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:
20:8f510a2502ef
Parent:
19:bd46ea19486b
Child:
24:868cbfe611a7
--- a/USBHostSerial/USBHostSerial.cpp	Mon Dec 16 09:00:18 2013 +0000
+++ b/USBHostSerial/USBHostSerial.cpp	Mon Dec 16 09:15:21 2013 +0000
@@ -84,7 +84,7 @@
 
 /*virtual*/ bool USBHostSerial::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
 {
-    if ((ports_found < USBHOST_MAXSERIAL) && 
+    if (!ports_found && 
         CHECK_INTERFACE(intf_class, intf_subclass, intf_protocol)) {
         port_intf = intf_nb;
         ports_found = true;