xref: /btstack/example/gap_dedicated_bonding.c (revision ced70f9bfeafe291ec597a3a9cc862e39e0da3ce)
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__ "gap_dedicated_bonding.c"
39 
40 #include <stdint.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 
45 #include "btstack.h"
46 
47 static const char * device_addr_string = "00:1A:7D:DA:71:03";
48 static bd_addr_t device_addr;
49 
50 static const int mitm_protection_required = 0;
51 
52 static btstack_packet_callback_registration_t hci_event_callback_registration;
53 
54 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
55     UNUSED(channel);
56     UNUSED(size);
57 
58     if (packet_type != HCI_EVENT_PACKET) return;
59 
60     switch (hci_event_packet_get_type(packet)) {
61         case BTSTACK_EVENT_STATE:
62             // BTstack activated, get started
63             if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){
64                 printf("GAP Dedicated Bonding to %s\n", bd_addr_to_str(device_addr));
65                 gap_dedicated_bonding(device_addr, mitm_protection_required);
66             }
67             break;
68         case GAP_EVENT_DEDICATED_BONDING_COMPLETED:
69             printf("GAP Dedicated Bonding Complete, status 0x%02x\n", packet[2]);
70             break;
71         default:
72             break;
73     }
74 }
75 
76 int btstack_main(int argc, const char * argv[]);
77 int btstack_main(int argc, const char * argv[]){
78     (void)argc;
79     (void)argv;
80 
81     hci_event_callback_registration.callback = &packet_handler;
82     hci_add_event_handler(&hci_event_callback_registration);
83 
84     l2cap_init();
85 
86 #ifdef ENABLE_BLE
87     // Initialize LE Security Manager. Needed for cross-transport key derivation
88     sm_init();
89 #endif
90 
91     // parse human readable device address
92     sscanf_bd_addr(device_addr_string, device_addr);
93 
94     // turn on!
95     hci_power_control(HCI_POWER_ON);
96 
97     return 0;
98 }
99