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:
17:bbd6dac92961
Child:
25:7c72828865f3
--- a/USBDevice/USBDevice.cpp	Thu Jan 23 17:30:20 2014 +0000
+++ b/USBDevice/USBDevice.cpp	Tue Feb 18 11:00:19 2014 +0000
@@ -703,12 +703,15 @@
     return (device.state == CONFIGURED);
 }
 
-void USBDevice::connect(void)
+void USBDevice::connect(bool blocking)
 {
     /* Connect device */
     USBHAL::connect();
-    /* Block if not configured */
-    while (!configured());
+    
+    if (blocking) {
+        /* Block if not configured */
+        while (!configured());
+    }
 }
 
 void USBDevice::disconnect(void)