File content as of revision 2:4ffe049e7231:

#include "mbed.h"
#include "MODSERIAL.h"

DigitalOut grled(LED_GREEN);
DigitalOut rdled(LED_RED);
DigitalOut blled(LED_BLUE);
MODSERIAL pc(USBTX, USBRX);
char c;
int Ticker;

void ticking(bool& a)
{
    a = !a;
}

int main()
{
    int i = 0;
    pc.baud(115200);
    pc.printf("Hello World!\n");
    
    while(true){
    {
        c = pc.getc();
        pc.printf("%c", c); // print the value of variable i
        switch (c)
        {
            case 'r' :
            rdled = false;
            grled = true;
            blled = true;
            break;
            case 'b' :
            rdled = true;
            grled = true;
            blled = false;
            break;
            case 'g' :
            rdled = true;
            grled = false;
            blled = true;
            break;
        }
        wait(0.1f);
    }
    }
}