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_chipset_zephyr.h" 57 #include "btstack_debug.h" 58 #include "btstack_event.h" 59 #include "btstack_memory.h" 60 #include "btstack_run_loop.h" 61 #include "btstack_run_loop_posix.h" 62 #include "btstack_signal.h" 63 #include "btstack_stdin.h" 64 #include "btstack_tlv_posix.h" 65 #include "btstack_uart.h" 66 #include "hci.h" 67 #include "hci_dump.h" 68 #include "hci_dump_posix_fs.h" 69 #include "hci_transport.h" 70 #include "hci_transport_h4.h" 71 72 int btstack_main(int argc, const char * argv[]); 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 bool shutdown_triggered; 80 81 static hci_transport_config_uart_t config = { 82 HCI_TRANSPORT_CONFIG_UART, 83 1000000, 84 0, // main baudrate 85 1, // flow control 86 NULL, 87 }; 88 89 static btstack_packet_callback_registration_t hci_event_callback_registration; 90 91 static const uint8_t read_static_address_command_complete_prefix[] = { 0x0e, 0x1b, 0x01, 0x09, 0xfc }; 92 static bd_addr_t static_address; 93 94 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 95 if (packet_type != HCI_EVENT_PACKET) return; 96 switch (hci_event_packet_get_type(packet)){ 97 case BTSTACK_EVENT_STATE: 98 switch(btstack_event_state_get_state(packet)){ 99 case HCI_STATE_WORKING: 100 printf("BTstack up and running as %s\n", bd_addr_to_str(static_address)); 101 // setup TLV 102 btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX); 103 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str_with_delimiter(static_address, '-')); 104 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX); 105 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path); 106 btstack_tlv_set_instance(tlv_impl, &tlv_context); 107 le_device_db_tlv_configure(tlv_impl, &tlv_context); 108 break; 109 case HCI_STATE_OFF: 110 btstack_tlv_posix_deinit(&tlv_context); 111 if (!shutdown_triggered) break; 112 // reset stdin 113 btstack_stdin_reset(); 114 log_info("Good bye, see you.\n"); 115 exit(0); 116 break; 117 default: 118 break; 119 } 120 break; 121 case HCI_EVENT_COMMAND_COMPLETE: 122 if (memcmp(packet, read_static_address_command_complete_prefix, sizeof(read_static_address_command_complete_prefix)) == 0){ 123 reverse_48(&packet[7], static_address); 124 gap_random_address_set(static_address); 125 } 126 break; 127 default: 128 break; 129 } 130 } 131 132 133 static void trigger_shutdown(void){ 134 printf("CTRL-C - SIGINT received, shutting down..\n"); 135 log_info("sigint_handler: shutting down"); 136 shutdown_triggered = true; 137 hci_power_control(HCI_POWER_OFF); 138 } 139 140 static int led_state = 0; 141 void hal_led_toggle(void){ 142 led_state = 1 - led_state; 143 printf("LED State %u\n", led_state); 144 } 145 146 int main(int argc, const char * argv[]){ 147 148 /// GET STARTED with BTstack /// 149 btstack_memory_init(); 150 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 151 152 // log into file using HCI_DUMP_PACKETLOGGER format 153 const char * pklg_path = "/tmp/hci_dump.pklg"; 154 hci_dump_posix_fs_open(pklg_path, HCI_DUMP_PACKETLOGGER); 155 const hci_dump_t * hci_dump_impl = hci_dump_posix_fs_get_instance(); 156 hci_dump_init(hci_dump_impl); 157 printf("Packet Log: %s\n", pklg_path); 158 159 // pick serial port 160 config.device_name = "/dev/tty.usbmodem0006830491191"; // PCA10056 nRF52840 161 162 // accept path from command line 163 if (argc >= 3 && strcmp(argv[1], "-u") == 0){ 164 config.device_name = argv[2]; 165 argc -= 2; 166 memmove((void *) &argv[1], &argv[3], (argc-1) * sizeof(char *)); 167 } 168 printf("H4 device: %s\n", config.device_name); 169 170 // init HCI 171 const btstack_uart_t * uart_driver = btstack_uart_posix_instance(); 172 const hci_transport_t * transport = hci_transport_h4_instance_for_uart(uart_driver); 173 hci_init(transport, (void*) &config); 174 hci_set_chipset(btstack_chipset_zephyr_instance()); 175 176 // inform about BTstack state 177 hci_event_callback_registration.callback = &packet_handler; 178 hci_add_event_handler(&hci_event_callback_registration); 179 180 // register callback for CTRL-c 181 btstack_signal_register_callback(SIGINT, &trigger_shutdown); 182 183 // setup app 184 btstack_main(argc, argv); 185 186 // sm required to setup static random Bluetooth address 187 sm_init(); 188 189 // go 190 btstack_run_loop_execute(); 191 192 return 0; 193 } 194