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 bd_addr_t static_address;
92
packet_handler(uint8_t packet_type,uint16_t channel,uint8_t * packet,uint16_t size)93 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
94 const uint8_t *params;
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 switch (hci_event_command_complete_get_command_opcode(packet)){
123 case HCI_OPCODE_HCI_ZEPHYR_READ_STATIC_ADDRESS:
124 params = hci_event_command_complete_get_return_parameters(packet);
125 if(params[0] != 0)
126 break;
127 if(size < 13)
128 break;
129 reverse_48(¶ms[2], static_address);
130 gap_random_address_set(static_address);
131 break;
132 default:
133 break;
134 }
135 break;
136 default:
137 break;
138 }
139 }
140
141
trigger_shutdown(void)142 static void trigger_shutdown(void){
143 printf("CTRL-C - SIGINT received, shutting down..\n");
144 log_info("sigint_handler: shutting down");
145 shutdown_triggered = true;
146 hci_power_control(HCI_POWER_OFF);
147 }
148
149 static int led_state = 0;
hal_led_toggle(void)150 void hal_led_toggle(void){
151 led_state = 1 - led_state;
152 printf("LED State %u\n", led_state);
153 }
154
main(int argc,const char * argv[])155 int main(int argc, const char * argv[]){
156
157 /// GET STARTED with BTstack ///
158 btstack_memory_init();
159 btstack_run_loop_init(btstack_run_loop_posix_get_instance());
160
161 // log into file using HCI_DUMP_PACKETLOGGER format
162 const char * pklg_path = "/tmp/hci_dump.pklg";
163 hci_dump_posix_fs_open(pklg_path, HCI_DUMP_PACKETLOGGER);
164 const hci_dump_t * hci_dump_impl = hci_dump_posix_fs_get_instance();
165 hci_dump_init(hci_dump_impl);
166 printf("Packet Log: %s\n", pklg_path);
167
168 // pick serial port
169 config.device_name = "/dev/tty.usbmodem0006830491191"; // PCA10056 nRF52840
170
171 // accept path from command line
172 if (argc >= 3 && strcmp(argv[1], "-u") == 0){
173 config.device_name = argv[2];
174 argc -= 2;
175 memmove((void *) &argv[1], &argv[3], (argc-1) * sizeof(char *));
176 }
177 printf("H4 device: %s\n", config.device_name);
178
179 // init HCI
180 const btstack_uart_t * uart_driver = btstack_uart_posix_instance();
181 const hci_transport_t * transport = hci_transport_h4_instance_for_uart(uart_driver);
182 hci_init(transport, (void*) &config);
183 hci_set_chipset(btstack_chipset_zephyr_instance());
184
185 // inform about BTstack state
186 hci_event_callback_registration.callback = &packet_handler;
187 hci_add_event_handler(&hci_event_callback_registration);
188
189 // register callback for CTRL-c
190 btstack_signal_register_callback(SIGINT, &trigger_shutdown);
191
192 // setup app
193 btstack_main(argc, argv);
194
195 // sm required to setup static random Bluetooth address
196 sm_init();
197
198 // go
199 btstack_run_loop_execute();
200
201 return 0;
202 }
203