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 #include <limits.h> 52 #include <libgen.h> 53 54 #include "btstack_config.h" 55 56 #include "ble/le_device_db_tlv.h" 57 #include "bluetooth_company_id.h" 58 #include "btstack_audio.h" 59 #include "btstack_debug.h" 60 #include "btstack_event.h" 61 #include "btstack_memory.h" 62 #include "btstack_run_loop.h" 63 #include "btstack_run_loop_posix.h" 64 #include "btstack_signal.h" 65 #include "btstack_stdin.h" 66 #include "btstack_tlv_posix.h" 67 #include "btstack_uart.h" 68 #include "classic/btstack_link_key_db_tlv.h" 69 #include "hci.h" 70 #include "hci_dump.h" 71 #include "hci_dump_posix_fs.h" 72 #include "hci_transport.h" 73 #include "hci_transport_h4.h" 74 #include "btstack_chipset_bcm.h" 75 #include "btstack_chipset_zephyr.h" 76 77 #define TLV_DB_PATH_PREFIX "/tmp/btstack_" 78 #define TLV_DB_PATH_POSTFIX ".tlv" 79 static char tlv_db_path[100]; 80 static const btstack_tlv_t * tlv_impl; 81 static btstack_tlv_posix_t tlv_context; 82 83 static btstack_packet_callback_registration_t hci_event_callback_registration; 84 85 static bd_addr_t static_address; 86 87 // random MAC address for the device, used if nothing else is available 88 static const bd_addr_t random_address = { 0xC1, 0x01, 0x01, 0x01, 0x01, 0x01 }; 89 90 // shutdown 91 static bool shutdown_triggered; 92 93 int btstack_main(int argc, const char * argv[]); 94 static void local_version_information_handler(uint8_t * packet); 95 96 static hci_transport_config_uart_t config = { 97 HCI_TRANSPORT_CONFIG_UART, 98 115200, 99 0, // main baudrate 100 1, // flow control 101 NULL, 102 }; 103 104 static void setup_tlv(bd_addr_t addr){ 105 printf("BTstack up and running on %s.\n", bd_addr_to_str(addr)); 106 btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX); 107 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str(addr)); 108 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX); 109 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path); 110 btstack_tlv_set_instance(tlv_impl, &tlv_context); 111 #ifdef ENABLE_CLASSIC 112 hci_set_link_key_db(btstack_link_key_db_tlv_get_instance(tlv_impl, &tlv_context)); 113 #endif 114 #ifdef ENABLE_BLE 115 le_device_db_tlv_configure(tlv_impl, &tlv_context); 116 #endif 117 } 118 119 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 120 bd_addr_t local_addr; 121 const uint8_t *params; 122 if (packet_type != HCI_EVENT_PACKET) return; 123 switch (hci_event_packet_get_type(packet)){ 124 case BTSTACK_EVENT_STATE: 125 switch(btstack_event_state_get_state(packet)){ 126 case HCI_STATE_WORKING: 127 gap_local_bd_addr(local_addr); 128 if( btstack_is_null_bd_addr(local_addr) && !btstack_is_null_bd_addr(static_address) ) { 129 memcpy(local_addr, static_address, sizeof(bd_addr_t)); 130 } else if( btstack_is_null_bd_addr(local_addr ) && btstack_is_null_bd_addr(static_address) ) { 131 memcpy(local_addr, random_address, sizeof(bd_addr_t)); 132 gap_random_address_set(local_addr); 133 } 134 setup_tlv(local_addr); 135 break; 136 case HCI_STATE_OFF: 137 btstack_tlv_posix_deinit(&tlv_context); 138 if (!shutdown_triggered) break; 139 // reset stdin 140 btstack_stdin_reset(); 141 log_info("Good bye, see you.\n"); 142 exit(0); 143 break; 144 default: 145 break; 146 } 147 break; 148 case HCI_EVENT_COMMAND_COMPLETE: 149 switch (hci_event_command_complete_get_command_opcode(packet)){ 150 case HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION: 151 local_version_information_handler(packet); 152 break; 153 case HCI_OPCODE_HCI_ZEPHYR_READ_STATIC_ADDRESS: 154 params = hci_event_command_complete_get_return_parameters(packet); 155 if(params[0] != 0) 156 break; 157 if(size < 13) 158 break; 159 reverse_48(¶ms[2], static_address); 160 gap_random_address_set(static_address); 161 break; 162 default: 163 break; 164 } 165 break; 166 default: 167 break; 168 } 169 } 170 171 static void trigger_shutdown(void){ 172 printf("CTRL-C - SIGINT received, shutting down..\n"); 173 log_info("sigint_handler: shutting down"); 174 shutdown_triggered = true; 175 hci_power_control(HCI_POWER_OFF); 176 } 177 178 static int led_state = 0; 179 void hal_led_toggle(void){ 180 led_state = 1 - led_state; 181 printf("LED State %u\n", led_state); 182 } 183 184 static void local_version_information_handler(uint8_t * packet){ 185 printf("Local version information:\n"); 186 uint16_t hci_version = packet[6]; 187 uint16_t hci_revision = little_endian_read_16(packet, 7); 188 uint16_t lmp_version = packet[9]; 189 uint16_t manufacturer = little_endian_read_16(packet, 10); 190 uint16_t lmp_subversion = little_endian_read_16(packet, 12); 191 printf("- HCI Version 0x%04x\n", hci_version); 192 printf("- HCI Revision 0x%04x\n", hci_revision); 193 printf("- LMP Version 0x%04x\n", lmp_version); 194 printf("- LMP Subversion 0x%04x\n", lmp_subversion); 195 printf("- Manufacturer 0x%04x\n", manufacturer); 196 switch (manufacturer){ 197 case BLUETOOTH_COMPANY_ID_PACKETCRAFT_INC: 198 printf("PacketCraft HCI Controller\n"); 199 break; 200 case BLUETOOTH_COMPANY_ID_THE_LINUX_FOUNDATION: 201 printf("Zephyr HCI Controller\n"); 202 printf("WARNING - untested probably won't work!\n"); 203 hci_set_chipset(btstack_chipset_zephyr_instance()); 204 break; 205 case BLUETOOTH_COMPANY_ID_INFINEON_TECHNOLOGIES_AG: 206 case BLUETOOTH_COMPANY_ID_BROADCOM_CORPORATION: 207 printf("Broadcom/Cypress/Infineon Controller\n"); 208 config.baudrate_main = 921600; 209 hci_set_chipset(btstack_chipset_bcm_instance()); 210 break; 211 default: 212 printf("Unknown manufacturer / manufacturer not supported yet.\n"); 213 break; 214 } 215 } 216 217 int main(int argc, const char * argv[]){ 218 219 /// GET STARTED with BTstack /// 220 btstack_memory_init(); 221 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 222 223 // pre-select serial device 224 config.device_name = "/dev/tty.usbmodemEA7EB9D612C31"; // BL654 with PTS Firmware 225 226 // accept path from command line 227 bool second_device = false; 228 if (argc >= 3 && strcmp(argv[1], "-u") == 0){ 229 config.device_name = argv[2]; 230 second_device = true; 231 argc -= 2; 232 memmove((void *) &argv[1], &argv[3], (argc-1) * sizeof(char *)); 233 } 234 printf("H4 device: %s\n", config.device_name); 235 236 // log into file using HCI_DUMP_BTSNOOP format 237 char *app_name = strndup( argv[0], PATH_MAX ); 238 char *base_name = basename( app_name ); 239 const char *pklg_postfix = ".btsnoop"; 240 char pklg_path[PATH_MAX] = "/tmp/hci_dump_"; 241 242 btstack_strcat( pklg_path, sizeof(pklg_path), base_name ); 243 btstack_strcat( pklg_path, sizeof(pklg_path), pklg_postfix ); 244 free( app_name ); 245 246 hci_dump_posix_fs_open(pklg_path, HCI_DUMP_BTSNOOP); 247 const hci_dump_t * hci_dump_impl = hci_dump_posix_fs_get_instance(); 248 hci_dump_init(hci_dump_impl); 249 printf("Packet Log: %s\n", pklg_path); 250 251 // init HCI 252 const btstack_uart_t * uart_driver = btstack_uart_posix_instance(); 253 const hci_transport_t * transport = hci_transport_h4_instance_for_uart(uart_driver); 254 hci_init(transport, (void*) &config); 255 256 #ifdef HAVE_PORTAUDIO 257 btstack_audio_sink_set_instance(btstack_audio_portaudio_sink_get_instance()); 258 btstack_audio_source_set_instance(btstack_audio_portaudio_source_get_instance()); 259 #endif 260 261 // inform about BTstack state 262 hci_event_callback_registration.callback = &packet_handler; 263 hci_add_event_handler(&hci_event_callback_registration); 264 265 // register callback for CTRL-c 266 btstack_signal_register_callback(SIGINT, &trigger_shutdown); 267 268 // setup app 269 btstack_main(argc, argv); 270 271 // go 272 btstack_run_loop_execute(); 273 274 return 0; 275 } 276