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/*
* types.h: HID Parser types definitions
*
* This file is part of the MGE UPS SYSTEMS HID Parser
*
* Copyright (C)
* 1998-2003 MGE UPS SYSTEMS, Luc Descotils
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* -------------------------------------------------------------------------- */
#ifndef HIDTYPES_H
#define HIDTYPES_H
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif /* __cplusplus */
#include <sys/types.h>
#include "nut_stdint.h"
/*
* Constants
* -------------------------------------------------------------------------- */
#define PATH_SIZE 10 /* Deep max for Path */
#define USAGE_TAB_SIZE 50 /* Size of usage stack */
#define MAX_REPORT 300 /* Including FEATURE, INPUT and OUTPUT */
#define REPORT_DSC_SIZE 6144 /* Size max of Report Descriptor */
#define MAX_REPORT_TS 3 /* Max time validity of a report */
/*
* Items
* -------------------------------------------------------------------------- */
#define SIZE_0 0x00
#define SIZE_1 0x01
#define SIZE_2 0x02
#define SIZE_4 0x03
#define SIZE_MASK 0x03
#define TYPE_MAIN 0x00
#define TYPE_GLOBAL 0x04
#define TYPE_LOCAL 0x08
#define TYPE_MASK 0x0C
/* Main items */
#define ITEM_COLLECTION 0xA0
#define ITEM_END_COLLECTION 0xC0
#define ITEM_FEATURE 0xB0
#define ITEM_INPUT 0x80
#define ITEM_OUTPUT 0x90
/* Global items */
#define ITEM_UPAGE 0x04
#define ITEM_LOG_MIN 0x14
#define ITEM_LOG_MAX 0x24
#define ITEM_PHY_MIN 0x34
#define ITEM_PHY_MAX 0x44
#define ITEM_UNIT_EXP 0x54
#define ITEM_UNIT 0x64
#define ITEM_REP_SIZE 0x74
#define ITEM_REP_ID 0x84
#define ITEM_REP_COUNT 0x94
/* Local items */
#define ITEM_USAGE 0x08
#define ITEM_STRING 0x78
/* Long item */
#define ITEM_LONG 0xFC
#define ITEM_MASK 0xFC
/* Attribute Flags */
#define ATTR_DATA_CST 0x01
#define ATTR_NVOL_VOL 0x80
/*
* HIDNode_t struct
*
* Describe a HID Path point: Usage = bits 0..15, UPage = bits 16..31
* -------------------------------------------------------------------------- */
typedef uint32_t HIDNode_t;
/*
* HIDPath struct
*
* Describe a HID Path
* -------------------------------------------------------------------------- */
typedef struct {
uint8_t Size; /* HID Path size */
HIDNode_t Node[PATH_SIZE]; /* HID Path */
} HIDPath_t;
/*
* HIDData struct
*
* Describe a HID Data with its location in report
* -------------------------------------------------------------------------- */
typedef struct {
HIDPath_t Path; /* HID Path */
uint8_t ReportID; /* Report ID */
uint8_t Offset; /* Offset of data in report */
uint8_t Size; /* Size of data in bit */
uint8_t Type; /* Type : FEATURE / INPUT / OUTPUT */
uint8_t Attribute; /* Report field attribute */
long Unit; /* HID Unit */
int8_t UnitExp; /* Unit exponent */
long LogMin; /* Logical Min */
long LogMax; /* Logical Max */
long PhyMin; /* Physical Min */
long PhyMax; /* Physical Max */
int8_t have_PhyMin; /* Physical Min defined? */
int8_t have_PhyMax; /* Physical Max defined? */
} HIDData_t;
/*
* HIDDesc struct
*
* Holds a parsed report descriptor
* -------------------------------------------------------------------------- */
typedef struct {
int nitems; /* number of items in descriptor */
HIDData_t *item; /* list of items */
int replen[256]; /* list of report lengths, in byte */
} HIDDesc_t;
#ifdef __cplusplus
/* *INDENT-OFF* */
} /* extern "C" */
/* *INDENT-ON* */
#endif /* __cplusplus */
#endif /* HIDTYPES_H */
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