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:
18:78bdbce94509
Parent:
14:d495202c90f4
Child:
25:7c72828865f3
--- a/USBMSD/USBMSD.h	Thu Jan 23 17:30:20 2014 +0000
+++ b/USBMSD/USBMSD.h	Tue Feb 18 11:00:19 2014 +0000
@@ -70,9 +70,10 @@
     /**
     * Connect the USB MSD device. Establish disk initialization before really connect the device.
     *
+    * @param blocking if not configured
     * @returns true if successful
     */
-    bool connect();
+    bool connect(bool blocking = true);
 
     /**
     * Disconnect the USB MSD device.