--- /dev/null
+! Copyright (C) 2010 Erik Charlebois.
+! See http://factorcode.org/license.txt for BSD license.
+USING: accessors alien alien.c-types alien.libraries
+alien.syntax classes.struct combinators endian io.binary
+kernel locals math sequences specialized-arrays
+system unix.time unix.types ;
+FROM: alien.c-types => short ;
+IN: libusb
+
+<< "libusb" {
+ { [ os windows? ] [ "libusb-1.0.dll" ] }
+ { [ os macosx? ] [ "libusb-1.0.dylib" ] }
+ { [ os unix? ] [ "libusb-1.0.so" ] }
+ } cond "cdecl" add-library >>
+LIBRARY: libusb
+
+: libusb_cpu_to_le16 ( x -- y )
+ 2 >native-endian le> ; inline
+
+ALIAS: libusb_le16_to_cpu libusb_cpu_to_le16
+
+CONSTANT: LIBUSB_CLASS_PER_INTERFACE 0
+CONSTANT: LIBUSB_CLASS_AUDIO 1
+CONSTANT: LIBUSB_CLASS_COMM 2
+CONSTANT: LIBUSB_CLASS_HID 3
+CONSTANT: LIBUSB_CLASS_PRINTER 7
+CONSTANT: LIBUSB_CLASS_PTP 6
+CONSTANT: LIBUSB_CLASS_MASS_STORAGE 8
+CONSTANT: LIBUSB_CLASS_HUB 9
+CONSTANT: LIBUSB_CLASS_DATA 10
+CONSTANT: LIBUSB_CLASS_VENDOR_SPEC HEX: ff
+TYPEDEF: int libusb_class_code
+
+CONSTANT: LIBUSB_DT_DEVICE HEX: 01
+CONSTANT: LIBUSB_DT_CONFIG HEX: 02
+CONSTANT: LIBUSB_DT_STRING HEX: 03
+CONSTANT: LIBUSB_DT_INTERFACE HEX: 04
+CONSTANT: LIBUSB_DT_ENDPOINT HEX: 05
+CONSTANT: LIBUSB_DT_HID HEX: 21
+CONSTANT: LIBUSB_DT_REPORT HEX: 22
+CONSTANT: LIBUSB_DT_PHYSICAL HEX: 23
+CONSTANT: LIBUSB_DT_HUB HEX: 29
+TYPEDEF: int libusb_descriptor_type
+
+CONSTANT: LIBUSB_DT_DEVICE_SIZE 18
+CONSTANT: LIBUSB_DT_CONFIG_SIZE 9
+CONSTANT: LIBUSB_DT_INTERFACE_SIZE 9
+CONSTANT: LIBUSB_DT_ENDPOINT_SIZE 7
+CONSTANT: LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
+CONSTANT: LIBUSB_DT_HUB_NONVAR_SIZE 7
+
+CONSTANT: LIBUSB_ENDPOINT_ADDRESS_MASK HEX: 0f
+CONSTANT: LIBUSB_ENDPOINT_DIR_MASK HEX: 80
+
+CONSTANT: LIBUSB_ENDPOINT_IN HEX: 80
+CONSTANT: LIBUSB_ENDPOINT_OUT HEX: 00
+TYPEDEF: int libusb_endpoint_direction
+
+CONSTANT: LIBUSB_TRANSFER_TYPE_MASK HEX: 03
+
+CONSTANT: LIBUSB_TRANSFER_TYPE_CONTROL 0
+CONSTANT: LIBUSB_TRANSFER_TYPE_ISOCHRONOUS 1
+CONSTANT: LIBUSB_TRANSFER_TYPE_BULK 2
+CONSTANT: LIBUSB_TRANSFER_TYPE_INTERRUPT 3
+TYPEDEF: int libusb_transfer_type
+
+CONSTANT: LIBUSB_REQUEST_GET_STATUS HEX: 00
+CONSTANT: LIBUSB_REQUEST_CLEAR_FEATURE HEX: 01
+CONSTANT: LIBUSB_REQUEST_SET_FEATURE HEX: 03
+CONSTANT: LIBUSB_REQUEST_SET_ADDRESS HEX: 05
+CONSTANT: LIBUSB_REQUEST_GET_DESCRIPTOR HEX: 06
+CONSTANT: LIBUSB_REQUEST_SET_DESCRIPTOR HEX: 07
+CONSTANT: LIBUSB_REQUEST_GET_CONFIGURATION HEX: 08
+CONSTANT: LIBUSB_REQUEST_SET_CONFIGURATION HEX: 09
+CONSTANT: LIBUSB_REQUEST_GET_INTERFACE HEX: 0A
+CONSTANT: LIBUSB_REQUEST_SET_INTERFACE HEX: 0B
+CONSTANT: LIBUSB_REQUEST_SYNCH_FRAME HEX: 0C
+TYPEDEF: int libusb_standard_request
+
+CONSTANT: LIBUSB_REQUEST_TYPE_STANDARD HEX: 00
+CONSTANT: LIBUSB_REQUEST_TYPE_CLASS HEX: 20
+CONSTANT: LIBUSB_REQUEST_TYPE_VENDOR HEX: 40
+CONSTANT: LIBUSB_REQUEST_TYPE_RESERVED HEX: 60
+
+CONSTANT: LIBUSB_RECIPIENT_DEVICE HEX: 00
+CONSTANT: LIBUSB_RECIPIENT_INTERFACE HEX: 01
+CONSTANT: LIBUSB_RECIPIENT_ENDPOINT HEX: 02
+CONSTANT: LIBUSB_RECIPIENT_OTHER HEX: 03
+TYPEDEF: int libusb_request_recipient
+
+CONSTANT: LIBUSB_ISO_SYNC_TYPE_MASK HEX: 0C
+
+CONSTANT: LIBUSB_ISO_SYNC_TYPE_NONE 0
+CONSTANT: LIBUSB_ISO_SYNC_TYPE_ASYNC 1
+CONSTANT: LIBUSB_ISO_SYNC_TYPE_ADAPTIVE 2
+CONSTANT: LIBUSB_ISO_SYNC_TYPE_SYNC 3
+TYPEDEF: int libusb_iso_sync_type
+
+CONSTANT: LIBUSB_ISO_USAGE_TYPE_MASK HEX: 30
+
+CONSTANT: LIBUSB_ISO_USAGE_TYPE_DATA 0
+CONSTANT: LIBUSB_ISO_USAGE_TYPE_FEEDBACK 1
+CONSTANT: LIBUSB_ISO_USAGE_TYPE_IMPLICIT 2
+TYPEDEF: int libusb_iso_usage_type
+
+STRUCT: libusb_device_descriptor
+ { bLength uint8_t }
+ { bDescriptorType uint8_t }
+ { bcdUSB uint16_t }
+ { bDeviceClass uint8_t }
+ { bDeviceSubClass uint8_t }
+ { bDeviceProtocol uint8_t }
+ { bMaxPacketSize0 uint8_t }
+ { idVendor uint16_t }
+ { idProduct uint16_t }
+ { bcdDevice uint16_t }
+ { iManufacturer uint8_t }
+ { iProduct uint8_t }
+ { iSerialNumber uint8_t }
+ { bNumConfigurations uint8_t } ;
+
+STRUCT: libusb_endpoint_descriptor
+ { bLength uint8_t }
+ { bDescriptorType uint8_t }
+ { bEndpointAddress uint8_t }
+ { bmAttributes uint8_t }
+ { wMaxPacketSize uint16_t }
+ { bInterval uint8_t }
+ { bRefresh uint8_t }
+ { bSynchAddress uint8_t }
+ { extra uchar* }
+ { extra_length int } ;
+
+STRUCT: libusb_interface_descriptor
+ { bLength uint8_t }
+ { bDescriptorType uint8_t }
+ { bInterfaceNumber uint8_t }
+ { bAlternateSetting uint8_t }
+ { bNumEndpoints uint8_t }
+ { bInterfaceClass uint8_t }
+ { bInterfaceSubClass uint8_t }
+ { bInterfaceProtocol uint8_t }
+ { iInterface uint8_t }
+ { endpoint libusb_endpoint_descriptor* }
+ { extra uchar* }
+ { extra_length int } ;
+
+STRUCT: libusb_interface
+ { altsetting libusb_interface_descriptor* }
+ { num_altsetting int } ;
+
+STRUCT: libusb_config_descriptor
+ { bLength uint8_t }
+ { bDescriptorType uint8_t }
+ { wTotalLength uint16_t }
+ { bNumInterfaces uint8_t }
+ { bConfigurationValue uint8_t }
+ { iConfiguration uint8_t }
+ { bmAttributes uint8_t }
+ { MaxPower uint8_t }
+ { interface libusb_interface* }
+ { extra uchar* }
+ { extra_length int } ;
+
+STRUCT: libusb_control_setup
+ { bmRequestType uint8_t }
+ { bRequest uint8_t }
+ { wValue uint16_t }
+ { wIndex uint16_t }
+ { wLength uint16_t } ;
+
+: LIBUSB_CONTROL_SETUP_SIZE ( -- x ) libusb_control_setup heap-size ; inline
+
+C-TYPE: libusb_context
+C-TYPE: libusb_device
+C-TYPE: libusb_device_handle
+
+CONSTANT: LIBUSB_SUCCESS 0
+CONSTANT: LIBUSB_ERROR_IO -1
+CONSTANT: LIBUSB_ERROR_INVALID_PARAM -2
+CONSTANT: LIBUSB_ERROR_ACCESS -3
+CONSTANT: LIBUSB_ERROR_NO_DEVICE -4
+CONSTANT: LIBUSB_ERROR_NOT_FOUND -5
+CONSTANT: LIBUSB_ERROR_BUSY -6
+CONSTANT: LIBUSB_ERROR_TIMEOUT -7
+CONSTANT: LIBUSB_ERROR_OVERFLOW -8
+CONSTANT: LIBUSB_ERROR_PIPE -9
+CONSTANT: LIBUSB_ERROR_INTERRUPTED -10
+CONSTANT: LIBUSB_ERROR_NO_MEM -11
+CONSTANT: LIBUSB_ERROR_NOT_SUPPORTED -12
+CONSTANT: LIBUSB_ERROR_OTHER -99
+TYPEDEF: int libusb_error
+
+C-ENUM:
+ LIBUSB_TRANSFER_COMPLETED
+ LIBUSB_TRANSFER_ERROR
+ LIBUSB_TRANSFER_TIMED_OUT
+ LIBUSB_TRANSFER_CANCELLED
+ LIBUSB_TRANSFER_STALL
+ LIBUSB_TRANSFER_NO_DEVICE
+ LIBUSB_TRANSFER_OVERFLOW ;
+TYPEDEF: int libusb_transfer_status
+
+CONSTANT: LIBUSB_TRANSFER_SHORT_NOT_OK 1
+CONSTANT: LIBUSB_TRANSFER_FREE_BUFFER 2
+CONSTANT: LIBUSB_TRANSFER_FREE_TRANSFER 4
+TYPEDEF: int libusb_transfer_flags
+
+STRUCT: libusb_iso_packet_descriptor
+ { length uint }
+ { actual_length uint }
+ { status libusb_transfer_status } ;
+SPECIALIZED-ARRAY: libusb_iso_packet_descriptor
+
+C-TYPE: libusb_transfer
+
+CALLBACK: void libusb_transfer_cb_fn ( libusb_transfer* transfer ) ;
+
+STRUCT: libusb_transfer
+ { dev_handle libusb_device_handle* }
+ { flags uint8_t }
+ { endpoint uchar }
+ { type uchar }
+ { timeout uint }
+ { status libusb_transfer_status }
+ { length int }
+ { actual_length int }
+ { callback libusb_transfer_cb_fn }
+ { user_data void* }
+ { buffer uchar* }
+ { num_iso_packets int }
+ { iso_packet_desc libusb_iso_packet_descriptor[0] } ;
+
+FUNCTION: int libusb_init ( libusb_context** ctx ) ;
+FUNCTION: void libusb_exit ( libusb_context* ctx ) ;
+FUNCTION: void libusb_set_debug ( libusb_context* ctx, int level ) ;
+
+FUNCTION: ssize_t libusb_get_device_list ( libusb_context* ctx, libusb_device*** list ) ;
+FUNCTION: void libusb_free_device_list ( libusb_device** list, int unref_devices ) ;
+FUNCTION: libusb_device* libusb_ref_device ( libusb_device* dev ) ;
+FUNCTION: void libusb_unref_device ( libusb_device* dev ) ;
+
+FUNCTION: int libusb_get_configuration ( libusb_device_handle* dev, int* config ) ;
+FUNCTION: int libusb_get_device_descriptor ( libusb_device* dev, libusb_device_descriptor* desc ) ;
+FUNCTION: int libusb_get_active_config_descriptor ( libusb_device* dev, libusb_config_descriptor** config ) ;
+FUNCTION: int libusb_get_config_descriptor ( libusb_device* dev, uint8_t config_index, libusb_config_descriptor** config ) ;
+FUNCTION: int libusb_get_config_descriptor_by_value ( libusb_device* dev, uint8_t bConfigurationValue, libusb_config_descriptor** config ) ;
+FUNCTION: void libusb_free_config_descriptor ( libusb_config_descriptor* config ) ;
+FUNCTION: uint8_t libusb_get_bus_number ( libusb_device* dev ) ;
+FUNCTION: uint8_t libusb_get_device_address ( libusb_device* dev ) ;
+FUNCTION: int libusb_get_max_packet_size ( libusb_device* dev, uchar endpoint ) ;
+
+FUNCTION: int libusb_open ( libusb_device* dev, libusb_device_handle** handle ) ;
+FUNCTION: void libusb_close ( libusb_device_handle* dev_handle ) ;
+FUNCTION: libusb_device* libusb_get_device ( libusb_device_handle* dev_handle ) ;
+
+FUNCTION: int libusb_set_configuration ( libusb_device_handle* dev, int configuration ) ;
+FUNCTION: int libusb_claim_interface ( libusb_device_handle* dev, int iface ) ;
+FUNCTION: int libusb_release_interface ( libusb_device_handle* dev, int iface ) ;
+
+FUNCTION: libusb_device_handle* libusb_open_device_with_vid_pid ( libusb_context* ctx, uint16_t vendor_id, uint16_t product_id ) ;
+
+FUNCTION: int libusb_set_interface_alt_setting ( libusb_device_handle* dev, int interface_number, int alternate_setting ) ;
+FUNCTION: int libusb_clear_halt ( libusb_device_handle* dev, uchar endpoint ) ;
+FUNCTION: int libusb_reset_device ( libusb_device_handle* dev ) ;
+
+FUNCTION: int libusb_kernel_driver_active ( libusb_device_handle* dev, int interface ) ;
+FUNCTION: int libusb_detach_kernel_driver ( libusb_device_handle* dev, int interface ) ;
+FUNCTION: int libusb_attach_kernel_driver ( libusb_device_handle* dev, int interface ) ;
+
+: libusb_control_transfer_get_data ( transfer -- data )
+ buffer>> LIBUSB_CONTROL_SETUP_SIZE swap <displaced-alien> ; inline
+
+: libusb_control_transfer_get_setup ( transfer -- setup )
+ buffer>> libusb_control_setup memory>struct ; inline
+
+:: libusb_fill_control_setup ( buffer bmRequestType bRequest wValue wIndex wLength -- )
+ buffer libusb_control_setup memory>struct
+ bmRequestType >>bmRequestType
+ bRequest >>bRequest
+ wValue libusb_cpu_to_le16 >>wValue
+ wIndex libusb_cpu_to_le16 >>wIndex
+ wLength libusb_cpu_to_le16 >>wLength drop ; inline
+
+FUNCTION: libusb_transfer* libusb_alloc_transfer ( int iso_packets ) ;
+FUNCTION: int libusb_submit_transfer ( libusb_transfer* transfer ) ;
+FUNCTION: int libusb_cancel_transfer ( libusb_transfer* transfer ) ;
+FUNCTION: void libusb_free_transfer ( libusb_transfer* transfer ) ;
+
+:: libusb_fill_control_transfer ( transfer dev_handle buffer callback user_data timeout -- )
+ transfer
+ dev_handle >>dev_handle
+ 0 >>endpoint
+ LIBUSB_TRANSFER_TYPE_CONTROL >>type
+ timeout >>timeout
+ buffer >>buffer
+ user_data >>user_data
+ callback >>callback
+
+ buffer [
+ libusb_control_setup memory>struct wLength>> LIBUSB_CONTROL_SETUP_SIZE +
+ ] [ 0 ] if* >>length drop ; inline
+
+:: libusb_fill_bulk_transfer ( transfer dev_handle endpoint buffer length callback user_data timeout -- )
+ transfer
+ dev_handle >>dev_handle
+ endpoint >>endpoint
+ LIBUSB_TRANSFER_TYPE_BULK >>type
+ timeout >>timeout
+ buffer >>buffer
+ length >>length
+ user_data >>user_data
+ callback >>callback
+ drop ; inline
+
+:: libusb_fill_interrupt_transfer ( transfer dev_handle endpoint buffer length callback user_data timeout -- )
+ transfer
+ dev_handle >>dev_handle
+ endpoint >>endpoint
+ LIBUSB_TRANSFER_TYPE_INTERRUPT >>type
+ timeout >>timeout
+ buffer >>buffer
+ length >>length
+ user_data >>user_data
+ callback >>callback
+ drop ; inline
+
+:: libusb_fill_iso_transfer ( transfer dev_handle endpoint buffer length num_iso_packets callback user_data timeout -- )
+ transfer
+ dev_handle >>dev_handle
+ endpoint >>endpoint
+ LIBUSB_TRANSFER_TYPE_ISOCHRONOUS >>type
+ timeout >>timeout
+ buffer >>buffer
+ length >>length
+ num_iso_packets >>num_iso_packets
+ user_data >>user_data
+ callback >>callback
+ drop ; inline
+
+: libusb_set_iso_packet_lengths ( transfer length -- )
+ [ [ iso_packet_desc>> >c-ptr ]
+ [ num_iso_packets>> ] bi
+ <direct-libusb_iso_packet_descriptor-array>
+ ] dip [ >>length drop ] curry each ; inline
+
+:: libusb_get_iso_packet_buffer ( transfer packet -- data )
+ packet transfer num_iso_packets>> >=
+ [ f ]
+ [
+ transfer
+ [ iso_packet_desc>> >c-ptr ]
+ [ num_iso_packets>> ] bi
+ <direct-libusb_iso_packet_descriptor-array> 0
+ [ length>> + ] reduce
+ transfer buffer>> <displaced-alien>
+ ] if ;
+
+:: libusb_get_iso_packet_buffer_simple ( transfer packet -- data )
+ packet transfer num_iso_packets>> >=
+ [ f ]
+ [
+ 0 transfer
+ [ iso_packet_desc>> >c-ptr ]
+ [ num_iso_packets>> ] bi
+ <direct-libusb_iso_packet_descriptor-array> nth
+ length>> packet *
+ transfer buffer>> <displaced-alien>
+ ] if ;
+
+FUNCTION: int libusb_control_transfer ( libusb_device_handle* dev_handle,
+ uint8_t request_type, uint8_t request, uint16_t value, uint16_t index,
+ uchar* data, uint16_t length, uint timeout ) ;
+
+FUNCTION: int libusb_bulk_transfer ( libusb_device_handle* dev_handle,
+ uchar endpoint, uchar* data, int length,
+ int* actual_length, uint timeout ) ;
+
+FUNCTION: int libusb_interrupt_transfer ( libusb_device_handle* dev_handle,
+ uchar endpoint, uchar* data, int length,
+ int* actual_length, int timeout ) ;
+
+:: libusb_get_descriptor ( dev desc_type desc_index data length -- int )
+ dev LIBUSB_ENDPOINT_IN LIBUSB_REQUEST_GET_DESCRIPTOR
+ desc_type 8 shift desc_index bitor 0 data
+ length 1000 libusb_control_transfer ; inline
+
+:: libusb_get_string_descriptor ( dev desc_index langid data length -- int )
+ dev LIBUSB_ENDPOINT_IN LIBUSB_REQUEST_GET_DESCRIPTOR
+ LIBUSB_DT_STRING 8 shift desc_index bitor
+ langid data length 1000 libusb_control_transfer ; inline
+
+FUNCTION: int libusb_get_string_descriptor_ascii ( libusb_device_handle* dev,
+ uint8_t index,
+ uchar* data,
+ int length ) ;
+
+FUNCTION: int libusb_try_lock_events ( libusb_context* ctx ) ;
+FUNCTION: void libusb_lock_events ( libusb_context* ctx ) ;
+FUNCTION: void libusb_unlock_events ( libusb_context* ctx ) ;
+FUNCTION: int libusb_event_handling_ok ( libusb_context* ctx ) ;
+FUNCTION: int libusb_event_handler_active ( libusb_context* ctx ) ;
+FUNCTION: void libusb_lock_event_waiters ( libusb_context* ctx ) ;
+FUNCTION: void libusb_unlock_event_waiters ( libusb_context* ctx ) ;
+FUNCTION: int libusb_wait_for_event ( libusb_context* ctx, timeval* tv ) ;
+FUNCTION: int libusb_handle_events_timeout ( libusb_context* ctx, timeval* tv ) ;
+FUNCTION: int libusb_handle_events ( libusb_context* ctx ) ;
+FUNCTION: int libusb_handle_events_locked ( libusb_context* ctx, timeval* tv ) ;
+FUNCTION: int libusb_get_next_timeout ( libusb_context* ctx, timeval* tv ) ;
+
+STRUCT: libusb_pollfd
+ { fd int }
+ { events short } ;
+
+CALLBACK: void libusb_pollfd_added_cb ( int fd, short events, void* user_data ) ;
+CALLBACK: void libusb_pollfd_removed_cb ( int fd, void* user_data ) ;
+
+FUNCTION: libusb_pollfd** libusb_get_pollfds ( libusb_context* ctx ) ;
+FUNCTION: void libusb_set_pollfd_notifiers ( libusb_context* ctx,
+ libusb_pollfd_added_cb added_cb,
+ libusb_pollfd_removed_cb removed_cb,
+ void* user_data ) ;
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