updsted the USB to persuade it to build for the Dragonfly platfom

Fork of USBDevice by mbed official

Revision:
72:e5c300b1df2f
Parent:
51:deafa44182d9
--- a/USBMSD/USBMSD.cpp	Thu Jul 27 12:14:04 2017 +0100
+++ b/USBMSD/USBMSD.cpp	Fri May 11 09:07:29 2018 +0000
@@ -64,6 +64,12 @@
 
 
 USBMSD::USBMSD(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {
+
+
+extern int USBMSD_USBMSD_InstCount;  // debug BL
+++USBMSD_USBMSD_InstCount;  // debug BL
+
+
     stage = READ_CBW;
     memset((void *)&cbw, 0, sizeof(CBW));
     memset((void *)&csw, 0, sizeof(CSW));
@@ -104,6 +110,7 @@
 
 
 bool USBMSD::connect(bool blocking) {
+printf("USBMSD::connect\r\n");
     //disk initialization
     if (disk_status() & NO_INIT) {
         if (disk_initialize()) {