Temporary fix: mitm mode use EP 4-6
diff --git a/sam3s_example/simtrace/usb.c b/sam3s_example/simtrace/usb.c
index e81b47f..46f0926 100644
--- a/sam3s_example/simtrace/usb.c
+++ b/sam3s_example/simtrace/usb.c
@@ -492,14 +492,17 @@
         0, 
         0, /* FIXME: string descriptor for this interface */
     },
+#define DATAOUT_2   DATAOUT+3
+#define DATAIN_2    DATAIN+3
+#define INT_2       INT+3
     /* Bulk-OUT endpoint standard descriptor */
     {
         sizeof(USBEndpointDescriptor),
         USBGenericDescriptor_ENDPOINT,
         USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_OUT,
-                                      DATAOUT),
+                                      DATAOUT_2),
         USBEndpointDescriptor_BULK,
-        MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAOUT),
+        MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAOUT_2),
             USBEndpointDescriptor_MAXBULKSIZE_FS),
         0 /* Must be 0 for full-speed bulk endpoints */
     },
@@ -508,9 +511,9 @@
         sizeof(USBEndpointDescriptor),
         USBGenericDescriptor_ENDPOINT,
         USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_IN,
-                                      DATAIN),
+                                      DATAIN_2),
         USBEndpointDescriptor_BULK,
-        MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAIN),
+        MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAIN_2),
             USBEndpointDescriptor_MAXBULKSIZE_FS),
         0 /* Must be 0 for full-speed bulk endpoints */
     },
@@ -518,9 +521,9 @@
     {
         sizeof(USBEndpointDescriptor),
         USBGenericDescriptor_ENDPOINT,
-        USBEndpointDescriptor_ADDRESS( USBEndpointDescriptor_IN, INT ),
+        USBEndpointDescriptor_ADDRESS( USBEndpointDescriptor_IN, INT_2 ),
         USBEndpointDescriptor_INTERRUPT,
-        MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(INT),
+        MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(INT_2),
             USBEndpointDescriptor_MAXINTERRUPTSIZE_FS),
         0x10
     }