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/*
*
* Bluetooth packet analyzer - HIDP parser
*
* Copyright (C) 2003-2004 Marcel Holtmann <marcel@holtmann.org>
*
*
* 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
*
*
* $Id$
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include "parser.h"
static char *type2str(uint8_t head)
{
switch (head & 0xf0) {
case 0x00:
return "Handshake";
case 0x10:
return "Control";
case 0x40:
return "Get report";
case 0x50:
return "Set report";
case 0x60:
return "Get protocol";
case 0x70:
return "Set protocol";
case 0x80:
return "Get idle";
case 0x90:
return "Set idle";
case 0xa0:
return "Data";
case 0xb0:
return "Data continuation";
default:
return "Reserved";
}
}
static char *result2str(uint8_t head)
{
switch (head & 0x0f) {
case 0x00:
return "Successful";
case 0x01:
return "Not ready";
case 0x02:
return "Invalid report ID";
case 0x03:
return "Unsupported request";
case 0x04:
return "Invalid parameter";
case 0x0e:
return "Unknown";
case 0x0f:
return "Fatal";
default:
return "Reserved";
}
}
static char *operation2str(uint8_t head)
{
switch (head & 0x0f) {
case 0x00:
return "No operation";
case 0x01:
return "Hard reset";
case 0x02:
return "Soft reset";
case 0x03:
return "Suspend";
case 0x04:
return "Exit suspend";
case 0x05:
return "Virtual cable unplug";
default:
return "Reserved";
}
}
static char *report2str(uint8_t head)
{
switch (head & 0x03) {
case 0x00:
return "Other report";
case 0x01:
return "Input report";
case 0x02:
return "Output report";
case 0x03:
return "Feature report";
default:
return "Reserved";
}
}
static char *protocol2str(uint8_t head)
{
switch (head & 0x01) {
case 0x00:
return "Report protocol";
case 0x01:
return "Boot protocol";
default:
return "Reserved";
}
}
void hidp_dump(int level, struct frame *frm)
{
uint8_t hdr;
char *param;
hdr = get_u8(frm);
switch (hdr & 0xf0) {
case 0x00:
param = result2str(hdr);
break;
case 0x10:
param = operation2str(hdr);
break;
case 0x60:
case 0x70:
param = protocol2str(hdr);
break;
case 0x40:
case 0x50:
case 0xa0:
case 0xb0:
param = report2str(hdr);
break;
default:
param = "";
break;
}
p_indent(level, frm);
printf("HIDP: %s: %s\n", type2str(hdr), param);
raw_dump(level, frm);
}
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