update usb examples for usb-device v0.3.1

Author: hacknus

examples/rtic-usb-cdc-echo.rs

@@ -73,10 +73,12 @@ mod app {
             unsafe { USB_BUS.as_ref().unwrap() },
             UsbVidPid(0x16c0, 0x27dd),
         )
-        .manufacturer("rust embedded")
-        .product("usb echo server")
-        .serial_number("4242")
         .device_class(usbd_serial::USB_CLASS_CDC)
+        .strings(&[StringDescriptors::default()
+            .manufacturer("Fake Company")
+            .product("Product")
+            .serial_number("TEST")])
+        .unwrap()
         .build();
 
         (

examples/usb-serial-irq.rs

@@ -50,10 +50,12 @@ fn main() -> ! {
 
         *G_USB_DEVICE.borrow(cs).borrow_mut() = Some(
             UsbDeviceBuilder::new(usb_bus, UsbVidPid(0x16c0, 0x27dd))
-                .manufacturer("Fake company")
-                .product("Serial port")
-                .serial_number("TEST")
                 .device_class(usbd_serial::USB_CLASS_CDC)
+                .strings(&[StringDescriptors::default()
+                    .manufacturer("Fake Company")
+                    .product("Product")
+                    .serial_number("TEST")])
+                .unwrap()
                 .build(),
         );
     });

examples/usb-serial-poll.rs

@@ -38,10 +38,12 @@ fn main() -> ! {
     let mut serial = usbd_serial::SerialPort::new(&usb_bus);
 
     let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x16c0, 0x27dd))
-        .manufacturer("Fake company")
-        .product("Serial port")
-        .serial_number("TEST")
         .device_class(usbd_serial::USB_CLASS_CDC)
+        .strings(&[StringDescriptors::default()
+            .manufacturer("Fake Company")
+            .product("Product")
+            .serial_number("TEST")])
+        .unwrap()
         .build();
 
     loop {