File content as of revision 0:b98b6cf2edfe:

#include "mbed.h"
#include "BufferedSerial.h"
#include <string>

//Works with AT Command
Serial pc(USBTX, USBRX);
Serial SIM800L(P3_1, P3_0);
DigitalOut led1(LED1);
DigitalOut led2(LED2);

char *phone = "\"17039739276\"";
//char str[2];

long GSMBAUD = 9600;
long PCBAUD  = 9600;

int main(){
    pc.baud(PCBAUD);
    SIM800L.baud(GSMBAUD);
/*   
    SIM800L.puts("AT");
    SIM800L.puts("\r\n");
    //wait(0.1f);
    
    SIM800L.puts("AT+CMGF=1");
    SIM800L.puts("\r\n");
    //wait(0.1f);
    
    SIM800L.puts("AT+CMGS=\"17039739276\"");
    SIM800L.puts("\r\n");
    //wait(0.1f);
    
    SIM800L.printf("Testing SMS from KC.");
    //SIM800L.puts("\r\n");
    //wait(0.1f);
    //wait_ms(500);
*/  
    while(1){
        while(pc.readable()){
            SIM800L.putc(pc.getc());
            //SIM800L.printf("%c", SIM800L.putc(pc.getc()));
            //SIM800L.puts("\r\n");  
        }   
        wait(0.1f);
        while(SIM800L.readable()){
            //pc.putc(SIM800L.getc());
            pc.printf("%c", pc.putc(SIM800L.getc()));
        } 
        //wait(0.1f);

        
        
    }
    
    
}