos_sms_rx);
if (error==1)Serial.println("SMS deleted");
else Serial.println("SMS not deleted");
}
}
return;
} |
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