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 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 "btstack_debug.h" 55 #include "btstack_event.h" 56 #include "btstack_link_key_db_fs.h" 57 #include "btstack_memory.h" 58 #include "btstack_run_loop.h" 59 #include "btstack_run_loop_posix.h" 60 #include "bluetooth_company_id.h" 61 #include "hci.h" 62 #include "hci_dump.h" 63 #include "btstack_stdin.h" 64 65 int btstack_main(int argc, const char * argv[]); 66 67 static hci_transport_config_uart_t config = { 68 HCI_TRANSPORT_CONFIG_UART, 69 1000000, 70 0, // main baudrate 71 1, // flow control 72 NULL, 73 }; 74 75 static btstack_packet_callback_registration_t hci_event_callback_registration; 76 77 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 78 bd_addr_t addr; 79 if (packet_type != HCI_EVENT_PACKET) return; 80 switch (hci_event_packet_get_type(packet)){ 81 case BTSTACK_EVENT_STATE: 82 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break; 83 gap_local_bd_addr(addr); 84 printf("BTstack up and running at %s\n", bd_addr_to_str(addr)); 85 break; 86 default: 87 break; 88 } 89 } 90 91 static void sigint_handler(int param){ 92 UNUSED(param); 93 94 printf("CTRL-C - SIGINT received, shutting down..\n"); 95 log_info("sigint_handler: shutting down"); 96 97 // reset anyway 98 btstack_stdin_reset(); 99 100 // power down 101 hci_power_control(HCI_POWER_OFF); 102 hci_close(); 103 log_info("Good bye, see you.\n"); 104 exit(0); 105 } 106 107 static int led_state = 0; 108 void hal_led_toggle(void){ 109 led_state = 1 - led_state; 110 printf("LED State %u\n", led_state); 111 } 112 113 int main(int argc, const char * argv[]){ 114 115 /// GET STARTED with BTstack /// 116 btstack_memory_init(); 117 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 118 119 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 120 hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER); 121 122 // pick serial port 123 config.device_name = "/dev/tty.usbmodem14514411"; // PCA10040 nRF52832 124 125 // accept path from command line 126 if (argc >= 3 && strcmp(argv[1], "-u") == 0){ 127 config.device_name = argv[2]; 128 argc -= 2; 129 memmove(&argv[0], &argv[2], argc * sizeof(char *)); 130 } 131 printf("H4 device: %s\n", config.device_name); 132 133 // init HCI 134 const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance(); 135 const hci_transport_t * transport = hci_transport_h4_instance(uart_driver); 136 const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance(); 137 hci_init(transport, (void*) &config); 138 hci_set_link_key_db(link_key_db); 139 140 // inform about BTstack state 141 hci_event_callback_registration.callback = &packet_handler; 142 hci_add_event_handler(&hci_event_callback_registration); 143 144 // handle CTRL-c 145 signal(SIGINT, sigint_handler); 146 147 // setup app 148 btstack_main(argc, argv); 149 150 // go 151 btstack_run_loop_execute(); 152 153 return 0; 154 } 155