Basic USB host functionality in place

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3236 42af7a65-404d-4744-a932-0658087f49c3

include/nuttx/usb/ohci.h

@@ -401,7 +401,7 @@ struct ohci_gtd_s
 
 struct ohci_itd_s
 {
-  volatile uint32_t status;        /* TD status/control bits */
+  volatile uint32_t ctrl;          /* TD status/control bits */
   volatile uint32_t bp0;           /* Buffer page 0 (BP0 */
   volatile uint32_t nexttd;        /* Next TD (NextTD) */
   volatile uint32_t be;            /* Buffer End (BE) */

include/nuttx/usb/usbhost.h

@@ -526,10 +526,10 @@ struct usbhost_driver_s
 struct usbhost_epdesc_s
 {
   uint8_t  addr     : 4; /* Endpoint address */
-  uint8_t  pad1     : 3;
+  uint8_t  pad      : 3;
   uint8_t  in       : 1; /* Direction: 1->IN */
   uint8_t  funcaddr : 7; /* USB address of function containing endpoint */
-  uint8_t  pad2     : 1;
+  uint8_t  toggle   : 1; /* Last toggle (modified by the driver) */
   uint16_t mxpacketsize; /* Max packetsize */
 };