xref: /btstack/port/libusb/main.c (revision 6a580d1772276b965c7f6ed4aba86036f102ce2f)
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 "hal_led.h"
61 #include "hci.h"
62 #include "hci_dump.h"
63 #include "btstack_stdin.h"
64 #include "btstack_tlv_posix.h"
65 
66 #define TLV_DB_PATH_PREFIX "/tmp/btstack_"
67 #define TLV_DB_PATH_POSTFIX ".tlv"
68 static char tlv_db_path[100];
69 static const btstack_tlv_t * tlv_impl;
70 static btstack_tlv_posix_t   tlv_context;
71 static bd_addr_t             local_addr;
72 
73 int btstack_main(int argc, const char * argv[]);
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     UNUSED(channel);
79     UNUSED(size);
80     if (packet_type != HCI_EVENT_PACKET) return;
81     switch (hci_event_packet_get_type(packet)){
82         case BTSTACK_EVENT_STATE:
83             if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
84             gap_local_bd_addr(local_addr);
85             printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr));
86             strcpy(tlv_db_path, TLV_DB_PATH_PREFIX);
87             strcat(tlv_db_path, bd_addr_to_str(local_addr));
88             strcat(tlv_db_path, TLV_DB_PATH_POSTFIX);
89             tlv_impl = btstack_tlv_posix_init_instance(&tlv_context, tlv_db_path);
90             btstack_tlv_set_instance(tlv_impl, &tlv_context);
91             break;
92         default:
93             break;
94     }
95 }
96 
97 static void sigint_handler(int param){
98     UNUSED(param);
99 
100     printf("CTRL-C - SIGINT received, shutting down..\n");
101     log_info("sigint_handler: shutting down");
102 
103     // reset anyway
104     btstack_stdin_reset();
105 
106     // power down
107     hci_power_control(HCI_POWER_OFF);
108     hci_close();
109     log_info("Good bye, see you.\n");
110     exit(0);
111 }
112 
113 static int led_state = 0;
114 void hal_led_toggle(void){
115     led_state = 1 - led_state;
116     printf("LED State %u\n", led_state);
117 }
118 
119 
120 #define USB_MAX_PATH_LEN 7
121 int main(int argc, const char * argv[]){
122 
123     uint8_t usb_path[USB_MAX_PATH_LEN];
124     int usb_path_len = 0;
125     const char * usb_path_string = NULL;
126     if (argc >= 3 && strcmp(argv[1], "-u") == 0){
127         // parse command line options for "-u 11:22:33"
128         usb_path_string = argv[2];
129         printf("Specified USB Path: ");
130         while (1){
131             char * delimiter;
132             int port = strtol(usb_path_string, &delimiter, 16);
133             usb_path[usb_path_len] = port;
134             usb_path_len++;
135             printf("%02x ", port);
136             if (!delimiter) break;
137             if (*delimiter != ':' && *delimiter != '-') break;
138             usb_path_string = delimiter+1;
139         }
140         printf("\n");
141         argc -= 2;
142         memmove(&argv[1], &argv[3], (argc-1) * sizeof(char *));
143     }
144 
145 	/// GET STARTED with BTstack ///
146 	btstack_memory_init();
147     btstack_run_loop_init(btstack_run_loop_posix_get_instance());
148 
149     if (usb_path_len){
150         hci_transport_usb_set_path(usb_path_len, usb_path);
151     }
152 
153     // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
154 
155     char pklg_path[100];
156     strcpy(pklg_path, "/tmp/hci_dump");
157     if (usb_path_len){
158         strcat(pklg_path, "_");
159         strcat(pklg_path, usb_path_string);
160     }
161     strcat(pklg_path, ".pklg");
162     printf("Packet Log: %s\n", pklg_path);
163     hci_dump_open(pklg_path, HCI_DUMP_PACKETLOGGER);
164 
165     // init HCI
166 	hci_init(hci_transport_usb_instance(), NULL);
167 
168 #ifdef ENABLE_CLASSIC
169     hci_set_link_key_db(btstack_link_key_db_fs_instance());
170 #endif
171 
172     // inform about BTstack state
173     hci_event_callback_registration.callback = &packet_handler;
174     hci_add_event_handler(&hci_event_callback_registration);
175 
176     // handle CTRL-c
177     signal(SIGINT, sigint_handler);
178 
179     // setup app
180     btstack_main(argc, argv);
181 
182     // go
183     btstack_run_loop_execute();
184 
185     return 0;
186 }
187