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hciconfig.c
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hciconfig.c
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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2000-2001 Qualcomm Incorporated
* Copyright (C) 2002-2003 Maxim Krasnyansky <[email protected]>
* Copyright (C) 2002-2010 Marcel Holtmann <[email protected]>
*
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include "lib/bluetooth.h"
#include "lib/hci.h"
#include "lib/hci_lib.h"
#include "src/textfile.h"
#include "src/shared/util.h"
#include "csr.h"
static struct hci_dev_info di;
static int all;
static void print_dev_hdr(struct hci_dev_info *di);
static void print_dev_info(int ctl, struct hci_dev_info *di);
static void print_dev_list(int ctl, int flags)
{
struct hci_dev_list_req *dl;
struct hci_dev_req *dr;
int i;
if (!(dl = malloc(HCI_MAX_DEV * sizeof(struct hci_dev_req) +
sizeof(uint16_t)))) {
perror("Can't allocate memory");
exit(1);
}
dl->dev_num = HCI_MAX_DEV;
dr = dl->dev_req;
if (ioctl(ctl, HCIGETDEVLIST, (void *) dl) < 0) {
perror("Can't get device list");
exit(1);
}
for (i = 0; i< dl->dev_num; i++) {
di.dev_id = (dr+i)->dev_id;
if (ioctl(ctl, HCIGETDEVINFO, (void *) &di) < 0)
continue;
print_dev_info(ctl, &di);
}
}
static void print_pkt_type(struct hci_dev_info *di)
{
char *str;
str = hci_ptypetostr(di->pkt_type);
printf("\tPacket type: %s\n", str);
bt_free(str);
}
static void print_link_policy(struct hci_dev_info *di)
{
printf("\tLink policy: %s\n", hci_lptostr(di->link_policy));
}
static void print_link_mode(struct hci_dev_info *di)
{
char *str;
str = hci_lmtostr(di->link_mode);
printf("\tLink mode: %s\n", str);
bt_free(str);
}
static void print_dev_features(struct hci_dev_info *di, int format)
{
printf("\tFeatures: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
"0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n",
di->features[0], di->features[1], di->features[2],
di->features[3], di->features[4], di->features[5],
di->features[6], di->features[7]);
if (format) {
char *tmp = lmp_featurestostr(di->features, "\t\t", 63);
printf("%s\n", tmp);
bt_free(tmp);
}
}
static void print_le_states(uint64_t states)
{
int i;
const char *le_states[] = {
"Non-connectable Advertising State" ,
"Scannable Advertising State",
"Connectable Advertising State",
"Directed Advertising State",
"Passive Scanning State",
"Active Scanning State",
"Initiating State/Connection State in Master Role",
"Connection State in the Slave Role",
"Non-connectable Advertising State and Passive Scanning State combination",
"Scannable Advertising State and Passive Scanning State combination",
"Connectable Advertising State and Passive Scanning State combination",
"Directed Advertising State and Passive Scanning State combination",
"Non-connectable Advertising State and Active Scanning State combination",
"Scannable Advertising State and Active Scanning State combination",
"Connectable Advertising State and Active Scanning State combination",
"Directed Advertising State and Active Scanning State combination",
"Non-connectable Advertising State and Initiating State combination",
"Scannable Advertising State and Initiating State combination",
"Non-connectable Advertising State and Master Role combination",
"Scannable Advertising State and Master Role combination",
"Non-connectable Advertising State and Slave Role combination",
"Scannable Advertising State and Slave Role combination",
"Passive Scanning State and Initiating State combination",
"Active Scanning State and Initiating State combination",
"Passive Scanning State and Master Role combination",
"Active Scanning State and Master Role combination",
"Passive Scanning State and Slave Role combination",
"Active Scanning State and Slave Role combination",
"Initiating State and Master Role combination/Master Role and Master Role combination",
NULL
};
printf("Supported link layer states:\n");
for (i = 0; le_states[i]; i++) {
const char *status;
status = states & (1 << i) ? "YES" : "NO ";
printf("\t%s %s\n", status, le_states[i]);
}
}
static void cmd_rstat(int ctl, int hdev, char *opt)
{
/* Reset HCI device stat counters */
if (ioctl(ctl, HCIDEVRESTAT, hdev) < 0) {
fprintf(stderr, "Can't reset stats counters hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_scan(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr;
dr.dev_id = hdev;
dr.dev_opt = SCAN_DISABLED;
if (!strcmp(opt, "iscan"))
dr.dev_opt = SCAN_INQUIRY;
else if (!strcmp(opt, "pscan"))
dr.dev_opt = SCAN_PAGE;
else if (!strcmp(opt, "piscan"))
dr.dev_opt = SCAN_PAGE | SCAN_INQUIRY;
if (ioctl(ctl, HCISETSCAN, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set scan mode on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_le_addr(int ctl, int hdev, char *opt)
{
struct hci_request rq;
le_set_random_address_cp cp;
uint8_t status;
int dd, err, ret;
if (!opt)
return;
if (hdev < 0)
hdev = hci_get_route(NULL);
dd = hci_open_dev(hdev);
if (dd < 0) {
err = -errno;
fprintf(stderr, "Could not open device: %s(%d)\n",
strerror(-err), -err);
exit(1);
}
memset(&cp, 0, sizeof(cp));
str2ba(opt, &cp.bdaddr);
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_LE_CTL;
rq.ocf = OCF_LE_SET_RANDOM_ADDRESS;
rq.cparam = &cp;
rq.clen = LE_SET_RANDOM_ADDRESS_CP_SIZE;
rq.rparam = &status;
rq.rlen = 1;
ret = hci_send_req(dd, &rq, 1000);
if (status || ret < 0) {
err = -errno;
fprintf(stderr, "Can't set random address for hci%d: "
"%s (%d)\n", hdev, strerror(-err), -err);
}
hci_close_dev(dd);
}
static void cmd_le_adv(int ctl, int hdev, char *opt)
{
struct hci_request rq;
le_set_advertise_enable_cp advertise_cp;
le_set_advertising_parameters_cp adv_params_cp;
uint8_t status;
int dd, ret;
if (hdev < 0)
hdev = hci_get_route(NULL);
dd = hci_open_dev(hdev);
if (dd < 0) {
perror("Could not open device");
exit(1);
}
memset(&adv_params_cp, 0, sizeof(adv_params_cp));
adv_params_cp.min_interval = htobs(0x0800);
adv_params_cp.max_interval = htobs(0x0800);
if (opt)
adv_params_cp.advtype = atoi(opt);
adv_params_cp.chan_map = 7;
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_LE_CTL;
rq.ocf = OCF_LE_SET_ADVERTISING_PARAMETERS;
rq.cparam = &adv_params_cp;
rq.clen = LE_SET_ADVERTISING_PARAMETERS_CP_SIZE;
rq.rparam = &status;
rq.rlen = 1;
ret = hci_send_req(dd, &rq, 1000);
if (ret < 0)
goto done;
memset(&advertise_cp, 0, sizeof(advertise_cp));
advertise_cp.enable = 0x01;
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_LE_CTL;
rq.ocf = OCF_LE_SET_ADVERTISE_ENABLE;
rq.cparam = &advertise_cp;
rq.clen = LE_SET_ADVERTISE_ENABLE_CP_SIZE;
rq.rparam = &status;
rq.rlen = 1;
ret = hci_send_req(dd, &rq, 1000);
done:
hci_close_dev(dd);
if (ret < 0) {
fprintf(stderr, "Can't set advertise mode on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (status) {
fprintf(stderr,
"LE set advertise enable on hci%d returned status %d\n",
hdev, status);
exit(1);
}
}
static void cmd_no_le_adv(int ctl, int hdev, char *opt)
{
struct hci_request rq;
le_set_advertise_enable_cp advertise_cp;
uint8_t status;
int dd, ret;
if (hdev < 0)
hdev = hci_get_route(NULL);
dd = hci_open_dev(hdev);
if (dd < 0) {
perror("Could not open device");
exit(1);
}
memset(&advertise_cp, 0, sizeof(advertise_cp));
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_LE_CTL;
rq.ocf = OCF_LE_SET_ADVERTISE_ENABLE;
rq.cparam = &advertise_cp;
rq.clen = LE_SET_ADVERTISE_ENABLE_CP_SIZE;
rq.rparam = &status;
rq.rlen = 1;
ret = hci_send_req(dd, &rq, 1000);
hci_close_dev(dd);
if (ret < 0) {
fprintf(stderr, "Can't set advertise mode on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (status) {
fprintf(stderr, "LE set advertise enable on hci%d returned status %d\n",
hdev, status);
exit(1);
}
}
static void cmd_le_states(int ctl, int hdev, char *opt)
{
le_read_supported_states_rp rp;
struct hci_request rq;
int err, dd;
if (hdev < 0)
hdev = hci_get_route(NULL);
dd = hci_open_dev(hdev);
if (dd < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
memset(&rp, 0, sizeof(rp));
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_LE_CTL;
rq.ocf = OCF_LE_READ_SUPPORTED_STATES;
rq.rparam = &rp;
rq.rlen = LE_READ_SUPPORTED_STATES_RP_SIZE;
err = hci_send_req(dd, &rq, 1000);
hci_close_dev(dd);
if (err < 0) {
fprintf(stderr, "Can't read LE supported states on hci%d:"
" %s(%d)\n", hdev, strerror(errno), errno);
exit(1);
}
if (rp.status) {
fprintf(stderr, "Read LE supported states on hci%d"
" returned status %d\n", hdev, rp.status);
exit(1);
}
print_le_states(rp.states);
}
static void cmd_iac(int ctl, int hdev, char *opt)
{
int s = hci_open_dev(hdev);
if (s < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (opt) {
int l = strtoul(opt, 0, 16);
uint8_t lap[3];
if (!strcasecmp(opt, "giac")) {
l = 0x9e8b33;
} else if (!strcasecmp(opt, "liac")) {
l = 0x9e8b00;
} else if (l < 0x9e8b00 || l > 0x9e8b3f) {
printf("Invalid access code 0x%x\n", l);
exit(1);
}
lap[0] = (l & 0xff);
lap[1] = (l >> 8) & 0xff;
lap[2] = (l >> 16) & 0xff;
if (hci_write_current_iac_lap(s, 1, lap, 1000) < 0) {
printf("Failed to set IAC on hci%d: %s\n", hdev, strerror(errno));
exit(1);
}
} else {
uint8_t lap[3 * MAX_IAC_LAP];
int i, j;
uint8_t n;
if (hci_read_current_iac_lap(s, &n, lap, 1000) < 0) {
printf("Failed to read IAC from hci%d: %s\n", hdev, strerror(errno));
exit(1);
}
print_dev_hdr(&di);
printf("\tIAC: ");
for (i = 0; i < n; i++) {
printf("0x");
for (j = 3; j--; )
printf("%02x", lap[j + 3 * i]);
if (i < n - 1)
printf(", ");
}
printf("\n");
}
close(s);
}
static void cmd_auth(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr;
dr.dev_id = hdev;
if (!strcmp(opt, "auth"))
dr.dev_opt = AUTH_ENABLED;
else
dr.dev_opt = AUTH_DISABLED;
if (ioctl(ctl, HCISETAUTH, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set auth on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_encrypt(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr;
dr.dev_id = hdev;
if (!strcmp(opt, "encrypt"))
dr.dev_opt = ENCRYPT_P2P;
else
dr.dev_opt = ENCRYPT_DISABLED;
if (ioctl(ctl, HCISETENCRYPT, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set encrypt on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_up(int ctl, int hdev, char *opt)
{
/* Start HCI device */
if (ioctl(ctl, HCIDEVUP, hdev) < 0) {
if (errno == EALREADY)
return;
fprintf(stderr, "Can't init device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_down(int ctl, int hdev, char *opt)
{
/* Stop HCI device */
if (ioctl(ctl, HCIDEVDOWN, hdev) < 0) {
fprintf(stderr, "Can't down device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_reset(int ctl, int hdev, char *opt)
{
/* Reset HCI device */
#if 0
if (ioctl(ctl, HCIDEVRESET, hdev) < 0 ){
fprintf(stderr, "Reset failed for device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
#endif
cmd_down(ctl, hdev, "down");
cmd_up(ctl, hdev, "up");
}
static void cmd_ptype(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr;
dr.dev_id = hdev;
if (hci_strtoptype(opt, &dr.dev_opt)) {
if (ioctl(ctl, HCISETPTYPE, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set pkttype on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
} else {
print_dev_hdr(&di);
print_pkt_type(&di);
}
}
static void cmd_lp(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr;
dr.dev_id = hdev;
if (hci_strtolp(opt, &dr.dev_opt)) {
if (ioctl(ctl, HCISETLINKPOL, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set link policy on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
} else {
print_dev_hdr(&di);
print_link_policy(&di);
}
}
static void cmd_lm(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr;
dr.dev_id = hdev;
if (hci_strtolm(opt, &dr.dev_opt)) {
if (ioctl(ctl, HCISETLINKMODE, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set default link mode on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
} else {
print_dev_hdr(&di);
print_link_mode(&di);
}
}
static void cmd_aclmtu(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr = { .dev_id = hdev };
uint16_t mtu, mpkt;
if (!opt)
return;
if (sscanf(opt, "%4hu:%4hu", &mtu, &mpkt) != 2)
return;
dr.dev_opt = htobl(htobs(mpkt) | (htobs(mtu) << 16));
if (ioctl(ctl, HCISETACLMTU, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set ACL mtu on hci%d: %s(%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_scomtu(int ctl, int hdev, char *opt)
{
struct hci_dev_req dr = { .dev_id = hdev };
uint16_t mtu, mpkt;
if (!opt)
return;
if (sscanf(opt, "%4hu:%4hu", &mtu, &mpkt) != 2)
return;
dr.dev_opt = htobl(htobs(mpkt) | (htobs(mtu) << 16));
if (ioctl(ctl, HCISETSCOMTU, (unsigned long) &dr) < 0) {
fprintf(stderr, "Can't set SCO mtu on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
}
static void cmd_features(int ctl, int hdev, char *opt)
{
uint8_t features[8], max_page = 0;
char *tmp;
int i, dd;
if (!(di.features[7] & LMP_EXT_FEAT)) {
print_dev_hdr(&di);
print_dev_features(&di, 1);
return;
}
dd = hci_open_dev(hdev);
if (dd < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (hci_read_local_ext_features(dd, 0, &max_page, features, 1000) < 0) {
fprintf(stderr, "Can't read extended features hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (max_page < 1 && (features[6] & LMP_SIMPLE_PAIR))
max_page = 1;
print_dev_hdr(&di);
printf("\tFeatures%s: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
"0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n",
(max_page > 0) ? " page 0" : "",
features[0], features[1], features[2], features[3],
features[4], features[5], features[6], features[7]);
tmp = lmp_featurestostr(di.features, "\t\t", 63);
printf("%s\n", tmp);
bt_free(tmp);
for (i = 1; i <= max_page; i++) {
if (hci_read_local_ext_features(dd, i, NULL,
features, 1000) < 0)
continue;
printf("\tFeatures page %d: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
"0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", i,
features[0], features[1], features[2], features[3],
features[4], features[5], features[6], features[7]);
}
hci_close_dev(dd);
}
static void cmd_name(int ctl, int hdev, char *opt)
{
int dd;
dd = hci_open_dev(hdev);
if (dd < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (opt) {
if (hci_write_local_name(dd, opt, 2000) < 0) {
fprintf(stderr, "Can't change local name on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
} else {
char name[249];
int i;
if (hci_read_local_name(dd, sizeof(name), name, 1000) < 0) {
fprintf(stderr, "Can't read local name on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
for (i = 0; i < 248 && name[i]; i++) {
if ((unsigned char) name[i] < 32 || name[i] == 127)
name[i] = '.';
}
name[248] = '\0';
print_dev_hdr(&di);
printf("\tName: '%s'\n", name);
}
hci_close_dev(dd);
}
/*
* see http://www.bluetooth.org/assigned-numbers/baseband.htm --- all
* strings are reproduced verbatim
*/
static char *get_minor_device_name(int major, int minor)
{
switch (major) {
case 0: /* misc */
return "";
case 1: /* computer */
switch (minor) {
case 0:
return "Uncategorized";
case 1:
return "Desktop workstation";
case 2:
return "Server";
case 3:
return "Laptop";
case 4:
return "Handheld";
case 5:
return "Palm";
case 6:
return "Wearable";
}
break;
case 2: /* phone */
switch (minor) {
case 0:
return "Uncategorized";
case 1:
return "Cellular";
case 2:
return "Cordless";
case 3:
return "Smart phone";
case 4:
return "Wired modem or voice gateway";
case 5:
return "Common ISDN Access";
case 6:
return "Sim Card Reader";
}
break;
case 3: /* lan access */
if (minor == 0)
return "Uncategorized";
switch (minor / 8) {
case 0:
return "Fully available";
case 1:
return "1-17% utilized";
case 2:
return "17-33% utilized";
case 3:
return "33-50% utilized";
case 4:
return "50-67% utilized";
case 5:
return "67-83% utilized";
case 6:
return "83-99% utilized";
case 7:
return "No service available";
}
break;
case 4: /* audio/video */
switch (minor) {
case 0:
return "Uncategorized";
case 1:
return "Device conforms to the Headset profile";
case 2:
return "Hands-free";
/* 3 is reserved */
case 4:
return "Microphone";
case 5:
return "Loudspeaker";
case 6:
return "Headphones";
case 7:
return "Portable Audio";
case 8:
return "Car Audio";
case 9:
return "Set-top box";
case 10:
return "HiFi Audio Device";
case 11:
return "VCR";
case 12:
return "Video Camera";
case 13:
return "Camcorder";
case 14:
return "Video Monitor";
case 15:
return "Video Display and Loudspeaker";
case 16:
return "Video Conferencing";
/* 17 is reserved */
case 18:
return "Gaming/Toy";
}
break;
case 5: /* peripheral */ {
static char cls_str[48];
cls_str[0] = '\0';
switch (minor & 48) {
case 16:
strncpy(cls_str, "Keyboard", sizeof(cls_str));
break;
case 32:
strncpy(cls_str, "Pointing device", sizeof(cls_str));
break;
case 48:
strncpy(cls_str, "Combo keyboard/pointing device", sizeof(cls_str));
break;
}
if ((minor & 15) && (strlen(cls_str) > 0))
strcat(cls_str, "/");
switch (minor & 15) {
case 0:
break;
case 1:
strncat(cls_str, "Joystick",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
case 2:
strncat(cls_str, "Gamepad",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
case 3:
strncat(cls_str, "Remote control",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
case 4:
strncat(cls_str, "Sensing device",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
case 5:
strncat(cls_str, "Digitizer tablet",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
case 6:
strncat(cls_str, "Card reader",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
default:
strncat(cls_str, "(reserved)",
sizeof(cls_str) - strlen(cls_str) - 1);
break;
}
if (strlen(cls_str) > 0)
return cls_str;
break;
}
case 6: /* imaging */
if (minor & 4)
return "Display";
if (minor & 8)
return "Camera";
if (minor & 16)
return "Scanner";
if (minor & 32)
return "Printer";
break;
case 7: /* wearable */
switch (minor) {
case 1:
return "Wrist Watch";
case 2:
return "Pager";
case 3:
return "Jacket";
case 4:
return "Helmet";
case 5:
return "Glasses";
}
break;
case 8: /* toy */
switch (minor) {
case 1:
return "Robot";
case 2:
return "Vehicle";
case 3:
return "Doll / Action Figure";
case 4:
return "Controller";
case 5:
return "Game";
}
break;
case 63: /* uncategorised */
return "";
}
return "Unknown (reserved) minor device class";
}
static void cmd_class(int ctl, int hdev, char *opt)
{
static const char *services[] = { "Positioning",
"Networking",
"Rendering",
"Capturing",
"Object Transfer",
"Audio",
"Telephony",
"Information" };
static const char *major_devices[] = { "Miscellaneous",
"Computer",
"Phone",
"LAN Access",
"Audio/Video",
"Peripheral",
"Imaging",
"Uncategorized" };
int s = hci_open_dev(hdev);
if (s < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (opt) {
uint32_t cod = strtoul(opt, NULL, 16);
if (hci_write_class_of_dev(s, cod, 2000) < 0) {
fprintf(stderr, "Can't write local class of device on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
} else {
uint8_t cls[3];
if (hci_read_class_of_dev(s, cls, 1000) < 0) {
fprintf(stderr, "Can't read class of device on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
print_dev_hdr(&di);
printf("\tClass: 0x%02x%02x%02x\n", cls[2], cls[1], cls[0]);
printf("\tService Classes: ");
if (cls[2]) {
unsigned int i;
int first = 1;
for (i = 0; i < (sizeof(services) / sizeof(*services)); i++)
if (cls[2] & (1 << i)) {
if (!first)
printf(", ");
printf("%s", services[i]);
first = 0;
}
} else
printf("Unspecified");
printf("\n\tDevice Class: ");
if ((cls[1] & 0x1f) >= sizeof(major_devices) / sizeof(*major_devices))
printf("Invalid Device Class!\n");
else
printf("%s, %s\n", major_devices[cls[1] & 0x1f],
get_minor_device_name(cls[1] & 0x1f, cls[0] >> 2));
}
}
static void cmd_voice(int ctl, int hdev, char *opt)
{
static char *icf[] = { "Linear",
"u-Law",
"A-Law",
"Reserved" };
static char *idf[] = { "1's complement",
"2's complement",
"Sign-Magnitude",
"Reserved" };
static char *iss[] = { "8 bit",
"16 bit" };
static char *acf[] = { "CVSD",
"u-Law",
"A-Law",
"Reserved" };
int s = hci_open_dev(hdev);
if (s < 0) {
fprintf(stderr, "Can't open device hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
if (opt) {
uint16_t vs = htobs(strtoul(opt, NULL, 16));
if (hci_write_voice_setting(s, vs, 2000) < 0) {
fprintf(stderr, "Can't write voice setting on hci%d: %s (%d)\n",
hdev, strerror(errno), errno);
exit(1);
}
} else {
uint16_t vs;