File content as of revision 0:b7473c389910:

#include "mbed.h"

//------------------------------------
// Hyperterminal configuration
// 115200 bauds, 8-bit data, no parity
//------------------------------------

Serial pc(USBTX, USBRX);
Serial skywire(PA_9, PA_10);  //Nucleo Boards
//Serial skywire(PTC17, PTC16);    //K64 FRDM

DigitalOut myled(LED1);

DigitalOut skywire_en(PA_6);    //Nucleo
DigitalOut skywire_rts(PA_7);

//DigitalOut skywire_en(PTD3);    //K64 FRDM
//DigitalOut skywire_rts(PTD2);

char c;

int main()
{
    skywire.baud(115200);
    pc.baud(115200);
    skywire_rts=0;
    pc.printf("Hello World !\n");
    myled=0;
    skywire_en=0;
    wait(1);
    skywire_en=1;
    wait(1);

    myled=1;
    while(1) {
        if(skywire.readable()) {
            c = skywire.getc();
            //skywire.putc(c);
            pc.putc(c);
        }
        if(pc.readable()) {
            c = pc.getc();
            skywire.putc(c);
            //pc.putc(c);
        }
    }
}