USB device stack; Added getter method for terminal_connected;

Fork of USBDevice by mbed official

Example of use:

#include "mbed.h"
#include "USBSerial.h"

USBSerial  pc;
DigitalOut blue_led(P0_20);

int main() {
    blue_led = 1;
    while(!pc.getTerminal_connected()); //Wait for serial terminal to connect...
    while(1) {
        blue_led = 0;
        wait(0.2);
        blue_led = 1;
        wait(0.2);
    }
}
Revision:
3:6d85e04fb59f
Parent:
1:80ab0d068708
Child:
5:d27e4c226965
--- a/USBMSD/USBMSD.cpp	Tue Jul 17 14:35:40 2012 +0000
+++ b/USBMSD/USBMSD.cpp	Sun Oct 14 12:38:56 2012 +0000
@@ -452,6 +452,10 @@
                             }
                         }
                         break;
+                    case MEDIA_REMOVAL:
+                        csw.Status = CSW_PASSED;
+                        sendCSW();
+                        break;
                     default:
                         fail();
                         break;