diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/hcitool.1 | 4 | ||||
| -rw-r--r-- | tools/hcitool.c | 110 |
2 files changed, 95 insertions, 19 deletions
diff --git a/tools/hcitool.1 b/tools/hcitool.1 index c4c69b87..07f41421 100644 --- a/tools/hcitool.1 +++ b/tools/hcitool.1 @@ -170,6 +170,10 @@ Enable or disable the encryption for the device with Bluetooth address .BI key " <bdaddr>" Change the connection link key for the device with Bluetooth address .IR bdaddr . +.TP +.BI clkoff " <bdaddr>" +Read the clock offset for the device with Bluetooth address +.IR bdaddr . .SH AUTHORS Written by Maxim Krasnyansky <maxk@qualcomm.com> and Marcel Holtmann <marcel@holtmann.org> .PP diff --git a/tools/hcitool.c b/tools/hcitool.c index 7d965dd6..9f69ed01 100644 --- a/tools/hcitool.c +++ b/tools/hcitool.c @@ -1474,30 +1474,102 @@ static void cmd_key(int dev_id, int argc, char **argv) free(cr); } +/* Read clock offset */ + +static struct option clkoff_options[] = { + { "help", 0, 0, 'h' }, + { 0, 0, 0, 0 } +}; + +static char *clkoff_help = + "Usage:\n" + "\tclkoff <bdaddr>\n"; + +static void cmd_clkoff(int dev_id, int argc, char **argv) +{ + struct hci_conn_info_req *cr; + bdaddr_t bdaddr; + uint16_t offset; + int opt, dd; + + for_each_opt(opt, clkoff_options, NULL) { + switch (opt) { + default: + printf(clkoff_help); + return; + } + } + argc -= optind; + argv += optind; + + if (argc < 1) { + printf(clkoff_help); + return; + } + + str2ba(argv[0], &bdaddr); + + if (dev_id < 0) { + dev_id = hci_for_each_dev(HCI_UP, find_conn, (long) &bdaddr); + if (dev_id < 0) { + fprintf(stderr, "Not connected.\n"); + exit(1); + } + } + + dd = hci_open_dev(dev_id); + if (dd < 0) { + perror("HCI device open failed"); + exit(1); + } + + cr = malloc(sizeof(*cr) + sizeof(struct hci_conn_info)); + if (!cr) + return; + + bacpy(&cr->bdaddr, &bdaddr); + cr->type = ACL_LINK; + if (ioctl(dd, HCIGETCONNINFO, (unsigned long) cr) < 0) { + perror("Get connection info failed"); + exit(1); + } + + if (hci_read_clock_offset(dd, htobs(cr->conn_info->handle), &offset, 1000) < 0) { + perror("Reading clock offset failed"); + exit(1); + } + + printf("Clock offset: 0x%4.4x\n", btohs(offset)); + + close(dd); + free(cr); +} + static struct { char *cmd; void (*func)(int dev_id, int argc, char **argv); char *doc; } command[] = { - { "dev", cmd_dev, "Display local devices" }, - { "inq", cmd_inq, "Inquire remote devices" }, - { "scan", cmd_scan, "Scan for remote devices" }, - { "name", cmd_name, "Get name from remote device" }, - { "info", cmd_info, "Get information from remote device" }, - { "cmd", cmd_cmd, "Submit arbitrary HCI commands" }, - { "con", cmd_con, "Display active connections" }, - { "cc", cmd_cc, "Create connection to remote device" }, - { "dc", cmd_dc, "Disconnect from remote device" }, - { "sr", cmd_sr, "Switch master/slave role" }, - { "cpt", cmd_cpt, "Change connection packet type" }, - { "rssi", cmd_rssi, "Display connection RSSI" }, - { "lq", cmd_lq, "Display link quality" }, - { "tpl", cmd_tpl, "Display transmit power level" }, - { "afh", cmd_afh, "Display AFH channel map" }, - { "lst", cmd_lst, "Set/display link supervision timeout" }, - { "auth", cmd_auth, "Request authentication" }, - { "enc", cmd_enc, "Set connection encryption" }, - { "key", cmd_key, "Change connection link key" }, + { "dev", cmd_dev, "Display local devices" }, + { "inq", cmd_inq, "Inquire remote devices" }, + { "scan", cmd_scan, "Scan for remote devices" }, + { "name", cmd_name, "Get name from remote device" }, + { "info", cmd_info, "Get information from remote device" }, + { "cmd", cmd_cmd, "Submit arbitrary HCI commands" }, + { "con", cmd_con, "Display active connections" }, + { "cc", cmd_cc, "Create connection to remote device" }, + { "dc", cmd_dc, "Disconnect from remote device" }, + { "sr", cmd_sr, "Switch master/slave role" }, + { "cpt", cmd_cpt, "Change connection packet type" }, + { "rssi", cmd_rssi, "Display connection RSSI" }, + { "lq", cmd_lq, "Display link quality" }, + { "tpl", cmd_tpl, "Display transmit power level" }, + { "afh", cmd_afh, "Display AFH channel map" }, + { "lst", cmd_lst, "Set/display link supervision timeout" }, + { "auth", cmd_auth, "Request authentication" }, + { "enc", cmd_enc, "Set connection encryption" }, + { "key", cmd_key, "Change connection link key" }, + { "clkoff", cmd_clkoff, "Read clock offset" }, { NULL, NULL, 0 } }; |