III. Functions
- Table of Contents
- 6. Core
openusb_init, openusb_fini -- Initialize or destroy a libopenusb instanceopenusb_set_debug -- Set debug informationopenusb_set_event_callback, openusb_coldplug_callbacks_done -- Set event callbacks or Waiting for coldplug events completionopenusb_set_default_timeout -- Set default timeout for USB transfer
- 7. Bus and Device Operations
openusb_get_busid_list, openusb_free_busid_list -- Return all busids in the system, Free returned busidsopenusb_get_devids_by_bus, openusb_get_devids_by_vendor,
openusb_get_devids_by_class, openusb_free_devid_list -- Return all devids matching a pattern, Free returned devidsopenusb_get_device_data,openusb_free_device_data -- Get a device's data, Free the device dataopenusb_open_device,openusb_close_device -- Open/Close a deviceopenusb_get_devid -- Extract device ID from a device handleopenusb_get_lib_handle -- Extract openusb handle from a device handleopenusb_get_max_xfer_size -- Get the maximum data transfer size per request based on the bus
and type
openusb_get_configuration, openusb_set_configuration -- Get the current bConfigurationValue of a device,
Set a device's bConfigurationValueopenusb_claim_interface, openusb_release_interface,
openusb_is_interface_claimed -- Claim interface exclusively, Release an interface,
Check if an interface has been claimedopenusb_get_altsetting,openusb_set_altsetting -- Get alternate setting number, Set alternate settingopenusb_reset -- Reset device
- 8. Device Descriptor Parsers
openusb_get_raw_desc, openusb_free_raw_desc, openusb_parse_device_desc,
openusb_parse_config_desc, openusb_parse_interface_desc, openusb_parse_endpoint_desc
-- Get/Free raw device descriptors; Get cooked Device, Configuration, Interface,
Endpoint descriptors openusb_parse_data -- Unpack arbitrary little endian raw data
- 9. USB Data Transfer
openusb_xfer_wait, openusb_xfer_aio -- Issue synchronous I/O request, Issue asynchronous I/O request openusb_ctrl_xfer, openusb_intr_xfer, openusb_bulk_xfer, openusb_isoc_xfer -- Issue synchronous Control, Interrupt, Bulk, Isochronous request openusb_abort -- Abort previous I/O requestopenusb_wait, openusb_poll -- Wait for I/O request completion, Poll completion status of I/O requestopenusb_start, openusb_stop -- Start multi-xfer mode I/O; Stop multi-xfer mode I/O
- 10. Helper Utilities
openusb_strerror -- Return english text corresponding to an error codeopenusb_cpu_to_le16,openusb_cpu_to_le32 -- Convert data from CPU endianess to Little Endianopenusb_le16_to_cpu,openusb_le32_to_cpu -- Convert data from little endian to CPU byte order.