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_transport_h4.h"
63 #include "hci_transport_usb.h"
64 #include "hci_dump.h"
65 #include "hci_dump_posix_fs.h"
66 #include "btstack_stdin.h"
67 #include "btstack_tlv.h"
68 #include "btstack_tlv_posix.h"
69 #include "btstack_uart.h"
70
71 int is_bcm;
72
73 #define TLV_DB_PATH_PREFIX "/tmp/btstack_"
74 #define TLV_DB_PATH_POSTFIX ".tlv"
75 static char tlv_db_path[100];
76 static const btstack_tlv_t * tlv_impl;
77 static btstack_tlv_posix_t tlv_context;
78 static bd_addr_t local_addr;
79
80 int btstack_main(int argc, const char * argv[]);
81 static void local_version_information_handler(uint8_t * packet);
82
83 static hci_transport_config_uart_t config = {
84 HCI_TRANSPORT_CONFIG_UART,
85 115200,
86 0, // main baudrate
87 0, // flow control
88 NULL,
89 };
90
91 static btstack_packet_callback_registration_t hci_event_callback_registration;
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 UNUSED(channel);
95 UNUSED(size);
96
97 if (packet_type != HCI_EVENT_PACKET) return;
98
99 switch (hci_event_packet_get_type(packet)){
100 case BTSTACK_EVENT_STATE:
101 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
102 gap_local_bd_addr(local_addr);
103 printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr));
104 btstack_strcpy(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_PREFIX);
105 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), bd_addr_to_str(local_addr));
106 btstack_strcat(tlv_db_path, sizeof(tlv_db_path), TLV_DB_PATH_POSTFIX);
107 tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
108 btstack_tlv_set_instance(tlv_impl, &tlv_context);
109 break;
110 case HCI_EVENT_COMMAND_COMPLETE:
111 if (hci_event_command_complete_get_command_opcode(packet) == HCI_OPCODE_HCI_READ_LOCAL_VERSION_INFORMATION){
112 local_version_information_handler(packet);
113 }
114 break;
115 default:
116 break;
117 }
118 }
119
sigint_handler(int param)120 static void sigint_handler(int param){
121 UNUSED(param);
122
123 printf("CTRL-C - SIGINT received, shutting down..\n");
124 log_info("sigint_handler: shutting down");
125
126 // reset anyway
127 btstack_stdin_reset();
128
129 // power down
130 hci_power_control(HCI_POWER_OFF);
131 hci_close();
132 log_info("Good bye, see you.\n");
133 exit(0);
134 }
135
local_version_information_handler(uint8_t * packet)136 static void local_version_information_handler(uint8_t * packet){
137 printf("Local version information:\n");
138 uint16_t hci_version = packet[6];
139 uint16_t hci_revision = little_endian_read_16(packet, 7);
140 uint16_t lmp_version = packet[9];
141 uint16_t manufacturer = little_endian_read_16(packet, 10);
142 uint16_t lmp_subversion = little_endian_read_16(packet, 12);
143 printf("- HCI Version 0x%04x\n", hci_version);
144 printf("- HCI Revision 0x%04x\n", hci_revision);
145 printf("- LMP Version 0x%04x\n", lmp_version);
146 printf("- LMP Subversion 0x%04x\n", lmp_subversion);
147 printf("- Manufacturer 0x%04x\n", manufacturer);
148 }
149
150 #define USB_MAX_PATH_LEN 7
main(int argc,const char * argv[])151 int main(int argc, const char * argv[]){
152
153 /// GET STARTED with BTstack ///
154 btstack_memory_init();
155 btstack_run_loop_init(btstack_run_loop_posix_get_instance());
156
157 char log_path[100];
158 strcpy(log_path, "/tmp/hci_dump");
159
160 // check for -d pty path
161 if (argc >= 3 && strcmp(argv[1], "-d") == 0){
162 config.device_name = argv[2];
163 argc -= 2;
164 memmove(&argv[0], &argv[2], argc * sizeof(char *));
165
166 printf("Specified PTY: %s\n", config.device_name);
167
168 // base logger output file on device_name
169 const char * src = config.device_name;
170 char * dst = &log_path[strlen(log_path)];
171 while (*src){
172 if (*src == '/'){
173 *dst++ = '_';
174 } else {
175 *dst++ = *src;
176 }
177 src++;
178 }
179 *dst = 0;
180 }
181
182 // check for -u usb path
183 uint8_t usb_path[USB_MAX_PATH_LEN];
184 int usb_path_len = 0;
185 if (argc >= 3 && strcmp(argv[1], "-u") == 0){
186 // parse command line options for "-u 11:22:33"
187 const char * port_str = argv[2];
188 printf("Specified USB Path: ");
189 while (1){
190 char * delimiter;
191 int port = strtol(port_str, &delimiter, 16);
192 usb_path[usb_path_len] = port;
193 usb_path_len++;
194 printf("%02x ", port);
195 if (!delimiter) break;
196 if (*delimiter != ':' && *delimiter != '-') break;
197 port_str = delimiter+1;
198 }
199 printf("\n");
200 argc -= 2;
201 memmove(&argv[0], &argv[2], argc * sizeof(char *));
202
203 // base logger output file on usb path
204 if (usb_path_len){
205 strcat(log_path, "_");
206 strcat(log_path, argv[2]);
207 }
208 }
209
210 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
211 strcat(log_path, ".pklg");
212 // log into file using HCI_DUMP_PACKETLOGGER format
213 hci_dump_posix_fs_open(log_path, HCI_DUMP_PACKETLOGGER);
214 hci_dump_init(hci_dump_posix_fs_get_instance());
215 printf("Packet Log: %s\n", log_path);
216
217 // init HCI
218 const hci_transport_t * transport;
219 if (config.device_name){
220 // PTY
221 const btstack_uart_t * uart_driver = btstack_uart_posix_instance();
222 transport = hci_transport_h4_instance_for_uart(uart_driver);
223 } else {
224 // libusb
225 if (usb_path_len){
226 hci_transport_usb_set_path(usb_path_len, usb_path);
227 }
228 transport = hci_transport_usb_instance();
229 }
230 hci_init(transport, (void*) &config);
231
232 // inform about BTstack state
233 hci_event_callback_registration.callback = &packet_handler;
234 hci_add_event_handler(&hci_event_callback_registration);
235
236 // handle CTRL-c
237 signal(SIGINT, sigint_handler);
238
239 // setup app
240 btstack_main(argc, argv);
241
242 // go
243 btstack_run_loop_execute();
244
245 return 0;
246 }
247