Hello guys,
I am using Arduino mega 2560, GPRS shield sim900 and MicroSdCard module to send an MMS image form the memory to a phone. Though i got no issues concerning compilation error, my second serial could not begin. I have made the cross connection of the TX/RX pin, be it Serial1, Serial2 or Serial3. But still my code is operating on a single serial communication..
Thanks in advance.
I appreciate your help.
Here is my code:
/*
Project: Send MMS from SD Card Lesson
Programmer: Shahrulnizam Mat Rejab
Board: Arduino Mega
Last Modified: 14 December 2014
Website: http://shahrulnizam.com
*/
#include <SD.h>
#define PWR 31
#define CS 53
File dataFile;
int i;
unsigned char data=0;
void setup()
{
pinMode(PWR,OUTPUT);
pinMode(CS,OUTPUT);
Serial.begin(9600);
Serial2.begin(9600);
if (Serial2.available())
{
Serial.print("serial 2 initialized.......");
}else Serial.print ("sorry serial 2 not initialzed!!!");
digitalWrite(PWR,LOW);
delay(10);
digitalWrite(PWR,HIGH);
delay(10);
if (!SD.begin(CS)) Serial.println("initialization failed!");
else Serial.println("initialization done.");
}
void loop()
{
if(Serial2.available())
{
while(Serial2.available())
{
data=Serial2.read();
Serial.write(data);
}
data=0;
}
if(Serial.available())
{
data=Serial.read();
}
if(data=='1')
{
Serial2.print("AT+CGMI\r"); //Manufacturer identification
}
if(data=='2')
{
Serial2.print("AT+CGMM\r"); //Model identification
}
if(data=='3')
{
Serial2.print("AT+CGMR\r"); //Software version
}
if(data=='4')
{
Serial2.print("AT+CGSN\r"); //IMEI number
}
if(data=='5')
{
Serial2.print("ATD+60136289844;\r"); //Calling
}
if(data=='6')
{
Serial2.print("ATH\r"); //Hang Up
}
if(data=='7')
{
Serial2.print("AT+CMGF=1\r"); //Set text mode
delay(100);
Serial2.print("AT+CMGS="); //Send message
Serial2.write((byte)0x22); //"
Serial2.print("+60136289844"); //Phone no
Serial2.write((byte)0x22); //"
Serial2.write((byte)0x0D); //Enter
Serial2.print("Hai, I'm Arduino");//Text message
Serial2.write((byte)0x0D); //Enter
Serial2.print("Reply, if you receive this message");//Text message
Serial2.write((byte)0x1A); //Ctrl+Z
}
if(data=='8')
{
Serial2.print("AT+CMGR=1\r"); //Read message
}
if(data=='9')
{
Serial2.print("AT+CMGD=1,0\r"); //Delete message
}
if(data=='s') sendMMS();
data=0;
}
void sendMMS()
{
Serial2.print("AT+CMMSINIT\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSCURL=\"http://mms.celcom.net.my\"\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSCID=1\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSPROTO=\"10.128.1.242\",8080\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSSENDCFG=6,3,0,0,2,4\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+SAPBR=3,1,\"CONTYPE\",\"MMS\"\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+SAPBR=3,1,\"APN\",\"mms.celcom.net.my\"\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+SAPBR=1,1\r");
delay(4000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+SAPBR=2,1\r");
delay(1000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSEDIT=1\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSDOWN=\"PIC\",19293,2000000,\"test.jpg\"\r");
delay(1000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
dataFile=SD.open("Capture.jpg");
i=0;
if(dataFile)
{
while(dataFile.available())
{
data=dataFile.read();
if(data<0x10) Serial.print("0");
Serial.print(data,HEX);
i++;
if((i%40)==0) Serial.println();
Serial2.write(data);
}
dataFile.close();
}
else
{
Serial.println("error opening test.jpg");
}
delay(1000);
Serial2.print("AT+CMMSRECP=\"0133144409\"\r");
delay(100);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSVIEW\r");
delay(2000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSSEND\r");
delay(2000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSEDIT=0\r");
delay(2000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
Serial2.print("AT+CMMSTERM\r");
delay(2000);
if(Serial2.available())
{
while(Serial2.available()) Serial.write(Serial2.read());
}
}