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So it looks like (beryindo's code, done it for you this time)
/*
GPRS SMS Read
This sketch is used to test seeeduino GPRS_Shield's reading SMS
function.To make it work, you should insert SIM card
to Seeeduino GPRS Shield,enjoy it!
There are two methods to read SMS:
1. GPRS_LoopHandle.ino -> in order to recieve "+CMTI: "SM""
may be you need to send this command to your shield: "AT+CNMI=2,2,0,0,0"
2. GPRS_SMSread.ino -> you have to check if there are any
UNREAD sms, and you don't need to check serial data continuosly
create on 2015/05/14, version: 1.0
by op2op2op2(op2op2op2@hotmail.com)
*/
#include <GPRS_Shield_Arduino.h>
#include <SoftwareSerial.h>
#include <Wire.h>
#define PIN_TX 10
#define PIN_RX 11
#define BAUDRATE 9600
#define MESSAGE_LENGTH 160
char message[MESSAGE_LENGTH];
int messageIndex = 0;
char phone[16];
char datetime[24];
GPRS gprsTest(PIN_TX,PIN_RX,BAUDRATE);//RX,TX,PWR,BaudRate
void setup() {
Serial.begin(9600);
while(!gprsTest.init()) {
Serial.print("init error\r\n");
delay(1000);
}
delay(3000);
Serial.println("Init Success, please send SMS message to me!");
}
void loop() {
messageIndex = gprsTest.isSMSunread();
if (messageIndex > 0) { //At least, there is one UNREAD SMS
gprsTest.readSMS(messageIndex, message, MESSAGE_LENGTH, phone, datetime);
//In order not to full SIM Memory, is better to delete it
gprsTest.deleteSMS(messageIndex);
Serial.print("From number: ");
Serial.println(phone);
Serial.print("Datetime: ");
Serial.println(datetime);
Serial.print("Recieved Message: ");
Serial.println(message);
}
}