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Technical Support
On-Line Manuals
RL-ARM User's Guide (MDK v4)
RL-RTX
RL-FlashFS
RL-TCPnet
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RL-USB
RL-USB for USB Device Applications
RL-USB Device Library
RL-USB Device Features
RL-USB Device Software Stack
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RL-USB Device Source Files
RL-USB Device Configuration
Audio Device (ADC) Options
Communication Device (CDC) - ACM Options
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Create USB Device Applications
Create ADC Applications
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Create HID Applications
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Create Composite Applications
Test USB Device Applications
Compliance Tests
Test HID Client Application
RL-USB for USB Host Applications
RL-USB Host Library
RL-USB Host Features
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RL-USB Host Source Files
RL-USB Host Configuration
Host Controller Driver Selection
Host Controller Driver Configuration
Host Class Driver Selection
Create USB Host Applications
Create USB Host HID Applications
HID_Kbd Example
Create USB Host MSC Applications
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)
USB Concepts
USB Transfer Rates
USB Network
Basic Communication Model
USB Protocol
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Interface Descriptor
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Example Programs
Library Reference
Appendix
Endpoint structure (USBH_EP)
EndPoint (USBH_EP) structure represents an endpoint that USB Host Core has in use.
typedef __packed struct { /* Endpoint settings structure */
U32 Handle; /* Handle to Endpoint */
__packed union {
U32 Para; /* Endpoint parameters */
__packed struct {
U8 Address : 8; /* Endpoint communication address */
U8 Speed : 8; /* Endpoint communication speed */
};
};
USB_ENDPOINT_DESCRIPTOR Descriptor; /* Endpoint Descriptor */
} USBH_EP;
Explanation of USBH_EP structure elements:
- Handle represents the handle (pointer to element providing endpoint functionality) of the endpoint.
- Para represents the parameters of the endpoint communication.
-
- Address represents the address of the device that endpoint is communicating with.
- Speed represents the speed at which endpoint is communicating.
- Descriptor represents the endpoint descriptor according to the USB Specification.
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