I added the Isochronous to USBHost library. The Isochronous code based on the following. http://developer.mbed.org/users/va009039/code/USBHostC270_example/

Dependencies:   FATFileSystem mbed-rtos

Fork of USBHost_AddIso by GR-PEACH_producer_meeting

Revision:
33:bf48dc2a4240
Parent:
31:271fcfd7cfc2
--- a/USBHost/USBHost.cpp	Fri Oct 16 11:13:01 2015 +0000
+++ b/USBHost/USBHost.cpp	Mon Apr 18 10:01:46 2016 +0000
@@ -307,7 +307,7 @@
     do {
         volatile HCTD* td = (volatile HCTD*)addr;
         addr = (uint32_t)td->nextTD; //Dequeue from physical list
-        td->nextTD = tdList; //Enqueue into reversed list
+        td->nextTD = (hcTd*)tdList; //Enqueue into reversed list
         tdList = td;
     } while(addr);