freebsd-skq/usr.sbin/bluetooth/bthidcontrol/hid.c
markus 9de050b142 - Add a 'verbose' switch -v
- Only dump items that are being used for padding when being verbose. This
  brings bthidcontrol in line with the behaviour of usbhidctl(1).
- Update the manpage accordingly

Approved by:	emax
2006-10-31 00:26:58 +00:00

215 lines
5.3 KiB
C

/*
* hid.c
*
* Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* 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.
*
* $Id: hid.c,v 1.3 2004/02/17 22:14:57 max Exp $
* $FreeBSD$
*/
#include <sys/queue.h>
#include <bluetooth.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <stdio.h>
#include <string.h>
#include <usbhid.h>
#include "bthid_config.h"
#include "bthidcontrol.h"
extern uint32_t verbose;
static void hid_dump_descriptor (report_desc_t r);
static void hid_dump_item (char const *label, struct hid_item *h);
static int
hid_dump(bdaddr_t *bdaddr, int argc, char **argv)
{
struct hid_device *hd = NULL;
int e = FAILED;
if (read_config_file() == 0) {
if ((hd = get_hid_device(bdaddr)) != NULL) {
hid_dump_descriptor(hd->desc);
e = OK;
}
clean_config();
}
return (e);
}
static int
hid_forget(bdaddr_t *bdaddr, int argc, char **argv)
{
struct hid_device *hd = NULL;
int e = FAILED;
if (read_config_file() == 0) {
if (read_hids_file() == 0) {
if ((hd = get_hid_device(bdaddr)) != NULL) {
hd->new_device = 1;
if (write_hids_file() == 0)
e = OK;
}
}
clean_config();
}
return (e);
}
static int
hid_known(bdaddr_t *bdaddr, int argc, char **argv)
{
struct hid_device *hd = NULL;
struct hostent *he = NULL;
int e = FAILED;
if (read_config_file() == 0) {
if (read_hids_file() == 0) {
e = OK;
for (hd = get_next_hid_device(hd);
hd != NULL;
hd = get_next_hid_device(hd)) {
if (hd->new_device)
continue;
he = bt_gethostbyaddr((char *) &hd->bdaddr,
sizeof(hd->bdaddr),
AF_BLUETOOTH);
fprintf(stdout,
"%s %s\n", bt_ntoa(&hd->bdaddr, NULL),
(he != NULL && he->h_name != NULL)?
he->h_name : "");
}
}
clean_config();
}
return (e);
}
static void
hid_dump_descriptor(report_desc_t r)
{
struct hid_data *d = NULL;
struct hid_item h;
for (d = hid_start_parse(r, ~0, -1); hid_get_item(d, &h); ) {
switch (h.kind) {
case hid_collection:
fprintf(stdout,
"Collection page=%s usage=%s\n", hid_usage_page(HID_PAGE(h.usage)),
hid_usage_in_page(h.usage));
break;
case hid_endcollection:
fprintf(stdout, "End collection\n");
break;
case hid_input:
hid_dump_item("Input ", &h);
break;
case hid_output:
hid_dump_item("Output ", &h);
break;
case hid_feature:
hid_dump_item("Feature", &h);
break;
}
}
hid_end_parse(d);
}
static void
hid_dump_item(char const *label, struct hid_item *h)
{
if ((h->flags & HIO_CONST) && !verbose)
return;
fprintf(stdout,
"%s id=%u size=%u count=%u page=%s usage=%s%s%s%s%s%s%s%s%s%s",
label, (uint8_t) h->report_ID, h->report_size, h->report_count,
hid_usage_page(HID_PAGE(h->usage)),
hid_usage_in_page(h->usage),
h->flags & HIO_CONST ? " Const" : "",
h->flags & HIO_VARIABLE ? " Variable" : "",
h->flags & HIO_RELATIVE ? " Relative" : "",
h->flags & HIO_WRAP ? " Wrap" : "",
h->flags & HIO_NONLINEAR ? " NonLinear" : "",
h->flags & HIO_NOPREF ? " NoPref" : "",
h->flags & HIO_NULLSTATE ? " NullState" : "",
h->flags & HIO_VOLATILE ? " Volatile" : "",
h->flags & HIO_BUFBYTES ? " BufBytes" : "");
fprintf(stdout,
", logical range %d..%d",
h->logical_minimum, h->logical_maximum);
if (h->physical_minimum != h->physical_maximum)
fprintf(stdout,
", physical range %d..%d",
h->physical_minimum, h->physical_maximum);
if (h->unit)
fprintf(stdout,
", unit=0x%02x exp=%d", h->unit, h->unit_exponent);
fprintf(stdout, "\n");
}
struct bthid_command hid_commands[] = {
{
"Dump",
"Dump HID descriptor for the specified device in human readable form. The\n" \
"device must have an entry in the Bluetooth HID daemon configuration file.\n",
hid_dump
},
{
"Known",
"List all known to the Bluetooth HID daemon devices.\n",
hid_known
},
{
"Forget",
"Forget (mark as new) specified HID device. This command is useful when it\n" \
"is required to remove device from the known HIDs file. This should be done\n" \
"when reset button was pressed on the device or the battery was changed. The\n"\
"Bluetooth HID daemon should be restarted.\n",
hid_forget
},
{ NULL, NULL, NULL }
};