1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define __BTSTACK_FILE__ "main.c" 39 40 // ***************************************************************************** 41 // 42 // minimal setup for HCI code 43 // 44 // ***************************************************************************** 45 #include <getopt.h> 46 #include <errno.h> 47 #include <stdint.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <signal.h> 52 #include <unistd.h> 53 54 #include "btstack_config.h" 55 56 #include "bluetooth_company_id.h" 57 #include "btstack_debug.h" 58 #include "btstack_event.h" 59 #include "ble/le_device_db_tlv.h" 60 #include "classic/btstack_link_key_db_tlv.h" 61 #include "btstack_memory.h" 62 #include "btstack_run_loop.h" 63 #include "btstack_run_loop_posix.h" 64 #include "hal_led.h" 65 #include "hci.h" 66 #include "hci_transport.h" 67 #include "hci_transport_usb.h" 68 #include "hci_dump.h" 69 #include "hci_dump_posix_fs.h" 70 #include "btstack_stdin.h" 71 #include "btstack_audio.h" 72 #include "btstack_tlv_posix.h" 73 #include "btstack_chipset_zephyr.h" 74 75 #define TLV_DB_PATH_PREFIX "/tmp/btstack_" 76 #define TLV_DB_PATH_POSTFIX ".tlv" 77 static char tlv_db_path[100]; 78 static bool tlv_clear = false; 79 static const btstack_tlv_t * tlv_impl; 80 static btstack_tlv_posix_t tlv_context; 81 static bd_addr_t local_addr; 82 83 #define MAX_CMD_LINE_ITEMS 100 84 static int app_argc = 0; 85 static const char *app_argv[MAX_CMD_LINE_ITEMS] = { NULL }; 86 87 int btstack_main(int argc, const char * argv[]); 88 89 static const uint8_t read_static_address_command_complete_prefix[] = { 0x0e, 0x1b, 0x01, 0x09, 0xfc }; 90 91 static bd_addr_t static_address; 92 static int using_static_address; 93 94 static btstack_packet_callback_registration_t hci_event_callback_registration; 95 96 static void local_version_information_handler(uint8_t * packet){ 97 printf("Local version information:\n"); 98 uint16_t hci_version = packet[6]; 99 uint16_t hci_revision = little_endian_read_16(packet, 7); 100 uint16_t lmp_version = packet[9]; 101 uint16_t manufacturer = little_endian_read_16(packet, 10); 102 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 103 printf("- HCI Version 0x%04x\n", hci_version); 104 printf("- HCI Revision 0x%04x\n", hci_revision); 105 printf("- LMP Version 0x%04x\n", lmp_version); 106 printf("- LMP Subversion 0x%04x\n", lmp_subversion); 107 printf("- Manufacturer 0x%04x\n", manufacturer); 108 switch (manufacturer){ 109 case BLUETOOTH_COMPANY_ID_THE_LINUX_FOUNDATION: 110 printf("Linux Foundation - assume Zephyr hci_usb example running on nRF52xx\n"); 111 hci_set_chipset(btstack_chipset_zephyr_instance()); 112 break; 113 default: 114 break; 115 } 116 } 117 118 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 119 UNUSED(channel); 120 UNUSED(size); 121 if (packet_type != HCI_EVENT_PACKET) return; 122 switch (hci_event_packet_get_type(packet)){ 123 case BTSTACK_EVENT_STATE: 124 switch (btstack_event_state_get_state(packet)){ 125 case HCI_STATE_WORKING: 126 gap_local_bd_addr(local_addr); 127 if (using_static_address){ 128 memcpy(local_addr, static_address, 6); 129 } 130 printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr)); 131 btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX); 132 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str(local_addr)); 133 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX); 134 printf("TLV path: %s", tlv_db_path); 135 if (tlv_clear){ 136 int rc = unlink(tlv_db_path); 137 if((rc == 0) || ( errno == ENOENT )){ 138 printf(", clear ok\n"); 139 } else { 140 printf(", clear failed because %s\n", strerror(errno)); 141 } 142 } 143 144 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path); 145 btstack_tlv_set_instance(tlv_impl, &tlv_context); 146 #ifdef ENABLE_CLASSIC 147 hci_set_link_key_db(btstack_link_key_db_tlv_get_instance(tlv_impl, &tlv_context)); 148 #endif 149 #ifdef ENABLE_BLE 150 le_device_db_tlv_configure(tlv_impl, &tlv_context); 151 #endif 152 break; 153 case HCI_STATE_OFF: 154 btstack_tlv_posix_deinit(&tlv_context); 155 break; 156 default: 157 break; 158 } 159 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 160 break; 161 case HCI_EVENT_COMMAND_COMPLETE: 162 if (hci_event_command_complete_get_command_opcode(packet) == HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION){ 163 local_version_information_handler(packet); 164 } 165 if (memcmp(packet, read_static_address_command_complete_prefix, sizeof(read_static_address_command_complete_prefix)) == 0){ 166 reverse_48(&packet[7], static_address); 167 gap_random_address_set(static_address); 168 using_static_address = 1; 169 } 170 break; 171 default: 172 break; 173 } 174 } 175 176 static void sigint_handler(int param){ 177 UNUSED(param); 178 179 printf("CTRL-C - SIGINT received, shutting down..\n"); 180 log_info("sigint_handler: shutting down"); 181 182 // reset anyway 183 btstack_stdin_reset(); 184 185 // power down 186 hci_power_control(HCI_POWER_OFF); 187 hci_close(); 188 log_info("Good bye, see you.\n"); 189 exit(0); 190 } 191 192 static int led_state = 0; 193 void hal_led_toggle(void){ 194 led_state = 1 - led_state; 195 printf("LED State %u\n", led_state); 196 } 197 198 static void btstack_log_cmd_line( int argc, const char *args[] ) 199 { 200 char buf[2048] = "command line:"; 201 char *ptr = buf+strlen(buf); 202 size_t len = sizeof(buf); 203 for( int i=0; i<argc; ++i ) 204 { 205 int ret = snprintf(ptr, len, " %s", args[i]); 206 // avoid overflow 207 if((ret < 0) || ( (size_t)ret >= len )) 208 { 209 log_error("command line truncated!"); 210 break; 211 } 212 // terminate string 213 ptr[ret] = 0; 214 len -= ret; 215 ptr += ret; 216 } 217 log_info("%s", buf); 218 219 } 220 221 static const char short_options[] = "-hu:l:c"; 222 223 static const struct option long_options[] = { 224 {"help", no_argument, NULL, 'h'}, 225 {"logfile", required_argument, NULL, 'l'}, 226 {"clear-tlv", no_argument, NULL, 'c'}, 227 {"usbpath", required_argument, NULL, 'u'}, 228 {0, 0, 0, 0} 229 }; 230 231 static const char *help_options[] = { 232 "print (this) help.", 233 "set file to store debug output and HCI trace.", 234 "clear bonding information stored in TLV.", 235 "set USB path to Bluetooth Controller.", 236 }; 237 238 static const char *option_arg_name[] = { 239 "", 240 "LOGFILE", 241 "", 242 "USBPATH", 243 }; 244 245 static void usage(const char *name){ 246 unsigned int i; 247 printf( "usage:\n\t%s [options]\n", name ); 248 printf("valid options:\n"); 249 for( i=0; long_options[i].name != 0; i++) { 250 printf("--%-10s| -%c %-10s\t\t%s\n", long_options[i].name, long_options[i].val, option_arg_name[i], help_options[i] ); 251 } 252 } 253 254 static void clear_argv(int idx){ 255 app_argv[idx] = NULL; 256 } 257 258 static void shift_argv(int idx){ 259 for( int i=idx; i<app_argc-1; ++i ) 260 { 261 app_argv[i] = app_argv[i+1]; 262 } 263 app_argc--; 264 } 265 266 static void cleanup_argv(void){ 267 for( int i=0; i<app_argc; ){ 268 if( app_argv[i] == NULL ) 269 shift_argv( i ); 270 else{ 271 ++i; 272 } 273 } 274 } 275 276 #define USB_MAX_PATH_LEN 7 277 int main(int argc, const char * argv[]){ 278 279 uint8_t usb_path[USB_MAX_PATH_LEN]; 280 int usb_path_len = 0; 281 const char * usb_path_string = NULL; 282 const char * log_file_path = NULL; 283 284 btstack_assert( argc < MAX_CMD_LINE_ITEMS ); 285 app_argc = argc; 286 for( int i=0; i<argc; ++i ){ 287 app_argv[i] = argv[i]; 288 } 289 290 opterr = 0; // disable error message on unknown options 291 // parse command line parameters 292 while(true){ 293 int c = getopt_long( argc, (char* const *)argv, short_options, long_options, NULL ); 294 if (c < 0) { 295 break; 296 } 297 switch (c) { 298 case 'u': 299 usb_path_string = optarg; 300 clear_argv( optind - 1 ); 301 clear_argv( optind - 2 ); 302 break; 303 case 'l': 304 log_file_path = optarg; 305 clear_argv( optind - 1 ); 306 clear_argv( optind - 2 ); 307 break; 308 case 'c': 309 tlv_clear = true; 310 clear_argv( optind - 1 ); 311 break; 312 case '?': 313 case 1: 314 break; 315 case 'h': 316 default: 317 usage(argv[0]); 318 return EXIT_FAILURE; 319 } 320 } 321 322 if (usb_path_string != NULL){ 323 // parse command line options for "-u 11:22:33" 324 printf("Specified USB Path: "); 325 while (1){ 326 char * delimiter; 327 int port = strtol(usb_path_string, &delimiter, 16); 328 usb_path[usb_path_len] = port; 329 usb_path_len++; 330 printf("%02x ", port); 331 if (!delimiter) break; 332 if (*delimiter != ':' && *delimiter != '-') break; 333 usb_path_string = delimiter+1; 334 } 335 printf("\n"); 336 } 337 338 // remove used up command line args 339 cleanup_argv(); 340 341 /// GET STARTED with BTstack /// 342 btstack_memory_init(); 343 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 344 345 if (usb_path_len){ 346 hci_transport_usb_set_path(usb_path_len, usb_path); 347 } 348 349 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 350 char pklg_path[100]; 351 btstack_strcpy(pklg_path, sizeof(pklg_path), "/tmp/hci_dump"); 352 if (usb_path_len){ 353 btstack_strcat(pklg_path, sizeof(pklg_path), "_"); 354 btstack_strcat(pklg_path, sizeof(pklg_path), usb_path_string); 355 } 356 btstack_strcat(pklg_path, sizeof(pklg_path), ".pklg"); 357 358 // use path from command line if given 359 if( log_file_path != NULL ){ 360 btstack_strcpy(pklg_path, sizeof(pklg_path), log_file_path ); 361 } 362 363 // log into file using HCI_DUMP_PACKETLOGGER format 364 hci_dump_posix_fs_open(pklg_path, HCI_DUMP_PACKETLOGGER); 365 hci_dump_init(hci_dump_posix_fs_get_instance()); 366 printf("Packet Log: %s\n", pklg_path); 367 368 // let the log contain the calling parameters 369 btstack_log_cmd_line( app_argc, app_argv ); 370 371 // init HCI 372 hci_init(hci_transport_usb_instance(), NULL); 373 374 #ifdef HAVE_PORTAUDIO 375 btstack_audio_sink_set_instance(btstack_audio_portaudio_sink_get_instance()); 376 btstack_audio_source_set_instance(btstack_audio_portaudio_source_get_instance()); 377 #endif 378 379 // inform about BTstack state 380 hci_event_callback_registration.callback = &packet_handler; 381 hci_add_event_handler(&hci_event_callback_registration); 382 383 // handle CTRL-c 384 signal(SIGINT, sigint_handler); 385 386 // setup app 387 btstack_main(app_argc, app_argv); 388 389 // go 390 btstack_run_loop_execute(); 391 392 return 0; 393 } 394