diff options
Diffstat (limited to 'lib/libusbhid/usbhid.h')
| -rw-r--r-- | lib/libusbhid/usbhid.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/lib/libusbhid/usbhid.h b/lib/libusbhid/usbhid.h new file mode 100644 index 0000000..231ee1f --- /dev/null +++ b/lib/libusbhid/usbhid.h @@ -0,0 +1,113 @@ +/* $NetBSD: usb.h,v 1.8 2000/08/13 22:22:02 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. + * + * $FreeBSD$ + * + */ + +#include <stdint.h> + +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 */ + uint32_t _usage_page; + int32_t logical_minimum; + int32_t logical_maximum; + int32_t physical_minimum; + int32_t physical_maximum; + int32_t unit_exponent; + int32_t unit; + int32_t report_size; + int32_t report_ID; +#define NO_REPORT_ID 0 + int32_t report_count; + /* Local */ + uint32_t usage; + int32_t usage_minimum; + int32_t usage_maximum; + int32_t designator_index; + int32_t designator_minimum; + int32_t designator_maximum; + int32_t string_index; + int32_t string_minimum; + int32_t string_maximum; + int32_t set_delimiter; + /* Misc */ + int32_t collection; + int collevel; + enum hid_kind kind; + uint32_t flags; + /* Location */ + uint32_t pos; + /* unused */ + struct hid_item *next; +} hid_item_t; + +#define HID_PAGE(u) (((u) >> 16) & 0xffff) +#define HID_USAGE(u) ((u) & 0xffff) +#define HID_HAS_GET_SET_REPORT 1 + +__BEGIN_DECLS + +/* Obtaining a report descriptor, descr.c: */ +report_desc_t hid_get_report_desc(int file); +report_desc_t hid_use_report_desc(unsigned char *data, unsigned int size); +void hid_dispose_report_desc(report_desc_t); +int hid_get_report_id(int file); +int hid_set_immed(int fd, int enable); + +/* Parsing of a HID report descriptor, parse.c: */ +hid_data_t hid_start_parse(report_desc_t d, int kindset, int id); +void hid_end_parse(hid_data_t s); +int hid_get_item(hid_data_t s, hid_item_t *h); +int hid_report_size(report_desc_t d, enum hid_kind k, int id); +int hid_locate(report_desc_t d, unsigned int usage, enum hid_kind k, + hid_item_t *h, int id); + +/* Conversion to/from usage names, usage.c: */ +const char *hid_usage_page(int i); +const char *hid_usage_in_page(unsigned int u); +void hid_init(const char *file); +int hid_parse_usage_in_page(const char *name); +int hid_parse_usage_page(const char *name); + +/* Extracting/insertion of data, data.c: */ +int32_t hid_get_data(const void *p, const hid_item_t *h); +void hid_set_data(void *p, const hid_item_t *h, int32_t data); +int hid_get_report(int fd, enum hid_kind k, + unsigned char *data, unsigned int size); +int hid_set_report(int fd, enum hid_kind k, + unsigned char *data, unsigned int size); + +__END_DECLS |
