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RL-ARM User's Guide (MDK v4)
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RL-USB for USB Host Applications
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HID_Kbd Example
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Create USB Host Class Driver
RL-USB Host Constants and Structures
Error constants
Speed constants
Transaction Packet Type constants
Transaction Error Type constants
USB Request Block structure (USBH_URB)
Endpoint structure (USBH_EP)
Driver Capabilites structure (USBH_HCI_CAP)
Device Class Instance structure (USBH_DCI)
Host Controller Instance structure (USBH_HCI)
Host Controller Driver structure (USBH_HCD)
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Library Reference
Appendix
Host Controller Instance structure (USBH_HCI)
Host Controller Instance (USBH_HCI) structure represents an instance of host controller that USB Host Core has mounted.
typedef struct { /* Host Controller Instance structure */
USBH_HCI_CAP Cap; /* Host Ctrl Driver Inst Capabilities */
U32 PortCon; /* Port connected map */
U8 LastDevAdr; /* Last addressed device address */
USBH_EP EP0; /* Endpoint 0 */
U32 LastError; /* Last Error */
} USBH_HCI;
Explanation of USBH_HCI structure elements:
- Cap represents the host controller instance driver capabilities.
- PortCon represents the port connection bitmap for the host controller instance.
- LastDevAdr represents the last enumerated device address used by the host controller instance.
- EP0 represents the Control Endpoint 0 used by the host controller instance.
- LastError represents last error that happened on the host controller instance.
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