USBHID_Types.h

/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#ifndef USBCLASS_HID_TYPES
#define USBCLASS_HID_TYPES

#include <stdint.h>

/* */
#define HID_VERSION_1_11    (0x0111)

/* HID Class */
#define HID_CLASS           (3)
#define HID_SUBCLASS_NONE   (0)
#define HID_PROTOCOL_NONE   (0)

/* Descriptors */
#define HID_DESCRIPTOR          (33)
#define HID_DESCRIPTOR_LENGTH   (0x09)
#define REPORT_DESCRIPTOR       (34)

/* Class requests */
#define GET_REPORT (0x1)
#define GET_IDLE   (0x2)
#define SET_REPORT (0x9)
#define SET_IDLE   (0xa)

/* HID Class Report Descriptor */
/* Short items: size is 0, 1, 2 or 3 specifying 0, 1, 2 or 4 (four) bytes */
/* of data as per HID Class standard */

/* Main items */
#define INPUT(size)             (0x80 | size)
#define OUTPUT(size)            (0x90 | size)
#define FEATURE(size)           (0xb0 | size)
#define COLLECTION(size)        (0xa0 | size)
#define END_COLLECTION(size)    (0xc0 | size)

/* Global items */
#define USAGE_PAGE(size)        (0x04 | size)
#define LOGICAL_MINIMUM(size)   (0x14 | size)
#define LOGICAL_MAXIMUM(size)   (0x24 | size)
#define PHYSICAL_MINIMUM(size)  (0x34 | size)
#define PHYSICAL_MAXIMUM(size)  (0x44 | size)
#define UNIT_EXPONENT(size)     (0x54 | size)
#define UNIT(size)              (0x64 | size)
#define REPORT_SIZE(size)       (0x74 | size)
#define REPORT_ID(size)         (0x84 | size)
#define REPORT_COUNT(size)      (0x94 | size)
#define PUSH(size)              (0xa4 | size)
#define POP(size)               (0xb4 | size)

/* Local items */
#define USAGE(size)                 (0x08 | size)
#define USAGE_MINIMUM(size)         (0x18 | size)
#define USAGE_MAXIMUM(size)         (0x28 | size)
#define DESIGNATOR_INDEX(size)      (0x38 | size)
#define DESIGNATOR_MINIMUM(size)    (0x48 | size)
#define DESIGNATOR_MAXIMUM(size)    (0x58 | size)
#define STRING_INDEX(size)          (0x78 | size)
#define STRING_MINIMUM(size)        (0x88 | size)
#define STRING_MAXIMUM(size)        (0x98 | size)
#define DELIMITER(size)             (0xa8 | size)

/* HID Report */
/* Where report IDs are used the first byte of 'data' will be the */
/* report ID and 'length' will include this report ID byte. */

#define MAX_HID_REPORT_SIZE (64)

typedef struct {
    uint32_t length;
    uint8_t data[MAX_HID_REPORT_SIZE];
} HID_REPORT;

#endif