File content as of revision 1:e5ef21ebff5f:

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



DigitalOut led1(LED1);
DigitalOut led2(LED2);
string data;
uint8_t wifi_ack;
Serial pc(USBTX, USBRX);
//Serial Wifi(P2_14,P2_15);
Serial Wifi(P2_14, P2_15);
bool i = true;
bool j = false;
char MSB;
char LSB;

 
void call() {
    // Note: you need to actually read from the serial to clear the RX interrupt
    data = Wifi.getc();
    pc.printf("%c\n", data);
    // Wifi.printf("%c",data);
}
 
int main() {
    
    //pc.attach(&call);
    pc.baud(9600);
    Wifi.baud(115200);
    //Wifi.attach(&call);
    /*while(1){
        //Wifi.printf("AT\n");
        //pc.printf("done!\n");
        
        if(pc.readable()) {
            pc.putc(pc.getc());
            led1 = ~led1;
        }
        if(Wifi.readable()) {
            pc.putc(Wifi.getc());
            led2 = ~led2;
        }
        
            
        //wifi_ack = Wifi.getc();
        //pc.printf("%c\n", wifi_ack);
        //wait(5);
    }*/
    
    while (1)
    {
          if(Wifi.readable()) // check if the esp is sending a message 
              {
                while(Wifi.readable())
                {
                  // The esp has data so display its output to the serial window 
                  char c = Wifi.getc(); // read the next character.
                  pc.putc(c);
                  //pc.printf("%c", c);
                  i=~i;
                }  
              }
            if(pc.readable()) // check if the esp is sending a message 
              {
                while(pc.readable())
                {
                  // The esp has data so display its output to the serial window 
                  char d = pc.getc(); // read the next character.
                  Wifi.putc(d);
                  //pc.printf("%c", c);
                  j=~j;
                }
              }
            led1=i;
            led2=j;
        }
}