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Diffstat (limited to 'lib/libusbhid/usbhid.h')
| -rw-r--r-- | lib/libusbhid/usbhid.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/libusbhid/usbhid.h b/lib/libusbhid/usbhid.h new file mode 100644 index 000000000000..65b996fc7fde --- /dev/null +++ b/lib/libusbhid/usbhid.h @@ -0,0 +1,96 @@ +/* $NetBSD: usb.h,v 1.7 2000/04/02 11:10:53 augustss Exp $ */ + +/* + * Copyright (c) 1999 Lennart Augustsson <augustss@netbsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + * + */ + +typedef struct report_desc *report_desc_t; + +typedef struct hid_data *hid_data_t; + +typedef enum hid_kind { + hid_input, hid_output, hid_feature, hid_collection, hid_endcollection +}hid_kind_t; + +typedef struct hid_item { + /* Global */ + int _usage_page; + int logical_minimum; + int logical_maximum; + int physical_minimum; + int physical_maximum; + int unit_exponent; + int unit; + int report_size; + int report_ID; +#define NO_REPORT_ID 0 + int report_count; + /* Local */ + unsigned int usage; + int usage_minimum; + int usage_maximum; + int designator_index; + int designator_minimum; + int designator_maximum; + int string_index; + int string_minimum; + int string_maximum; + int set_delimiter; + /* Misc */ + int collection; + int collevel; + enum hid_kind kind; + unsigned int flags; + /* Absolute data position (bits) */ + unsigned int pos; + /* */ + struct hid_item *next; +} hid_item_t; + +#define HID_PAGE(u) ((u) >> 16) +#define HID_USAGE(u) ((u) & 0xffff) + +/* Obtaining a report descriptor, descr.c: */ +report_desc_t hid_get_report_desc __P((int file)); +void hid_dispose_report_desc __P((report_desc_t)); + +/* Parsing of a HID report descriptor, parse.c: */ +hid_data_t hid_start_parse __P((report_desc_t d, int kindset)); +void hid_end_parse __P((hid_data_t s)); +int hid_get_item __P((hid_data_t s, hid_item_t *h)); +int hid_report_size __P((report_desc_t d, enum hid_kind k, int *idp)); +int hid_locate __P((report_desc_t d, unsigned int usage, enum hid_kind k, hid_item_t *h)); + +/* Conversion to/from usage names, usage.c: */ +const char *hid_usage_page __P((int i)); +const char *hid_usage_in_page __P((unsigned int u)); +void hid_init __P((const char *file)); + +/* Extracting/insertion of data, data.c: */ +int hid_get_data __P((const void *p, const hid_item_t *h)); +void hid_set_data __P((void *p, const hid_item_t *h, int data)); |