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 <getopt.h>
47 #include <stdint.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <signal.h>
52 #include <unistd.h>
53 #include <hci_dump_posix_stdout.h>
54
55 #include "btstack_config.h"
56
57 #include "ble/le_device_db_tlv.h"
58 #include "bluetooth_company_id.h"
59 #include "btstack_audio.h"
60 #include "btstack_chipset_realtek.h"
61 #include "btstack_chipset_zephyr.h"
62 #include "btstack_debug.h"
63 #include "btstack_event.h"
64 #include "btstack_memory.h"
65 #include "btstack_run_loop.h"
66 #include "btstack_run_loop_posix.h"
67 #include "btstack_signal.h"
68 #include "btstack_stdin.h"
69 #include "btstack_tlv_posix.h"
70 #include "classic/btstack_link_key_db_tlv.h"
71 #include "hal_led.h"
72 #include "hci.h"
73 #include "hci_dump.h"
74 #include "hci_dump_posix_fs.h"
75 #include "hci_transport.h"
76 #include "hci_transport_usb.h"
77
78 #define USB_VENDOR_ID_REALTEK 0x0bda
79
80 #define TLV_DB_PATH_PREFIX "/tmp/btstack_"
81 #define TLV_DB_PATH_POSTFIX ".tlv"
82 static char tlv_db_path[100];
83 static bool tlv_reset;
84 static const btstack_tlv_t * tlv_impl;
85 static btstack_tlv_posix_t tlv_context;
86 static bd_addr_t local_addr;
87
88 int btstack_main(int argc, const char * argv[]);
89
90 static bd_addr_t static_address;
91 static int using_static_address;
92
93 static btstack_packet_callback_registration_t hci_event_callback_registration;
94
95 // shutdown
96 static bool shutdown_triggered;
97
local_version_information_handler(uint8_t * packet)98 static void local_version_information_handler(uint8_t * packet){
99 printf("Local version information:\n");
100 uint16_t hci_version = packet[6];
101 uint16_t hci_revision = little_endian_read_16(packet, 7);
102 uint16_t lmp_version = packet[9];
103 uint16_t manufacturer = little_endian_read_16(packet, 10);
104 uint16_t lmp_subversion = little_endian_read_16(packet, 12);
105 printf("- HCI Version 0x%04x\n", hci_version);
106 printf("- HCI Revision 0x%04x\n", hci_revision);
107 printf("- LMP Version 0x%04x\n", lmp_version);
108 printf("- LMP Subversion 0x%04x\n", lmp_subversion);
109 printf("- Manufacturer 0x%04x\n", manufacturer);
110 switch (manufacturer){
111 case BLUETOOTH_COMPANY_ID_THE_LINUX_FOUNDATION:
112 printf("- Linux Foundation - assume Zephyr hci_usb firmware running on nRF52xx\n");
113 // setup Zephyr chipset support
114 hci_set_chipset(btstack_chipset_zephyr_instance());
115 // sm required to setup static random Bluetooth address
116 sm_init();
117 break;
118 default:
119 break;
120 }
121 }
122
packet_handler(uint8_t packet_type,uint16_t channel,uint8_t * packet,uint16_t size)123 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
124 UNUSED(channel);
125 UNUSED(size);
126 uint8_t i;
127 uint8_t usb_path_len;
128 const uint8_t * usb_path;
129 uint16_t product_id;
130 uint16_t vendor_id;
131 const uint8_t * params;
132
133 if (packet_type != HCI_EVENT_PACKET) return;
134
135 switch (hci_event_packet_get_type(packet)){
136 case HCI_EVENT_TRANSPORT_USB_INFO:
137 usb_path_len = hci_event_transport_usb_info_get_path_len(packet);
138 usb_path = hci_event_transport_usb_info_get_path(packet);
139 // print device path
140 product_id = hci_event_transport_usb_info_get_product_id(packet);
141 vendor_id = hci_event_transport_usb_info_get_vendor_id(packet);
142 printf("USB device 0x%04x/0x%04x, path: ", vendor_id, product_id);
143 for (i=0;i<usb_path_len;i++){
144 if (i) printf("-");
145 printf("%02x", usb_path[i]);
146 }
147 printf("\n");
148
149 // set Product ID for Realtek Controllers and use Realtek-specific stack startup
150 if (vendor_id == USB_VENDOR_ID_REALTEK) {
151 printf("Realtek Controller - requires firmware and config download\n");
152 btstack_chipset_realtek_set_product_id(product_id);
153 hci_set_chipset(btstack_chipset_realtek_instance());
154 hci_enable_custom_pre_init();
155 }
156 break;
157 case BTSTACK_EVENT_STATE:
158 switch (btstack_event_state_get_state(packet)){
159 case HCI_STATE_WORKING:
160 gap_local_bd_addr(local_addr);
161 if (using_static_address){
162 memcpy(local_addr, static_address, 6);
163 }
164 btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX);
165 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str_with_delimiter(local_addr, '-'));
166 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX);
167 printf("TLV path: %s", tlv_db_path);
168 if (tlv_reset){
169 int rc = unlink(tlv_db_path);
170 if (rc == 0) {
171 printf(", reset ok");
172 } else {
173 printf(", reset failed with result = %d", rc);
174 }
175 }
176 printf("\n");
177 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
178 btstack_tlv_set_instance(tlv_impl, &tlv_context);
179 #ifdef ENABLE_CLASSIC
180 hci_set_link_key_db(btstack_link_key_db_tlv_get_instance(tlv_impl, &tlv_context));
181 #endif
182 #ifdef ENABLE_BLE
183 le_device_db_tlv_configure(tlv_impl, &tlv_context);
184 #endif
185 printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr));
186 break;
187 case HCI_STATE_OFF:
188 btstack_tlv_posix_deinit(&tlv_context);
189 if (!shutdown_triggered) break;
190 // reset stdin
191 btstack_stdin_reset();
192 log_info("Good bye, see you.\n");
193 exit(0);
194 break;
195 default:
196 break;
197 }
198 break;
199 case HCI_EVENT_COMMAND_COMPLETE:
200 switch (hci_event_command_complete_get_command_opcode(packet)){
201 case HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION:
202 local_version_information_handler(packet);
203 break;
204 case HCI_OPCODE_HCI_ZEPHYR_READ_STATIC_ADDRESS:
205 params = hci_event_command_complete_get_return_parameters(packet);
206 if(params[0] != 0)
207 break;
208 if(size < 13)
209 break;
210 reverse_48(¶ms[2], static_address);
211 gap_random_address_set(static_address);
212 using_static_address = 1;
213 break;
214 default:
215 break;
216 }
217 break;
218 default:
219 break;
220 }
221 }
222
trigger_shutdown(void)223 static void trigger_shutdown(void){
224 printf("CTRL-C - SIGINT received, shutting down..\n");
225 log_info("sigint_handler: shutting down");
226 shutdown_triggered = true;
227 hci_power_control(HCI_POWER_OFF);
228 }
229
230 static int led_state = 0;
231
hal_led_toggle(void)232 void hal_led_toggle(void){
233 led_state = 1 - led_state;
234 printf("LED State %u\n", led_state);
235 }
236
237 static char short_options[] = "hu:l:r";
238
239 static struct option long_options[] = {
240 {"help", no_argument, NULL, 'h'},
241 {"logfile", required_argument, NULL, 'l'},
242 {"reset-tlv", no_argument, NULL, 'r'},
243 {"usbpath", required_argument, NULL, 'u'},
244 {0, 0, 0, 0}
245 };
246
247 static char *help_options[] = {
248 "print (this) help.",
249 "set file to store debug output and HCI trace.",
250 "reset bonding information stored in TLV.",
251 "set USB path to Bluetooth Controller.",
252 };
253
254 static char *option_arg_name[] = {
255 "",
256 "LOGFILE",
257 "",
258 "USBPATH",
259 };
260
usage(const char * name)261 static void usage(const char *name){
262 unsigned int i;
263 printf( "usage:\n\t%s [options]\n", name );
264 printf("valid options:\n");
265 for( i=0; long_options[i].name != 0; i++) {
266 printf("--%-10s| -%c %-10s\t\t%s\n", long_options[i].name, long_options[i].val, option_arg_name[i], help_options[i] );
267 }
268 }
269
270 #define USB_MAX_PATH_LEN 7
main(int argc,const char * argv[])271 int main(int argc, const char * argv[]){
272
273 uint8_t usb_path[USB_MAX_PATH_LEN];
274 int usb_path_len = 0;
275 const char * usb_path_string = NULL;
276 const char * log_file_path = NULL;
277
278 // parse command line parameters
279 while(true){
280 int c = getopt_long( argc, (char* const *)argv, short_options, long_options, NULL );
281 if (c < 0) {
282 break;
283 }
284 if (c == '?'){
285 break;
286 }
287 switch (c) {
288 case 'u':
289 usb_path_string = optarg;
290 break;
291 case 'l':
292 log_file_path = optarg;
293 break;
294 case 'r':
295 tlv_reset = true;
296 break;
297 case 'h':
298 default:
299 usage(argv[0]);
300 return EXIT_FAILURE;
301 }
302 }
303
304 if (usb_path_string != NULL){
305 // parse command line options for "-u 11:22:33"
306 printf("Specified USB Path: ");
307 while (1){
308 char * delimiter;
309 int port = strtol(usb_path_string, &delimiter, 16);
310 usb_path[usb_path_len] = port;
311 usb_path_len++;
312 printf("%02x ", port);
313 if (!delimiter) break;
314 if (*delimiter != ':' && *delimiter != '-') break;
315 usb_path_string = delimiter+1;
316 }
317 printf("\n");
318 }
319
320 /// GET STARTED with BTstack ///
321 btstack_memory_init();
322 btstack_run_loop_init(btstack_run_loop_posix_get_instance());
323
324 if (usb_path_len){
325 hci_transport_usb_set_path(usb_path_len, usb_path);
326 }
327
328 // log into file using HCI_DUMP_PACKETLOGGER format
329 char pklg_path[100];
330 if (log_file_path == NULL){
331 btstack_strcpy(pklg_path, sizeof(pklg_path), "/tmp/hci_dump");
332 if (usb_path_len){
333 btstack_strcat(pklg_path, sizeof(pklg_path), "_");
334 btstack_strcat(pklg_path, sizeof(pklg_path), usb_path_string);
335 }
336 btstack_strcat(pklg_path, sizeof(pklg_path), ".pklg");
337 log_file_path = pklg_path;
338 }
339
340 hci_dump_posix_fs_open(log_file_path, HCI_DUMP_PACKETLOGGER);
341 const hci_dump_t * hci_dump_impl = hci_dump_posix_fs_get_instance();
342 hci_dump_init(hci_dump_impl);
343 printf("Packet Log: %s\n", log_file_path);
344
345 // init HCI
346 hci_init(hci_transport_usb_instance(), NULL);
347
348 #ifdef HAVE_PORTAUDIO
349 btstack_audio_sink_set_instance(btstack_audio_portaudio_sink_get_instance());
350 btstack_audio_source_set_instance(btstack_audio_portaudio_source_get_instance());
351 #endif
352
353 // inform about BTstack state
354 hci_event_callback_registration.callback = &packet_handler;
355 hci_add_event_handler(&hci_event_callback_registration);
356
357 // register callback for CTRL-c
358 btstack_signal_register_callback(SIGINT, &trigger_shutdown);
359
360 // register known Realtek USB Controllers
361 uint16_t realtek_num_controllers = btstack_chipset_realtek_get_num_usb_controllers();
362 uint16_t i;
363 for (i=0;i<realtek_num_controllers;i++){
364 uint16_t vendor_id;
365 uint16_t product_id;
366 btstack_chipset_realtek_get_vendor_product_id(i, &vendor_id, &product_id);
367 hci_transport_usb_add_device(vendor_id, product_id);
368 }
369
370 // setup app
371 btstack_main(argc, argv);
372
373 // go
374 btstack_run_loop_execute();
375
376 return 0;
377 }
378