This chapter includes descriptions of the USB functions in
alphabetical order, along with a listing of
the functions arranged by category.
 |
These functions are defined in the libusbdi library.
Use the -l usbdi option to link against this library. |
This chapter includes the following:
usbd_abort_pipe()
usbd_alloc()
usbd_alloc_urb()
usbd_args_lookup()
usbd_attach()
usbd_close_pipe()
usbd_configuration_descriptor()
usbd_connect()
usbd_descriptor()
usbd_detach()
usbd_device_descriptor()
usbd_device_extra()
usbd_device_lookup()
usbd_disconnect()
usbd_endpoint_descriptor()
usbd_feature()
usbd_free()
usbd_free_urb()
usbd_get_frame()
usbd_hcd_ext_info(), usbd_hcd_info()
usbd_hub_descriptor()
usbd_interface_descriptor()
usbd_io()
usbd_languages_descriptor()
usbd_mphys()
usbd_open_pipe()
usbd_parse_descriptors()
usbd_pipe_device()
usbd_pipe_endpoint()
usbd_reset_device()
usbd_reset_pipe()
usbd_select_config()
usbd_select_interface()
usbd_setup_bulk()
usbd_setup_control()
usbd_setup_interrupt()
usbd_setup_isochronous()
usbd_setup_vendor()
usbd_status()
usbd_string()
usbd_topology(), usbd_topology_ext()
usbd_urb_status()
The USB functions may be grouped into these categories:
- usbd_connect()
- Connect a client driver to the USB stack.
- usbd_disconnect()
- Disconnect a client driver from the USB stack.
- usbd_attach()
- Attach to a USB device.
- usbd_detach()
- Detach from a USB device.
- usbd_alloc()
- Allocate memory area to use for data transfers.
- usbd_free()
- Free memory allocated by usbd_alloc().
- usbd_mphys()
- Get the physical address of memory allocated by usbd_alloc().
- usbd_alloc_urb()
- Allocate a USB Request Block for subsequent URB-based operations.
- usbd_free_urb()
- Free the URB allocated by usbd_alloc_urb().
- usbd_setup_bulk()
- Set up a URB for a bulk data transfer.
- usbd_setup_interrupt()
- Set up a URB for an interrupt transfer.
- usbd_setup_isochronous()
- Set up a URB for an isochronous transfer.
- usbd_setup_vendor()
- Set up a URB for a vendor-specific transfer.
- usbd_setup_control()
- Set up a URB for a control transfer.
- usbd_io()
- Submit a previously set up URB to the USB stack.
- usbd_feature()
- Control a feature for a USB device.
- usbd_descriptor()
- Get or set USB descriptors.
- usbd_status()
- Get specific device status.
- usbd_open_pipe()
- Initialize the pipe described by the device or endpoint descriptor.
- usbd_close_pipe()
- Close a pipe previously opened by the usbd_open_pipe() function.
- usbd_reset_pipe()
- Clear a stall condition on an endpoint identified by the pipe handle.
- usbd_abort_pipe()
- Abort all requests on a pipe.
- usbd_pipe_device()
- Retrieve the device associated with the pipe.
- usbd_pipe_endpoint()
- Retrieve the endpoint number associated with the pipe.
- usbd_select_config()
- Select the configuration for a USB device.
- usbd_select_interface()
- Select the interface for a USB device.
- usbd_args_lookup()
- Look up a driver's command-line arguments.
- usbd_configuration_descriptor()
- Get the configuration descriptor for a specific configuration setting.
- usbd_device_lookup()
- Map the device instance identifier to an opaque device handle (from usbd_attach()).
- usbd_device_extra()
- Retrieve a pointer to the device-specific extra memory allocated by usbd_attach().
- usbd_device_descriptor()
- Get the device descriptor for a specific device.
- usbd_endpoint_descriptor()
- Get the endpoint descriptor for a specific endpoint setting.
- usbd_get_frame()
- Get the current frame number and frame length for a device.
- usbd_hcd_ext_info(), usbd_hcd_info()
- Get information on the USB host controller and DDK library.
- usbd_hub_descriptor()
- Get the hub descriptor for a specific (hub) device.
- usbd_interface_descriptor()
- Get the interface descriptor for a specific interface setting.
- usbd_languages_descriptor()
- Get the table of supported LANGIDs for the given device.
- usbd_parse_descriptors()
- Parse device descriptors looking for a specific entry.
- usbd_reset_device()
- Reset a USB device.
- usbd_string()
- Get a string descriptor.
- usbd_urb_status()
- Return status information on a URB.
- usbd_topology(), usbd_topology_ext()
- Get the USB bus physical topology.