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 BLUEKITCHEN 24 * GMBH 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 46 #include <stdint.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <signal.h> 51 52 #include "btstack_config.h" 53 54 #include "ble/le_device_db_tlv.h" 55 #include "bluetooth_company_id.h" 56 #include "btstack_audio.h" 57 #include "btstack_chipset_zephyr.h" 58 #include "btstack_debug.h" 59 #include "btstack_event.h" 60 #include "btstack_memory.h" 61 #include "btstack_run_loop.h" 62 #include "btstack_run_loop_posix.h" 63 #include "btstack_signal.h" 64 #include "btstack_stdin.h" 65 #include "btstack_tlv_posix.h" 66 #include "classic/btstack_link_key_db_tlv.h" 67 #include "hal_led.h" 68 #include "hci.h" 69 #include "hci_dump.h" 70 #include "hci_dump_posix_fs.h" 71 #include "hci_transport.h" 72 #include "hci_transport_usb.h" 73 74 #define TLV_DB_PATH_PREFIX "/tmp/btstack_" 75 #define TLV_DB_PATH_POSTFIX ".tlv" 76 static char tlv_db_path[100]; 77 static const btstack_tlv_t * tlv_impl; 78 static btstack_tlv_posix_t tlv_context; 79 static bd_addr_t local_addr; 80 81 int btstack_main(int argc, const char * argv[]); 82 83 static const uint8_t read_static_address_command_complete_prefix[] = { 0x0e, 0x1b, 0x01, 0x09, 0xfc }; 84 85 static bd_addr_t static_address; 86 static int using_static_address; 87 88 static btstack_packet_callback_registration_t hci_event_callback_registration; 89 90 // shutdown 91 static bool shutdown_triggered; 92 93 static void local_version_information_handler(uint8_t * packet){ 94 printf("Local version information:\n"); 95 uint16_t hci_version = packet[6]; 96 uint16_t hci_revision = little_endian_read_16(packet, 7); 97 uint16_t lmp_version = packet[9]; 98 uint16_t manufacturer = little_endian_read_16(packet, 10); 99 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 100 printf("- HCI Version 0x%04x\n", hci_version); 101 printf("- HCI Revision 0x%04x\n", hci_revision); 102 printf("- LMP Version 0x%04x\n", lmp_version); 103 printf("- LMP Subversion 0x%04x\n", lmp_subversion); 104 printf("- Manufacturer 0x%04x\n", manufacturer); 105 switch (manufacturer){ 106 case BLUETOOTH_COMPANY_ID_THE_LINUX_FOUNDATION: 107 printf("- Linux Foundation - assume Zephyr hci_usb firmware running on nRF52xx\n"); 108 // setup Zephyr chipset support 109 hci_set_chipset(btstack_chipset_zephyr_instance()); 110 // sm required to setup static random Bluetooth address 111 sm_init(); 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 strcpy(tlv_db_path, TLV_DB_PATH_PREFIX); 132 strcat(tlv_db_path, bd_addr_to_str(local_addr)); 133 strcat(tlv_db_path, TLV_DB_PATH_POSTFIX); 134 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path); 135 btstack_tlv_set_instance(tlv_impl, &tlv_context); 136 #ifdef ENABLE_CLASSIC 137 hci_set_link_key_db(btstack_link_key_db_tlv_get_instance(tlv_impl, &tlv_context)); 138 #endif 139 #ifdef ENABLE_BLE 140 le_device_db_tlv_configure(tlv_impl, &tlv_context); 141 #endif 142 break; 143 case HCI_STATE_OFF: 144 btstack_tlv_posix_deinit(&tlv_context); 145 if (!shutdown_triggered) break; 146 // reset stdin 147 btstack_stdin_reset(); 148 log_info("Good bye, see you.\n"); 149 exit(0); 150 break; 151 default: 152 break; 153 } 154 break; 155 case HCI_EVENT_COMMAND_COMPLETE: 156 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_read_local_version_information)){ 157 local_version_information_handler(packet); 158 } 159 if (memcmp(packet, read_static_address_command_complete_prefix, sizeof(read_static_address_command_complete_prefix)) == 0){ 160 reverse_48(&packet[7], static_address); 161 gap_random_address_set(static_address); 162 using_static_address = 1; 163 } 164 break; 165 default: 166 break; 167 } 168 } 169 170 static void trigger_shutdown(void){ 171 printf("CTRL-C - SIGINT received, shutting down..\n"); 172 log_info("sigint_handler: shutting down"); 173 shutdown_triggered = true; 174 hci_power_control(HCI_POWER_OFF); 175 } 176 177 static int led_state = 0; 178 void hal_led_toggle(void){ 179 led_state = 1 - led_state; 180 printf("LED State %u\n", led_state); 181 } 182 183 #define USB_MAX_PATH_LEN 7 184 int main(int argc, const char * argv[]){ 185 186 uint8_t usb_path[USB_MAX_PATH_LEN]; 187 int usb_path_len = 0; 188 const char * usb_path_string = NULL; 189 if (argc >= 3 && strcmp(argv[1], "-u") == 0){ 190 // parse command line options for "-u 11:22:33" 191 usb_path_string = argv[2]; 192 printf("Specified USB Path: "); 193 while (1){ 194 char * delimiter; 195 int port = strtol(usb_path_string, &delimiter, 16); 196 usb_path[usb_path_len] = port; 197 usb_path_len++; 198 printf("%02x ", port); 199 if (!delimiter) break; 200 if (*delimiter != ':' && *delimiter != '-') break; 201 usb_path_string = delimiter+1; 202 } 203 printf("\n"); 204 argc -= 2; 205 memmove(&argv[1], &argv[3], (argc-1) * sizeof(char *)); 206 } 207 208 /// GET STARTED with BTstack /// 209 btstack_memory_init(); 210 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 211 212 if (usb_path_len){ 213 hci_transport_usb_set_path(usb_path_len, usb_path); 214 } 215 216 // log into file using HCI_DUMP_PACKETLOGGER format 217 char pklg_path[100]; 218 strcpy(pklg_path, "/tmp/hci_dump"); 219 if (usb_path_len){ 220 strcat(pklg_path, "_"); 221 strcat(pklg_path, usb_path_string); 222 } 223 strcat(pklg_path, ".pklg"); 224 hci_dump_posix_fs_open(pklg_path, HCI_DUMP_PACKETLOGGER); 225 const hci_dump_t * hci_dump_impl = hci_dump_posix_fs_get_instance(); 226 hci_dump_init(hci_dump_impl); 227 printf("Packet Log: %s\n", pklg_path); 228 229 // init HCI 230 hci_init(hci_transport_usb_instance(), NULL); 231 232 #ifdef HAVE_PORTAUDIO 233 btstack_audio_sink_set_instance(btstack_audio_portaudio_sink_get_instance()); 234 btstack_audio_source_set_instance(btstack_audio_portaudio_source_get_instance()); 235 #endif 236 237 // inform about BTstack state 238 hci_event_callback_registration.callback = &packet_handler; 239 hci_add_event_handler(&hci_event_callback_registration); 240 241 // register callback for CTRL-c 242 btstack_signal_register_callback(SIGINT, &trigger_shutdown); 243 244 // setup app 245 btstack_main(argc, argv); 246 247 // go 248 btstack_run_loop_execute(); 249 250 return 0; 251 } 252