1/* 2 * status.c 3 * 4 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $Id: status.c,v 1.2 2003/05/21 22:40:30 max Exp $ 29 * $FreeBSD$ 30 */ 31 32#include <sys/types.h> 33#include <sys/endian.h> 34#include <errno.h> 35#include <netgraph/bluetooth/include/ng_hci.h> 36#include <stdio.h> 37#include "hccontrol.h" 38 39/* Send Read_Failed_Contact_Counter command to the unit */ 40static int 41hci_read_failed_contact_counter(int s, int argc, char **argv) 42{ 43 ng_hci_read_failed_contact_cntr_cp cp; 44 ng_hci_read_failed_contact_cntr_rp rp; 45 int n; 46 47 switch (argc) { 48 case 1: 49 /* connection handle */ 50 if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff) 51 return (USAGE); 52 53 cp.con_handle = (uint16_t) (n & 0x0fff); 54 cp.con_handle = htole16(cp.con_handle); 55 break; 56 57 default: 58 return (USAGE); 59 } 60 61 /* send command */ 62 n = sizeof(rp); 63 if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_STATUS, 64 NG_HCI_OCF_READ_FAILED_CONTACT_CNTR), 65 (char const *) &cp, sizeof(cp), 66 (char *) &rp, &n) == ERROR) 67 return (ERROR); 68 69 if (rp.status != 0x00) { 70 fprintf(stdout, "Status: %s [%#02x]\n", 71 hci_status2str(rp.status), rp.status); 72 return (FAILED); 73 } 74 75 fprintf(stdout, "Connection handle: %d\n", le16toh(rp.con_handle)); 76 fprintf(stdout, "Failed contact counter: %d\n", le16toh(rp.counter)); 77 78 return (OK); 79} /* hci_read_failed_contact_counter */ 80 81/* Send Reset_Failed_Contact_Counter command to the unit */ 82static int 83hci_reset_failed_contact_counter(int s, int argc, char **argv) 84{ 85 ng_hci_reset_failed_contact_cntr_cp cp; 86 ng_hci_reset_failed_contact_cntr_rp rp; 87 int n; 88 89 switch (argc) { 90 case 1: 91 /* connection handle */ 92 if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff) 93 return (USAGE); 94 95 cp.con_handle = (uint16_t) (n & 0x0fff); 96 cp.con_handle = htole16(cp.con_handle); 97 break; 98 99 default: 100 return (USAGE); 101 } 102 103 /* send command */ 104 n = sizeof(rp); 105 if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_STATUS, 106 NG_HCI_OCF_RESET_FAILED_CONTACT_CNTR), 107 (char const *) &cp, sizeof(cp), 108 (char *) &rp, &n) == ERROR) 109 return (ERROR); 110 111 if (rp.status != 0x00) { 112 fprintf(stdout, "Status: %s [%#02x]\n", 113 hci_status2str(rp.status), rp.status); 114 return (FAILED); 115 } 116 117 return (OK); 118} /* hci_reset_failed_contact_counter */ 119 120/* Sent Get_Link_Quality command to the unit */ 121static int 122hci_get_link_quality(int s, int argc, char **argv) 123{ 124 ng_hci_get_link_quality_cp cp; 125 ng_hci_get_link_quality_rp rp; 126 int n; 127 128 switch (argc) { 129 case 1: 130 /* connection handle */ 131 if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff) 132 return (USAGE); 133 134 cp.con_handle = (uint16_t) (n & 0x0fff); 135 cp.con_handle = htole16(cp.con_handle); 136 break; 137 138 default: 139 return (USAGE); 140 } 141 142 /* send command */ 143 n = sizeof(rp); 144 if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_STATUS, 145 NG_HCI_OCF_GET_LINK_QUALITY), 146 (char const *) &cp, sizeof(cp), 147 (char *) &rp, &n) == ERROR) 148 return (ERROR); 149 150 if (rp.status != 0x00) { 151 fprintf(stdout, "Status: %s [%#02x]\n", 152 hci_status2str(rp.status), rp.status); 153 return (FAILED); 154 } 155 156 fprintf(stdout, "Connection handle: %d\n", le16toh(rp.con_handle)); 157 fprintf(stdout, "Link quality: %d\n", le16toh(rp.quality)); 158 159 return (OK); 160} /* hci_get_link_quality */ 161 162/* Send Read_RSSI command to the unit */ 163static int 164hci_read_rssi(int s, int argc, char **argv) 165{ 166 ng_hci_read_rssi_cp cp; 167 ng_hci_read_rssi_rp rp; 168 int n; 169 170 switch (argc) { 171 case 1: 172 /* connection handle */ 173 if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff) 174 return (USAGE); 175 176 cp.con_handle = (uint16_t) (n & 0x0fff); 177 cp.con_handle = htole16(cp.con_handle); 178 break; 179 180 default: 181 return (USAGE); 182 } 183 184 /* send command */ 185 n = sizeof(rp); 186 if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_STATUS, 187 NG_HCI_OCF_READ_RSSI), 188 (char const *) &cp, sizeof(cp), 189 (char *) &rp, &n) == ERROR) 190 return (ERROR); 191 192 if (rp.status != 0x00) { 193 fprintf(stdout, "Status: %s [%#02x]\n", 194 hci_status2str(rp.status), rp.status); 195 return (FAILED); 196 } 197 198 fprintf(stdout, "Connection handle: %d\n", le16toh(rp.con_handle)); 199 fprintf(stdout, "RSSI: %d dB\n", (int) rp.rssi); 200 201 return (OK); 202} /* hci_read_rssi */ 203 204struct hci_command status_commands[] = { 205{ 206"read_failed_contact_counter <connection_handle>", 207"\nThis command will read the value for the Failed_Contact_Counter\n" \ 208"parameter for a particular ACL connection to another device.\n\n" \ 209"\t<connection_handle> - dddd; ACL connection handle\n", 210&hci_read_failed_contact_counter 211}, 212{ 213"reset_failed_contact_counter <connection_handle>", 214"\nThis command will reset the value for the Failed_Contact_Counter\n" \ 215"parameter for a particular ACL connection to another device.\n\n" \ 216"\t<connection_handle> - dddd; ACL connection handle\n", 217&hci_reset_failed_contact_counter 218}, 219{ 220"get_link_quality <connection_handle>", 221"\nThis command will return the value for the Link_Quality for the\n" \ 222"specified ACL connection handle. This command will return a Link_Quality\n" \ 223"value from 0-255, which represents the quality of the link between two\n" \ 224"Bluetooth devices. The higher the value, the better the link quality is.\n" \ 225"Each Bluetooth module vendor will determine how to measure the link quality." \ 226"\n\n" \ 227"\t<connection_handle> - dddd; ACL connection handle\n", 228&hci_get_link_quality 229}, 230{ 231"read_rssi <connection_handle>", 232"\nThis command will read the value for the difference between the\n" \ 233"measured Received Signal Strength Indication (RSSI) and the limits of\n" \ 234"the Golden Receive Power Range for a ACL connection handle to another\n" \ 235"Bluetooth device. Any positive RSSI value returned by the Host Controller\n" \ 236"indicates how many dB the RSSI is above the upper limit, any negative\n" \ 237"value indicates how many dB the RSSI is below the lower limit. The value\n" \ 238"zero indicates that the RSSI is inside the Golden Receive Power Range.\n\n" \ 239"\t<connection_handle> - dddd; ACL connection handle\n", 240&hci_read_rssi 241}, 242{ 243NULL, 244}}; 245 246