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Technical Support
On-Line Manuals
RL-ARM User's Guide
RL-RTX
RL-FlashFS
RL-TCPnet
RL-CAN
RL-USB
RL-USB for USB Device Applications
RL-USB Device Library
RL-USB Device Features
RL-USB Device Software Stack
RL-USB Device Functions
RL-USB Device Source Files
RL-USB Device Configuration
Audio Device (ADC) Options
Communication Device (CDC) - ACM Options
Human Interface Device (HID) Options
Mass Storage Device (MSC) Options
Create USB Device Applications
Create ADC Applications
Create CDC ACM Applications
Create HID Applications
Create MSC Applications
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
RL-USB Host Software Stack
RL-USB Host Functions
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
Control Transfer
Interrupt Transfer
Isochronous Transfer
Bulk Transfer
Descriptors
Device Configuration
Device Descriptor
Configuration Descriptor
Interface Descriptor
Endpoint Descriptor
Device Qualifier Descriptor
Example Programs
Library Reference
Appendix
RL-ARM User's Guide
Create Composite Applications
Create Composite Applications explains how to program a USB Device that supports more class functions. Composite applications combine various USB functionalities into one device.
Include into the project and configure the following RL-USB Device Source Files:
-
The library that matches the device core:
USB_CM1.lib - for Cortex-M1 devices.
USB_CM3.lib - for Cortex-M3 devices.
USB_ARM_L.lib - for ARM7 or ARM9 devices. - usb_config.c - to configure the USB system.
- special files - provide special files. For example, disk image file - for MSC support, driver information file - for CDC support.
- usbd_device family.c(.h) - to configure the device hardware layer.
- usbd_user_xxx.c - to adapt the code to the application needs.
-
USBD_Demo.c - to initialize and connect the USB Client
device from main().
.. usbd_init(); // USB Initialization usbd_connect(__TRUE); // USB Connect ..
Applications can be created using existing µVision projects. For example, to create a HID and MSC device:
- Copy all files from any folder \ARM\Boards\Vendor\BoardName\RL\USB\Device\Memory to a new folder and open the project *.uvproj with µVision.
-
Copy the file usbd_user_hid.c from an existing HID
project and include the file into this new project. The project
should now contain the files usbd_user_hid.c and
usbd_user_msc.c.
- Open the file usb_config.c and configure the USB device with the Configuration Wizard.
-
Enable USB Device and set the device characteristics.
-
Enable Class Support, Human Interface Device
(HID), Mass Storage Device (MSC), and set the
characteristics.
- Optionally, adapt the source file usbd_device family.c that contains hardware dependent code.
- Adapt the code in usbd_user_hid.c and usbd_user_msc.c to the application needs.
Note
- The configuration options are explained in RL-USB Device Configuration.
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