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:
17:bbd6dac92961
Parent:
11:eeb3cbbaa996
Child:
18:78bdbce94509
--- a/USBDevice/USBDevice.cpp	Thu Dec 05 13:00:15 2013 +0000
+++ b/USBDevice/USBDevice.cpp	Thu Jan 23 17:30:20 2014 +0000
@@ -926,7 +926,7 @@
     static uint8_t stringLangidDescriptor[] = {
         0x04,               /*bLength*/
         STRING_DESCRIPTOR,  /*bDescriptorType 0x03*/
-        0x09,0x00,          /*bString Lang ID - 0x009 - English*/
+        0x09,0x04,          /*bString Lang ID - 0x0409 - English*/
     };
     return stringLangidDescriptor;
 }