Hello world, I have this code to receive calls by the shield sim900,
I got everything right, but my problem is how can I pick up that call and be able to talk
#include <SoftwareSerial.h>
char inchar; // Will hold the incoming character from the GSM shield
SoftwareSerial mySerial(7, 8);
int numring=0;
int comring=3;
int onoff=0; // 0 = off, 1 = on
void setup()
{
Serial.begin(19200);
// set up the digital pins to control
pinMode(12, OUTPUT);
pinMode(13, OUTPUT); // LEDs - off = red, on = green
digitalWrite(12, HIGH);
digitalWrite(13, LOW);
// wake up the GSM shield
mySerial.begin(19200);
mySerial.print("AT+CLIP=1\r"); // turn on caller ID notification
delay(100);
}
void doSomething()
{
if (onoff==0)
{
onoff=1;
digitalWrite(12, HIGH);
digitalWrite(13, LOW);
Serial.println("D12 high D13 low");
}
else
if (onoff==1)
{
onoff=0;
digitalWrite(12, LOW);
digitalWrite(13, HIGH);
Serial.println("D12 low D13 high");
}
}
void loop()
{
if(mySerial.available() >0)
{
inchar=mySerial.read();
if (inchar=='R')
{
delay(10);
inchar=mySerial.read();
if (inchar=='I')
{
delay(10);
inchar=mySerial.read();
if (inchar=='N')
{
delay(10);
inchar=mySerial.read();
if (inchar=='G')
{
delay(10);
// So the phone (our GSM shield) has 'rung' once, i.e. if it were a real phone
// it would have sounded 'ring-ring' or 'blurrrrr' or whatever one cycle of your ring tone is
numring++;
Serial.println("ring!");
if (numring==comring)
{
numring=0; // reset ring counter
doSomething();
}
}
}
}
}
}
}