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
setup_tlv(bd_addr_t addr)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
packet_handler(uint8_t packet_type,uint16_t channel,uint8_t * packet,uint16_t size)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
trigger_shutdown(void)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;
hal_led_toggle(void)179 void hal_led_toggle(void){
180 led_state = 1 - led_state;
181 printf("LED State %u\n", led_state);
182 }
183
local_version_information_handler(uint8_t * packet)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
main(int argc,const char * argv[])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