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:
62:c1549af978d6
Parent:
46:378357d7e90d
--- a/USBDevice/USBHAL_RZ_A1H.cpp	Thu Feb 18 09:45:59 2016 +0000
+++ b/USBDevice/USBHAL_RZ_A1H.cpp	Fri Apr 29 01:16:25 2016 +0100
@@ -23,7 +23,7 @@
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#if defined(TARGET_RZ_A1H)
+#if defined(TARGET_RZ_A1H) || defined(TARGET_VK_RZ_A1H)
 
 /*
   This class can use the pipe1, pipe3 and pipe6 only. You should